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MP00497

December 1977

171 pages

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Document:	DW780 Field Maintenance Print Set
Order Number:	MP00497
Revision:	000
Pages:	171
Original Filename:

OCR Text

“THE MATERIAL HEREIN IS FOR INFORMATION PURPOSES ONLY
AND IS SUBJECT TO CHANGE WITHOUT NOTICE. DIGITAL EQUIPMENT

CORPORATION ASSUMES NO RESPONSIBILITY FOR ANY ERRORS
WHICH MAY APPEAR HEREIN."”

FIELD MAINTENANCE PRINT SET

“THIS DRAWING AND SPECIFICATIONS, HEREIN, ARE THE PROPERTY OF DIGITAL EQUIPMENT CORPORATION
AND SHALL NOT BE REPRODUCED OR COPIED OR USED IN WHOLE OR IN PART AS THE BASIS FOR THE MANUFACTURE OR SALE OF ITEMS WITHOUT WRITTEN PERMISSION. COPYRIGHT ©
19‘77 . DIGITAL EQUIPMENT
CORPORATION.”

TABLE OF CONTENTS
B-TC-DW784~@g-1
B-DD-DW788-¢
E=-UA-DW78@~-g-g
A-PL-DW78g-g-@
D-MU-DW78¢-@-2
D-BD-DW78g8-@-3
D-TD-DW788~-@-4
D=-FD-DW78g8~-@#-5

U.B.A.

BLOCK DIAGRAM

U.B.A.

TIMING DIAGRAM

U.B.A.

MICRO

11780

D~-IA-7013626-g-g
E-MD-5012979-0-0

BACKPLANE ASSY

D-CS-M827g4~F~ |
E-UA-M8271-g~-¢

BOARD,

USI
USI

UCB
UCB
UMD

B-PL-M8272-@-#
D-CS-M8272-F—}

UMD
UMD

D-CS-M8273-¢-|

D=-UA-M9Z4 2=F—~9

B-PL-M9@42-g~4
D=CS-MO@42~¢ -1

D=-UA-M9g@44 ~F -0
B=PL=M9@44 ~F~@#

(DwW78¢)
(Dw78¢)

SYSTEM DIAGRAM

DN78d-AA

Print Set

UAI
UATI
UAI

UPC
UPC
UPC

Digital Equipment

UBT
UBT

Corporation
TERMINATOR

TO H854 ADATPOR BOARD

UNIBUS
UNIBUS

TO H854 ADAPTOR BOARD
TO H854 ADAPTOR BOARD

D-TA-1700087-00
C-1A-7013622-0-0
D-1A-7014213-0K

COAX, RIBBON CABLE
CABLE, UNIBUS (BCO5L)
CABLE, OVER TEMP,

S1°|
w|
A
S =%

DRB 124

UBT

USED ON OPTION/MODEL | PF8-

DATE

11780

BOUDREAU

|SEPT 77

CHK'D

DATE

HEALY

NOV_ 77

DENNIS

PRO,. ENG.

—~—

(ol
T

ORDER NO.

CABLE, AC,DC LO

r—
iV i

SET

MP@@d497

' o}

r j
2|2 |- L
olg|

DW7 8¢

Field Maintenance

UNIBUS

PRINT SET

Dw78d

|DW78¢-AR

UNIBUS

E,'

UNIT VARIATIONS

COVERED BY THIS

ETCH

D=CS-M9F44 ~¢ - |
D-CS-M93@2-p~1
D-UA-M9414-@-&
B-PL-M9g#14 -F-¢
D-CS-M9414~-g~1

D-IA-7014212-OM

(PL)

(U.B.A.)

DRILL AND

USI
UCB

B-PL-M8271-@4-¢&
D-CS-M8271~-¢-}
D-UA-M8272~-gF~-¢

E-UA-M8273~-@-9
B=-PL-M8273~-F-&4

SUB

(TC)

FLOWS

D=-IC-11780-0-3

E-UA-M8274-@-&
B-PL-M8274-@-@

(LZE)SLON-9L $ZLLO'NI

11780 UNIBUS ADAPTOR ASSY
11780 UNIBUS ADAPTOR ASSY
11780 UNIBUS ADAPTOR ASSY
11780 UNIBUS ADAPTOR ASSY
MODULE UTILIZATION U.B.A.

SHEET I OF

_1_

FIELD SERV.
»
i

B[' gli

TITLE:

11780 UNIBUS ADAPTOR ASSY

(DW780)

DATE

f(l//,,;.;,.uunp,

=71

DATE
15 2
e 1-

~'7

size

B
DIST.

CODE

NUMBER

DW780-0-1

)

“;7?31/

“THE MATERIAL HEREIN IS FOR INFORMA
TION PURPOSES ONLY
AND 1S SUBJECT TO CHANGE WITHOUT NOTICE.
DIGITAL EQUIPMENT

CORPORATION ASSUMES NO RESPONSIBILITY FOR

WHICH MAY APPEAR HEREIN.”

ANY ERRORS

“"THIS DRAWING AND SPECIFICATIONS, HEREIN, AR €
THE PROPERTY OF DIGITAL EQUIPM
ENT CORPORATION
AND SHALL NOT BE REPRODUCED OR COPIED
OR USED IN WHOLE OR IN PART AS THE BASIS
FOR THE MANUFACTURE OR SALE OF ITEMS WITHOUT WRITTEN PERMI
SSION. COPYRIGHT
© 1 977
DIGITAL EQUIPMENT CORPORATION.

DRAWING DIRECTQRY

UNIT VARIATIONS

DW784

11780 UNIBUS ADAPTOR

DW788-AA

DW78¢4 + H7108-A POWER SUPPLY
H7161 REG. 115V AC 50/60 HZ

DW780-AB

U |

DRN.

DATE

USED ON OPTION/MODEL
|

11780

BOUDREAU
,

CHK'D.

9T]

AR S ofgo‘S
zl CI=212
a)la %

SIl
';-\ ;P

HEALY

1 ofF

PROD. ;

DCT

d[l glijtia|l

77
11780

DATE

PROJ. ENG.

SHEET

TITLE
TT.

NSNS

DRB 106A

| DW78@-AA EXCEPT H7186-B POWER SUPPL
Y
239V AC 50/60 HZ

rTRA

%a ! F e

NOV

DATE

ADAPTOR

(DW789)

ASSY

JS2'«

DATE

UNIBUS

[SIZE |CODE

|DD

NUMBER

DW786-0

"/'7/771051
W

REV

D-P8LMA

‘A3Y

HIGWNN

“THIS DRAWING AND SPECIFICATIONS, HEREIN, ARE

30020 | 3218

THE PROPERTY OF DIGITAL EQUIPMENT CORPORATION
AND SHALL NOT BE REPRODUCED OR COPIED OR USED

IN WHOLE OR IN PART AS THE BASIS FOR THE MANUFACTURE OR SALE OF ITEMS WITHOUT WRITTEN PERMISSION.

1)
/

11780 UNIBUS
ADAPTOR ASSY(DW78¢)

(é)

E -AD-7013626-0-0

B~DD-M9g44
~-g

U.B.T.

U.C.B.

B-DD-M8271-¢

U.M.D.

B-DD-M8272-¢

@
]

|
U.p.C.

B-DD-M9@4
2-d

BLANK MODULE

ASSY

D-IA-7014249-0-0

TITLE

11780 UNIBUS ADAPTOR ASSY (DW784)
DRB 107

B-DD-M827¢-@

B-DD-H718@-0

U.S.I.

(H71089)

(o)
i

i U.A.TI.

POWER SUPPLY

= ———
e

{UBA)

E-UA-DW78@0~-@-0

A-PL-DW78@-g-¢&

[

| BACKPLANE ASSY

’

e- iy
o
.

E-IA-7013712~0-0

(E;
SR

(?
i CARD CAGE (UBA)

SIZECODE

SHEET 2 OF 3 BPD

NUMBER

DW780-@

REV

o‘

DRAWING NO.

DESCRIPTION

fr
1

| MP@@497
B-TC-DW78@-F-1

E-UA-DW784-@-@4

11780 UNIBUS ADAPTOR ASSY (DW78#)

A-WT-7013626-0

11780 UNIBUS ADAPTOR ASSY

B-MD=7418903-0-=0
B=MD-7419084~-0-0

"U" BAR
PLATE, HOLDING

M
M || 4 | B-DD-H71gp9-¢

B-MD-7419485-0-0

COVER,

(PL)

BUS BAR

D=1C-=11780-0-1

11780 SYSTEM POWER DIAGRAM

E/M

11780 SYSTEM INTERCONNECT DIAGRAM
11780 SUB SYSTEM INTERCONNECT

E/
E/M

D-MU-DW78@~@~2

DW784 MODULE UTILIZATION

D-IA-7014530-0-0

D-IA-7014212-0-0

(UBA)

E || 5 | B-DD-M8278-8

POWER

(BLACK)

CABLE,

POWER

(RED)

E/M

CABLE,

AC,

DC IO

E/M

D-1A-1700087-00

CABLE,

COAX

RIBBON

E/Mi|

C-1A-7013622-0-0

CABLE,

UNIBUS

| E=IA=7013712-0-0

E/M

COVER, U.B.A. BACKPLANE

CABLE, OVER

CARD CAGE

(BCO5L)

TEMP

BRACKET BOTTOM REAR

M||

B=MD=7417963-0-0

BRACKET CARD GUIDE

U.C.B.

E/M

B-DD-M8272-0

U.M.D,

B-DD-M8273~-0

U.A.I.

E/M

B-DD-M9g44 -4

U.B.T.

E/M

10|

B-DD-M9g42-¢

U.P.C.

E/M

{11,

D-IA-7014103-0-0

BLANK MODULE ASSY
BLANK MODULE

BRACKET BOTTOM CARD GUIDE

BRACKET TOP CARD GUIDE
HANDLE

M
M
M

C=MD=-7418194-0~0

STIFFENER

C-MD-7418181-0-0

STIFFENER,

BRACKET TOP REAR

CORNER

BAR,

D-PS-1214348-0-0

BUS BAR

. B=MD-7419254-0-0

REWORK,

C~MD-7411399~0~0

STRIP,

A-DC~7411881-0-0

DECAL AWT REV_.

K-WL-7013626-0-1

WIRE LIST

B=-MD-7417973-0=0
E

ELECTRICAL

b ML
en

DRB 108A

(UBA)

E/M

DRILL AND ETCH

MOUNTING

CONN.

E/M

B-DD-M8271-¢

C-MD~7417967-0-0

C-MD-7417866-0~0

U.S.I.

C-MD-7417964-0-=0
C=-MD=7417942-0-0

BACKPLANE ASSY

E/M

C=MD-7417966-0-0

BOARD,

POWER SUPPLY (H71d@)

E/M

({UBA)

E-MD-5012979-0-0

E/M

MOUNTING BAR VERTICAL

| E=IA=-7013626-~0-0

STATUS

C=MD~-7417930-0-0

C-MD-7417965-0-0

AWT REV.

E/M

D-IC~11780-0=2
D-IC-11780-0-3

CABLE,

DESCRIPTION

E/M

PLATE STUD

D-IA-7014213-0K

TYPE:

(Dw78¢)

(Mp).
(TC)

DRAWINGNO.

B=MD-7418902~0-0

C-MD-7419457-0-0

(DW788)
(DW78f¢)

A-PL-DW78@-@-@

D-IA-7014249-0-0

11780 UNIBUS ADAPTOR ASSY
11780 UNIBUS ADAPTOR ASSY

BLOCK

FIBERGLASS

BLOCK, SPACER

E-MD-7418172-0-0

STATUS

(uBa)

E
T

dlilglilt]a]t]

I?TEEO

1 780 wreus

ADAPTOR

ASSY

(DW780)

sueet 3 o

SIZE |CODE

3B (DD

%";‘g?g

REV

:
T

ou prcinen, snem o

e
Re 7

e s

aranr

)

1
o
r7sg UN(BUS

[ o~ .
NOTES: (
:
4 | CARD
GUIDES
TO BE INSTALLED AS
FOLLOWS
I ITEM %16 I[N ROWS

LEGEN

[ NOWBER
oW

Werogm

)

25
24

16)

I7}

YlaTYe

\{ J {_]

" OR}REF

395N

BOOIN_ .

——} B /

—————

SEE NOTE §

(SHEET 1)

1230 VAC SO0 HE}TM opg g-1c- 11180-0-2

|4 FOR SYSTEM CABLE

432p

"L:

FOR

DW78G

INTERCONNECT

MODULE

UTILIZATION

SEE 0-MU- DWTB0-0-4

T FOR PLACEMENT OF DECAL #3(M148-00

ff:e ;o CABINEY COWFIGURATION GUIDE

‘

ST REr |
2

REF

‘

20 (@Tv4)

B
2

SEE NOTE 3

ZAN

(SHEET 1)

J7@rv 2
SEE NOTE 3

?"?} "

Ptatre) \ 15

]

SEENOTE §

Lr‘qy’ Ag

18 arv 2)

fi(gu??:x!) '

foneeT 1

IT(QTY6)

—lrz

‘ C "‘jf
i

|
13 RerF

SECTION A-A
SCALE:
I/

OFOWER NORMAL

SEE SHEET 3

o)+

]

: HH povinsond]

OPLVG IN REQ FAIL

v mu LD

Bo,gfzrgwip_ POWER

—

IS REF

QOVERCURRENT

4 ?

SRE

fifi

‘44

o P

I
(ary 2)

}""'

13— .

33,308 4, SEE NOTE & (SHEET 1)

zq}

e /

le(aTye)

SEE NOTE

‘s

IEE&LL'?],’.%?: :E’FER TO:

{SHEET 3)

’-’

6. FOR ORIENTATION OF POWER suPPLY ¢

)

SEE DIC-11780-0-|

sEm D-1c- 11180-0- 3

[

9 SEENOTES

.03

REF

e o oot ug

‘

}8 REE

__? 7

IS VAL SO/60 HE 13 o SYSTEM INTERCONNECT.

)

ss7:2rm

oNLYY"

L3885 ITEM®ITINROWS 248 6.

W BEAS -D“fi‘,’gg_'g* EXCEPT|~

8O HTE-A P51 5 DR SYSTEM AL INTERLONNECT

DWBd AA
23

{PERTAINS-TO SHEET®

.
.

A
B{Qrre)

120V

ADAP

20 (aty
@)

B
<

SEE NOTES 2,3 %4 (SHEET 1}

VIEW C-C

SCALE

;

CAUTION: PARTS LIST. EXI1ST .
REFER TQ' K-PL: DW780-0-0BP .

_|°
[f
‘B

CLIAART
W,

[TEN WO 'i

v E-T:"{:-f{—;fiv ¥ -:"“'?

—C0] xi0e | esf

P DT

§ ase | wam | ate

s | e | oam

'_‘9-."

11780 ONIBUS

ADAPTOR

ASSY

e 1A} owrserd-c|
B

]

{

NOTES: (PERTANG T6

<neEET 2 ONLY )

L INGTALL JUNPER PLUGS AS PER TABLES
1,23
. INSTALL REMAINING JUMPER
PLUGS ON ANY OF THE FOLULOWING

PINS W3 THROUGH Wi,

2. STANDARD CONFIGURATION \& TR*
3

(TARLE |) ADAPTOR*
O TABLE 2)
REQUEST LEVEL 4 (TARLE 3)

ET 2D

z NOTE « (SRE
e
s
/
333!!;;z;;;§§

BUZ BAR CONNELTIONG

W=ty

\\\
‘/
|
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§1 J7

C...I

§i

f IL

ML RN

J2z2

1-9

1-4

J23

1-¢

Vs Nl

NG|~
N d W]~

NIL RIS &

;

tigr

W0y

N5 53 4

BUS TRL

DAIRZ

BUS SBI TRe L

—

ADAPTOR ®

FJ1C1

TA BAL

; ‘)‘z ?ogz‘ovf 'O;,k’

ot r—':l ' c,“ i OIO

pa—

F3101

F3iEL

FPLF2

{11

FPIH2

JBA JUMPER SE_ECTION
I=JUMPER PLublN

Fg1J1

(SIGINAL LOW TRUE
TABLE 2 (SEE NCTES 142, SHEET 2)

FA1d2
FI1M1

FJIN1
F31P1

LT | 1j—~—

i
—i1

SIGNAL NAME

WIRE WRAPPLD
TR ARBITRATION SIGNAL

FRiP2
F&182

Fa172
F@1u1

OBIR2

—

Fow2

TABRLE 3/ITENOTET 132 S=[ET2)

UBA INTERPRUPT {EVEL SEL=ZTi0M
L

SHE

JBA JUMPER SILEZTON
I = :UMPER -PLUG IN

el
g1 x

{SiGNAL LOW TRUE)

<is!ls
Z
s121Z
—_
—
%]

k?.::""

SHEET 2 )

LI
IR

L[ Eusic
1R seeo L

I
;

[ usic
TR seLe L

(SFE MNOTLS 182

162 S4EET ¢

~| | {Z|usio ADAPTOR ¢ L

TABLE |

T P INT

NQTES

SPACE SELECTITN

UBA TR ARBITRATION LEVEL SELECTICN

Y O g ot

USID ADAPTOR { L

I
e
I
I

» (SIE

UBA UNIBUS ADDRESS

o ) [)=l T [ B 0sIC TR SELBL

itl

*| SIGNAL NAME

die -

=] =] =] 1 [ B]ustc TR seL AL

'[l

515

—
MATE-N-LOK CONNECTIONS

=7y HE!
oaxo

HEIE
L8|

ale

HHHEE
w

[W8

—_

—

)

—11

UBA LJMWPER SSELECTION
I= JUMPER PLUXEIN

{SE&NAL LOW TRUE)

CONN.

|W7

REWEST LT/TL

Incinc ] |

413

|NC]

Ji4

|Nc

= NO CONNECTION
NC
SLALE

SHOWN 4 TH MTG. HARDWARE
2 ITTEM N0O. 33 REeMOVED:

L__AP
R ASSY
tilec)ifEa Ow7¢3-2-8
L

Fav4-To)

GIJL

s ] [ 1 1

L2
m

-9

Jiv

—

1-9

Ji18

===

GND
J2g -9
Jatr

1-9

/ 2 ReF

+5v
Jie -9
JiT

1.1

NOTES!
I ALTHOUGH THESE VIEWS ARE BEING
UKD 43 4
BAIS
SHOWTNG

NETT OF

TIoN AMD

P42 UNIBUS FAODLE CARD

OwI8g-4
MIPIZ UNIBUS PRODLE CARD

>~
i
3

'":,E"
i

|
'
‘

fj&' DAz 8

HTO0

:fififi’}” I

—-

PADDLE CARD USED, THE CABLE ROUTING

WSP42
- T3 |EXP 1/O CONN- T4

AND FOLDS FOLLOW THE SAME GENERIC

[}

]

w842 -T1 lExP Ho Comv -T5

METHOOS USED FOR THE ITANODA®D

OW?78P. SEE (E-uA-1/780-0-0).
3 NORPMALLY THE
/0 PANEL (CAB- c'Ad
Swrd (74,75
4 JG)ARE ASSIGNED
TO

BuS(TAPE) In THE mafi-o SYSTEM.

m me /ncp—c SYSTEM, THESE
SLOTS ARE

AVATLABLE FOR USA (bvm)zxmav

G FVE,

2. WITH THE EXCEPTION OF THE TYPE OF

! // Co

l—"i.
—-==

rxf-wwa? —

FROM

——— -

ioH

[

fFrom====="87';“

OPTIONG. D04

11780

'w’fnflo’;|
§32

1-82v
26N

!
!

[_4“5

3-52v

{
]

OPTIONAL Owag-+4
11788-¢

—=
1-2.2¥

raw
H

3y
s oc ¢0

rgwfl socee

136
S 4C (0

i
!

e IO CONN FANEL

11780-C TABINET
REAR VIEW

ITEM 3%

. rvd

SEE NOTES 1 ¢ 2

Ogrd)

@rr 5’

Trem

»5 I5Y
P4

1r708-¢
oPTTONAL
w188

M MS§ez-J2Z
TO se3942
- T

ow7ag-A

- T
T0 M3442

i
7]
CAD Y ITEM 44

r3ts

UNIBUS
OPTIONAL
———

BUS JAPE)
MASI
STANDARD

meo STeIPE

TYP FOR 11739C

(EE MOTES 1,243)

MULTIPLE UBA

CONFIGURATIONS

OETAIL 8

VIEWED FROM INSIDE
OF CABINET

(see NOTES 1 43)

IEI DW780-0-9
1 1
'

EAYE

1 1

080803

SEEOF"a:

DESCRTIPTION

[PV 3622-00 {CABLE, RIBBON LNIBUS [MID4Z
- T2 IEXP 1/0 CONN
-~ To

/—DW760

11780-C

PHRT NO

AUTOMATEDR

LINE

3
ITEM

FRTLST.3P(44)

DOCUMENT

FARTS

NUMRER

FART

NUMEER

DESCRIFPTION

AR
1

E~-IA-7013712-0-0

701371200

CARD

MBA/URA

E-IA-7013626-0-0

7013626-00

EACKFLANE

ASSY

(URA)

E-UA-H?100-0~0

H7100-A

11780

WATT

SUPFLY!

10041

4
S

E-UA-H7100~0-0

H7100-R

100A»2

D-UA-MB270~0-0

MB270-00

11780 SO00~WATT SUPPLY?!
YSI SKRI INTERFACE

1
1

E-UA-MB271-0-0

MB271-00

YMD

D-UA-MB272-0-0

MB272--00

UNIRUS ADAPTER ADDRESS

E-UA-MB273-0-0

M8273-00

UNIBUS

D-UA-MP042~0~0

N-IA~-7014103~0-0

7014103-00

n—un_n9044wp~o

S00

UNILUS

ELANK

R-MD-7418902~0-0

741890200

STUD

B-MD-7418903-0-0

7418903-00

U-HAR

E-MD-7419485-0~0

7419485-00

COVERy»

741908400

PLATE

CAKRD

ASSY

BUS

KAR

PLLATEs HOLDING

121240500

AUDAFTER

CARD GUIDE»NYLON

MEMORY

CARD

GUIDESNYLON

P0046610-00

CARD

GUIDF

NUT s CAK

10-32 X7/7146AF REL

P006565~00

NUT»KEP

10-32X

P00B032-01

SCREWYFANSFHIL

PO0HL55-00

WASHERy

004604301

SCREWSFANYPHIL

)

P006660-00

WASHERY

FLATs

P006563-00

NUTyREP

QOO7906~-00

WASHERy

LOCK 5.8,

29
30

264

;

Y006073-01

3795

0,00

8-32

SCREWsPANSFHIL 10-32X

D-10-11780~0~2

11780

SYSTEM

INTERCONNECT

11760

svSTEM

FOWER

ECO

NUMRBEFR

IREV

w780

ISECTION

I {114 ~ X

DARAKJIAN

VSECTION.,

tDW780~-TWOUS

]

{

]

;

)

IREGFWENG.!

d e

;
'

!
I

]

}

!
!

n
i

'
!

I
;

INDEX!CHK DG

00yAAsAR

Hs,

e e e et e e

DNARAKJIAN

et e e e e

INES.ENG.d
be

LC]

Dy
eo

KAINVILLE

Ils

RAINVILLE

et e e e et e
FE.

e ot

REF

KEF

REF

IDATE?!

24~-JUN-81

CARLEY

PTASSEMBLY NUMBERS
E-UA-DIW780-0-0

BUTEUNONY DEIUINEIUE DIV

ITITLE

INATE:

24--JUN-81

(C)

1981,

TET

DUPENIE DUGHE DUDNIS DUVSU DU

FARTS

LIST

11780

UNBRS

ADPT

ASSY

(DW780)

}

INATES

24-JUN-81

;

e
e e e b e et

IDATES

|
IDATES

24-=JUN-81

e
24-JUN-81

NMOCUMENT

!
'

| STZE Y CODE !
K

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*THIS DKRAWING ANII SPECIFICATIONS HEKEINy ARE THE FROFERTY OF DIGITAL EQUIFMENT CORFORATION AND SHALL NOT
OR COFIED OR USED IN WHOLE OR IN FART AS THE BASIS FOR THE MANUFACTURE OR SALE OF TITEMS WITHOUT WRITTEN

COFYRIGHT

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INITIAL

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125
59

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11780

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RBUS

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1211630-00

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UNIRUS

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DAYA

MP042-00

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FER

SHEET

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3613281-03

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34
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PLUG

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[

SMALL NOT 8 ABFRCOUCED OR COPYMD OR USED IN 'WHOLE

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REQ

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MSK

BR
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REG
P

REV
S8I

_MASK

xcv

<31:09>

[@— 3US 8R IN <7.9» (8us ouT)

XCVR

f—®

xcv

8US

OUT

<7:9>

(BUS

IN)
D

UNIBUS

DATA

‘;‘: i ::GSK<;?;§>

TRANSCEL VERS

SBI ID <9:9>

S8I TR <I5: 08>

REC

S8 UNJAM

ICN,.-Gfl lDCR ]

SBI REQ <3:d>
SBI DEAD

SBI

SBr INTERLOCK

s8r oeAp,

8 <3i: 02>

BUS

REC

[Umib #ECv B <3138

]

BUS T <3/:aD>

)

weLTe

RCy

REC

OATA

Lfl:'rCh'

WDE;_,{;’:

FTE

UMD 1D <31

B80S

_AD </ 503>

UNIBUS

MSSBK

‘

)

A
B

BUS

2Er0

I—;fi—_]
ER

[FUBHR ]

—

Bus IN

SVR'S
;

8us our
-1

DP RAM

SHEETERS

[

Fe——m MSyN

UNIBUS

r@——» SSYN

ARBLINATION
4 BUS
88sYINTR IN (BUS OUT)
MASTER ——————

I’./

———— BUS INTR OUT (BUS IN)

UNZIBUS

r———— BUS NPR IN (BuS OuUT)

INTERRUPT

ADDRESS

—_—

[ 4

CONTROL

MSk=s8

UNIBUS C</:@)

M9pga

UNIBUS

BRRVR'S

8DpP
[

SBI

)

akid

DIRECT DR7R PATH

ADDRESS MAP

’

XCVR

PDDRESS \wvrau.s n</7:oo'>>

FRANCEIVERS

[‘”’”wsi

HoL

4
N

b, ‘;’;’,fif;’oi

AND

ADDRESS
7

FUNCTION
i

STORE

DECODE

N Evcosen

]

08>

ADORESS

BDORE

URI_RECV 1B

[“ggg“

DATA -

RESPONCE

T MASK

2N\

> e

READ

‘

CONTROL

UNIBYUS

";07?::g s

SUMMARY

UNJAM

BUS D our

INTERRUPT

)

STORE

S8I

RCv

UNIBUS

N RCv

FRCE

! ’

IB <3/:307 X

|INTER-

SBI

RECV D 15:PPD>————te

|——
m ByS

NPG

|e@———

ByS

SACK

———8

BUS

CONTROL

OUT (BUS OUT)
IN

OUT

(BUS

(8US

""7

Fal

OUT)

§co

OUT)

B
‘
/—DPfiDD

<5:2>»
BUS

- 807 NO. N

]

SBI

—

<3:0>

LoGre

—

FUNC

MASK

STORED

STATE

MICRO

CONTROL

_—

LoGIC

BUS REQ MSH, AND BUS MSK S8

ocuanceno

INFORMRTION IS

U
B

ATT

SEL

| MIP%%
mope | INSERTED

BuS N NPG

INTO

|
|

DMA

ATT

SEL

oF
UBA

|
Py

MAP

OPERATION
DECODE

TRI STATE-TIME

MULTIPLEXED

ENABLED

FRom:

VAL

BOARD

FOR

BUS

REQ

RADDRESS

RANGE

vBA poweR FAIL

UCB

BOARD

FOR

BUS MSK

SB,

POwER SupPLY AcLo, belo

[

BUS SACK
—

<7:4>

(GROUND)

o3 T[]
=7

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sk,

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OF 3

ost. {

DIAGRAM

UBA

B-DD-DwW71B@-

SHEET

UNTBYS AL

UNTBUS 8US INIT

;

[e—— Bus OclLo
|
BUS INIT

CHRD
T we

AND FROM yMD OR UAI WHEN REQUIRED FOR 8US IS.

o
5

BUSSES
MASK,

;

OuUT (BUS IN)

AND INITALIZATION LOGIC

[rev.

ARE

AT T3~T7p INFORMATION IS ENABLED FROM THE USI 8OARD (SPArsS)

AT T1 -T2

jlox]

BUS NPR

UNIZNHUS

ME277

BUS IB,

UNIBUS

[

S8L DEAD, UNJAM
NOTE:

_ BUS
SEL

IN)

8o,

‘

.
S8

(8US

Bus NPG IN {BUS IN)
BuS NPR OUuT(BUS IN)

FUNC <3!S

ves

SACK
SAC

724>

8UYS

COUNTER

MAS K
ENCODE

ao”

MASK
S8z

BLOCK

NUMBER

REV.

DW780-@8-3

[

“NS DRAWIME AND SPECFICATIONS,
HEREIN, ARE
PROPERTY

ODWGITAL

EQUISSAENT

TION

| [

[€-9.28ZM0Hq] 2]

AND

SHALL NOT 88 REPRODUCED OR OOPHED OR USED IN WAHOLE
OR IN PART AS THE BASIS FOR THE MANUFACTURE OR SALE

OF TEMS
COPYRIGHT

WRITTEN PERMISSIOM.
13 77 DIGITAL EQUIPMENT CORPORATION®

3¢
UBA CONFIGURATION REGISTER

(UBA

CNFGR)

| lele]

| [e[e[2] [ [

]

SBI PARITY £ FAULT

S8 WRITE SEQ FAULT

UNEXPECTED RERD DATA FAULT
TRANSMITTER

UNIBUS

TRANSMIT FAULT
RDRPTER

—

UNIBUS INITIALIZATION COMPLETE

FAULT —

POWER

AORPTER

DOWN

POWER

POWER DOWN

FRILED MAP REG

y
UBA @

UNI8US INIT RSSERTED

—

ole|e|ole|o]e]o|eo[o]e]e]o]o]e]e]e]e]elelelele] | | [ | | [ ] ]

POAFTER CODE

INTERLOCK ;SEQUE”CE FauLr
MULTIPLE

3/3¢292827262524Z3222I2¢19!817/015/4I312Hl¢98765432J¢

[e[e]e[e]e]e]e]elee]/
Te] Tox]x

)

CONTROL

(VUBACR)

AODRESS =

uBR I @

UuBh

UBR

6|15

19 /3

2|1

B 9

7@54

MRD

2
3

(FUBAR)

ADDRESS

30 29 28|27 26 25 29|23 22 2/

UNIBUS

SBI

ERROR

UNIBUS ERROR

CONFIGURATION

MRD G

INTERRUPT

200 XYO!%

(oR)

200XY0/C

20|49

16|15

»*

ole[e]2]

BRRVR FuLL BITS
BRRVYR
sorve

| ]|

INIT

N
16)i5 14

|2lelelelelelelelele[==le]
READ DATA TIMEOUT

F
F

RERD

DATA

READ

SELECTION

VERIFICATION REGISTER

(BRSVR)

ADDRESS =

DATA

PATH

[

1 T

| 1

28|27

24|23

2®|i3

PRRITY

PARITY

]
DISABLE

INTR

ERROR —i

ERROR

BIT

—

TIMEQUT

UBR

BR RECEIVE

vECTOR

ADDRESS

BRSYR

BRSVR

2|t

[

8|7

[

[TT

[

T1]

I
DATA

<15:p2>

WRITE -NO-0P - BITS)

—i

)

I l
1

8|7

4|3

BN
EEEEE RN RN EEEEE

I I [

L l [

BRRVR

i{as)

= BRRVR

200Xy 038

= BRRYR

)

10|15 14

[ I

&
ADAPTER INTERRUPY

REQUEST

ZOOXY O30
200XY 034

200XY0O3C

ADDRESS= 200XxY OOCC

= BRSVR

200XY028

ilo|loid|o|pldlPloiplo|pio|e]
@

12|/

200XY 020

31 30 29 28|27 26 25 24|23 22 21 24|19 18

MAP REGISTER —

1¢

UNZTBUS SSYN TIMEOUT —

10|15

—I

UNIBUS SELECT

20|15
18 17

T T

200XYO24°'=

(READ

ERROR

LOST

23 22 21

[

DATAH

INVALID

313@292827262524

i6|/5

elofolofele|o]e]elofelefofefelz]

FEST

MAP REGISTER

UBAR DIAGNOSTIC CONTROL REGISTER (DCR)

¢|3

200XY02¢C = B8RS5VR 3

COMMANE TRANSMIT ERROR
COMMAND TRANSMIT TIMEOUT

*
BUFFER

SUBSTITUTE

CORRECTED

8RRYR 5 F
BRRVR 4 F

—I

//;¢987b5432/¢

8|7

ENABLE

—

2|19 18

UNIBUS POWER FHIL

ARODRESS
= 200 XY OO&

31 3¢ 29 28|27 26 25 24|23 22 27

[ T

ENABLE

INTERRUPT

(UBASR)

2|1

[

UBA

STATUS REGISTER

[

FRILED UNIBUS ADDRESS <i7:92> —-—J

AOAPTER

UBA

1% 43

[

E£NABLE

INTERRUPT

REG

oloje|o]o]e]e]e]e]e]o]o|e]olele]

BR INTERRUFPT ENARBLE

——

MRD

REG

L 1]
1

INTERRUPT FIELD swzrcw-j

MRD @ —,
MRE

UNIBUS RDDRESS

»*

2l [ [ [ ] [e]e]e][e]e]e]e]e[o]e]eo]o]e]e|e]o]o]o]o

MAP REGISTER DISARBLE BITS

FRILED

200X
Y QO%

3/ 30 29 28|27 26 25 24|23 22 21 28|19 18 17

BER

(¢ — &

UBA

RADDRESS = 200XYO/0
(OR) 200XY 0/&

°¢29282726252423222:2(3/.9/8/7/6/514/3/2///¢9a765432/'¢

L o

UBR FRILED MAP ENTRY REGISTER (FMER)

ADDRESS = 200XY QOO

= BRRVR
i3

] ] I

12|11

8|7

[ [ [

413

L I IJ

INDICATOR

UNTBYS DEVICE INTERRUPT VECTOR

DEFEAT MAP PRRITY

DEFEAT DATA PATH PRRLTY

MIC OK (READ oNLy)

SAME AS CNFGR BITS<26:09>

¥ SEE ADDRESSING NOTE ON PAGE 3

REVISIONS

glox}

:
§

crancENO.

[rev.

TITLE

UBA BLOCK DIAGRAM

SCALE — 44—

| sHEET

2 0F 3

SIZE

NUMBER

|plspj Dw78@-9-3
ost. |

REV,
)

_J@p-@:&smz]

UB8A

DATA

PATH

(DPR p—» /5)

ADDRESS =

200
XY 090
200XYO9<E

*DPR
= DPA

200XYO7¢C

3¢

29 28]27 26 25 2923 22 27

219 18

16|15
19 13

@
1

UBA

2|1

(B
=

413

OATA f(—"lf):Hw;l;f;_I:)TION

lelelefele]

UNIBUS

ADORESS

<17 :¢2>

ODP

BOP/

BDPIS (/0)

4|3
2

T I T T

ITII]
—

S8I PAGE
=

ADDRESS <27:97>

PRAGE FRAME NUMBER (PFN)

YBA ADAPTER CODE (FROM CNFGR) AND
UNIBUS

RDDRESS

NUMBER
!

| X | v
P | 2

UBA

NUMBER

DAPTER

|PPAPTER|

UNTBUS ALDRESS SPACE(HEX)

20/0000Q-20/3FFFE

20/400 0GC-20/7FFFE

20/8 00 Q O~-20/BFFFE

20+/C O O

PRV

UNIBUS ADDRESS SPACE (128,
K WORDS)

SPACE FOR EACH UBA

)

NOTE

VALUES OF X,Y FOR TR NUMBER OF UBA
TR

OFFSET

ADDRESSING

i
9 817

T T T I T [T T T I T T T I T T

MR
|

DATA PATH DESIGNATOR BITS (3:9>

MR @

BYTE

BUFFERED

200XY 800 =

MAP REG VALID

BUFFER STATE BITS <7:0>
|

ADDRESS =

3I3¢2926272625Z42322212¢19/8171015141312

EMPTY)

BUFFER TRANSFER ERROR

P —e 495 (/o))

= MR 995 (,0)

8|7

BUFFER NOT EMPTY

(MR

= DPAR IS

HEEEEEEENEEEEEENEEEENEEEEEREN
_

MAP REGISTERS

OQ-20/FFFFE

WORD ADDRESS = 201X
XX X X4

TTITTTITITTIT

{

]
J

R/w

DATA

.
-

»—;)

1|9

| E

[a}

x|
7]

A
A
.

REVISIONS

glox|

ocuanceno.

REY.

UBA BLOCK
ShE PRGN WA

SCALE
-

——/4—

DIAGRAM

|SHEET
3 OF 3

|piso|DwW78@-3-3
ost. |

|[-T77.2e7Rd08l2]

S8I READ TC CNFGR OR DCR

(MICROSEQUENCER NOT USED)

!-o— 20@ns -ol

SBI

CNFGR

USIH STR ID

| mck (uan) |

BUS

MSK SB83

UCBR

UST RiP H

UCBM

LOCAL RERD EN #H

|
J

TR H

DTE

USITJ

LOCAL

[reap DaTA(usH)|

T®

ALK

T
L

dm\ )

{

i DW789- PRI

USIC ARB OK L
ucsL

TR (vam)

o
T

UCBM SEND

_
/[

USIRIP

_OF DCR

USIN

-—

READ CNFGR

UBA ADDRESS DECODE

PO,

———

,""_“,,-..—-——s,._.~

RERD L
4

(9555}?7’ CNEGR MUX
ONT®

T BUS

RIP FF H

DRN. QDomernt | . 48.7] FIRST USED ON

CHK'E=T,

ettt

CHANGE NO.

REVISIONS

| REV.

USIN CLR

PAOD.

//{:),' VAX 1118¢

iglijt I‘

4TM JBA TIMING

Pt Fae iy

/77

DIAGRAM

nl__ ]

NEXT HIGHER ASSY.

“DD-D

| sizE

| OF
5

DIST.

2y zeed

[

SHEET

NUMBER

10N IF pw78
- -4
p

REV.

ezmgggglzl

f S

| o Tv-9 -

SBI RERAD TO REGISTERS OTMER THAN CNFGR AND DCR

(MICRO SEQUENCER IS USED)

}0— 20@ns —o{
T®

T®

'nrzrs

| ResD 740D

S8rL

ADDRESS

USI

8= FROM UMD

] ADDRESS

[y
S8

OPERARTION

SEND

OTE

DTE

[

zote

HINSTRUCTION]

o » s nOTE 1 | L0AD oPa

L FEQ] SBI \|WAIT REQFF |wAlT REQFF |
|

oPa

SHAT REG (UCBM)

CNE

sus

—— NOTE

BR DTe

f From

i/ B8R cwF

Jusl

[/
/

| #cK worE1 |oPRe—1DiEA]
S umD

woOTE 1

lcer 58 A7TT |

woTE 1

]

IDLE

[

2
\{Hfl/
| oTE
A H

\-[a - READ DATA (o—

T 8uUsS

UCBM

msseRrs

TR H

(FRom Bus I8 =B8)

o] 8-R€AD 0ATA)

NOTE

THE NUMBER OF STATES
8Y

THESE

FOR

NOTE 2,

ERCH

THESE

ALL

SARLPLADE P-1848

(vese)

UST

[

JSEL

ARTT M

X = DON'T CARE

UcBM

OTHERS = DON'T CARE

MICRO

[a1

REG

I8=A

8US MSK S8

UCBR

NUMBLR

BuUuS

[a]

URIH REG ADD STRS8
> = READ

[READ DATA(VER)

RERD

[a]

OR UAT

UMD REC I8
(FROM

TR (uBA)

RIP H

8us I8
A= FROM

DTB DW789- g-a]

MIC

| Ack (uBm) ]

USIN

DECOLE

]

BOXES MAY BE

REPRESENTED
DIFFERENT

ROUTINE.

STRTES MAY NOT BE PRESENT IN

RETURN RERD DATA

ROUTINES,

(SBI READ TO INTERNAL

REGISTERS)

TIVLE

SIZE

UBA TIMING DIAGRAM

|pjrD Dw? 80-0-4

SCALE

DisT.
|

[sHEET

NUMBER

L1]

N
1

REV.

N[ [v-8-282M0TAI]
2

SBL T© UBAR OR UNIBUS
T®

{wrIte/mo0 |WRITE DATR| ACK (UBA)

(&) enFGRr, DCR
CNFGR

DCR

3S7TRB-L

SrR8

Erfi_q

USIR

8us I8

RPEC

[1
oaTA

[

se or cr
UAID

SR STRB

VUAZID

STRB

uwrsus
URIH

STRE

URID

STRB

USIN

UiIP

URIB

MASTER

(UNIBUS

—

[—\

LOGIC —> CLR

Blelow78d-0-al "] 1

H ADDRES S l

(UMD OR UARIL)

| ACK (UBA) |

| DEcope ADD
[ ReCv DATA |

WRITE TO :

USIR

WRITES

./_.{
UIFP

DR70 /8B SEQUENCE)

maAp reg's
BRSVR

OPR's
"UARID

PEG

ADD

STRB

(7o umD)
VUCBR

(sroA’E
IN

BUS

FILE

MiICw/P —H

MSK S8

UCBR

MICRO
TO

USIN

WRT -L

WRITE DRTA

CPERRTION

MOVE

FILE

RTT ~

DRT7TAR

THE

IDLE

[znsTRuCTION 1] SEE NOTE 1 JetR s8 ATT]

FROM

REGISTERS

MAREPEACE

P 1680

(SBI WRITES TO UBA OR UNIBUS TIMIMG)
SIZE

SCALE

——fme

[

IsHeeT

oF 5

NUMBER

UBA TIMING DIAGRAM |o D DW78¢-0-4
ost.] | ] [

1§
1

REV,

“THIS ORAWNNE AND JFICTFICATIONS,
MEREWN, ARE THE

L |7-0-282M7101Q] 2
NIME
RE
I

DIGITAL BQUIPMENT CORPORATION AND
MPRCDUCID
Of COPED OR USID W WAKLA
THE BASES KGR THE MANUFACTURE
OR SALE

WRITTEN MEAMISIION.

1 D77 DIGITAL ERAPMENT CORFORATIONTM

READ

T®

r1 vz 73

T®

EXTENDED

READ

T®

AcK

SBIBUSCYC’-ElIII!Il'lll‘ll!'
73

MICRO

STATE

T3
LOAD

432

T3
WAIT FOR

NO REQ

T3
WRLT FOR

NO REQ

433

SBI

T®

73
BRANCH

3
I/0

oTE C

CONFORMAT 10

ALK

OR MEM

439

936

44/

417

MEM,
73
WAIT FOR RO

RETURN

RD2

OR FAIL

I
W\

RERD

DATA

FROM

pck

gex

<497

WATIT

4497

SBL

— -

‘

447

WAIT

RERD
DATA
RCVD

447

451

,»i OATA
e

ro;'_s

wALT

43¢

] T<X

(.-

{

RCVO

ucem

DRD

RQD

uUSIP

£24 -9

USIP

£24-~5

USIP

UCB8dJ

MICRO

STRATE

MICRO

FLOWS.

SEQUENCE

931

COMMAND

STARTING

ON PRGE

THE

FOLLOWS R RERD

DATA

XPCT

RD XPCT

PINE

DIAGROM

CNF @,
1 =

JCBAM

THIS

RETURN

NUMBER

UCBM

ArRF HEEN Foe 'owa

REARDS.

D M

DTE C H AND UCBC DTE

FILE

UMD BORRD.

V cre
a

B H

(. TNES

IS STORED

UCBL DTE

Jd A

UCBC

ON THE

DRATAH

DLY

T
———]

DTE A X BND

NOTE?
\

—

OTreE

REQ

RERD

uLBL

WORD
P

ALL

WORD

REQ

UCBL

FOUR

——~
— BROKEN

————— -

THE

RERD ONLY

POINT

LOCATED

NN,

AR8

EXTENDED
AT THIS
IN

USIC

UcCB8E

UCBL

ByUsS S8I

esy

EN UMD H

REQ

‘

Do 5

X X

UCBMH

READ

oFrR

Illllllll'||lllil'I|lllltllllllllI||’

X_J_ _ _ _ ____ _ _ J_

LOARD oOFPA

UCBF IB

REQ EN

43¢

vesw Func oz 4

USIH MY RD

/N T

USIP FLw SEL P+ 1 =
UCBR

DRD

RCvD

Nel

(

[

===

’7

T3a___

IL"

USIP RD CNF @ L
E/IPL ~5

R0z

713

[

\‘I

IL ______ ..L

[

BUS SBI CNF @, 1=

(XXX O]

AcK

ox RACK_»
> X

WAREFRADE P-1888

(UBA TO SBI READ, AND EXTENDED READ SEQUENCE)
NUMBER

SIZE)COOH

UBA TIMING DIAGRAM
SALE

)

DW780-9

[sweEr

oF
5

|pito| DW78@3- -4
ost. ]

[

]

| [
[¥-9.88:ma]0q
] 2|
e_
WEN
I
] 3218

WING AND SPECIFICATIONS,
HEREIN, ARE TME
OF DIGITAL EQUIPMENT CORFORATION
AND
SE REPRODUCED
OR COPHID OR USED IN WHOLE

AS THE BASES FOR THE MANUFACTURE
OR SALE

PERMISSICN,

UBA -SBI EXTENDED

WRITE

TIMING -

le— 20045
—»y
SBI 7IME -

17/ 72 73 TTM®

T®

lr&:z!!‘!L!!!!a%;!::',!%'.i!'&'!.#%!%;4!L!%L!%%!#%
MICRO OPERATION

[LosD orPA |\ REQ SBI
A
oFr

uUCcBmM

SEND

UCBL

REQ FF

UCBE

NO REQ H

USIC

AR8

Ok L

ve8sL

DTE

INFORMATION

FROM

Brcwr

UMD

ONTO

T 8rR Acxk
BUS

[ar

DURING

Ack

T/—T72

{oPge—IDLEA |

TIME

l::1§4531¢%¢£=4%!=%fi'
|

]

TR A

DTE SHIFF REG -

vesL

UCB8&

HoLp

UCBM

SEL

UCBF

MAP Mux SEL H

UCBL

XTHD

UCBE

WD2

wWPR

SEL

FUNC - ADD \

$\ szLECT wRITE DATA 4 \FUNL‘ - 40D
SELECT WD2

TAG SEL 1 ¢, H

|— cA F———T+—wp

] —wo —]/

[

8us

AND FUNC FROM UMD

WRITE

DARTA

WRITE

DRTA

2 FROM

MSK

BODRESS

FROM UMD

UMD

S8
FOR

COo0E

FROM SBI (poN’T CARE)
MASK

wpD1

SIZE

MASK FOR wWD2
DON'T CARE

BUS

T (uSI)

|Func-ppo ]

wos_

wp2

USIC

T MASK H

{

"wpz

woz

TR LINES
BUS SBI

rAG AND

LINES

wor

T
HoLD

HOLD

WRITE/ADD

|WRITE DATA
|

|WRITE DATA 2

WD 1

wo2

DON’T CARE

MRS K
CONFIRMATION
UCBM

CNF

wors

ACK

wo1

ACK (wDr) |

[

wos

wor

wos

wot

]

Aex (wD2)

1,
@
ACK

FOR BRCNF

ACK

| FOR

B8R ACK|

ACK

FOR BR ACK

MAREREACH P.1040

REVISIONS
CHANGE
NO.

(UBA TO SBI EXTENDED WRITE SEQUENCE)
| REV.

[
:

wen

Xfimha
ook
o Mely

FROM S8I (DON'T CARE)

NLMBER

SEND

D DW78Q - g-al |1

YVCBL

UCBL

|wAhIT REQF: |wair REQFF | BR DTE
ASSERTS

T®

]

TITLE

UBA TIMING DIAGRAM

|D|TD| DW780-@- 4

SCALE

——+—

]

[sweer

ofF
5

ost.|

NUKBER
T

T'T

[

8
TS SRR

]

;

A T

L
T

PRET A8 THE BASN FOR TE MWUOFACTVRE 08 NX OF
rm-n?;r-fi!w

UBA

CBO

FLOW

0260

NOTATION

NI2ATION

ENTRY Points

FORMAT

(¢ FROM EXIT FOINT OF OTWER

FLOW(S))

oF OPELATION

Box

(BEFER

FOR

BAM

BYTE PosirioNs
SHOWN BY ¥ BELOW

MOVE

VALUE

D
(PMEL)
DESTINATION

«<—

SOUECE
DPA(FUNCTIONO

R0M ADDRESS (0LTAL)

ALRONS

ONS

MPC
CommenT
WHAT

THIS

MICRO STATE

DIRECTION

OF FLOW

Box

VEETICAL POSITION

UBA

(10 ENTRY POINT OF
ANOTHER FLOW wiTW

| CONDITI

~J SAME NAME ON PAGE

ON= VALUE L

\4%51

INDICATED )

(Pne;Ec 1)

conpimon= vaLLE
2
:

"
a7 -k "‘52?]

LOAD

r?OMMENr Box

—|

| # GENEEAL STATEMENT

ABOUT A SEQUENCE oF

l STEPS.
—_——

—

MPC (NEXT)
B

OTHEE

THAN A MOVE TO
A PEGISTER)

HAD

FOR

ARE

LISTED

FIELDS

r—
WHEN

OTHER

THAN

IDLE

BELOW ‘wLoAD oRAY,

2oz

FIELDS WHEN OTHEE THAN IDLE

UNCHANGED.

IDLE

SMSK

ABE

CHANGED,

THE 8iTS

ALL OTHER BITS

|22]|32x%

STATE

MEPA
uvBA

CONTROL

SEQ
AND

THE
Al

82@}= o BEANCH

HAD = @

8&s

FUNCTIONS OF OPA-OP8

mPCA

COMMENT

OPR=-+BUS IB CONTROL AT TI-T2 TWME,

‘

*$BI TRANSMIT FUNCTION

(0P CODE oN UCB MKcEO SEQ

OPEEATION

GUIDE)

*DP MUK ENABLE
COUNTER

e ) pecee

(pPAcE/
\

OP CODE = @

mic StATE= @

INCEEMENT CONTEOL

(No SBI OPERATION)

DP MUX DISABLE = @ (ENABLED)
IB EN= @ (Bus I8

OPB—+BUS AD CONTEOL
«MAP
DRTA
ENABLE AND UCBNS&c AD MuxX
NO
UCBF 80P No. TN
i
vecsers

'—'

IDLE STATE OF OPA (IDLEA)

DISABLED DUBING TIME TI1-T2
)

CNTR INC= 1 (ENABLED)

IDLE STATE oF or8 (/DLES)
?sz'?-g:- 7.41;2 g:fin (;:;%i_?zz;gessgs
(mAP DATA ENABLED
UCB AD MUX SELECTS

DATA PATH REG CONTENS

(MRSE

AND

STATE

BITS))

ppge
1

FOR ALL
IN SYMBOLIC

ROM

THE ROM FIELDS OF THE CONTEOL
NOMENCLARTURE, THE UCB MICRO

GUIDE (MB27 PEINT SET) SHOWS ALL OF THE BOM FIELDS
THE

VALUES

“OCTAL

I§

SHOWS

——

FoR

THE

EACH

REQUIRED

7o PEFFOFM THE ofle’/?azzm OESCPTEBED TN THESE FLows.
CONTBOL STORE”(MB271 PRINT SET)

REPRESENTATION OF LCB
ACTUAL

VALUE

OF THE

CONTEOL

STORE

( MICRO FLOW FORMAT AND ORGANIZATION)
DAN.
L CHILDS lioq2 7] FreT
o on-

ROM

RoM ADDEESS,

)

s
ENG.

|__YAX 1178¢

[ | 700
73

NEXT HIGHER ASSY,

CALE

weer

sz UBA MICRO FLOW

ZLa
] TTLE

PROL &

l" -

===

.".

MicRO FLowS SHOW ONLY THE FLOWS OF THE
OFPEEATIONS. THE MICRO
OPERATIONS OF THESE

FLOWS ACCOUNT

STORE

FIELDS

tAD> @
FES = ADPT WD

(FROM MAP)

(UMDA FILE)

BEMAIN

MAS
= Bus AD

—

Tue

RBOM

omMS =D

INDICATED

AYTE

(PAGE z)\\ [TH/S STATE ENTERS HERE|
NOTE:

—

PRGE]

'
—

HAD

cF8= nNooP

2 AND 3 (THESE ARE THE BUFFER STATE
REG.) ONLY

CFD
= NO OP
CFg = No oP

SET INDIVIDUALLY OB IN PAIRS AS INDICATED 8Y rHE

PATH

7. CHANGE MASK: SETS AND CLEAES MASK BITS. ALL MASK
BITS ABE CLEARED B8Y CLEAR MASK, MASK BITS ARE

DATA

{om| 118} 214 31

CHANGED ABE LISTED, ALL OTHERS BEMAIN

THE

LAD

ploolio]z0]a0
2
1,
2
3

BFNC ABE LISTED BELOW "CHANGE STATE:". ONLY THE

MASK BITS

3103|/3|23]|33

STRTE ARE LISTED BELoW " LOAD OPB:”,
& CHANGE STATE: THE NEW VALUES OF BNE (BSTATE),BTE AND
VALUES

BYTE 3

SovecE
OF OPA

2/,

DETERMINED
B4 2
LAD FOB BYTE ./,

S. LOAD OPB: VALUE OF OPB

COMMENT
OPERATION

)

VALUE

(FOE

VALUE

BITS OF

—~——— (N0 BEANCH INVOLVED)

| TH18 corment eerresents|

OPA.

SETS
‘

ASSEBTION

STATE

EXIT_POINT

BBANCH (CONDITION) z%"érs 3

COMMENT

BUS

gus

/S INVOLVED)

SEE: FORMAT
OF OPERATION

e (NEXT)

STATE)

FIELD

/I,

FOR NEXT STATE OR TO LOCK OUT DMA ATTENTION FOR

BEANCH IN FLOW
( WAEN
A BEANEH

&3)0',

g;.g,:,T; ?5';;?

THIS

DOING

FI1ELD

OTHER OPEBATIONS OF THIS STATE. USED FOR PREPARATION
BOM

OPECATION

WITHIN

OF
A ROM

(WKEN OTHER THAN IDLE STATE AND NOT AFFECTED BY

STATE

OPEGATION
MICBO

Beox

INDICATE

;

AccEgs

P,PRINTS po RAM ORSANIZATIONY
- DP

UCB

oF 27

[ouv

[

FDiDW780-0
-5

OB O I

A
A

-0 -08ZM0[
| ORRTY OF DRGITAL EQUWNENT COMORATION. AnD
oumrmfsencuscsrah(u‘.;;grmw?mm

(mr 1)
DMA ATT
TUMP On HARDWARE DMA DECODE MUY (UCBA.)

THE HARDWARE SELECTS THE MUX

INPUT

(4, 8,C,0) BASED O THE FLOW IV UCB PRINT SET (UBA UCB IR

DECODE)

THE iMPUT SELECTED 1S SHOWN IN THE ROUTINE

ALL PAGES

oLE

UMIBUS
TO SBI
— -4

TM “uwiges”

| FuucTion To

ooy

| DIRECT DATA

IDLE

PATH

STATE

OF MICRO
CONTROLLER. WAIT
FOR ATTENTION FROM
HARDWARE AMD JUMP TO
MARDWARE

DEVELOPED

READ

SMA

| DATI, DATI®
i
| DATO, DATOB
-

TO sBI

WRITE

ocop

WITH READ

(gs;\s)

READ

DATA

DMA D

UNIBUS TO SBN WRITE

PRIORITY @

(PRICRITIZED

0, N\

DDP- SAME AS DMA DJ

TTENTION

Gowesr)

o ATT

“uniaus

| READ To

&/~ o7

i BUFFER

DATA

EmprY

MEM ADDRESS

GvFie

DAT)

MEM ADDRESS

(MFi8)

READ

READWiTH READ DATA

SBI

READ (SAME AS DMA B3

(MF 1)

SA BY

(mF 13)

ovia g

MF9)

| 04T ByTes 45

PFRD

RCUD

UNIBUS

| WRITE To

(HI6HEST)

me)

—

\UATIALIZATION

—

DMA

S8\ ADDRESS

<37

'
STAT

I
STATE

ocir)

ADCLR)

ADCLR = PS DCLO+ SBI DEAD+ UBA

cHancEno.

| Rev.

ADDRESS

us ATT

OMA C3

DATI BYTES 3.4

(M;:“)

BYTES
S 6

DAT] BYTES 74
ADD,

BYTE

OFST

usus patos 1o 8op
$Bl MEM ADDRESS
s

va Al

(MF3)

| parr

grres

(MFa) | DATI BYTES 23
1s
/O ADD *
F

DMA A2

(68! Yo ADDRESS)

UnviBUS DATO8 T

(s8I 7/0 ADDRESS)

BDP

(mFs)
i6

M
DMAAR > Y17

(MF45)
25

<OMA Cé

DA e

DMACT

DAT| BYTES &1
770 A DD

DMma cio

/o ADD

OMA il

DAY\ BYTES &/

DMA ¢12

DATI BYTES 2,3

%, 0R 400

TEo

SEND Hl

BITS

MASTER

DAT/

SATI

(MF1s)

(wF 15)
31
t

(¥ 15)
32

READ

FLD OK

TRANS

ACTION

(";’25)

ADCLR

ROUT\ME.

vee 5,

/o ADD

13>

MF 75)

DAT/

BYTES 2,3
(/0 ADD

s ci5>

(53 )

5B 4

Gar23)
€4

(MF2g

MF 22

——

WRITE

MAP Rto wRITE

(Mf

23)

(wE2y

R
=

NOTES:
L

THE

OPERRTLONS

FROA)

FRE

THE

SBI

SHownw

REQUIRING

7#E

HEOVE.

THE [EMAINING OFERATIONSS
WRITE

CNFGR.

RERD

CNFER

RELD

Dc R

WAILTE

—1

WAITE OcCA.

WRITE CAR.

PRE HEROWIRE OFERRTIONS THAT Do NOT REQUINE 7HE
SEQUENCER,

2. START ADDRE SSES FOR INTERNAL
700 -

OMA

(‘2‘2’-2)

(MF
5520)

FOR READ DATA

(FROM

2,3

BYE BIT

PURGE,
PURGE, OR

)

CLR

8c 3 S (Mr2i)
g

BREVR

2
INTERRUPT

U8R

CONTROL

S7ToRE

LUER ROUTINES:

—

<ISTTNG)

BD INIT-(MFR)

160 - BOP 70 SBL WARLTE- (mMFG)
(VO BYTE CFFSET)

2/0 -~ ERROR RECOVERY From BOF 70 SBL WALTE - (M~R37)
2/7 -

ADINAT

DATA

INTR

MF 15

i/o ADD

BYTES

MAP REG® READ

(MF 21)

PR WRITE

COMPLETE

OF THE

SEND LO /6 BITS

FOR

BRSVR READ

FOR READ DATA

MFis)

sB 2

INTERRUPT TRANSACTION)
MASTER DATI W17

MFE 16

{nr 22)

%sz;wnui Fsg

MICRO

DATI

(MF2)

@-45/20)

DAT/ COMPLETE

A cas

—WBc/

%8 )

FMER, FUBAR

(r20) | oPr READ

usc¢

BRRUR SAD RAM

ADCLR.

READ CR, g
SR

MICRO SEQUENCER

(o)

MF 5,

MASTER DATI

FIMEGUT

(SEND COVTENTS
Dma ¢8>

(RETURN g REAR DATA)

(MZF f}

SE€€ NoTE /.

UAI READ

CONTROL LOGIC ON UAI

&, 400

NOT ASSER

OPERATION OF TH\S STATE

chk|

BDP

UNIBUS DATO TO BDP

SPACE

_—‘fi_'——_"‘l

ADCLR ASSERTED

ME |

RESPONSE TO UNIBuUS

ACCESS
TO MAPPED

ANY

HARDWARE TMP

}

| Bara TM 1
|®aTo, vaTOB) __j

NIBUS

DMA ATT

DATO

“Guigys ) [G81 e ssone=)
TA

(MF/S)

6.7

MEM ADD, BYTE OFST

DAT!

DATA PENDING

—

(MF1)

DATA RECEIVED

FORCES THE

Fi6)
7/

PREFETCH READ

PRIORITY

[

MEM ADD, BYTE OFST

MEM

PRICRITY 2

DMmACS

MEM ADDRESS

DMa BaSHMF 14)

FOR THis BDP (FROM PREFETCH)

ADCLR

PF 1

farE 15)

MEM ADDRESS

MEATADD. BYoE Bray

UNIBUS YO BDP READ

WITW READ

REXT

F1¢)
7

WITH
6YTE oFsT
H

5pe57

DMA CI

DAT/ 8YTES L2

QERDING FOR ANOTHER

UMIBUS TO BDP TO

(M:?)
!

(BOP 'S EMPTY)

I | LMIBUS Yo BDOP To sBI

—d|

UMIBUS CONTROL
oapugfnszpr

Co AT

urerio

ANY

NN
29

BYTES 2,3
2

PFg

OFST

(sB ATT ) *
®7

UNIBUS TO BDP TO SBl__£1s o3

e o —p

PRIGR/TY

;PQB”P(%‘T')

OPERATION ON THIS

WITHOUT 81T

BOP COMTAINS DATA!

AT! BYTES

se/.Jgrfé%\

MF1)

COWTROLLER.

DAT! BYTES &/

ATTENTION WOT ACTIVE

MICRO

FROM PREFETCW

(DATI)

ENDING

HARDWARE BRAWGH

— —— ——

READ DATA RETURNED

T
S
|

PENDIN

ASSERT M Ic or (DCR BIT 27)

rReap 0

BUFFER DATA PATH

)
UMIBUS TO SBI

START

DMA DI

Reup

@Aa‘b Movials

I | UNIBUS

PFRO

DDP

(UCB PRINT SET)

—

[

DESIGRATION (DMA A, DMA B, DMAC, DMA D.)

BDP 70 S8 WRITE

-rMF8)

(WITH BYTE OFFSET)

(MFi5)
37

(HARDWARE ENTRY POINTS INTO MICRO CONTROLLER) (MFD
TITLE

SIZE[COD

REV

NUMBER

I
|

SCALE

H—

[sneer

Di'5T~[

WING AND SPECEFICATIONS,
MEREWM, ARE
HAAPMENT

{

al S-0-08.M0

| [T

CORPORATION

gzmapg

9‘ 2

REPRODUCED
OR COPIED OR LISED IN

THE BASIS SOR THE MANUFACTURE
OR SALE

OIGITAL EQUIPMENT CORFORATIONTM

SEQUENCE

(UAIN)

(uain)

CNTR 4 =0

CLEAR HI 16 BITS OF

MAP

SEE NOTE

REG

MR HI {BUS AD) ¢— g

193

ZOR 400

PREPARE FOR
SEQUENCE

INITALIZATION

DISABLE MAP

RAN DATA IN (@)

AND

OF DP RAM.(4B

CHANGE

UCBN AD MUX = CNTR
= CNTR

«—

BTE

«— 2

CNTR

NO IN(CNTR)
HARDWARE
AD CLR

MUX

BRANCH

DPA (CNTR)@1I L2131

ASSERTED

CHANGE

CLR

HL 16
R
K

CLR

——
&

ENABLE

MASK (CNTR)

DPA[CNTR)2,12,22,32 —— @

106

16 MAP

REGISTERS

on man

LOOP

CLRLO
16 BITS OF MAP
e REG OUNTER
"

L=
-[

LOAD

COUN

ISA CCNDITIOM

F~KCEL BY:

1. POWER suppLY DCLC AssFrTEL
2.SBI

DEAD

ASSERTED

.WHEN

THEN

CLEAREI

HARDWARE

492 N3

LATER.)

ADCLR

WILL

EVER

STATE

ASSERTED.

FORCED

INTD

THAT

BITS

INCREMENT

TRY
—
PLOKNTR)
—&
BR (CNTR FuLt)rt2
_

(NTR FULL

= ¢

CNTR FULL

OPA:

Bss o

OF MAP

CLR

OPB

TOIDLE

OPB
«— IDLE

STATE

R TER ENABLE

(UEAL)

5. CONTRCL REGISTER EiT ADINIT ASSERTED
(WHEN SET, THIS BIT 13 ASSERTED AND
IT

DP MUX DISABLE

(PS DCLO)

INCREMZWNT

MUX DISABLE

SUCH THAT COUNTER WILL

LOAD

.ADCLR

COUNTER

OPA

R U A BLE

INCREMENT TO NEXT ADDRESS
7
S
MRLO
{BUS AD)6— @

NOTE:

{(NTR) «—2

REG

NABLE

CLR

TIMES

COUNTER

DISABLE

SEANONS

(2 LOCATIONS PER MAP REG)
|
16

MAP

op Moxs ib

DPA(CNTR) 83,13, 23,33 «— &

DP MUX DISABLE

CLR 47TH LOCATION OF

RAM

BITS

LOAD OPA

DP RAM (4 BYTES)

INCREMENT

MASK

DISABLE

16 DATA PATH

AND FIRST

BITS

CLR 3RD LOCATION OF

BLCCKS (4 LOCATIONS PER BLOCK)

{

195

DISAB

= CNTR

'__cc_)_miey__

DP
RAM
BYTES
LR
Ram(a(4 BrYTES)

DISABLE DP RAM DATA IN (@)

LB
X

REG

MAP LO <CNTRD «—&

AD CLR NEGATED

LOAD OPA

MAP

2 ND (LOCATlON

CLR

100

BSS

CLR

CLEAR

BSS - =BDP

TIMES
TINES

DISABLE

BUS AD«2-UCBN AD MUX

CLR

BFNC

—

STATE(CNTR)

BSTATEe—

LOAC?HP:%EL‘

DATA

REGISTERS
LOOP 496
Lo cPTRIe

DPA(CNTR) 00,19,28,30 «— 2

NO IN

——

["CLEAR REMAINING M AR

TES)

CLR BNE BIT, FNC BIT,BTE
BIT

BDP NO. IN

BOP

COMMENT _ __

CLEAR FIRST LOCATION

ASSERT COUNTER ON TO BUS AD)

MAP

BSS =CNTR

AD CLR

DFDOW786-0-5]] ]

[(HA

(UAIN)

INITIALIZATION

THIS

IT WAS

THE

DISABLE COUNTER

MICRC

ROUTINE

e
CLR OPA

SEQRUENCEK

FROM

IN.

WHAT

INCREMENT

= -]

UBA

TO IDLE STATE

OPAC—IDLE

LOAD OPA:
DP MUX DISABLE
INC COUNTER

BSS
= (NTR

DISABLE

BRANCH

ON COUNTER =16

BSS=CNTR

MF
|

[BRECNTR )10

003

MAREPEAGE P 1008

(UBA TMITIALIZATION

]

SEQUENCE)

(MF2)

"UBA UBA MICRO
MICRO FLOWS
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-0 -5

SCALE

—o—

oisT. |

L1 T

“THE DRAWING AND SPECIFICATIONS, HEREIN, ARE THE

| [

foLd

PROPERTY OF DIGITAL EQUIMMENT CORPORATION AND
SHALL NOT B REPRODUCED OR COMED OR USED IN WMOLE

[ S 2 08ZMa[Aq] 2|
non,

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OR IN PART AS THE BASIS FOR THE MANUFACTLRE OR SALE

OF ITEMS WY

COPYRIGMT

WRITTEN PERMISSION,

19 7 7 DIGITAL EQUPMENT CORPORATIONTM

MEM

DATOB-UNIBUS DATO VIA BDP TO SBI MEM ADDRES SPACE

MF1)

(B@.A2.A1) =7

MF
I

014

557

BYTE OFST

BRANCH ON BYTE OFST.

AND UNBUS

ADDRESS C(A2,AID>

CHANGE STATE AND

SLAVE SYNC

(86, A2,A1)

SEND

SEJO%ASUKNIBQES?DATA
TO
SUFFER AND TmpsTR

556

STORE UNIBUS ADDRESS

BYTE

OFST

ENABLE BUS AD INCREMENT
-

SET MASK BITS 5,6 AND

CHANGE STATE SEND SSYN:

BSTATE €«|
BENG 1

DPA 23,33 «—BUS AD

C”h‘:s:t‘;":ow:‘f_"-smfl ,

CLR DMA ATT

DPA 31 «—— REC

MOVE UNIBUS DATA TO
BUFFER
MSK ROMe—SMS

BYIE OFST

CLR DMA ATT

(BB.A2, AD= I
55

BUFFER

1 «—REC

c54

\]/

BA A2 A= 4

BUFFER

CHNG MSK AND CLR DMA ATT:
MSk ROM &——
SMSK 32
DPA 26 30 <« REC D

19,28¢—REC

]

)

LOAD OPA:

IB EN UMD

LOADIBOE:J'UMD
CNTR ENABLE

OP CODE «—BDP WRITE

CLR

LR NE'NCTFSZTATE — 2

CNTR ENABLE
3?&03557—50; WRITE

“?
?

CNTR

MR LATCH ¢—MR H

§G

(BUS AD)

o
~

MR LATCH€—
MR H <BUS AD)

<Bd. A2, AD =3

553

4.5 AND

SET MASK BITS 6,7
MOYE UNiBUS

BUFFER

CHANGE MSK:

MSK AND CLR DMA ATT:

MSk ROM &—

MAP RAM

DMA ATT

OPA @ II €——

MAP RAM

CLR COUNTER FOR
TIME OUT

CLR COUNTER FOR TIMEOUT

MEM

LATCH HI 16 BITS OF

DATA TO SBI MEM

LOAD OPA FOR BDP WRITE
LATCH HI 16 BITS OF

MSK ROM&—SMSK 2,1

e Re DATaSEER

SBI

LOAD OPA FOR BDP WRITE.

TRANSFER

BUFFERED

CLR DMA ATT

MOVE UNIBUS DATA TO
CHNG

BDP WRITE

BUFFER
CHNG MSK AND CLR DMA ATT:
) PA

R
CLR

560

MOVE UNIBUS DATA TO

SET MASK BITS

SET MASK BITS 1,2 AND

MOVE UNIBUS DATA TO

552

562

BYTE OFST

CLR DMA ATT

<B.A2AD=2

DPA 23,33¢—BUS AD+ |

MOVE UNIBUS DATA TO

DPA 32

SET MASKBITS 2,3 AND

fer—

3,4 AND

MSK ROM €— SMSK 4,3

NC ENABLE

STORE UNIBUS ADD

CHNG MSK AND CLR DMA ATT:

MSK ROM €—— SMSK L,g
T

—

CLR DMAATT

MSK AND CLR DMA ATT;

DPA ¢¢,/9 <—REC

)
MF4,5

SET MASK BITS

gS}’FEEgN'BUS DATA TO
CHNG

333

SET MASK BITS @,1 AND

INC

(88.A2.
A1) = 5

230
Y

6.5

DPA 1,21 €«— REC D

BAAZAD= 2

TMPSTR6 «——REC D

CHNG MSK AND CLR DMA ATT:

Al) 55¢
BR(B®,A2

SMSK 5,4
REC

MSK

IDLE

DATA 7O

BDPWA

093

(MF6)

ROM <—SMSK 7,6

MFD)

DPA 21.31«—REC D

BDP W8

(MF 2)

217

~
P

IDLE
(MF1)

po3
b

REVISIONS

3 cm}

CHANGE
NO.

| REV.

(MF3)

;

SIZECO0E
NUMSER
REV.

—

SCALE

}

]

[sveer

ofF

ost.[

TTTT

{

] (] g—mfi;gemogagl 2|

MEM DATOB uNIBUS DATOB VIA

BDP TO SB1 MEM ADDRESS SPACE
Y

(MF1)

DPA 3l€——REC

= 23’33(—::(582112. . A2) 600

(Bg. A2, A1 AD) =6

BFNCe—|

L)
CLR

BIT

AND

BUFFER

CHNG MSK AND CLR DMA ATT:

MOVE UNIBUS DATA TO

BUFFER

CHNG MSK AND CLR

MSK ROM

— SMSK

MSK ROM «—— SMSK @

OPA ¢ «——REC

D &

SET MASK BIT

AND CLEAR

MOVE UmiBus oatA o

BUFFER

MSK ROM&— SMSK

OPM &1

€«———REC

SET

DMA

AND

DPA 92

—

S AND CLR DMA ATT:

CLR DMA ATT
L

MASK

BIT

616

DMA

AND CLEAR

SET MASK

ATT

BIT

START SBI

TRANSFER

DPA Jle———REC

MSK ROM «—SMSK

MSK ROM&«—SMSK

D @

(Bd. A2, ALAQ) =13

613

BYTE OFST

D @

DMA

MOVYE

ATT

91 — <—REC

D I

=Tal

SET

614

SETMASK BIT

MSK

ATT

MFD)

DPA

MSK ROM €—SMSK
&3 €——REC

D |

DPA

AND

CLEAR

ROM ¢—SMSK

Hlé&—REC

DMA

ATT:

€

CHNG MSK AND CLR DMAATT:
NSK

ATT

BIT

ROMe—SMSK

oPA 2t

MOVE UNIBUS DATA TO BUFFER

CHNG MSK AND CLR DMA ATT:

DMA

MASK

CHNG MSK AND CLR

5 AND CLEAR

DMA

BUFFER
IDLE

MOVE UNIBUS DATA TO BUFFER

BYTE OFST

ATT

MOVE UNIBUS DATA TO

BYTE oFsv

(B¢.A2.A.,A.6)=I4

SET MASK BIT 3 AND CLEAR

Se@

[

ls
g

(MF3)

UNIBUS DATA TO BUFFER

CHNG MSK AND CLR DMA ATT:
DPA

SET MASK BIT 4 AND CLEAR

CHNG MSK AND CLR DMA ATT!

OMA

603

MOVE UNIBUS DATA TO BUFFER

DPA 3@«—REC

(B@.AZ.ALA@)—3

003

DPA 23 33&-BUS AD + |

BO.A2 ALAZ) =16

REC D2

ATTENTION

CHANGE MSK

DPA ¢} — REC

DMA

CHNG MSKAND CLR DMA ATT:

BUFFER

ATT

DPA 11 €——REC

MOVE UNIBUS DATA TO

CLEAR

CLR OWA

CHNG MSK AND CLR DMA ATT:

MSK ROMé—SMSK 2
.

AND STORE iN BOP
CLR

SET

DMA ATT

MOVE BxafléustITA T0
CHNC MSK AND

ATT

BUFFER

604

\
2

ATTD CLEA

612

SET MASK BIT 4 AND CLEAR

MASKBIT

&—SMSKQ@

623
INCREMENT UNIBUS ADDRESS

UNIBUS DATA TO BUFFER

6d2

MOVE

ROM

[

DPA 28«—REC D'

(Bg.A2.ALLAG)

(B9 A2 ALAD) =2

DPA ¢0 «——REC

MSK ROM ¢— SMSk

CHNG MSK AND CLR DMA ATT:

DPA 12€¢—REC DO

MOVE UNIBUS DATA TO

MSK:

MSK

(Bg. A2,AL AQ)=I2

635
i

CHNG

(B9.A2.A1.AQ) =5

(2]

DPA 21¢———REC D &

DMA ATT:

CHNG MSK AND CLR DMA ATT;
MSK ROM
¢— SMSK |

A DMA
J

UNIBUS DATA TO BUFFER

2l
ggfgu_o%%sn 2 AN

SET MASK BIT
MOVE

(MF3)

MOVE UNIBUS DATA TO

DMA ATT

| AND CLEAR

ATT

MOVE UNIBUS DATA TO BUFFER

\’<> ahid (BG. A2, AL AG)=lI
TRT WRT>

eir
BYTE oFsST

DMA

OFST

SET MASK BIT

6SEGT MASKoMABIT| 6aTTC
AND CLEAR
-

(B8.A2 ALAD=1B

SET MASK

BYTE

TRANSFER

CHANGE MsK
MSK ROM€—SMSK

CNG STATE SND SSYN

610

BO.
A2 AL AQ)) =17

JCO0E

STORE UNIBUS ADDRESS

BIT

=IQ

e-s | 1%

START SBI

SYNC

MASK

MOVE UNIBUS DATA TO BUFFER

CHANGE STATE AND SENC

BSTATE
«—

SET

UNIBUS ADDRESSA
2, Al AQD

(BR
A2 ALAD)

(

IDLE
(MF
1)

AKLPUACK P-1688

Tov:

(MF1)
283

DW780-

BRANCH ON BYTLE OFST AND

SLAVE

(

A2, ALAB)=7

(BO.

SIZE

DMA Al
C
::_-)

bis

(MFD)

003

(MF4)
TITLE

SCALE

UBA

MICRO FLOWS
JSHEET
. &

oOF 27

SIZE

€

NUMBER

|plrolow780-0-5
ost.|

[

]

|[ ]

“THIS DRAWING AND SPECIFICATIONS, MEREIN, ARE THE
TY
CORPORATION

-9.98zmapdq]
2|

OF iTEMS WT
by
RMISSION.
CoPYRGHT ) £] 7 ) DIGITAL EQUIPMENT CORPORATIONTM

1/o DATOB UNIBUS DATOB VIA BOP TO

DATOB- UNIBUS DATOB VIA BDP TO

SBI J/O ADDRESS SPACE.

MF1)

SBI I/O ADDRESS SPACE
MF1

DMA A2

DMA

BRANCH ON umiBusS ADD (A1)
CHANGE STATE AND

BRANCH
ON UNIBUS ADDRESS (A 1,A%)

SEND

CHANGE STATE AND

SLAVE SYNC
STORE UNIBUS ADDRESS

CHNG STATE

SND SSYN:

CHNG STATE

BSTATE w1
BFNL

SEND

SLAVE SYNC
STORE UMBUS ADDRESS

SND

SSYN:

BSTATE @—I

w—}

BFNC @—|

DPA 23, 33 <— BUS AD

DPA

23,33 «—BUS AD

BR(Al) 567

BRQ@L AP) 5N

Al=g

567

(a,adk
g

SET MASK BITS (iL AND
CLEAR DMA

SET MASK BIT § AND CLEAR

ATT

MOVE UNIBUS DATA TO BUFFER

ATT
DATA

TO BUFFER

CHNG MSK AND CLR DMA ATT:

MSK ROM «@— SMSK 1, ¢
DPA @9, I ~— REC D
-

DMA
MOVE UNIBUS

Rom REC DI P
I «e——
DPA MSR

(a1, a1
s

(MF 1)

SET MASK BITS

SETMASK BIT | AND

093

DMA ATT

‘

2,3

CHNG MASK AND CLR DMA ATT:

MOVE UNIBUS DATA TO BUFFER
START SBI TRANSFER
CHANGE

MSK ROM
~e— SMSK ¢
DPA I =—REC DI

MSK:

MSK ROM<é—— SMSK 3,2

DPA

26,36 <—

REC D

CLEAR

MOVE UNIBUS DATA TO BUFFER

(aLAg)2

573

SUMFLR

; Al= |

[okDbowz86-¢-5 | | 1

570

SETMASK BIT2 AND CLEAR
DMA

CHNG MASK AND CLR DMA ATT;

(H€e]

MSK ROM~o— SMSK 2

OPA 2¢ =—REC D¢
(ai,a9) 3

560

o =]

(w3

ATT

MOVE UNIBUS DATA TO BUFFER

SET MASK BIT 3
MOVE UNIBUS DATA TO BUFFER

START

SBI

CHANGE

TRANSFER

MSK:

MSK ROM =—— SMSK
3

DPA 39 =—REC

IDLE

(wF 3)
56¢

REVISIONS

CHK

CHANGE NO.
]

| REV.
i

CPIF5)
TTiE

SCALE

UBA MICRO FLOWS
A—F

[sneer

oF 27

SIZEICOD

NUMBER

|pEplow7so-0-5
ost.| 1 ]

[

]

[

8
PROPERTY

DIGITAL

EQUNPWMENT

O Y AR A5 TP DA 8 The
CF ITEMS
COPYRIGHT

CORFORATION

]

Igmmemogglz[

AND

PERMISION,
DIGITAL EQUIPMENT CORPORATION"

BUFFER DATA PATH TO SBI WERITE
(NO BYTE DPST)

/65

iMF3)

SBI COMMAND TRANSFERPED

162
FEQUEST SBI

Bus I8-4_pP pAM
DPPE (CATCH

MWS =

88 (CNFS1:8)) 166

8P cack)

ENF(1:
@) =B
( NR)

Ack=g

MAALO

DPLNEL

(MF6.7 8)

No ReSPONSE
- REPEAT

S&r

141

DPPE

MWS =

map LO_

CLEARED

T
16/

(MFT)

@/u

BoPrweD>

8us 18~ pp BAM

wWD2

Bus I8€2-DP gAM
EN

SBI EEQFF=<ET(8)

CNF

gy ‘=

(1:8)=2

/70

S8BT REQ FF
= CLRD (1)

BRANCH ON DATA TRANSFER

sh
BUS I8 ~——DF RAM
NDove LareH

(MFT

)

EXT FUNC=

BoPAWDL

¢ "’”;_6)

Pxss>

(MFG)

- 162

)

175

ACK

FOP (AST WD BECENED

LLR

MASK AND STATE

eEPEAT

S8I REQ
EN

CHANGE MASK AND STRTE.

FOR

DF PRR!ITY £R

BSTATE <—g
8 FNC=<—— &
CLE MASK

BR ( EXT FUNC) 16/

ACK NOT RECEIVED

AcK=/

TEST

Bus 18€“—pP gam
EN DPPE cATCH
MWS= MAP LO

PEq £n

2u3

DPPE

2AM

CATCH

MWS = MAP LO

o (ExT Tunc) 1ef
2

Dre=|

BOPXW.

EXT FUNC =]

(M)

80P w

8us T8~2—DpP gam

77
ENABLE
Ve

ERROR CONFIEMATION

CATO

162

DPPE =/
STATUS
Rr—

176

817

CLEAR OPA TO IDLE STATE
BELEASE ME LATCH

o
B

CLEAR DMA ATIENTION

ENABLE COMMAND ERROR

EN MAP STAT

OPA - IDLER

STATUS 8Ir

CLE

MEB

HWI GATE

MWS = MAP LO

(MF1)

AREPEACE M1000

owct

‘

(MFT)

(MFG)

DPPE =@

CNF ¢1:@)=3 (ERR)
177
V.

MAP PARITY ERROR

EoPLWEr>

161
SOPLN,

SBT TeansFEE OID NoT

(/"77) B K«
Io

BUSY - BREPEAT

Drée=g

]

BR (EXT FUunc) 161

pce=d

(83Y.

88 (DTE) 164

cATCH

we) 162

COMMAND TIMEOUT

DPPE

MWS="mAP LO

EXT FUNC
= |

CNF{IBy=l(AcK)

BE (EXT FUNC)

— —

S8 Req EN

ge (are

RECEINED

REPEAT

MWS = MAPLO

/64

FOE WDZ

cAToH

163

172

ACK
PECEIVED

ON ACK FoR

EXT Fune= |

ENABLE DP PARITY ELR CATCH
DPE

172

)

. MWS
= MAP LO

EXT FUNC=
_

WD!

Bu3 TB<2 pP £am

8K (EXT FUNC)

WAIT FOR S8I EBEQ FF 7o

FOP

BRANCH

CATCH

EXT FUNC=

EXTENDED WEITE

ACK

EEQA EN

;

162

BuUS ITB€—DP L£AM

(BDPXN2T>

/73

GoPLNET

EXT FUNC=

B2 (EXT FUNG) 101

CONTINUE

B8us r8<Zpp £AmM
MWS = MAP (O

MWS = MAPLO

BRANCH oN ACK FOR WDI

BUS*L DP PAM
-

ENABLE
DP PREITY FER CATCH

ACK-

BRANCH ON CONFIRMATION

BEANCH
ON EXTENDED FUNC
SBI BEQ

167

(MFT)

P¢3

wo.Taev

. l

TITLE

(MFB6)

UBA MICRO FLOW

SCALE

/£

" [sweEr

OF 27

ISIZE

- NUMBER

DI|FD|DW78D-0-5"
osv. |

[ 1|

IEV

]

(MF@,7,8)

88T COMMAND TEANSFELEED

8u3 I8 =2—1DP gAM

WRITE LONG

BDP8

DPPRPE ¢cATCH

WEITE

EN DPPE

MWNS = MfiPLO

MWS = MAPLO

BUS I8=—DP RAM

BuS

I8 =—pDP R2AM

LONG

CATCH

MWS =

(MF&,7,8 24, 25)

MARFP LO
CNFCI:@)
=

FOE

PREQ FF

DPPE

BPANCH ON

BE (EXT FUNC) i6 /

EXT FUNC= &

EXT FUNC =]

MWS = MAP LO

DPXi

BRANCH ON DATA

PEQ FF =CLED (1)

TEANSFEF

202

ENF
I 85=2 (8SY)

Bus I8 <f—ppPp eam

286

¢ATO

8USY-

MAP

MwS*

37TAT

MAP LO

BR (Mic STRTE) 21]

(BDP WET)
211
CLR

OPA TO

CLR

DMmMA

PELEASE

OPA

IoLe A

MIC STATE=|

CLR

DMA ATT

CLE

MR HI GATE

DPPE

BELEASE

B2 (EXT FUNC) 16l
EXT FUNC=&

MP LATCH

0P8 =—TDLE B

(MmFT)

CLE

BLPXNET > (MFG)
162

CNF(I:@)=3 /g2R)

207

793

CONFIRMATION

ENABLE COMMAND

8TATUS
EN

(MF24)

ERBOE

MAREPLAGE P-1800

GATE

B8S5=/) (INHIBIT DMA ATT)

EXT FUNC=!

2:1p

CLR OPB To TDLE STATE

CATCH

(MF7)

(PRG CMPLT)

8us 18<4-pp £AM

| rev.
i

LATCH

MWS* MAP

REVISIONS

STATE

(MF])
@03

EEPEAT

$BT REQ
EN

CHANGE
NO.

!DLE

ATTENTION

174,175

PLACE

PARITY EPPOR

88 (ACK) 174

SBI TRANSFEE DD NoT

MAP

CLE

MAPLO

MIWNS =

DTE= 1

TiMEQUT O

BTE -=—— |

CONFIRMATION

@
DreE=
TAKE

8 FUNC =—&

BUS I8 <2—ppP pam

MAP LO

COMMAND

16}

WD/

CATCH

202

STATE
.

MIC STATE<@E

BEANCH ON ACK Fog

B2 (DTE)

MAK AND

BATATE —@

205
ALK

MWS =

CHNG

(ack)

Bus I8 =2-pP pam
DPPE

(MFT)

ENRBLE

BDPLWE

fMF(a‘)

B2 ( SBI £€a FF) 200

ENF
(1 :g>=1

MiC STATE

O “FINISH" SEQUENCE

MAP LO

DPPE CATCH

2@/

STATE, FUNC AND MASK

CATCH

WEITE:

S8ET BTE BIT AND CLERAR

Bus I8<2-pr pam

CLEARRED

SBL PEQ FF = GET (&)

7O 8B

Rea EN

Bus TB=2—pp gam
EN

EREOL DURING BUFFER

BESPONSE- EEPEART

MWS =

WAIT

218

204

209

(weregeg) -

BE(ENEI:8)) 204

D lpw
7 80605 | |1

220

BRANCH ON CLONFIEMATION

16/

BDPA

2¢3

(MF8)

(Borwep

g—o_—@_mszmo]cgglz']'

EEBEOR

BIT

(¢XTER

@ CMF7)
2:®

(MF7)
SIZEJCOO

TITLE

UBA MICRO FLOW
SCALE

vy~

_[sHEET
g of 27

REV.

NUMBER

D [FD|DW?Z80-0-5
ost. ]

[

]

“THIS DRAWNGE AND SPICTCATIONS, HERER, AN THR

PROPERYY

OIGITAL

EQUMMENT

CORPORATION

]

AND

IL.J S-0-08.M0[04q] 2 |

SHALL NOT 8§ RIPRODUCIED OR COPMID OR USED IN WHOLE

¢ PART AS THE BASIS FOR THE MANUFACTURE OR SALE

OF ITEMS
COPYRIGHT

WRITTEN PERMISION,
CIGITAL EQUPMENT CORPORATIONTM

BUFFER DATA
WITH
D

PATH TO SBI WPRITE

BYTE OFST

(MF3)

224

BDP WP

S8I

BEANCH

217

Eeq EN

8us I8~4—pP pam
EN DPPE
MWS=

ACK~ CONTINUE

CONFIEMATION

BRANCH ON ACK FOR WD/

8US 18- pp rAM

MWS = MRPLO

ENABLE DP PABITY EEE CATCH

—_

Bus I8<4- pP eam

2fQuesT SBT
BEANCH TO EXTENDED FUNC
SBI

COMMAND TEANSFEEREY]

CATCH

MW3 = MAPLO
82

CNFCLI@Y = @ (NR)

ACK=g

27¢

MAPLO

A ETL

No ZESPONSE- REPEAT

(MFT)
229

(MF8)

m
c

(AL

300
)

;I,

3¢/

B8P (EXT FUNC) 220
EXT FUNC
= &8

cacd)

B8 (NI
35 273

S8I

Req

BuS

DPPE

c¢ATCH

VPR

ACKTM

ACK FOR WDI

EECEIVED

8EANCH ON ACK FOR
£AMm

8us

MWNS T MAPLS

wWD2

MBS 1o

—

FOR

ND!

NOT

BECEIVED

2EPEAT

18 «2—pp eam

MNS =

ACK

S8T

Peq EN

8us

IB€=-DpP

22 (AC’K) 262

DPPE

RAM

CATeH

MWS = MAPLO

Be (&£xT Func) 220
8€ (e« Func) 220

WRITE

WaIiT FOR SBL

TO BE
ENABLE

EWRTL

PEQ FF

DP PARITY EPR CATCH

DPPE

SWETX

cATCH

NECIS@)y=2

(8SY

:‘DAT

T8 ==
pp pAM

DPPE

S8T

RECEINVE

ACK

ecq

8uS

CLE

MASK

MWS =
(DTE)

MASK

AND

MAPLO

ExT

Ftne=p

pip nNOT

FOR

DPA

@ pe—TMPITE &

DP FARITY

CNF(1:@)=3

MSK

DP pa2iTY

(eeR)

273

ENABLE

STAT

COMMAND

STATUS

MWS
= MAPLO

<=—8gMSE

,z’,ms

REVISIONS

¢ATCH

MAP Lo

BE(EXT FUNC

DPPE

8WETX

(MF'S)
22

NO EREPORS

BIT

SraT

CLR

OFA

CLR

DMA

TO IDLE

STATE

ATTENTION

RELEASE MR

OPA

81T

CXTR

«——

LATCH

TDLE

cLR

DMA ATT

CLER

(MET)

GATE

(MF1)

2:1®

(MFE)

083

2/19

Trev.

(MF8)

'
TITLE

ZEXOL

UBA MICRO FLOW

220

EXT FUNCw]

344

z
=F

CMET)

EBBoR

(MF7)

MWS

EeR

MWS = mAPLO

cianceno

TB<*Dpr eam
DPPE

82 (DFPE) 334

ENABLE STATUS

EREOE CONFIRMATION

CATO

EER

345

TIMEOU08
T

CLB MSK

(MF7)

22!

PLACE

8us TB<A_pp pam

]

8us

TEST

@ 22¢

MAP_PARITY ERROE

S8T 2cG EN

SET

CHNG MASK AND STATE'

82 (EXT FUNC)

223

8IT

EXT FUNC=/

MAP

REPEAT

TR €Z-pp 2am

DTE =
TRANSFEE

FOR LAST WD BECEIVED

MOVE TMPSTE TO BUFFEE

EN DPPE cATCH

CATCH

EWETL

R
NOT

8uUsSY
- PEPEAT

TEANSFE

Bus

362
ACK

MWNS = MAPLO

)

COMMAND

5By

S8 REQFF=CLRD(!)

TAKE

AcCK=d

(ZZF,S)

CNE

222

SBI

EXT FONC=
g~

/';’;;)

263

272

owerl

8weTX

>—

SBT PEQFF
< SETIP)

NCH

EXT FUNC=/

221

8€ ($8T BEQFF)22)

PSR

EATFONCZE

ENF (11@>=] (AcK)

MWS = MAPLO
—

(MF8)

Bus TB =2 —pp gam
EN

2720

EXT FUNC =/

CLEARED

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2

NUMBER

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PERMISSION.

19 7 7 OWGITAL EQUIPMENT CORPORATIONTM

UNIBUS TO BDP TO

READ

SBI

4386
COMMAND

417

TRANSFERRED

SBI

READ

SBI

(

MWS

MF9,13)
BOP

MAP

READ

BR{CNF {i0))44 9

I/0

ADDRESS

LATCH

NO RESPONSE

(B8US

AD>

SBI REQ

MAP

449

RAM

D)2

BR(SBI /O PG) 444

oAl

LATCH HI 16 BITS OF

SPACE

NFG:O) =@

619

MF1)

RORTINE

IF TI/HIS READ és TO THE

MFL13

LATCH«—MRH

BDP

\],

BRANCH TO I/0

BRANCH ON CONFIRMATION

MAP

(BDP 1S EMPTY)

(BDP IS EMPT?

BUS

MWS

I/o

WAIT

LATCH &M H

LO
T

FAIL

{BUS

AD)

(MF12)

MEMORY ADDRESS RANGE
BRANCH ON READ DATA
RECEIVED OR READ DATA

BITS

“18

REPEAT

= MAP

SBI

RAM

READ
.

SAFE
(:‘3"")

LOADFOR BDP READ
A

LOAD

CNF C1i )=
-

OPA:

—

1B EN UMD

CNTR

B2 WAT
L

ENABLE

CONFIRMATION

CLR OPA

OP CODE«—BDP READ

CLR

CLR CNTR

DRDRCVD, RDFAIL SAFE = &
LATCH

447

OPA¢—IDLEA

CLR

432
SBI

SBI REQ EN

MWS = MAP

STILL WAITING

GATE

FRS

BUSY

SBI

433

REQ

450

BROSEI REQ FF) 433

_?43

ERROR CONFIRMATION

©Te

DTE

XFER

435

STAT

AR REVD

ap2

—

UNIBUS

BYTE

(5 12)

ADDRESS

OFF SET

l§s

BR(B®.A2,Al) 46
¢

BRANCH ON
AND
CLR
FRS

BYTE

=
a

READ DATA RECEIVED

ap2

UNIBUS XFER

EN
CATO
MWS =
MAP LO

45!

452

(MF12)

DTE= @&

SOPRNS
ABORT

DRDRCVD,
RD FAIL SAFE = 3

NO COMMAND TRANSFER
ENABLE STATUS
BITS
AND ABORT

DRDRCVD, RD FAIL SAFE = 2

FRS

fers

TRANSFER

MWS
= MAP LO

BRANCH

CXTER

435

UNIBUS

DRDRCVYD

AND

MAP

UNIBUS

433

LO
BR(DTE)

ABORT

(MF9)

REQ FF=I (CLRD)

BRANCH ON DATA TRANSFER
MWS = MAP

B0 WAT

1:9)=3

AND

SBI

ABORT

CLR

CNF

447

)

FAILSAFE

NO READ DATA RECEIVED

MW
=
S
MAP

WAIT FOR SBT REQ FF
TO BE CLEARED

DRDRCVD, RD

DRDRCVD, RD FAIL SAFE = |

CONFIRMATION

REPEAT

434

RD
|
BR

442

MWS = MAPLO

CNFLig) =2

MFPD

BR(DRDRCVD,RD FAIL SAFE) 447

433

ACK

MIC STATE «— @

REQUEST

(MF93)

‘

.NO- 0P

ULL

UNIBUS ADDRESS

Euand

OFF SET

DRDRCVD
= RD |

LBR(BG. A2 A1)

46¢

DBPR
ABORT

MEM
BRANCH

(MF12)
492

MF1
BR—46 0

: cr-x%

REVISIONS
CHANGE NG

(mMF9)

I| REV.
—

;

SIZE
UBA

C rosm

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MICRO

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NUMBER

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AAGOUCHD OBTHECOMID
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MF9

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l '

{

DOUT EN

453

SSYN

)

/VDTE‘W

FOR THESE CASES, THE L85 TRAYSH?T7ED

A READ MABSKE COMMPBND INSTEAD OF SN

EXTENDED FEHD COMMAND. (LOGIC LS

MOVE RDI TO BDP

DOUT«—RD! (I, 7)

on vcak).

DPA 00,10,29,30 «—RDI

SSYN

BE. A2 Al =1

46l

MOVYE RDI

DOUT

454

BYTE 2AND
3 TO

SSYN

MOVE

RD2

BDP

SET BNE BIT (BFNC

DOUTe«—RDI (3,2)

CLEARED IN THIS STATE BUT

WE DON'T CARE SINCEIT
WAS @ TO BEGIN WITH)

SSYN

DPA Q1,121
31 «—RD2

BG.A2,Al =2

462

CHANGE STATE:

BSTATE
¢— |

MOVE RDI BYTE
DOUT

g AND | TO | =%

SSYN

EN SSYN 9

DOUT¢—RDI(,

156

MQVE

BR.AA AI =3

DPA

BDP

@1,11,21,31

CHANGE STATE:

MOVE RDI BYTE 2ZAND3 T0 | x

DOUT

RDI

SET BNE BIT

463

«—RDI

BSTATEe—1

EN SSYN

EN
SSYN
CHANGE STATE.

BO.A2.AI=4

MF 1)
ll

REFETODMF16)

[

625

MOVE RDI

(

B STATE «—g

464

”

DOUTe«—RDI (3,2)

BYTE

IAND 2

372

g;UUTT E“RDS.S(;N”

MOVE RDI TO BDP

DPA

SSYN-

00,10,20,39 «—RDI

[

(MF12)

CNPLT

BO.A2 AI=S

279

BYTE
3

LO DOUT (LOwW BYTE)

LO DOUT+—RDI
BO,A2,Al

EN SSYN
"

M
BYTE

DOUT

AND 2

SSYN

»*

u%s oRooulrazLchwas;?E)
LO DOUT

)
MOVE RDI TO BDP

457

CLR

SET %NE

(BYTE

CLR BNE BIT

DOUTe—RDI (2,1)

BG'AZ'A‘:S;?

BYTE @ TO

HI DOUTe—RD
2 (@)

MOVE RDI

RD 2

HI DOUT (I BYTE) EN SYNN

(3)

= 6

466

MOVE

465
MOVE RDI

INUMBE|

OFFSET

MOVE RDI BYTE @ ANDI TO

Bd. A2.AIl=¢

460

BYTE

[Bkdlow 7 890 ‘0ST

MIREIN, AN THE

BNE

MOVE RD2 TO BDP

OFFSET)

(BYTE

BIT

DPA @1 112l 32

s«LEESOEPf CARE SINCE IT

CHANGE STATE:
Je—BSTATE

‘WAS & TO BEGIN WITH AND
SHOULD BE ZERO
DPA

Ol Il

RDI(3)

BSTATE e— |

B STATE —|1
INC

21 32€—RD2

CHANGE STATE:

CHANGE STATE
AD

OFFSET)

melestcn{sz BUT

455-

COMPLETE. CLR OPA TO
IDLE STATE,

CLR DMA ATT AND MR HI

LR DMRA'HAITI;ATE
4 ATE

CLR

(M)

MR~

OPA ¢—IDLE A

592

[

RED)

IOLE > gp3
WNMLAN P-1648

(MF19)

NUMBER

TM UBA MICRO FLOWS

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ok 27

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“THIS DRAWINE AND TPECIFICATIONS,
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PROPERTY
OF DIGITAL BEQUIPAENT CORPORATION AND

}

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SHALL NOT BE ASPRODUCED OR COPHID OR USED M WHOLS

OR IN PAAT AS THE BASIS FOR THE MANUFACTURE OR SALS

OF ITEMS

VRITTEN PERMISSION.

|9?7WMWWM

(mFig)
REA
D

592

INCREMENT

UB ADDRESS AND

LOAD INTO
PUT

BUF AD

COMMAND

BUF ADD STORE

BRANCH

STORE

ONTO

BUS AD

529

TRANSFERRED

CLR

ON CONFIRMATION
WAP

STRe— AD+

DSS
= SHIFT

(NFl: @) =@

BUS AD A
_ BUFF ADD STR

J,
RESPONSE

LATCH HI 6 BITS OF

S8 REQ EN

MR LATCH ¢—MR HI {BUS AD)

MAP

RAM

LOAD OPA FOR BDP READ
COUNTER FOR

UMD

CNTR

ENABLE

CNTR

MFII)

ZND )
Gd%

SBI REQ EN

[

AsggT

(r:;lzz)

SBI

REQ

MWS

= MAP LO

506
SBI

REQ

CLR

N
e

(MF11)
STATUS

506

EN SSYN

RCVYD

RDI(Q)

EN SSYN
CLR
DADRCYD

{

DRDRCVD,
RD FAIL SAFE = 3
523

READ DATA

RETURNED

MOV E (RDI BYTE

DOUT(HI BYTE).EN SSYN
CLR DIRECT RD
RCVD

CXTER

HIDOUT¢— RD
I

EN SSYN

p—

XFER

CLEARED

= MAP LO
SBI

DIRECT

HIDOUT e

BR(SBL

RETURNED

DOUT (HI BYTE)

ENABLE

DATA

MOVE RDI BYTE & TO HI

L
515

READ

BI1S AND ABORT UNIBUS

ABORT UNIBUS TRANSFER

CNFQIiDD =3

= MAP LO

NO RD RETURNED

‘

522

ERROR

221

BUSY—REPEAT

—

MWS

CLR DRD RCVD

GATE

51 4

“—

REQUEST § BI

WAIT FOR

CLR DIRECT RD RCVD

CNF {igd>=2

505

MWS

SAFE

DRDRCVD.RD FAIL SAFE = 2

g:’CCSOTDAETE:Bg READ

CLR

(MFID)
M

OPB
¢— IDLE B
CLR

FAIL

DRDRCVYD:
RD FAIL SAFE = |

LATCH

TIMEOUT

OPA-

IB EN

DRDRCVD.
RD

[

ACK—CLR OPB, CLR

LOAD

BR(DRDRCVD,
RO FAIL SAFE) 52
¢

WAIT

513

CLR

—REPEAT

CNFG:9) = |

504

FRS= RDI

512
NO

FAIL SAFE

CLR MR HI GATE

’

s0s

LATCH

READ DATA

opa:A

WAIT FOR'RD RETURN

BRENFCIES) 512

BUF ADD

LOAD

511

Z
L

(@)

CLR DRDRCVD

)‘e
|

REQ FF)5906

REQ FF=@

SET

5¢7
SBI REQ FF=I (CCRD
BRANCH ON DATA TRANSFER

4()2)

(MF12

437

CLR OPA TO IDLE
OPA «— IDLEA

MWS = MAP LO

Q
A

LOAD

BR(DTE) 510
DTE=]

518

DTE=g2

NO COMMAND TRANSFER
ENABLE STATUS BITS

—_

ABORT UNIBUS X FER

MAP

CATO

(MFI®)

402

STAT

MWS
= MAP LO

BDPR
ABORT
Mgz
492

;

REVISIONS

jlox|
K

;

ociuneeno

[rev

(MF11)

REV,

TMUBA MICRO FLOWS

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SCALE

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oF 27

[

]

WINE AND IPICIFICATIONS, HIREN, ARE THl
DIGITAL BQUWPMENT CORPORATION AND
REPACDUCED OR COPMID OR UMD N WHOLE

‘AR

et—

[ G -0 08ZMafd]

I IXS

2 |

THE BASIS FOR THE MANUFACTURE
OR SALE
WRITTEN PERMISTION.

LQUIPMENT CORPORATION"

(MF9)

(mF 9,11,12)

1/0

B8DPR

WAIT

ABORT

402

I/0 ADDRESS RANGE
- wAIT

CLR OPB TO IDLE

FOR READ DATA RETURMN

OR. READ DATA EA\LSAFE

oPB -L- IDLEB

NO -OP

Sie

BR (DRDRCVD, RD FAILSAFE)
473

CLR MR LATCH

WAIT FOR MSYN TO BE

DRORCVD, RD FAILSAFE - @

473

CLR DIRECT RD RCVD

RELEASED (SSYN TIMEOUT

“

M
i
TO THE
UNIBUS
DEVICE )

o-oP ne

STILL WAIT!

CLR DRO RCVD

CLR MR HI GATE

LBR (DRDRCVD, RD FAILSAFE) 473

B8R (MSYN RLSD) 516

MSYN RLSD = g

DRORCVD, RD FAILSAFE = |

474

517

NO READ DATA RETUANFD
ABORY

]

MSYN RLSD = |
TRANSFER

ABORTED

CLR

A‘I"T'

CLR OPA TO IOLE STATE

UNIBUS TRANS FER

NO -OP

DMA

OPA =— TDLEA

CLR

BOPR

DMA ATT

aBort > (MFR)

DRDRCVD,
RD FAILSAFE = 2

41S
READ DATA RETURNED

CLR DIRECT RD RCVD
BRANCH ON ADDRESS 81T Al

{mE1)
oP3

CLR DRD RCVD

BR (Al) 356
DRDRCVD, RD FAILSAFE « 3

416

ToFow 758051~ |

1
READ DATA RETURMED
CLR DIRECT RD RCVD

BRANCH ON ADDRESS BIT Al
CLR DRD RCVO

[fi—-\ Al
BR (A1) 256

356

}

MOVE RDI BYTE @ AND
1
TO DOUT - EN SSYN

ENSSYN

Al=}

SET BNE BIT

MOVE RD1 10 BDP

MOVE RDI BYTE Z AND 3

TO DOUT
¢ EN SSYN

357

L]l

OPA @@ , 1@, 266,38 «— RDI

CLR BNE BIT

CHANGE STATE :

DOUT —a— RDI ( 3,2)

DOUT == RDI(1,0)

ssmIe~—1

EN SSYN
CHANGE STATE :

BSTATE =g

/
BOP R

CMPLT

(mF19)

——r andil P.1884

455

}

TITLE

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UBA MICRO FLOWS

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NUMBER

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T

mfl?‘flm"m‘.
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UB-BDP-5BJ

—

WITH

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2|

N
—

READ

PREFETCH

PENDING FOR

READ

DATA

ANOTHER BDF.

MF1

(oma &1 )

s31
'

8YTE DFFSET

MovE

WAIT FOR PREFETCH READ

DATA RETURN OR READ DATA

SET BAE BIT

FAVL SAFE.

TMPSTR
= DPA §TRD) 3,2

FRS = RO\
BSS = BDP

LEFTOYER BYTE TO

TMPSTR

CHANGE STATE
STORED

(5TRD)

BSTATE = |

BR (PFRDRCUD, RO FAILSAFE) S24
s32
MOVE

PFRDRCUD,RD

_FAIL SAFE :@

RD2

BDP

DPA (STRD) 9), 1l, 21, 32 =—RD2

524

STILL WAITING

533

FRS =RDI

MOVE

BSS = BDP STORED

LEFTOVER BYTE TO

80P

[ BR (PFRDRCUD, RD FAIL SAFE) 524

:"AT;” Wi 168ITS OF

MAP

DPA (5TRD 3/ = TMPSTR

PERDRCUD, RDFAIL SAFE=1

MR LATCH = MR H (BUS AD

525
NO READ DATA RETURNED

LATCH

16 BITS

MAP RAM

MR LATCH= MR H (Bus AD)

BDP

[

<on

PFRDRCUD,
RD FAILSAFE=2

526

READ

reap > MT9)

(mFq)
431

Dlow 780- 0 5[]}

‘l’

READ DATA RETURWED
MOVE RUI TG BDP

BRANCH

ON BYTE

OFFSET

DPA STRD) 88, 14, 2@ 3d
= ROI
CLRS

PFRD

RCUD)

] BR BTRD BYTE OFST) 530
PFRDRCUDIRD

FAILSAFE
33

527

READ DATA RETURNED
MOVE RDI TO BDP
BRANCH ON BYTE OFFSET

PFRD

[

OPA (STRD) ¢, /@ 2@ 3@ —=— RDI

@wRs

RcuD)

[BR(3TRU BYTE OFS} 53&
STRD BYTE OFST

538

NG BYTE OFFSET
MOVE RD2 TO B8DP

SET

BNE 8IT

GOTO UB —=BDP—= SB| READ

OPA (STRD &), i, 21,31~ /D2
CHANGE STATE §TRD
BSTATE
»— |
BFNC —=—g

DMA

8¢
MmEe

STRD BYTE OFsT =

MAREMADE P 1060

~ME13

TITLE

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UBA MICRO FLOWS
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Tsneer /€

oF 27

NUMBER

fl-EV.

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ost.]

[

WINE AND SPECIFICA
MEAMIIN,
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ANl THE
AL

SQUPMENT

CORFORATION AND

RFRCOU
OR COPHID OR USED
CED
IN WHOLE

BASIS FOR THE MAMUFACTU
OR SALE
RE
WRITTIN PRRMISEION.

DINTAL BQUIPMENT CORFORATION"

UNIBUS TO BDP TO SBI READ
WITH

PREFETCH

PENDING

FOR

READ

THE

STRD BYTE OFST =@

DATA

SAME

5490

BDP

(ue1)

o FOR PR
FOR

DATA RETURN

FRS

CHR

PREFETCH

FAIL SAFE

RDT

DOUT.

(oma B3)

WAIT

MOYE

BYTE

@ AND

DOQUTe—RD!I (I,
@

STRD

BYTE

OFST=
|

MOVE

OR RD

EN SSYN'.

EN SSYN

READ

RDI BYTE

)

232

@ T0O

MOVE

.HI DOUT (HT BYTE)
_

RDI

HDOUT¢—RDI
BR(PFRDRCV
D, RD FAILSAFE) 534
A

PFRDRCVD.
RD FAIL SAFE = @

534

MOVE LEFT

WAITING

fRS

RODI

RD2

BDP

SET

BNE

DPA

@I II, 2, 31l «—RD 2

(2)

BIT

CHANGE
STATE!
BSTATE
¢
1

OVER BYTE FROM

BFNC &g

ink s il DOUT (Low BYTE)

STILL

54 4

LO DOUT—DPA 32

SSYN

FRS

RD2

BR(PFRDRCVD,RD FAILSAFE)534
A

RDRCYD.RD FAIL
VD.RD

FAIL

SAFE

335

SAFE

MOVE READ DATA 2 TOBDP

545

SET BNE BIT

NO READ DATA RETURNED
ABORT UNIBUS TRANSFER
WAIT FOR MSYN TO BE
RELEASED

DPA QLIL2I,
32 ¢— RD2
CHANGE STATE:
B STATE
|
BoTaTE—"

UNIBUS

DEVICE (SSYN

TIME OUT)

NO — OP

)

| BR(MSYN RLSD) 546
MSYN

READ DATA

RETURNED

MOVE

RDI

T ERETROEYTE ofsT) s4¢

237

543

COMPLETE

547

FER

CLR

DMA

ATT

TBR MSYN RLSD 546

LMSYN RLSD = |
TRANS

IDLE

ABORTED

CLR DMA ATT

READ DATA RETURNED
MOVE RDI TO BDP
BRANCH ON BYTLE OFFSET

DPA

=
=

NO—OP

zi':“c:go: :;;; o:rser
Loy

5546

STILL WAITING

BDP

PFRDRCVD, RD FAIL SAFE

RLSD

536

FAILSAFE =2

-1

[BFY Dw 78 0- -5

BFRDRCVD.
RD

MF1
003

@0, 10,28, 3F«-RDI.

[BR(STRD BYTE OFST)54
@
(mF1)
P93
S

CHANGE
NO.

| Rev.

TITLE

(mFi1e)

1ZEICO0D

NUMBER

sl $o1 S0

SCALE

{sHERY

OF 27

ost.!

it
e
oo

“THIS DRAWING AMD SPECFICATIONS,
MEREN, ANL THE
PROPERTY OF DIGITAL BQUIPMENT CORPORATION AND
UMD IX WVAMOLE
SHALL NOT 8 REPRODUCED OR COPYED

P € 19 77 DOTAL IS COMCRATION®

DMA

l
THRU

DATI

SBI

MEMORY

ADDRESS

(MF1)

MF I
DMA €2

FROM

BDP

MOVE WORD |

TO UNIBUS

FROM BDP

082,18

CLK

MOVE

2d,

SSYN

AVAILABLE

WORD

FROM

DOUT «— DPA

21,
I

CLK

BDP

MFI

DMA C5

DMA C7

DPA

SSYN

CLK

(MF |
DNA €3

MOVE

DOUT—

g27
SECOND

WORO(BYTE OFS
FROM BDP TO UKIBUS

18, 20

DOUTe— DPA

BDR

025

-y

THE

MOVE FIRST WORD(BYTE OFST)
FROM BDP TO UNIBUS

CLK

[

d24
|

SSYN

UNIBUS

DOUT+—DPA

SSYN

DATA

UNIBUS

DOUTe«—DPA

}

TRANSFERS-WITH

(oma ct)

P21

MF1)

MOVE WORD @

UNIBUS

DMA C&

029

ARE

3g, @1

SSYN
PB

DOUT«—DPA

CLK-

MOVE FQURTH WORDSBYTE ofFsT)}
FROM BDP TO UNIBUS

31,00

SSYN

PB CLK

629
FOR A DP

PARITY ERROR

COND CLR DNA ATT

DMA C8 THRU C15 ARE UNIBUS DATI TO A

B?)((T;P_B_) 621
B=1

621

TXPB

SBI I/0 ADDRESS TRANSFERS WITH DATA
AVAILABLE IN THE BDP

= &

622

NO PARITY ERROR

SET

NO—

DPPE

LAT(H
€— MR

COMPLETE
P

TBRTTR)

BR(IR)

{MFI)

PARITY ERROR
DP PARITY ERROR

039

STAT

MOVE WORD O

FROM

DOUT «—DPA
EN

@4,

SSYN

EN PB CLK

623

SET BTE FOR BDP

(MF1)

BDP

UNIBUS

CHANGE STATE
BTE e

)

CLR

DMA ATT

CLR

(

MF1i)

Bktow 786-0-51 " 1 T

TEST

GATE

231

{

MOVE WORD| FROM BDP
TO

UNIBUS

DOUT «— DPA 22,32

EN SSYN

(MF1)

@03

Oar)

932

DMA

(MFI1)

@33

—]

DMA

935

SAME AS

[

—>

SAME AS

(LK

[

{viFi)

P34

SAME AS

DMA

]

SAME AS

(mrF1)

]

e37

DMA

]

(MF1)

SAME

DMA

]

WARIOLASE P-)849%

REVISIONS

CHANGENO.

| Rev.

(MFI15)

TITLE

a.‘

2€

UBA MICRO FLOWS

[

]

SCALE

Fpe

[sweer

NUMBER

|pFplow?8p-0-5
Jost.]

[

]

AIAGORICED OB, COPED G (3 W1 WhiLE

)

SASH FOR THE WAMFACTU
OR RE
SALR

9 77 DIGITAL RQUIPWENT CORPORATION®

BDP PREFETCH

#26

MOVE THIRD WORD (BYTE OFST)

FROM BDP TO UNIBUS
CLR
BNE BIT

PRUT
R oPA 2l

(MED)

CLK

CHANGE STATE:

BSTATE«—
@

631
MOVE WORD
3 (LfiST) FROM

BOP TO

CLR BNE

LUNIBUS
BIT

MWS

uT Q——DPH a1, 31

[ A0 TAC &n

£28

START

THEN

€33 \l,
WAIT

MAP

BR(SBI REQ FF)633

SET
SET

MAP

PAR ER

CHANGE STATE

BSTAT
¢—
E |

BYTE
AND DATA
BYTE AND DATA

PARITY

PATH
PATH

]

LATCH HI

BITS

MAP RAM

EN BTEe—1
DPPE STAT

COUNTER

DIE=Z

646

(MF1)

FOR TIMEOU
T

UMD

I
RESPONCE
REQ

MWS

anEST S BT
EN

TXPB

632

CLR

DMA ATT

TMPSTR

OPB «— IDLE B

642

ACK

CONFIRMATION

NOTE

1),

MOVE

.
DPAGTRD)3!
=

¢ TMPSTR

RD1

’

v NBUSY CONFIRMATIO

p—

SEQUENCE COMPLETE

OPA
«— IDLE A

MAP LO

SBI REQ EN

10
"

MWS = MAP LO

CNF<"¢“:3

sBI REQ FF=@(se7| PREBI REQFF) 635

ERR CONFIRMATION

ABORT

(MFI1)

SEQUENCE

P03

CLR MR HI GATE

$BI REQ FF=1(CLRD)

NOTE I,

CLR DMA ATT

(MFI16)
636

OPB «— IDLE 8
[

THE HARDWARE SETS THE

PREFE TCH READ DATA REQUIRED

FLIP FLOP (UCBM PREF CMND L)

WHEN
THE

ACK

RECEIVED

PREFETCH

DURING

SEQUENCE.

RD
2

[

BDP

1-9)
=
CNF(.ozqsz

MWS

':gve LEFTOVER BYTE
:

REPEAT

WAIT FOR SBL REQFF
BE CLEARE

RD2

DPASST
@1,11, 21,32
RDY
«—

SEQUENCE

OPB «— IDLE

635

MAP LO

COMPLETE

BRSBI REQ FF

DPA {STRD)
32

154

CLR MR HI GATE
CLR DMA ATT

MWS = MAP LO

BYTE

fRS
= RD2

FRS

TXPB = |

Tnev

MR HI GATE

REPEAT

PATH PARITY ERROR

REVISIONS

SEQUENCE

CLR

LEFT OVER

T0 TMPSTR

Lo
TRGTORE

DATA

COMPLETE

641

SEL

MOVE

ERROR

CNFLI:0> =g

645

MAPLO

632

OFFSET)

BRENF(I:@))641

MR LATCH ¢— MR H {BUS AD)
CLR CNTR

REQ

(m rn)

—

MWS =

CNTR
ENABLE
OP CODE «— PREFETCH

HWS

PREFETCH READ DATA RECEIVED(BYTE

READ COMMAND TRANSFERED

LOAD OPA:
EN

DTE
=

ERROR

CHANGE STATE

PREFETCH

BIT

DPA(STRD) @, 19, 2@, 38¢—RD |

BRDTE) G 45

LOAD OPA FOR

ABFRADE P-1088

636
'

BI REQ FF=1(CLRD)

627

ovrce
v

BRANCH ON DATA TRANSFER

MWS

SET BNE

PRFCH

MAPLO

634

BUS AD <A BUFF ADD STR

SBI

BDP

MOVE RDI TO BOP

FOR SBI REQ FF

NEW ADD

LOAD OFB

1563

SBL REQFF=2(sET)

SBI REQ FF =g (SET)
Y

BUFF ADD STR¢—AD +|

CLR

RD2

DPASSTROD®I, 11,21,
«—— RD
31
2

)

70 BE CLEARED

MWS

PREFETCH SEQUENCE
INCREMENT UNIBUS ADD
AND

MOVE

STATE:

BSTATE
€— @

14"

ERROR

SBI REQ FF=1(cLRD) | BREBIREQFF)633

EN 23ek

CHANGE

= MAP

NO BYTE
gE OFFSET)
'

v
PARITY.

PREFETCH READ DATA RECEIVED

[CEDbow 76-0-5] ] .T

(MF1Q)

(Paersrca

SCALE yfm—mpd-

{snweey /7

ofF 27

(mF16)

om,![[[l][[‘

]

8
“THIS ORAWING

AMD

}

| [T 5-3-08ZMa[dq)
2|

SPECTRICATIONS,
HEREWN, AME THE

PROPERTYY
OF DIGITAL FQUIPMENT CORPORATION AND

SHMALL |

R N P,
OF ITEMS
COPYRIGHT

REPRODUCED
OR COPAID OR USED IN WHERLE

THE BASIS FOR THME MAMUFACTURE
OR SALE

WRITTEN PERMISSION.
19 7 7 DIGITAL EQUIPMENT CORPORATIONTM

DIRECT

DATA PATH

TO S8I

DRDRCVD, RD FAIL SAFE = @

READ

{MF1,19)

364

(oma 09)
024
LOAD OPA FOR DIRECT
PATH

—_

DATA

WAITING

MWS

FRS =

RDI

MAP LO
BR

CNFGI

8536 5

BR DRDRCVD RD

365

372

SBI REQ EN

IBEN UMD

MWS =

ENABLE
DDP

53 WATSMFI?

o>t
CNFQ:2> =1
566

MWS

MAP

36!

WAIT FOR SB8T

(D@

REQ FF

TO BE CLEARED
=

MAP

]

wWaAT)
@0

CONFIRMATION
- REPE AT

REqQ

ON DATA

= MAP

TRANS FER

ENABLE

)

355

READ DATA RETURNED

ENABLE INTERLOCK FF

BRANCH ON UNIBUS ADDCAID
FRS

CNFLI:@>
=3 (ERR)

SET

ENABLE

BR(UB Al)

SYN

RLSD
=

[CLR

OPA TO IDLE STATE

CLR

COUNTER

CLR READ DATA

RECEIVED

OPA «— IDLEA

CLR

CLR RD RCYD

=RD I

INTLK

MSYN RLSD'=.g

374

BR(MSYN RLSDY35
4

375

DRDRCVD,RD FAILSAFE
=3

3
—

CNTR

375

2190
SET
EN

CLR

]

CONFIRMATION

STATUS

BIT

CXTR

CNTR

375

BR(DTE)363

Al=g

376

Al =

MOVE HI I6 BITS OF RD!

ENABLE SLAVE

DOUT

SYNC

DOUT
&— RD I LO

MOVE LO 16 BITS OF RD
|
TO

DTE =1
363

CLR DMA ATT

CLR
MR HI GATE
CBlég=C‘NTR

RDI

SET

R{UBAI)

BUSY

MR LAT
C H

fv'}.TTC:JRR MSYN TO BE

LB {

(MF17)

SBI REQ FF =CLRD(1)

BRANCH

FRS

DMA ATTENTION

RELEASE

INTLK

<51
MWsS

CLR

BRANCH ON UNIBUS ADD{A)

(BSY

367

COMPLETION:

ENABLE INTERL OCK FF

)

(8sv)

ERROR

362

’

>0F WATS 3¢|

BR(SBI REQ FF) 36

MWS

(

354

FAILSAFE=2

373

BR(ORDRCVD, RD FAIL SAFE) 371

SBI REQ FF=SET ()

DRDRCVD, RD

MFI7
CNFU

MWS

[

(e
(ACK

ACK: WAIT FOR RD RECVD

NO-oOP

361

CNTR

—

UNIBUS TIME OUT

FUNC

SBI REQ EN

READ DATA TIME OUT OR

MR LATCH&
MR HCBUS AD>

FAILSAFE=371

DRDRCVD.RD FAIL SAFE=|

NO RESPONSE - REPEAT

LOAD OPAL

CLR

OP CODE&—

STILL

o ':”;RR"‘:OR IME OUT

CNTR

S71.

BRANCH ON CONFIRMATION

FUNCTION

READ COMMAND TRANSFERRED

(;;'_2

DOUT

| O

SYNC

T@)

DOUTe«—RD! HI

SSYN

E:=a

SSYN

DTE=¢

NO COMMAND

TRANSFER

MASTER SYNC RELEASED
OR
MAP PARITY
ERROR

—

commAND
R TiME OUT
ENABLE
EN

MAP

—

STAT

CATO

MWS = MAP LO

”

A
A

‘

REVISIONS

cuanceno.

[rev

TITLE
SCALE

UBAMICRO FLOWS
77

[sueer 78

ofF 27

(mF17)

REV.

NUMBER

SIZEKDOD

|plFplpw780-0-5
ost.[

DIRECT

DATA

PATH

(MF1

DMA DI

(oma 03)

406

6a7

CNTR

DIRECT

_
SAME

FUNCTION.

FOR

AS STATE

TIMEOUT

DTE=g

ENABLE

ERROR

BITS

EN CATD
‘

EINWS“-A-PMiLA{O

BR(CNFI: DK 07
_

—

CNFQ:
@) (NR)

UMD

BUS IB L O2-REC D

HI DISABLE

MWS

ENABLE

OP CODE «—

DDP

MAPLO

BR(UB Al) 351

FUNC

(MF18)

CNTR

Q0P WRL> 351

MR LATCH€¢—MR H (BUS AD)

377

fiiiflfifi’o:«sfifi.aus ADD<AL)
_

REQ

CNFO @) =3

UBAI=¢g

REQ FF

BE CLEARED

UMIBUS

DATA GOES

OF SBI

403

UNIBUS DATA

GOES

BiTS

MWS =

)

WRITE

ON ACK

DATA

y
BUS IB LO—REC

)

> 351

ACK =1

RESPONSE

= MAP

413
LO_

ACK=¢

NO ACK FOR
REPEAT

SBI

REQ EN
P

BUS IB
MWS
=

WRITE

LO
€—REC
MAP
LO

DATA

| BR(SBI

(

REQFF)

)

353

ON DATA TRANSFER

352
_

403

[

WAIT FOR SBI REQ
TO BE CLEARED

(35'|)
MF18

BUS IB HI¢—REC D
=

FOR

BR(ACK) 413

CONFIRMATION

BRANCH

SBI

MAP LO

ACK

CXTER

MWS

REPEAT

MAP LO

SBI REQ FF=SET(2)
BRANCH

BUS I8 LO ¢2~ REC

BUS IB HI<A_RECD
=

MAP LO
BR(UB AI)351

(ERR

ERROR

351

412

___l

‘L

RESPONSE

REQ

MWS =

UB Al
= 1

]

BUS IB LO <A-REC

BR(UB AI) 351

BITS

(B5Y)

SBI

(oop WRT)

WAIT FOR SBL

CnFlnd=2

BUSY

BUS IB LO A RECD

352

(ACK)

MF18

MWS = MAP

CNFO: =1

" o

MUX

CNTR

MWS

[BEd DW780- o-51" 11

MWS

407

I8 EN

HI 16

[ S-0-082Maja4q]

COMMAND NOT TRANSFERRED

MWS = MAP LO

RAM

SBI

| .o

405

CONFIRMATION

BUS IB LOCA-REC D

@05
e

LATCH HI 16 BITS OF MAP

CLR

MAP

BUS IB LO «2— REC D

ENABLE INTERLOCK

MWS

FLIP FLOP

BR(DTE)4
0 5

MAP

414

ACK RECEIVED

SEND

BR(SBI REQFF)403

SBI REQFF = SET

404

(@)

CLR

ON DATA

TRANSER

BUSIB LO <A REC D

416

MWS = MAP LO

CLR_OPA TO IDLE STATE

ENABLE

MR HI GATE
>¥
€

SBI_REQ FF = CLRD (1)

BRANCH

SLAVE SYNC

SND. SSYN

INTERLOCK FLIP FLOP

MSYN

RCSD=|

SEQUENCE

WAIT FOR MSYN TO BE

- :E'-?SEIDG —

LR
CLR

OPAe—IDLE A

BR(DTE) 49 5

N EEEE—

COMPLETE

CLR

FOR

PATH

_LDTE =

SBI COMMAND TRANSFERRED
BRANCH

005
DATA

SBI WRITE

MFI

LOAD OPA

MR
HI
GA
DMA ATT

8B5S
= 1

BR{MSYN RLSD) 415

MSYN

RLSD

MAREPLACE P.108%

(MF1)
003
CHANGE
NO.

| mev.

TME

UBA MICRO FLOWS

SCALE p—v—

[sHeer
/9

of 27

(mF18)
NUMBER

1ZEjcood

[plolow780-0-5
ost. |

[

1T 1

]

|[ TS0 08Zmaadq] 2 |
ATS

oo}z

“THIS DRAWING AND SPECEICATIONS,
HEREWN, ARE THE

PROPERTY OF DIGITAL EQUIPMENT CORFORATION AND

SHALL NOT 3 REPRODUCED OR COPHID OR USED IN WHOLE

OR IN PART AS THE BASIS FOR THE MANUFACTURE OR SALE

OF TTEMS W1

WRITTEN PEUMISSION.

COPYRIGMT ) |9 7 7 DIGITAL EQUIPMENT CORFORATICN®

STORE READ DATA OR WAIT

FOR

AND

STORE READ DATA THEN GO TO

READ

DDP TO SBI

(omMAa D2)
206

BRANCH

424

STATE

BSS = DP ADD <STORE)

FRS=READ

DATA

OFFSET

STORE READ DATA

READ DATA IN PROGRESS

STRD BYTE

NO BYTE

OFST =g

STRD BYTE

OFST =|

BYTE OFFSET

':'ngMTPsgigRARY BUFFER

DPACTAD 9L2 RD 2

TMPSTRe—DPA{STRD) 32

426

427

425

eyPN

BR(PFRDRCYQ RDFS)
42 @
Y

)

PFRDRCVD,RDFS

SET BNE BIT FOR

= &

CHANGE

429

(DPASSTRDY)

BSTATEe— i
CLR

BSS
= DP

ADC{STORED

PFRDRCYD,

PFRDRCVD,RDFS = |

(MF17)

42|

BDP

DATA

FAIL SAFE

READ

DATA

NOT

RECEIVED

NO-OPGO
READ

DDP

MOVE

DMA

D@2

TMP STR

BDP

DPA STRD)3! €— TMPSTR

CHANGE STATE (DPAGTRD)
BSTATE«—
i

CLR

[

TEMPORARY

439
SET BNE BIT FOR BDP

p@a

READ

AND

DPASTRD) &1L, 21, 32e—RD 2

RD RCYD

FRS = READ DATA | %
{BR( DRCVD, RDFS) 429

MOVE READ DATA 2 TO

BUFFER

BNF ( e—¢&

WALT

STATE

BDP

BFNC
e
Bo
REVD

MFi7)
204

PFRDRCVD,RDFS = 2

422

PREFETCH READ DATA

RECEIVED.
STORE READ DATA

(MFI7)

004

—
O
!

AND

BRANCH ON STORE BYTE

p&?

OFFSE T

DPACSTRD) 99.12,22, 38« RD |

BR(GTRD BYTE OFST) 424

=z
|O

)

Ll
20

PFRDRCV
RDFS
D,
= 3

PREFETCH READ DATA
RECEIVED
STORE READ DATA
|
AND

BRANCH ON STORED
BYTE
OFFSET

—

DPA

STRD

—

3¢ —RD|

BR(STRD BYTE OFST) 424

REVISIONS

jlemx|

onanceno.

[ Rrev.

TITLE

UBA MICRO FLOWS

SCALE

77—

[

[sueer 2@

oF 27

SIZE

MFI9

REV.

NUMBER

|plrpl ow780-0-5
ost.]

[

| [

] S-0_08/Majdq 2 |

ONETAL SQUIPMENT CORFORATION®

BRRVYR

SEND

BRRVR

RAM

FOR

SEND ZERO READ DATA

MFE!

REAR

vae!

LOAD OPA FOR RERO RD
CLR COUNTER FoR

]

BSS
UMD

SBI

REQ

S
S8/ RE@

és

233

TMPSTR =— DPAY

S8/ REQ FF= SET(Z)

254

COMPLETE

CLR OPA

IDLE

STATE

WAS

CLR

FOR

lBR(OPAD.D(J:z)ZGI

DrE=ds

S
_DP ADDL3: 2=
26/

ACK

Ack =&

CLR BRRVR

262

BRRVR

MOV _TMPSTR TO BRRVR 5§
—
DPA @ 22,32
TMPSTR

_FuLl BIT

OPA
PA =— / /1DLE

CLR

DPADD L2y =

AcKs !

READ DATA RECEIVED
CLR OPA TO I1DLE STATE
CLR
COUNTER

TMPSTR

DPA & &2,/2 ~— TMPSTR

8R acp;) 2454

#3,/3

BrRRVA

HAD:=2

253

TRANSFERRED

Vo- om

7o TMPSTR

BRRYR
MNUMBER
85:‘5_/?;2 ON THAT

SELECT TMPSTR AND

FERRED

MovE

MOVE GRRVR

’

.
0P ADD £3:2)=
2

CMTR

7 TO

MOVE

TMPSTR

|DLE

UB ATT

245

ON BRRVR

FULL

o—or

CLR

BR(@BRRVR

247

(MF7)

LOAD OPA FOR TMPSTR

023

BRRVR FuLL
=- | fuLe)

246

CLR COUNTER FOR TIMEOUT

LOAD OPA:
Fod

LOAD O
:

:De ZzAafz UMDBLE

INC CMTR

ENABLE

INC

OP CODE =— RD MSKa
&
-

CLR CNTR

INTR.

[ CLR SB ATT

BRRVR

275

TR RLSD =

276

TMPSTR

DPA @ 23,33 ~— TMPSTR

INTR RLSD=/

l CLR U8B ATT

wMD

MoV

FuLL

BRONTRRLSD

257

be mur DisABLE

DISA

BRRVR

RULL)

LOAD OPA FOR RERO RD

CLR COUNTER FOR TIMEOUT

NEGATED

246

BRRVR FULL= &

BRRVR

264

TEST THAT UNIBUS

BRAMCH

= TMPSTR

0P ADDL312>:3

2725

CNTR

TMRSTR

DPAG B3,/

TMPSTR =— DPAJ 23 33

w—

AND

DTE =/

DATA

vecrom

244

7
i::RrA TTE
’DL:”W

OPA

sTorRe

SELECT

’

OP ADDL3:2y =3

S8/ REQ FF 2 cLRD (1)

INSTRUCTION

=
SET

LAD*2,

MOVE BRRVR

855 = REG ADD

L2 ADD(32p=2

BR 58/ REQ
FF) 232

v
243

.
FF=

BR (DTE.j

TEST

No-oP

DATA

$8B| RE® FF

3 o

S8 REQ FF= cLRD (i)

2¢o
FE

NO—OP

22,32

IDLE

CNTR

TmpsTr

252

MOVE BRRVR 5 TO TMPSTR

TO BE CLEARED

REQ

)

TMPSTR =—DPA @

wAIT FOR

READ DATA FAILED
CLR OPA TO /DLE STATE

TMPSTR

TBR7<ATATS

242

ATT

CLEARED

8us 18 =4

DP ADD
{ 3:2)=1

232

BRAMNCYH

HlI DOUT = &

CLR

SELECT

CLR

OPA w—

TMPSTR

STATE

255

251

TMPSTR =— DRPAJ &2,/2

Dour

I1OLE

0 18 f_:; MPSTR

24/

S8/

DOUT - &

S8/ REQ

241

AMD LO DOUT

TMPSTR = REC D

CMTR

WAIT FOR S8/

MOVE BRRVR 4

CLA

sa/

SELECT TMPSTR

DP ADD(3
20 =g
:

MSA~Z

l
REGUEST

REQUEST

BR(OP ADDL3:2))

CNTR

BERG

7TO

N CATR ENABLE

STORE

VECTOR

TRANSEFER

258

TMPSTR

= REG ADD

MUx DISABLE

23/

NI BUA

NO DATA

SER OPA

OPA - |DLE

VALUE

OPA:

CP CODE =—RD

SELECT BRRVR NUMBER
AND BRANCH ON THAT

TIMEQUT

CLR

vec s

EMABLE

DATA

ME!
:

MOV

READ

OATA

MF/

(vsc
& )

VECTOR

VECTOR. FOR

SEND STORED BRRVR

UNIBUS MASTER = DATA IN TIMEQUT

LOAD

SEND

UNIBUS

Dow780-0-5] ] 1

BRRVR

SEMD

]

CATR ENABLE

OP CODE
=~ RD

CLR _CNTR

MSK =@

MARESPRALE F.188R

IIN.

(').33’)

MF2e)

1ZEICODE

]

)

SCALE

NUMBER

UBA MICRO FLOWS

DIFD|DW780- 0 -5

%rl

ost.|

[sweer

oF 27

TTTT

MASTER DATI
EETURN

Urni1BUS

6 8iTS FOR

Bra W

[

[G-0-087MI[0Iq) 2 |

MASTER DATT BTN Ng

DATA 1IN UPPRER

READ

EeTURN UNIBUS DATA !IN LOWESR

DATA

/e B8iTS FOR

(2220 N LONER 1& 8ITS)
)

E2EARAD DATA

(2ERD IN UPPER It 8ITS)
(MF1)

( UC‘BZ)

(UBC.?

)

LORD

©PA

CLR

CouNTER

FoE UN/BUS 2D

LOAD OPQ FOL UNIBUS BD

FoRTimEOUT

CLR

LORD OFPA:

COUMTER FOR TIMEOUT

LOAD COPA.

MUA B DISABLE

DP MUX

E=ENABLE UMD

T8 ENABLE

CNTE

ENABRLE

CNTR

OP CODE
< RD MSK=P8
LR eNTR

UNIBUS DATA TN

STOLE

DOUT AND LO TOuUT

;L
UANIBUS DATA IN

HI DouvT AND (O DOUT

Esquest S8BT

HT DOUT, LO DouT
<« £EC D

HZ DOUT, LO DOUT
€< gecD
S8BT

CNTR

237

UMD

ENABLE

OP CODE <« 2D MSK

CLR

234
STORE

DISABLE

EReq EN

Bus T8 <2 Pecc D (SHFT 2)

265
LEQUEST

S8BT

BuS I8 =<£ gz D

S8BT geq EN

IOl oow 780-0-5 | | 1

235
WRIT FOR BEQ FF

70 B® CLEAED
A

266

BUS IB «— REC D (SHFT 2)

BE (SBT BEQFF)235

SRL PEQFF=3ET(E)

236
TRANSFER

CLR

8L BEQFF =0LRD (1)

COMPLETE

WAIT FOR S8BT REQ FF TO
(CLEALED

8us 182 recD

OPA TO TDLE STATE

BE (S8BT EEQFF) 246

0PA < IDLE

S8I REQFF=SET
(B)

LR onNTR

cLR

U8B

267

ATT
-

SBT PEQ FF= ¢LRD (1)

TRANSFER

COMPLETE

CLR OFPA 7O IDLE STATE

CLE

@®

OPA «—TDLE

CNTR

cLe UB ATT

(MF1)
623

(MF!)

LE]

WANEPSAS 70844

(MF21)
TITLE

1ZE

UBA MICRO FLOW

scale #——+

[smeer

NUMBER

DIFD|DW780-0-5

22
0F 27 Jost] | ] ]

[

}

)

"YW
DRAWINE AND SPECIMCATIONE, MEREW, ARE THE
PROPERTY OF DMITAL IQUIPMENY CORPORATION AND
SHALL NOT M REPRODUCID Ot COPMID OR USED IN WAOLE

QR IN PART AS THE SALS FOR THE MANURACTURE OR SAMA

BT @

CRTAL R

CCRPRATIN®

DPR _READ
UAT

BEAD

IF DPRP —>SEND BEERO

FUBAR, FMER SR, ¢R - ReaD

IF DPRI->/5, SEND CONTENTS

(MF1)

Ga)

COUNTER

FoR

SELECT 833
= Rea ADD

I DP Eecri-ws\!/ Ger oP |

AND

TIME oUT

8S3 = gecr ADD

MUX DISABLE

(DPYB)=]

123

SAI

98T

PEEPAEE

MmMUX

CNTR

No-oP

FoR

LoAD OPA:

SBI

FoR

TIMEOUT

CLE

B8 (S8BT ReqFF) 2!

N, S8BT ReaFF =geT(p)
~

DISABLE

RD MSK=&

INSTEUCTION

DR 4BD <3:2) =g
I

STATE AND MSK

_AD

BUS

OP8:

D33 = 2 (go72)
<

STATE

AND

MaK

S8BT

DP RAM 2 BYTES

(Ro7 2)

(/)

——

OPA:

ENABLE

CNTE

Mov

UMD

ENABLE

]

BRSVR

7
7

]

TMPSTR

o
S

2i,3)

/50

WAIT FOR S8BT REQ FF

OPA:

CLEAEED

e i,‘Zfi?fif— :‘é gf;"

CODE <—RD MSK*@
CLR0P CNTE

23,33

88 (SEI BEQFF)I30)

147

BEQUEST

S8BT BEQ FF=CLED (!

)

—

>3ar BEQFF= L&D (1)

o cow Feere

9S8BT

CLtE o
TO IDLE STA
OPA < TDLE A

cLR S8 ATT

8uS TB < TMPSTR

IDLE
B

/51

S8L REQ EN

(MF))

)

ENTR ENABLE

CLR OFP8

T8 ENRBLE UMD

CLEARED

3BT BEQ FF=SET
(D)

&/,

OPA FoR TMPSTR RD
CLR CNTR FOE TIMEOUT

BUS T8E TPA( 286 ADDY 33,13,

0P8
<

—

TO TMPSTR

LOAD

WARIT FOR S8BT REQ FF

/31

20.3¢

8ss
= 2ec ADD
D3S = 2 (RoT2)

(roT2)

TMPSTE

TMPSTRE<DPA
QY

LQOAD

145

)

LOAD

130

5 To

DPADD (3:2)=3

PEEPARE FOR EOTATE

CL CNTE

2¢3

BESVE

£es

TMPSTR €~ DPA Q@

CLB CNTR Fol- MmEOUT

DF ADp(2:2)v2
144

126

89, /¢

MoV BRSVR (

COMPLETE

(mF1)

TMmPSTR

TMPSTR
<= DFA &

TMPSTR
< DPAD

127

DP ADD (3:2)=]

DPA{REG ADD) #3,18 < 803 AD

88 ArT

MOV BESVR 4 TO

MoV

MOUE

OPA < IDLEA
CLR

_______J

125

Bus I8< DPA (REG ADD)
FF=cLED

B8R (DPADD(3:2))19°

8us AD <A uc8 AD MuX

SBL 2EQ EN

REQ

124, 125

\l,

ONTO

CNTR

2OTATE

SBT

MICRO STATE

883 = RE& ADD

ENRBLE

REQUEST

122

DMS = DP BAM

DP ADDEESS INFORMATION

LOAD

OP CcODE

REQ FF

AND BEANCH ON VALUE

IN DP EAM CuMD).

ENRBLE

ROTATE

SELECT 833= €€ ADD

124

2€q EN

WAIT FOE

CNTR

¢3

SELECT DM3 = DP BAM

—

LOAD AR4 Fre 2200 2D

CLEAR

121

w—y

(0P 2):2

DP BECr ¢ ~ SEND 2ERO ED

\l/

PEQUEST

Msk anp smare 2om on

(e85
)

UCBT AND COMBINE WITH

B8R(DP>Y>p) 123

OP CODE
< gD MSK =g
-

TSTATE TNFoBMATION FEeom

BRANCH ON NON-2ELO

i‘grg;wg::afgr

COMMENT

ADDRESS

LOAD OPA;

(MF1)

(sa2)

LOAD OPA Fof UAT D

CLEAR

BSRVR READ

NGILD

THLE

===

S1ZEJCO0E

UBA MICRO FLOW

SCALE

}

f——rt

[sweer

NUMBER

plFo] ow780-0-5

ost. |

REV.

{

“THIS DRAWING AND SMICIICATIONS, HEREN, ARE THE
PROPERTY OF

}

IMEEE2s
e E]
o

DIGITAL BQUNPMENT CORPORATION AND

SHALL NOT B REPRODUCED OR COPD OR USED N WAHLE
OR N PAAT AS THE BASIS FOR THE MANLFACTURE OR SALE

OF ITEAS

COPYRGNT

WRITTEN PERMISSION.

lg.nnfim.wmrm'

MAP REGISTER READ
(MFI)

(s8¢

BeSVR WRITE

MAP REGISTER WRITE

( s86

$87

(MF1)

)

(MF1)

)

SELECT MAS = REG ADD

8ELECT BSS = REC ADD

STORE MHIGH &b 8i7TS

AND BRANCH ON YALUE

MRP REG

MOVE

134

ME L {2EG ADDY €~ 4DWD

332

i
LOAD OPA FOR MAP RE&
RD

CLR CNTR

DP4 & 29, =20 WD

LOAD OPA

MOV AD WD TO

SELECT

DPA @

335

140

DPA @

WAIT FoB SBI REQ FF
TO BE CLEAEED

330

8@ (S8BT BEQ FF) 1490

SBT 2eq FF =SET (%)

BRSVE?

21,31 €<— AD WD
=

o
|

INSTEUQTION COMPLETE

S8 ATT
A7

ctk

SBL PEQ FF= ¢LRD (1)

‘%‘

INSTRUCTION COMPLETE

CLB OPA TO IDLE STATE
RELEASE

BRSVRG

MoV AD WD TO

Map Lo

(mE
1)

21|
€— AD WD

DPADD(3:2=3

MWS= M5P Lo

\V/

PenuesT S8BT

S8 rReq &N

H ( REG ADD) €— AD WD

CLR SB ATT

p23

334

141

DP ADD (3:2)=2

mMPLO

—

DPA § 28, 3¢ < AD WD
L

/37

MOV AD WD TO BRSVRS

CLR CNTE
MWS= MAP Lo

UPPER 1o BITS

Z WD 70 M AR Ef_& HT

333

CNTE
ENABLE
0P
CODE
< MAP RES RD

MWS=

DP ADD (3:2%=I
UMD

MOVE

MOVE AD WD TO BRSVES

SELECT MR oW

ENARBLE

BITS OF

88 (DP ADD ¢3:2) 332

DP ADD (3:2>=¢

LOWER lo

AD WD TO MAPREG LOW

838 = REG ADD

MBLATEH <— MP H(2c&ADD)D

E_“;-

MR LATCH

(MFI)

OPA<—TDLEA

CLR MR WI GATE

p63

CLE CNTR

CLR SB ATT

_—

(MF1)

SHAEPOAGE 8-1888

REVISIONS

O| CHANGENO.

| Rev.
l

(MF23)

TITLE

ISIZEICOD

UBA MICRO FLOW

===
=

—
7

}

NUMBER

REV.

DIFD| DW780-0-5

A7
wew 24 or27 Jos] [ 1 L L L L L
2
]

| [.T50 euv\oz|

TPR WRITE-

(NO-OP, CLR BTE, Puece OF
CLR BYE

AND

DPR

PUEGE)

{MFI1)

(s8s5

PURGE

BRANCH ON PUPGE BPEQUIEED
(FUNC = WBITE - AND* BDP

)

CONTAINS DATA)

B8SS * EG ADD

8B (PEG RAD) LLG

SELECT 839~ £e6 ADD AND

PeG Pap=@

BEANCH ON NON-ZERO

et7

DPRI

ENRBLE

66l

DETERMINE

NON-OP

CLE

OPERAIION

FOE

BSTATE (8NE)

8uS)

AND

BFNC

CHANGE

STATE

FoR

MAPPING

0P8

8SS =

PEG STE

(+F1)

WRIT FOR
888

CLe

BFNC (REG ADD) <~ &

82 ( RD FAILSAFE) 701
BD FAILSAFE =@ (READ DATA EXPECTED)
702

LATCH

CLR

MEH <BUS ADD

STARTE.

672
LOAD

[

IDLE

£ 3p) =
88T B/T (3/1:3p)=2

SAT 8/7 (3/:30)=3

(mMF1)

503

OPA

FOR

—

ENABLE

MWS <@)

\l/

BTE,

¢CLB

PAL:TY

CLR

203

8TE (REG ADD
) = |

CLR

PEG ACC OK= @ (FAILUEE)

g
S8

CLE

Pueee S (MF2S)
HARMPLARE P 5008

CHANGE
NO.

AITENTION

OPA <" IDLE A

PRG ACE 0K| (Suceesss)

ATT

635

REVISIONS

—~

[

BB (PRG- ACCESS OK) 674

MR LATCH

84s =)

BSTATE ( REG ADD) <&

CENTR

To IDLE STATE

OPE8 «—IDLE 8
CLR ME ML GATE

CHRNGE STATE:

BEG& ADD

OP8

RELEASE

EN MAP 8raT
EN DFPPE STAT

ERLLORS

8ITS

MASK

BSTATE

AND FUNC

(TEST PUBGE ACCESS oK)

MASK

MSK {BEG- ADD YALL <—J

NVAL]

BEANCH ON MAP RAM OR

CLR

CLEAR

MAP BEG PARITY ERE)
SET

CHANGE

ENABLE DP PARITY STATUS BIT

= &

213

DP BAM

E’*{’:B’-g ’;’*PMz;mg:&s; 7S

CLE eNTR

8usS =

umD

pos = oae ADD

BTE (e ADD) =@

8FNC (PEG ADD)

0P CoDE <— PULGE

STATE

BSTATE {PE& ADD>

OFA
:

ENTE

CHANCE

PUPGE

Mie STATE <t

(8NE)

BFNC

CLR CNTE FOR rimEOUT

BSTATE

AND

SELECT LOW Mo BITS OF MAP RAM

LOAD

CLE BTE- GO 70 PURGE

D FAILSAFE =)

2ERAD DATA NOT EXPECTED

8398 = pe& ADD

S8 ATT

ZOomMPLETE

= Fea& ADD
PBPp PcvD

po3

CLR PEAD DATA PECENED

BSTATE ( REG ADD) < &

LOAD

8BDP ACTIVE

MAP RAM

8TE ( PE& ADD) <—
&

CHANGE

NoT ACTIVE

CLR

STOBE HIGH I BITS OF

IoLE

BTE onLY

J) BDPACTIVE =& (NO)

8DP

%7/

SBL BT {3i:3p)=]

%65

BUS AD<2- BuFF ADD ST

S8 ArT

cLe

BR(8DP ACTIVE) 700
BDP ACrivE=] (YES)

BOUTE STOPED ADDERESS (843)

oa3

NO-0P

CHANGE

BSS = REG ADD

ADDLESS

cLR

CATCH

70 MAP (AD

(MF1)

ve3

2P PRRITY ERROE

EN DPPE

BL(S8T 8IT<31:30)) 062

(PREFETCH)

BAS

8BUFF ADD STR < DPA(Res»DD) 28 33

SB ATT

SBL 8iIT{31:30)=¢

CATCH

DP@

883 « Eed AvD

cLe

BBANCH ON BDP ACTIVE

ADDRESY

8BEANCH ON DATA BITS 31,30
TO

PG NOT BEQUIRED

STORED BUFFER

MOVE

(DP > D)=/

REQUIRED

(MF!)

| Rev.
|

(MF24)

o33

MICRO FLOW

D|FD|DW78

TITLE

ECOD

UBA

[

[OFDIDwW 7 80 o-5s [T

B2 (DP>3) 66d
(DP>Zm
&
bb!

PR EQD=! (YES)

PUBCGE

||
=

888 * ReG Anp

(NO)

SCALE

#——F

{

[sHeer

oF 27

ost.|

REV,

TTHES DRAWING ANG SPECFFICATIO
HEREIN, ARE
NS,
THE
PROPERTY OF DIGITAL BQUIPMENT CORPORATION AND

SHALL NOT .8 REPRCDUCED OR COPIED OR USED IM WHIOLE
OR N PART AS THE BASIS FOR THE MANUFACTURE OR IALE

OF TS

COPYRIGNT

WRITTEN PERMISSION.

DIGITAL EQNPMENT CORPORATIONTM

(MF24)

36
32i

BRANCH

¢75
LEQUEST SBT

CONFIEMATION

BBANCH

Bz EN

CNFCII®)Y
= &

320

PEGLWET (rr2e)

(MF2s,2¢)

(WR)

ACK=Z

WAIT FOR

88L 2eq FF

ENF (Ligy =]

¢ 3f2>
1.

@)y=2

$8I

PeGxwerS

(MF25)

(AcK)

82 (DTE) 35

327

CNG MASK AND

CL@

312

ERROE

Bus 18 <f—
1 gam

—

MAP

MWS

S = MAP
=

mMAP

DPPE

CATCH

MWS = MAP 1O

82 (EXT FUNC) 312

EXT FUNC=8

FPEGKW

339

‘\I/

STATUS

]
¢

o
XT

~oL S

;6
2o

(mF26)

FUNC=

(MFZS)

g‘a’

(MF25)
DPPE

338

PABITY ERROES
ENABLE

STATUS

\l,

NO ERRCEPLS:
BIT

CLE

EN DPPE STAT

ENABLE COMMAND EPEOP

SraT

S8T 2eo
£
st IgfiA_D’; 2aM

312

ERROR CONFI@MATION

EN CATO

PBECEIVED

(MF26)

(ERR)

323

NOT

82 (DPPE) 33

£/

PARITY

STATE
:

msSk

(EXT FUNC)

ACK

BFUNC
<~
&

MAPLO
Y,

PGXNED>
ENF{i1:8)=3

226

BSTATE =~

EXT FUNC=&

PLACE
:

ACK=]

CLERE STATE AND MASK
TEST FOR DP AARITY ERR

(CRTCH

$8I TRANSFER DID NOT

MAP

ACK FOZ LAST WD RECEIVED

REQ EN

OPB

8
IDLE

STATE

BELEASE MR LATCH
OPB <=—— TDLE
8

BiT

CLE

EN CXTER

GATE

4@0

(MF1)}

(MF?)

(MF24)
703

2/®

(mF7)

219

“tlox]

;

(MF2s)

3/3

(BSY)

EN DPPE
MWS

COMMAND TIMEOUT

(MF2e)

EXT FUNC=]

Bus I8 ~"- D @AM

MHS = MAPLO

TAKE

ST PUNCEP o amemid>

312

BUSY
- BEPEAT

¢RICH

B8 (EXT FUNC) 312

ENF

5us 18 ~2—op 2arm

MWS = MAP 1O

PREWDL

B8R (EXT Func) 3I3

ON DATA TRANSFER

DPPE

ACK=

SBL BEQFF
= ¢LED (/)

BECEIVED

EN 0 DPPE CATCH

6X We

314

NOT

SBI PEQ EN

B2 (AcK) 326
(ME26)

(MF26)

wWDI

(EXT Func=|

DPPE CATCH

BEANCH

FOE

BUS IB=—"""DP RAM

MWS = marLo

DP EAM

S8BT pEQ FF =SET(P)

ACK

8us 18~2—pp e4m

MWS = MARAPLO

—>1 .

ACK=|

BRANCH ON ACX FOR WD2Z

BL(EXT FUNC) 3)2.
EXT FUNC*=
2

ENABLE DP FREITY ERPR CATCH
2

325

MWNS = MAP LO

creneen

Bus I8

REPEAT

EN DPPE cATCH

EXT FUNC=]

EXTENDED WEITE

324

28 I8i?afNDF eam
8US

sie

(Pecrner)
313

WD/

B8 (Ack)

NO PESPONSE
-

EXT_FUNC=
O

FOR

MWNS = MAPLO

BEUCNFSII@Y)

Bus I8<2—pP gam

ON ACK

Bus TB=A-pp gam

MWNS = MAPLO

BRANCH ON EXTENDED FUNC,
ENABLE DP FREITY ERR CATCH

8us T8 <2 pp pam

: I

=F=

cunct
o,

REV.

TITLE

(MF25)

UBA MICRO FLOW

LT Y ——

[sveer

of 27

1Z2EIC00H

NUMBSER

DIFD|DW780-0-5
ost.] TTT

REV,

[

“ITMME DRAWIE A ICIICATIONE, HEMEN, AR Tl
FROPERTY OF BMITAL IQUPMENT CORFORATION AND

PALL NOT 6

[ T5-0857Rapg) 2|

MPRCDUCED OR COPYID OR LSED N WHOLE

PART AS THE BASH FOR THE MANUFACTUNE GR SALE

"OTAL RARST COORMTION®

344
:

SBT COMMAND TEANSFERRED

(MF25,.26)

BBANCH ON CONFIRMATION

ERTLINET

8us I8 <2-pP gam
MWS
=

312

PUBGE

WPITE

BR (¢NF(I:8)) 345

LONG

CNF(IIS)=3

‘Bus T8 <2-Dp pAM
EN

(NR)

345

DPPE CATCH

MWS =

MARP.LO

No RESPONSE- PEPEAT

MARPLO

88T EEGQ EN

BuS I8 <=DpP gAM

34/

EN DPPE

WAIT FOE

BEQ FF TO

CATCH

(CLEARED

8R (EXT FUNC) 3j2

8us I8 «A— pp gam
EN

DPPE

EXT FUNC=
@

CATCH

(MF26)
312

j( EXT FUNC=]

82557 28§ FF

3BT BEQ FF= SET (B)

242

CHLNETS
,

MWS = MAPLO

—

MWS
= MAP LO

SBI BEQFF= CLED (1)

(w;x-és)

CNFCIIgS
=1 (ACK)

BEANCH ON DATA TRANSFEE

ENABLE

)

ifif gfip‘—ecgfcf‘"”

346

ACK

CONFIRMATION

BRANCH ON ACK FOZ WDI
A

Py (DTE)

MNS

MAPLO

DrE -/

e B

343

88 (ACK) 326

DrE=Q

SBI TEANSFER
TAKE

(mF2s)

DiD NOT

326, 327

PLACE:

COMMAND

TIMEOUT OF

)

MAP PARITY EREOR

ENFCIipyz2

Bus TB <2— pP eam
B

CATO

MAP

—

L_
s

(8SY)

341

7
S

BuSY
- REPEAT

STAT

SBT REQ

MWS
= MAP LO

fle

8us T8 <A—pp gam
EN

DPPE CcATCH

MwS =

MAPLO

88 (EXT FUNC)

EXT FUNC=
2

Q-

@(mno)

EXT FUNC=/
_

PEGXW,

31z

(MF25)

3/3

—
)

ENFS1:8)>23

(ERR)

350

ERROE
ENABLE

CONFIEMATION
COMMAND
Srarus

Al
S

N—

CXTER

@
;

T e

'3\' T

===

EREOR

8IT

(mF1)

219

(MF26)

TTLE

UBA MICROFLOW

SCALE

J——%&

|SHEET
27

OF 27

SIZE

NOMBER

D{FD|DW78D-0
-5
ost. |

[

11T

%g@&ng¥fl2|

“THS DRANING NI SPECIFICATIONS,
MEREIN, ARE THE
PROPERTY OF DIGITAL EQUMPMENT CORPORATION AND SWLL

NOT BE REPRODUCED OR COPIED OR USED I WMOLE OR I8
PART AS THE BASIS FOR THE MANUFACTURE OR SHLE OF
{TEMS WITHOUT WIRITTEN PERMISSIOR.

COPYRIONT @

Chin

DIGITAL EQUIMMENT CORPORMINETM

SEE

NOTE |

/
/

SBI IN

SBY OUT ¢

SET

’

PANEL

;

98I OUT

SBI IN

SBI OUT

;
:

SBI IN

2= 762

RH7ZBD-A

DPTIONAL

T TANES

JZ[}

MS78Q

OPTIONAL

Ji PANEL

D780 -A

MS780-&

57/

;r7[JL

<£7ET-A
‘

78]

J7HJ

1]5:

JB—H

F] .

etT’

A]'s

, 133

59,

qu—‘

Je?TL

{JJi

MC}

MLJ

Jol

—| |34

-2

(]

B’ Ie

—

175

i106

I-

Jig!

Ji2

I|
;

|
)

g <
S
los)
N

SEENOTE 2
TES:

CONT:
[178@-C

SYSTEM

A.
B

KA72OD-A
DW7s0A

SFT

(CONSISTS

I 78@-EK,EM,EN SYSTEM
A. KA780-A
B.DW 780

C. M3 78D
E.

(% M2043)

2 DUMMY PANELS

C.MS780-E

D. RH780-4A

(% 74:8973)

£.RH780

1[178@-D SYSTEM [ONSISTS OF
A.

CONSISTS

F. SFT

KAZD-A

B DWZAA

2.)

C. MSBL

SFT

D. RH7ED-A

FROM

ADJACENT BACKPLANE

ARE ALWAYS

c Xnre

SBI CABLE CONNECTIONS
TO

1700087~ (QUANTITY &)

OTHER SBI CABLES ARE 700087-0.

11780
-£A ,EC,ED SYSTEM
A.XA780-A

CONSISTS

B DW780

C. MS780-E
2

D SFT (*M9043)

KRR

%
|3
MEIIS PR
ISs

N9y

§S§,‘z\ g

W
-

DUMMY

PANELS

7418973)

BACKPLANE

3
.:.

(<) oL
T

Ig?g'_‘i é

HEFIE

DRN. ffipyzx

2wl | FIRST USED OM

ENGZL LT,
wxgm

2 TITLE
g;-b.n

£-DOD-11788-0

SCALE

SHEET

OF
9

iigiltiali]

11732 SUB SISTEM
oo
INTEFCONR,

NEXT HIGHER ASSY.

11780

T e
RNN

)

INTERCCONNEC

PROJ ENG [ 1irf 157 57

lE
RHHERER
I Y3
EE Al
H L
%‘iqi
3¢
—

iECT

SB.I.

SIZE

NUMBER

|IC|I1780-2-3

| oWt

I'T 1T

REV

€

SEE NOTE | —\

SBI IN

38T pUT

BT TN

’J.L

MS780

Al E

a7[

éaz g

D) 780 -A

o &

EJm S

Ji2

Dos

[] bENS

§|

<ege
P n
2|

SBT QuT

<A7SD-A

hrill

| [T

! 1n

(]

E_—

{]JB

[oECLi
178

!éi

NOTES:

) 117730 CUCV SYSTEM CONSISTS OF
A. KA780 A
B. DW78@ A
C MS78@

D TRM (M9QUD) MOUNTED IN
SLOT* | OF MS78¢ BACKPLANE,

THIS SHEET FOR

CU*CV VARIATIONS
ONLY

(BACKPLANE S.B.I. INTERCONNECT
)

ORN. (= . ;.

MARLPEACE P.1800

| FIRST USED ON

(780

NEXT HIGHER ASSY.

]

1178@

SUB

SYSTEM

INTERCONN.

2-DD-11788-@

SIZE

SCALE

DF;IWB@-@-S

SHEET

igiftiali]

TITLE

OF
9

OIST.

[

NUMBER

1T 1T T T

REV.

’

121

£ges121a12]

nmmmm..nm

NOT BE AEMODUCED 08 COPED OR UNED B SEEILE 08 I
PART A3 TVE DASIS FOR TME MANVFACTURE R SALE OF
[TEMS WATHOUT WIKTTEN PERMENESON.
d
DAL INPEEE CORPOMATIN"

505 3BT BID
s

ZaT
SR

BUS

A
3!

BUS

SBI

B20 L

f——«.

BUS

SBI

823

—t<

;:!

—

-2

]

=12

‘—fi;

—<

S02 22
IET 30
3N
BuS 3BI B27

308

BUS 3BT 305
A

BUS CBI 288

U2
BUZ

SE51
3BT

326 L

BUS

SBI

E29

RIS

SEr

SBI

BuS

2id

SBT Bl

C:H
P

4SBT

REQG

;

BUS

SBI

PCLK

—<,

—tC

BUS SBI B25 L

BUS SBI 828 L

BUS

GBI

BUS

SRT MP2

2C SBT MPI

BUS SBL ALERT L

BUS

SBI 330 L

BUS

SBT FAIL L

BUS

SBL B3I

BUS ONFI

=
o

BUS

BUS SBL DEAD L

f—L:

%-1-41/

—

3BI

‘Eg

VS
&

SBI UNIAM L

’

‘f&

BUS

SBL CNFOD

| 5

=
7"

BUS

SBL FAULT

T2
QUS SBI INTLK

BUS SBL TRO| L

BUS SBT TRB3 L

—

BUS SBI MI L

o
»

\_/l

PDCLK

BUS SBI PDCLK L

B2s L

;

) ‘

BUS SBI PDCLK H

SBI 829 L

BUS SBI TP H

REQRS

RS SBL TP L

BUS
77

BUS

AOT 24
s

3SBI

3US SBI

SBL

—,

BUs

BUS SB[ BZ7

BUS

__5

}——-5
i
fl‘ #
—,

REQ4

——-1-(;

—
e 4
o

9BI REQ7 L

SBI

BUS
©

BUS

BUS SBI B22 L

3zI

‘/\"

—e

., 38I
o 322
BuS
BJ8

BUS SBL TRAZ L

)

{; 50

BUS

SEI B4

BUS

=
2RI Si5 L

—<,

BUS BL 3o L

BUS <&l =i/ L
BUS

<BI BIS

BUS SEL 2.3 _

e
T

,—5’

}

2&T

SBL

0 L

BUS

BUS SBI SPARE @

{‘;

BUS SBI <PARC |

a—

BUS SBI TAXQ
RS SBL

BUS SBI TOO

—

BUS

-3

TROS5

BUS SBT TRB7 L
BUS SBI TRAS8 L

1([/?

lle

i?é
%\/)’

5
.

BUS

SBI TRIO

—C.

BUS

SBI

7RIl

4“?“—‘(

BUS SBL TRI3

‘

Bus

SBL

TRIZ

BUS

SBI TR4

—C

IRV

BUS

SBL

IDZ

yf;

BuS

SBI ID3

BUS SBL ID4

BUS SBI TRIS L

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73@ SUB-SYSTEM
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(F)
[H]

FF<D

FFe=JK

(K]

MAGN
TRIG

DUAL,EDGE

LATCH

JDRN 1

GATE,4=2IN
TTL TRNSLTR
LINE

ICHK’D$

D HERLEY

IDES,ENG?
}
-

J<GRADY

l
{

IDATEt

!
l

IDATES

—— |
}

I0ATE!
}

{
IDATEt
|
!

J,GRADY

M,TEFELLA

IPATE?

IASSEMBLY NUMBER}

E4,E18,E47,E60,E72

E63,E79
E40,E74

E22,E51,E99,E122
ES2/E53,E56
E92,E105,F132,E133
E35,E7S

E14S

E98,E101,E102,E126

E23/,E64
CONT

Et1,E2,E1%,E16,E44,E45,E57,E58,
E790,E83,ES84,E96,E97,E118

E143

E129,E113
£E120,E121,E122

—

E30,E31,E32,E33

W/CLEAR

K,FRIEDGEN

ES,E{19,E48

ADDER«4BIT BINARY FU
HEX

4
3

8BIT

EG65,E74,E119

E34/,E61

COUNTER,SYNZHR,4BIT

IMFG,EYG,$

P [M)

TRIGG

E3,E6,E17,E20,E46,E49,E59,E62,

2
2

DUAL,FDGE

COMPARATOR,4BIT

!
JRESP,ENG,!
}
—
i

[J]

CONT
1

PARITY

{
-]

}SECTION,VARIATION INPEX

!
!
!
!
!
!
!

M8278

LATCH

LS283

1911398=0¢
1911415=0¢

Ete8

27<SEPe79

27«SEP=T79

1Dl

1161

{
ITITLE

e l

e | o |
!
PARTS LIST

}

!
$

—

|
{

UsI

{

IITLIALILLY

!
{

@7«SEP=79
|
la

!
DOCUMENT NUMBER
|
ISIZEJCODE] NUMBER
!
$
!

@7«SEP=79

@7<SEP«79

PL
| M8270-p~DBP

!
| P
:
L TOP DOCUMENT NUMBER}
| FILE NAME}

|DeUA=ME270wp=p

|B=DD=M8270-p=0
=

MB270,PLS

!
!

!
-l
!
-}
REV
|
H

COPIED

USED

———t

—

WHOLE

PART

THE

COPYRTGHT

—

BASIS

(C)

FOR

1979,

THE

MANUFACTURE

DIGITAL

‘

SALE

ITEMS

IEDIT -#}

_:_

EQUIPMENT CORPORATION

-l

WITHOUT

WRITTEN

l'—"rms DRAWING AND SPECIFICATIONS HERFIN, ARE THE PROPERTY OF DIGITAL EQUIPMENT CORPORATION AND SHALL NOT BE RE®PRODUCED
i

CieC?

RUFFER,TRI=STA

748257

REFERENCE DESIGNATOR

OCTAL

Jee=|

DeMD=5712967=¢=¢

LIST

748241

VENG}

NUMRER

}

PART

}

NUMRER

}

)

DOCUMENT

PARTS

|
}

PRILST,3L(3r)

PERMISSION,

;

:
!

AUTOMRTED BY
LINE

ITEM

29
30

29
L1

PRILST,3L(3*)

PARTS

DQCUMENT NUMRER

PART

323

37
38
39
40

1
8

1912388=0¢

74522

NOR GATE=QUAD 2IN,PQ

74508

AND GATE=QUAD 2IN,PO

1912389=04

NAND GATE=TRIPLE 3IN
AND GATE-TRIPLE 3INP
NAND GATE=DUAL 4INPU

7
4
8

a8
39
49

1912542=0¢
1910544=0¢
1910547 =29
191198309

74564
74574
748112
743133

1912125090

748135

A=O=I GATE 4=2=3e
FFe=D DUAL,EDGE TRIGG
FFeJK DUAL,EDGE TRIG
NAND GATE-POSITIVE |

1
4
5
5

44
45
46

1911676=00
1919546=50

1913340=0¢

1911675=2y

MUX

§ OF

HEX

748175

FF=D

QUAD

1910957=22

NOTES

191274600
930922401
121071102

J——

SPARE LUCATIONS

}
|

)

!
|

ITITLE
|
§

LIN

FFeD

59
5%
52

3«8

ARE!

E77
E?.izs.z43.£89.z93,51e7.5115,

CONT

Ei3

E41,E823,582,E113,E154

E2%5,E123,E136,E140,E144,E128

E24/E36,E42,E125,E135%

E26/E29,E%4,E114,%148,E152,E153
£27+E69,E112,E127
E11,E14,E87,E438,E139,E141,F149,
Ei51
E73
E19/,E103,F106,E147
E124,E129,E132,F142,E158%
E37,E38,E39,E94,E958

CONT

Ei104
£9,E78,F117,E81

€S56,E111,E12/E1)
E68
E21
ES91

ES7,E88,E137

CLO

E115

1
12
1

DEC
74537
NAND GATE=QUAD 2IN
EYELET, ROLLFD FLAMGE, ,121 OD
HANDLE, MODULE, HEX

OF A2

REFERENCE DESIGNATOR

1
1
|

(QUAD)

COMMON

SHEET A2

VARIATION

748157

50
51
52

DFECNADER/DEMUX

748174

191055009

114
{
}

2IN

1910548=2y

GATE=QUAD

DECODER=DUAL TWUeINP
NAND GATE=DUAL 4InPU
MUX
§ OF
8

48
49

I
}

745138

XOR/NQOR
OR

745139
74S14@
748151

191295€=pp

1,C,

74832

PER

74S19
74811
745290

INVERTER GATEeHEX 1]

1910536=00
1914537=0¢
1910539=0¢

74834

34
3%
36

§
$

NAND GATE=DUAL 4IN
NAND GATE=QUAD 2INS

DESCRIPTION

1.S2¢
74509

D
b

QTY

1912810029
1919532=0¢

1910534~0¢

33
3
36

NUMRER

LIST

E85,E86

E9@

F8,E131,E146,E150

ust

ISECTION A
!

OF a
_

—

|SIZEICODE| DOCUMENT NUMBER

!
1
4

}
X 1 PL

}

!
|

}

MB27@eQepBP

| REV

{

{
! D

!
|

<3:8>

FUNC

CNFGR

USIE

— CNFGR
INTR
(ua1)

(USTE)

Ub tuir—]

[TUMIBUS AR Ok

[T
F--—
A TAG—T

(usrx)

B<7:4)

TR#

TX REQ7:4)—

T
4

ISR" TZ’;

— UBA ADR Ok

(us1)

ADR DECODE

(U':IC)

uce

PEG

MASK- REG
-

|eg

T REG

132

Xn.-~

FCi

]

BUS Msk

”B“P" VLD

B<a:

UBA

FUNC

FUNCO\'/\LD

DECODE

UBA ADR
Fi1

(usIL)

(USIN)

STR B
UBA

PARITY

NI
o o

’

Z 8¢4e T PARITY

(ReA

TAG

)

1 Tae

ADR

RIP;EZ—E——)——J‘

(usIK)

]

C/A

STRB

SUBSTITUTE —i2

—-

STRD

ERR

UB WwIP ——1J

UB wWIP /1)

CMPTB—Ik

;

IC WIP —]

ADR

MIC

RIFF T

INTERRUPT SUMMARY REQUEST TAG

MIC

CMPT Bk

WIP (1)

S——

T'—J(usm)

ACK

B, g>—

ERR

STRR

sTRD

ADR

SET UB WD XPcT

"n—>

sizc|]

aP REG WD oK
13

wD
.

(usIK)

RIFF ToUB wie
UB

UB INLK WD OK
WD

@ MIC WIP

RIEF TM RIFF T0O

CLR RIFF

wD ACk

RIFF

UB WD IL OK

——DPR WD OK

UNXPCT

CHNFrGR

BRSVR

SET RIFF

STRB

MAP REG Ok

(USIM)

WRITE DAaTA TAG —

SEY _RIFF (LR _ENA

JEXPECTED——STRB STATUS REG
LOGIC
STRB CNTRL REG

]

IL W FLY

| — —UE

UB WR CMPT

MIC RIP (1)

__*

T ——b

(var)

r uB RIP (1)

& STRES

)

—k

RIF

MiC CMPT
B
UB RIP |

xpeT

SET UB RIP

(READ INTERLOCK-FF)

SBI INTERFACE

UB RIP (1) — _

BRRVR wD OK

FLT

BRRVR RIP (1)——--

RIP

u_IP (var)

uB wip

MIC RIP () —T

BRRVR RIP(1)—1_

MIC RIP()

MIC

WIP())

USI

RIP(ND

sz* RIP (D)
ALP

CUS!

BLOCK DIAGRAM)

-DRN. AFM

s
e T oaa]
11780
ENG.
/ TITLE

;g‘

moslo oo

(SLOT .1

FIRST USED ON

ol s

SRECERE

AMPCANE
P 1050

TSE

P L de)

SET

——ur Bsy
:

ip
(UNIBUS - IN- PROGPESS)
RIFF

|—— COMMAND/ADDRESS TAG

(us1w) [

48
DECQDE

D-IN-PRCGGRESS

(ucB) o
s

5(usr~)

STRB CONTROL REG ——4

IGRROTEV

STRB STATUS R:g

usI RIP (1)

SEI MIC RIP——7

CATA

I—DECODE_NRITE
PATA TAG
READ DATA TAG

(usic)

M
—

'
X

e o | pmTEl—sTee oce

FUNC VLD

(us1a)
TAG

BRRVRIMI

uB M VLD
S

UB WD OK

UBA BSY
UBA

TX PARITY

}

SET CSR WD XPCT

RIPROGRZSS
———
(READ IN

VLD

_]
PAFITY

P()

ET MIC_ W]

SET MIC

€

€T
BRSVR READ
BRRVR RIP (1)

(

-0
%

MAP REG READ

(ADAPTOR IN PROGRESS)

RIP

Mre ~aipy me—d
. BRRVR RIP(J)
———SET USI PIP

e(READ/WRITE
AD/
) )—

USL

CLR

READ DPK .

ATP —————1

UB Msk

TAG

Wsin)

STRB STRD ADR —7

RIP

VLD

MIC

UAL READ
T

SET

UBA MSK

8c4e

READ DPR

(usts)
T

BL'S

T2k

z
LRV _PaRITY

LOCAL READ TSE

MASK

)

pp—
(usic)

CORRECTED RD —I

MASK

lozrc) | <742

BRSVR WD OK

READ MAP REG —4
READ BRSVR
3

usII)

T BUSS

Hs2a1

—-MIC TX TSE

(USIJ)J ISR TSE
.

(Usta)

peI

LOCAL E?EAD) ENA B—]

REG

DPR

—| (us1y)

ISR DTE —

Mask | REV

MAP

ADAP () :8>

-9

18<27:8)

‘.

B<CI:28?

USIF

TVID

[T]4

’gz

kS meer B

DATA

STRL ADR|A9, A4, Ag
B

ilgitall}

o R BH2R INTBUS ADAPTOR

SBI INTERFACE

sat 77—
—

SHEET

|OisT. .

|ICS|M8273-¢-1
L

[

D
|

IL‘LL -

RDI

R cV 1D —A
D

LAST TX ID—ip
(USIC)

DTE

SET RDI XPCT —

A —

MxT

—

——RD!

RD2 =

XPCT (1)H

CLR RD ) —k

(ustH)

RCv ID

SET

FLT

XPCT({1)H

11 b

F—RD2

Ob——Rev 1D

USIH)

TR#

STRB ID

(vsiP)

RD! RCV OK -——:D

My 10

P OK —

(ustw)

at—asT 1x 1D

\ MY READ DATA

SEL

jfi

RCV MSk @&
)

USIP
(ustP)

]-—ms A
:

ote —Ip

\
(UsIE

N —c

?—'——

J‘

SUBSTITUTE

(usIP)
>

—bTe B

(usic)
TR

—C“D—_CORRECTED RD

SBI TX LOGIC ON
ucs

. —7g— TR#

RCV

.0 F—=RD TIME ouT
512

RD RCV OK

—

CYC

ARBITRA|
o ace ok

STRB |

RD FLT

(ustp

RD XPCT

FAULT

fl?fi?——o_qi
MSKk | —d____/

(UsTH)

(TION
a0
CHIP | a4 seNp TR
DCIBl I
aNTERLOCK

XPCT

TAG RD —

(USIP)

737

O—® SEL STRB @

RCY ID—A
STR

TR# —8
b

MIC wD OK

(UsIH

-—]DTE

Rbz RCv

XPCT (1) H

—RD SEL
TX ID

Rp2 XPCT (1}H

cLR Rp2 —K

(ustP)

BJq) 2|

T —%

(UsIR)

‘—"

|+ ¢ q

=,
ok

(vstR)

—® TO

UNAPCT RD FLT —
P

IL W
UNXPCT wD
MXT

R FLT

FLT —
FLT —
FLT —

CNFGR

{(usIE)
TI—

g
9

(usig)
b

(;:
,;,

CNF L—a R CNF (UcB)

(usIR)

ERR

UBA
UBA

ERR ACK

—d

UB ACK
UB BSY

DTE 8

—1p

—

11 —l¢

UBA BSY
WD ACK

Q
(usIR)

T CNF

e N

]

CNFGR

MY FLT

(usIr)

T —P

SBT
INTERFACE

REVISIONS

ox] _ cwena
]
i1

(USI BLOCK

DIAGRAM)

(SLOT

TM= UNIBUS ADAPTOR SBI

INTERFACE

=="

SCALE

——

|sWEeT

REV.

DICS|M8273-3
ost.{

[

wnmull

[}]

30]

vy,

o
@

]

¥o

l- sgus-rflns-rsdn s-rson s-rsgn s-rs;ms -rszns-rflins-'csdu s-rsvnsursonso'cms-l

BUS SBI TP H

‘

BUS

|
|

[

SBI TP L

]

BUS

SBI
P CLK H

BUS

SBI P CLK L

—

BUS

SBI PD CLK H

o\
1]

SBI PD CLK L

T@=TP+- P CLK —USIS T@ CLK H,USIS T CLK H USIS T@ UAL H
:

TIA

CLK H) USIS TIB CLK H,

—_— ——

T3=TP- PD

CLK—USIS

T3A

CLK

!
i

!
!

[

]

!
'

!
!

'
'

FROM PREVIOUS SBI CYCLE

USIB IB IN CLK H
CLOCKED INTO

745374

RCVR'S

{

)

]

)
n

l
!

{

[

!
1

J T2

;

{

'
i

[

]

UBA CYCLE ®
.

;

}

| Usts T3

NOTE:

CLK L, USIS T2 UCB L, USIS T2 UAI

CLK

THIS

SIGNAL

-—

)

INVERTED

Uck L

%
N

|
|

I
|

p—

[

I&ATA VALID FROM UBA CYCLE

FOR_SBI

}

ENA

'
:

—

|
|

[

[
|

TRANSMIT

HDATA VALID FRCM CYCLE
(B

SBI CYCLE©

}

USIS

SBI

|
:

| NOTE: T2 CLK L IS THIS SIGNAL INVERTED

]

[

]
|

I UBA CYCLE B

[

SIGNAL INVERTED

THIS

J
.

)

]

CLK L

1 USIS TI CLK L, USIS TI UCB L, USIS TIA CLK L, USIS TIB CLK L

]
|

]

vce L

: NOTE:

]

INVERTED

1B BUS TRI STATE ENA IN L (UMD, UIA-usI)

T usis

CLK L IS THIS SIGNAL

I NOTE: T¢

‘

[

\lnam VALID FRCM SBI
(&)

|
|

]

[
!
:
SBI CYCLE
(B

;

I
T

)

;

)

TRI-STATE,ENA OUT L (uSI = UMD , VAT~

}

)

‘

[

|
i

)

‘

,
:

]

)

[

{

USIB, USIC FOR NEXT SBI TRANSMIT CYCLE

p—
.

|
|

;

)

I8 BUs

]

:
'

]

l T2

!
|

I
i

)

!
]

[

[)

!
|

]
)

!
]

]

DATA CLOCKED INTO 745374 RCVR'S

DATA

R
|

)

]

)

SBL RCv LATCH OPEN
| s8I cYcLe@ ]
[/

ON UMDA,B, UAIH

)
]

USIB 1B OUT CLK H

t
]

|
|

{

I
[

‘

)

T2=TP+ P CLK —USIS R CLK H, USIS R2 CLK H

USIS T1 CLK H, USIS TI UAI H

TI=TP* PD CLK—USIS

i!¥

BUS

!t 1

i\'

[

TRANSMIT

‘

;

)

REVISIONS

ox]

cuncwo.

i
‘
L2

=="

[rev.

CUSI CLOCK GENERATION)

o[
ADAPTOR SBI [
7= UNIBUS
INTERFACE
Dlcs|M8272-0-|

SCAUE —

(SLOT 1)

44—

[sMeer

3 OF
19

DMBER

ost.] | |

[

REV.

|a 1"1-;2!&29»'«]53,9‘] 2 |

6
SBI

DATA

SET

LATCHED

uBA

_~ParRITY

SET
MXT

FLT|

IN PROGRESS

INTERRUPT

COMMAND /ADDRE $5

SUMMARY
NO

UAI

STRBé-~UB

READ

SET WRT

FLT

UB WRITE
DATA

SET ILK

WRT FLT

UBA

ISR

FLT

WRITE

CSR

UA]

STRB
!

COR

RD
UB

WRITE

UAI

UAT

FUNC

DECODE

DATA

BEme278
-1 10] |

DATA

DECODE

STR325-5R

STRE4CR

USI- STREB

CNFGR

USI- STRE

OJCR

—_|

FLW

USA

STRB

WRITE

YES

DATA

YES

SBS - DPR

SBC
- BROVK

FLw

SB7- MAP

STRB

RD2

SY,

LOCAL
WRITE

FLW= STREB &

arp

SET READ
ILK

ILK

wriTE

|WRITE

MIC RIP

CLR

BRRVRIP

SET

RIFF

RIP

USl

ENA

SR,CR

SB2-READ DPR

SB3-ReAD BRsvR

]

RIP

SBI- READ

|
URIFP

‘

SB4-READ

|IF

MIC

—

WD XPCT

uir
UAT

STRB3-UB

(/A

STRB

uwiIr
URIP

XPCT

UAL STRB 3-UB C/A STRB \\
UAI

[
T%R2TT)

CHANGE
NO.

STRB7-REG ADR

STRB

(USI SBI RCV FLOWS
) (sLOT 1)

| mev.

‘

"EUNIBUS ADAPTOR SBI Ff
|

SCALE

INTERFACE

—————

[SHEET

oOfF

D|CS| M827¢-@-1
osT.[

]

8
“TWS ORAWING

PROPERTY OF

| [S]

i-Z:8iesnfIa]

2 |

AND SMECIMCATIONS,
MIREIN, AME THE

OAGITAL BUPAINT CORPORATION AND

SHALL NOT B MIPROOUCED OR

OR U0 4 WHCLE

OR N PART AS THE BASIE FOR THE MAMUFACTURE OR SALE

OF MEiMs
WRITTEN
COPYRIEHT £ 19 7 7 DuSTAL
B

USIS T@ CLK H

19 I
XCLK

l19l”

XE'¢

g4 X PAR 191

ysiA T P H (USIA)

Fse x0afll—gus T B3 H

xa3';
BUS T B3 H
*DZ[LTBUS T 829 M

cu2

BUS 5B B3 L We——Clpe
BuS ser 8 L®——+—dgs

*P!

BUS SB1 BZY L R [ o 57
BU$ sp1 B28 LB
98

R D2 :

USIA R B29 H(USIB,E)

uUsia R B28 H(USIB,E,X)

usia R PT H(USIA)

CLK

» pam '3

BLS

58!

XD2lTTBUS T B25 MW

Bee L we—1ttdss

CNI

usia T g u{usial

XD!

BUS s&1 ez5 | o dBe
BUS 581 m2AL®—QBl

BUS SBI BIS L P

BUS T B24H

R L2}

REC PAPHS

BUs SBI Bla L e
B

{p+

Hdss

Usta

oys mama mre

USi DATA

X PAP

ustA T Ps H(USIA)

BUS SBI B2z L%

—1-qs3

*°!

RD4
pal'®

BUs

SBI

cBl

—q82

B2g IB——T"Qe1

1€

Bus 7 B2g H
23

wlyo

usta pR 823
H{USIB,D)E)
cia
g2z H(U%IE,D,E)

USTIA R Bi3 H{UZIED)

B2 L

e t—-ds3

:”z ::‘ Bl L TBI|
BUS
SBI B L W

D43

——BUS T B1 ¥

XD '

BUS T 58 M

P
3

usla R& Bil
vsIA
Big H(usIep)
H(usIB.D)

RD2
RDI
REC PAR

USIA P B9 H(USIB)
USIA R B8 H(USIB,D)
USIA R P2 H(USIA)

2
1
¢4 B2
BUS SBI BY | ®——

prall8

_ATCH

LATCH

R Bl H(USIB,L,M)

REC PAR

USIA

R Pd H(LSIA)

P7 H—{p8

usia R

Pc H—Eo7

USHL:JSIA;RPQ'J :

00D

¢3ls
EVEN

D
&
2

4[g%
74598

USIA P1

ok H(USIK
L)

RIDP

uSIC R TAG P H

13
USIC
R PAR @ H—1DS

SCHOTTKY

Bloe
2 o)

fII

opD

7459@) 2
T4

—

UsIA P ok L (USIE,J;N)

cqls
z

EVEN

A
(DATA TRANSCEIVERS¢ PARITY)

(SLOT I)

—

Toor

UNTBUS ADAPTOR

SCALE ————tf———
[SHEET

USIC R MSK P H—>108 33

[ rev.

G
Hal

2 @—usm P OK H (USIH,K,M,N,P)

GBI

INTERFACE CUSIA)

—

3
)

—

FE[
ODD

| g;

BE4¢

g -even

745239

ARV

FARITY

CLAMP

cHancENo.

EVEN

745280
E3g

USIA R PI H — b2

8 og

‘
S

USIA R Bd H(usiB,F)
L M)

USIA R P2 H— — 03

(ys1e

USIA

USIA R P4 1 —3ps
USIA R P3 H—Zp4

Usic

T BO H

RD2|

usia R Ps H—Lpe

USIS R2 CLK H

RDAL_——USIA R B3 H(UsIB,L)
kb3
USIA R B2 H(USIR,L)

BUS SBI BNl | m——t—ligs

PDzf3—UsIA R B2! H(USIE,D,E)
kL
vstA r B2¢ H(ULIB,D)
REC PAR]
UsIA R P5 H{USIA)

T D:

I——

uslaA

l¢
o‘;i ——USIA T PAR @ H(USIC)

I 34

BUS T B2 H
BUS

T B3 W

_l'

As2
4
L ®TM—T—qB1

USIC T 1D P H
1107
USIC T TAG P H—r7ID6

RDI

USIA R P3 H{LSIR)

XDI——BUS T BIg ¥
XD2
BUS T B3 n

SB1 B8

L[ 745289

USIC T MSK P H—1D8

xDi

4052
98

USIA R BI2 H{L :.&p)

864X PAR[7——USIA T P2 n(usIA)

BUs

T
‘

XDZFmBUS T B! H

aut_ | 14 63
BUS SBI BIO L S—t—

Blog EVEN

SS.Sun—

LATCH

gig

E45 \p3fe—pys 1 B22 H
BUS SBL B23 LB—1l6dp,
D23
8us T B2I H
cor
|14 157
2US SBL B2l L

BUS SBI

BuS T B23 H

ustA R B4 H(USIB,D,T)

xp3

XCLK XENB

8646 xpap

)

El'

EIYL

X E

FIp—

9 z"-'

—

'
’
Y
APART:;‘““—USIA
i PY, H(USIA)

BuS SBI B3 L ®e_—-qeq

RD 2~

[13 Lu

XCLK

usia R B5 H(us1B,D,7)

ROIIC

8C4C xpat——BUS
16

usIA R Bis H(LSI2D)
t—usia k B4 n(usray

REC PAR

: |

DTE L

RD2

LATCH

;

3:; : o :

5 OF 19

Y73

NUGBER

D|CS|M8
ost.]

REV,

)

[

REC PARF——USIA R Pi H(USIA)

acr

BUS T B2 M

RDI

¢ Pe H(USIA)

BUS T B4

‘

Fz TS USIA T PAR 1 H(uSIC)

obD

RD4,=1—USIA R B7 H(USIB,D,J)
RD3—=T—UsTA R B6 H(USIB,0,])

-u3tA T P3 H{UslA)

o4 ,Z
o3

usia r B25 H(USIB,D)

—LD'I

USIA T P4 H D5
—

|18

ligln
XCLK XENB

Bus SBL BI3 L WeTTTal??
BUS SBI BIZL *
P

USIA T P3 H —ipa
—_—
A1 4

x0)

LATCH

XD2[3BUS T BI3 H

®——QB3

USIA R P4 H(USIA)

XD3[T—BUS T BI4 H

LATCH

TCLK

usIA R B17 H{USID,E)
USIA R Bi6 H(USID,E)

xD3r2
BUS T B¢ H
XPEFT8US TS

BYS ool me L ’AFT_EOC:""
BUS
B4 L

2646 xpafZ+—BUs T BIS H

priE——usia ¢ 824 H(USIB,D)

USIS

RO2[
RO I

By2

ooy 'f
usta < 27 H(USIB)
gp3tii—uysia kR B26 H(usig,p)

USIS R CLK H

BUS 531 Be L

RD4L-T—USIA R BI9 W(us1BD)
mp3FT—usIa R B8 H(usiDE)

X FAR :,

—gys 1 B27 M

B57 xo32t—sus T B26 M

itgfge

BUS T Bi6 H

119 An
[XCLK XENB

8646 yoa}Zd

8US ser K7 | B

.
E2
APZ
|y
BUS SBL B7 L ®——tidpe

USIA T PS5 H —7'3-06

8646 xparsT—BUs T B7

lie £
XLk ¥ EN

BUS T BI9H

USIA

1
X PARFCT—USIA
T PI H(Us1A)

LATCH

USIA T P4 H(USIA)

REC PAR

LATCH
USIS R2

BUS SBI BY7 L’s?_'_;_cc".z
BUS SBI Bl6 L ®
Bl

usa T P7 H —Hpe
3!

IXCLK xe~dd

864¢ xoare

Bus s8I 818 L ®——_de3

moaft—usia r B3 m(ustpe)
ro3tiq—usia R B3g H(ysie)

REC PARF

XEND)

X PAR :g

Et4 xp3pz
BUS T Bl& H
guz
{
BUS SBI BIS L ®o—T<Qps XD2[FTRUS T BIT M

BUS T 828 H

745289

:91"

PRCFITY G5 DIITAL. BOMART CORPORATION. A

USIA R B3

USIA

17745223

/[':"]

B2e

IB29

Bvz

USIA R B27 H
USIA R B26 W

)

—= T4524]

[B27

—_“E?BUS 1826 H

USIA

——wRUS [B24

USIA

fi{
]

ESS

B8I5

Bi4

EI7 15

15 aooaS
17

f2lé

BUS T B3¢H
BUS T B2o w

USIA

£ 3 -22———sus T B2E H
4

)
2|pe

F4s
Fers

T Ds

BA?BUS

1B13

——————®Bys

1812

gus 1611

—
P

"-9:222snis3d) 2

1-0-

‘

”%2‘

USIA

=
BUS 1Big H
ARI

——® RS

IB8

BUS

B27
H

Bus

B26

Us
T8
BUS T B25 H

BIZ

USIA R BI M

BUS T B24 H

USIA R Big M

E17

L~ C_“’
2irasears!
J

Z;/%

%
74524

E¢s

Fp——BUS T 8IS M
2

:D‘

Firs

5|02

SBI

CLR

£ 5ls
9 H
;e—fi-—” BUS T BH

USIA

BUS
T Bl H

]

USTA R B29 H

f 4

s
a]%

T BI3

F3—BUs T BI2 H
£7]

BUS

R27

USIB

D,F)

IBSBI C CLR
SBI

CLR

(usin,P)

usSIB F2 H(USIK)

/fil/

\lz
%

H—§474SZ4

BUS T B8 H

1 (S

USIB A4 H{USIF,L)

13 raeoa

usie

USIA R B3p H—— 7524

BUS T B4 H

F2[—BUS

5|03

‘

E17

5\14

7483374

,%{

”%9

USIA R B4 H

—=BUS 189 H

rif

1G]

USIR

Fglf—sus T B3I H

&p3

8174524712
i

®Bys 1Bl5 H
Z2Bus 1814 H

17 74524]

745374

BCi

BB2

——> BUS 1825 W

\M_

————8=RyUS

‘

”%9

BUS

—————=Bys 1828

£59

USIA H 823 M
R

y,g

:5%\5

USTA

EEL

Tt €137 7 OIGITAL SQUIPMENT CORFORATIONTM

e Bus 1831 H
—%"8US IR 3§ H

SMALL NOT B ASPRCDUCED GR COPMID OR USID TN WMOLE

OF TOARS WIIMOUT WaITTI PSSR

Tasea]

——

usIB Fi H{USIK,L
N)
UsIB

Az27 H(USID)

!
Iy

Alsears1e
l‘}(

USIA R B9 4

USIA R 824 H—2 g;'/'e

USIA R B8 1I

o
al;",‘/;?

igsus 1823 H

ALl

Ao BUS IB7 H

Fa DUS 1822 H
>

o
USIA

B22

@4'

B2
B2

¢+

USIA R BI8 M
R

BI7

:Da

USIB

JOuT

ENA

USIB

OuT ENA

|14

[EW
W AT]

fo 2

‘; '

IB4

IB3

USIP +VA 4

AB2

~®BUS IBI
®pUS

USIA R

BUS T B23 H

BuS 1 B22H
Bus T gz21 n

BUS T Bl H

BUS T Bl16 H

BUS

BI7

IBY

USTS

T3A CLK

)

—T7

Hs 511

usIB 18 ouT Ena L{USIB,C)

,3”

USIB I8 OuT ENA H(USIB,C)

H ——2E2

USIAR

[ 1}

‘

{

USIA R B2 H
USIA R
USIA

F¢‘€

oy L
5103

BUS T B5 H
F3—BUS T B4 H

7105

F5f,——BUS T B2 H

D+

USIA R

'24/35;*’/

4 245241

1€

210%

BUS T B7 H

Bg ¢ 1

BUS T Bé H

AF2

FA——BU
T B3SK

f¢

CLK

ENAB

f7F——8US T B@ H

[”

BUS

USIB 1B OUT CLK H(UAIH,P, ucBK,
UMDAB)

USIP +VA H
1

USIS

2178524718

TiB CLK

BLI

5 3)——.
27514908
,C) UAIK
B ysis 18 IN CLK H(us1B,C,

—%le2

ucer)

£3

MIC TX ENA L

Tem]

T
|

A Bus 182 H
> BUS

UsIB IB IN CLK

IB5

o BUS

74524152

CLK__ENAB

USIJ

==l

£ "5

Z %\ee
9%

USIA

fafe——sus1 19 H

i: ps
18

AR
BT
A

§3P—BUS T 829 H

2os

Bié

5] o

F
f2

4 74524 ]

;

far2

710t
102

6 %m

USIA

[Bie

18| 3922 ——us12
ot
=5 fLT L (USIR)

USiA

?:; “

LSIA R BIJ H

120

AJl_gfii 186 H

E4 1o

“%9
f4c

USIA R B2§ H

> BUS

EUS

Bluseais?

"-';52
§§:§ H
i:zfsus 1B17

A
SIA

1B21

15 oas a5

A BUS

USIP P + +vC H

[

(18 BUSS
& CLKS & ENAD

(SLOT I

"= UNIBUS ADAP USI 9Bl P&

SoALE
3

INTERFACE (USIB)
D|Ccs|M8273 -3
Tsweer
6 or 5 Joer ] [ [ T T T 1T T

D
|1

IDlcoIM8270-0-1 | BA

USIA R B25 H

;

“THI ORAWINE AND SMCICATIONG,
HINDN, AN THE

UL WOT 58 APAGOUICID b COOD G LD B+ vALRR

USIC

MASK

uslc

MASK

———USIC

MASK

4G 7777 DISITAL SQUISIINT CORPORATION®
—

UCBL

DTE

;

USIC T MASk 3 H

gwummmmmnm

COPYRIGNT

4 mx,\l‘

—

SB]

_lre

LI=—dps

M2 L,CT___fcM

X PAR

BUS SBI M| L

&e—=der

’

USIC

oy :3_

Bus spt me LB —1"ds,

MSK P

USIC R MSk |
USIC R MSK @

H(usrc,Pg
H(uSIC,P

.
? ul
)
USIC R MSK P H(uSIA

RIP
ussIlNMulscx e

USIR AD CLR H—_—T

MIC

8c4s XD:
3
XD

BUS

SBI

REG

22 1tQB4

7 L s-—

6 L = —

BUS SEI REQ 5 L M7

XD1

L par

|12

UeIB 1m ou

;

3;12 T 2502 :

1 %3
1)

uceL

L e
o

DTE

BUS

SBI

BUS

SBI 1R 8 L &0

SEL €

SBI 1R 6

BUS

SBI TR
5§ L W—"QG

SBI TRg L »——Q

pCig!
Ei43

O———8BUS

TR L

USIC R
USIC

UCBL

o]
e

SEND

cHANGENO.

)

HOLD

FK2

p~——#-UsIC

ARB OK L (UCBL,M)

Usts

[

CLK

MaAsk

MAask

XENB

USIH

Eq7 :gjnz

PAR

BUS SBI ID |

x02f,

—USTi

USIH T ID 1w

PAR

H(USIA

US;E R PAR @ HEUSIA;

T cuk

MASK

2 H
3 H

R MASK

8US SBT ID g L DP2

{11

glagli

(

_
UBA MASK VLD

£96 XP3[7

SRVCBL

xD2f~

VEBL

"384

BUS SBITAG | L&
BUS

;

L(USIL,N)

MAsk VLD

L(USIK

uSls

L(usik)

csL
u

UBCL TAG SEL

[uBA viD MAsK

' T &

READ DATA

WRITE DATA

COMMAND ADDRESS | @ | |

ARRGIK

BAD.

TAG

BUS SBI TAG
READ

DATA | ¢

commM app | @
WRITE DATA|

cLk

TAG SEL

H —

¢ ofaG 2 W (USIH)

H{USIH)

USIC R TAG P H(USIA)

]

usxc

T 7AG

¢ H(UsIC
R)

|
!

( SBI ;TAG,MASK ,PARITY, ID , ARBITRATION) (SLOT 1)
SBI

TTT
NUMBER
[oooy ===t —

REV.
v

SCALE ———— |SHEET 7 OF |9

ost.] 1 ] 1 1 [ | 1

TEUNIBUS ADAPTOR

l;&

USIC R TAG

aTen

SEL @ H

USIC R 1AG @ H(USIH)

REC PAR

TAG

ek 1D o9 H (USIH)
o0

T seL g o

—

TAG SEL 1 H

ustc 7 TAG P H{usra)

INTERFACE

—

EO|

xD1 ',—————USIC T TAG @ H

qB2 opul'®
SBITAG @ L& —qBI p3l'2
NI

usic uB

P12 112 uB viD MASK

)

Bus SBITAG 2 L B—I4dg3 X PAR

slelelt

W (USIH)

USIC R 1D P H(USIA

RD?

3[2]1[gmAck BITS
L1

H(USIH)

864GXD4 ;3 PRUSIM T ID ¢ n

USIC

10 2

n——"7, [,

H—T

USIC R MASK

XCLK XENB -

H ——E4

[

USIS Rz CLk H
USIS

s1A)

USIC R ID 4 #(USIH)

USIC
RDIFT—USIC

LATCH
USIC

DPHQ

RD2=

evefd

RD3T—USIC ® 10 3 4 (USIH)

REC PAR

:g; &

USIH T 1D 2 H

0 Nigl

T ID 9 W

[

;;i; 1@

p
2 “""—“@—-usm
|

.91::
XCLK

Bus SBI ID 2 :_a’__{c'sac‘;z R D4 Ig_

UCBL

| mev.
.

USIC

L mer—rG

USIC R MASK & H

USTS Tg CLK H—m
UCBM

= L ook
oK

RDI

Usis R cLk H——-JM 6% |

USIC R MASK 3 H——5
USIC R Mask

BUS SBI TR 2 L #e——0Q
BUS

H(uSIC)

UCBL DTE

USIS R CLK ”___J

BUS SBI TR 4 L m——2ikg
FEI
19
BUS SBITR 3 L & — 09
SBI TR |

USIC T MASK g H{Usic)

BUS

LA f”

L oG
FF2

pé

;

L (usID)

L #——g

BUS

H(usIC)

MAsk

REC PAR

BUS SBI 1R 7 L-F»;'—i-:«:
—

USIC T

b2
—

= t;'a

TR 19 L @G

mask

Fil

BUS SBT 1D 3 HE-—1dp3 XPAN

;

UsIC T

310!

BUS $B1 1D 4 HEG— dBa

E—ucia

- i,

XCLIXENY

g usic TR seL 0 L (usiD)

SEI

USIC T MAsK 3 H (USIC)

RDI —?—

BUS SBI TR 12 L ®=—G
"L e——2g
BUS SB1
BUS

CLK ENAB

crp-_o> MK 8
5B 21 M
58

USIC T REQ 5 H(USIC,T)

Farg

Lis kit

uste TR seL A L {usio)
Fuz » L3PL3655:: Losz{;o’|26liso|27
Bus SBI TRIS L &
1 DR2

BUS

H(UsIC,T)

8 3 H

F75——usic T ReQ 4 H{usic.))

oz g

SBI PAR g L (&3

Afz usIC TR seL B L (usip)

Re@

F4 ”

BUS SBI PAR 1 LD’F?—MCB‘#

A usIc

74s240>
i

B646 (o3l

DH2

Bus SBI TR 13 L e—
-G

€83

FT2

51?7

s e

FS[—USIC T REQ 6 H(USIC,J)

a0t
7

F6rT——USIC

3 ]°5

cee

LATCH

SBI 1R 4 L »——3d

406

XD4——USIA T PAR | H

ROITS

Bus

| €72

806%6xp4

REC PAR

745374

Msk @ H

USIC T REQ 4 H

:gs 2
rp2

—

VSIS
T CLk H

BUS SBI REQ 4 L 2’——408;

Msk

s %\7

B b2 —usic r'gsg 5 H

SBI REG

| (9T 727wy o

USIB I8 OUT ENA H

xCLL’xEL'B
BUS

—

USIN MIC IR GB H
USIN

MSK 2

5/7(/{

USIN

Bus

MSK

;

D ra52471N2

lmszastd

H(USIC,P)

LATCH
USIS R CLK —t— 1

£7l s

H (U

USIC R MSk 2 wW(usic,p)

° o
REC PAR

2 l7as230\18

s1a)

USIC R MSK 3

RD3|
RD2[—
RDI

*D2r
x D!

CEl

XENB

erg *03I5

SEI

[——————

—
P eus

8646 "‘D; 13
BUS

Fs'—BUS

L
XCLK

BUS

[

(USIC)

6
l
5

4
}
3

or e v vrroe oy Te
SHALL NOT B8 REFRODUCED O

[g
]

2IesW

Eld]

2|
1

COPHID OR USED N WALE

N PART AS THE BASIS POR THE MAMNUFACTURE OR SALE

CF [TIMS

WRITTEN PERMISSION.

+5V

USIP +VA H—
V'SID TR ADR Ok Y

USID

USIA R Be H————"d
N,

USIA R B7 H

H—_{

A27

usiB

———

USID

USIH TAG CA H—31

3 dese

—7N

I A

USID INTERNAL REG L(uSIDL)

ADAPTOR

801

L B

RS
<

USID ADAPTOR ¢4 L B

USID

Lq74594>2
s

ADAPTOR

H(USID,F)

’

USID ADAPTOR @ H(USID,F)

USIA
s

H —3d Y

yslA R B5 y ————LQE7

USID INTERNAL REG L

USIA

USID

R Big H———— N4

USIA R BIT Y ————2QE
59
USIA

BIg

usia

MAP

REG

USID UB

ADR

—
2.
<

USID

B26

SEL

B23

UslA

R B2l

U SIB

Q72152912

A2TH

USIC
USID

ADR

SEL

L »-

745

74384

INIT

1632

AL2
USIC TR SEL A LTM

USIA.R P29 "y
o

USIA R BG H

-;74L53

H—____<]

USTA R BS H——F
2 lg7y
USIA R B4 H I
5

USIP +VC H

INIT

USIB A27 M

USID TR ADR OK H—_|
uslB

Usic A27 H

[USTP +VC H

183

USIA R BI8 H

A)B'g—

g L

A=BI—

USIP

+VC H

USIA R B{7 H

USID

H(uSID,H,J)

USID

SEL

B H{usID,H,J)

ADAPTOR

ES!

.
USID

A<B}I—

H———-—'—Bl

USTD ABAFTOR ¢ H

7 |

OUR UB

sPace

H{uSID)

Ha!

Bo
IN> IN= INC

ia
i
%é

413

17451333

3 |38

USID

MAP

REG

ADR

~USIP+VC H

L{uSID,N}

]

USID TR SEL A H(uSID,H,J)

USIA R BI¢ W ———Zag

19
5

USIP +tVA H

SEL

741585

_}:-Lc

SET

;

UAIN

USID

USIA| R BI9 y———qESP /

USIP +VD H
2

3 N
748

EP!

UAIN

-iii

L(usxo)x)

USIH TAG C/a H—————T
7]
3]
_

%L
USIA R B22 H———;'C”‘—S
=2qEEC3

JSIA R B8 H

2Pt E55al?—usip 1R seL D W (usipou 7)
A3

s
L__6_2435133

USID OUR UB SPACE H

—

u 74Lsa§3 |

14,

AF1

SEL D L B

W ——l3g

USIA

USIC

3
&

USIA R B2§ H—TQE“—/
]
s
USIA R B24 W

USIA

H(USIK)

usid A9 L (usID)

7aL5p2\!3

SPACE

459

USID +VC M

__’Z_QE‘SG
R

ADR

USIC TR

l
USIA

ALL

M —_—

ARG

usis A2 H

——

B¥

t}—-

T4LS$85

USIA R Bi4 H

'fAs

USIA R BI3 H
USID

USID

SEL

py ok

AYBI—

2[B2

A=BI-

AKBI—

USIA

SEL

H————"'—BI

SEL

H——{B¢

B
USID

ADR

OK H(USID)

USIA R BII H——S%AQ
IN> IN=

USIA R BIS

’

15 ’

ING

KN
4

A
REVISIONS

. o-u:{

CHANGE NG.

sus

{m.

CUBA ADDRESS DECODE ,UNIBUS ADDRESS DECODE )(SLOT)

INTERFACE

(usiD)

D|CS|M827@-@
-1

8 or 5 Josr ] T T ] T T 1]
e——
SALE ———
|
2
I

———

USIE

118]

l-@;flizewfigfll 2 |

TEMP

H(usSIF)

OV TEMP

L(UsIF)

USIE CNFGR
TALSITS

Ec4

B31

D¢ Ra(1) 2

USIE

DCR

H(USIF)
UAIN

RA(PX—

USIA R B3g H

USIA R B29 I
USIA R B28

RIGY——USIE

DCR 3¢ h(USIF)

RI @Y——®
ysiE

DIS

BK2

R’.?a(l)‘4

05| USIE

UAIN

AD P

74598

USIE DEF DP PAR L (UMDM N,P R)

L(USIF)

H(USIF)

L (UsIF)

USIE

CNFGR

USIt

USIE

CNFGR 16 H(USIF)

USIR AD CLR L — -@

O=——USIE

CLR

INIT

(Uste)
(U

USIA

T—usIE CNFGR 23 R (USIF)

LS 2
Eéé

CNFGR

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USY FILE WRITESELD>—A2—y DATA

PE READ DATA

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TR MUX

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NOTE

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220

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| N | Y

SET MASK BT

giPl 1 LD
AL

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prur——rgms

slwlelaldts

clmliclamlcln

(UBA MICRO SEQ GUIDE)
TITLE

SIZE

UBA CONTROL BOARD

|D[CS|M8271-9-1

HUMBER

REV,

7
MPOTY
G OOAL PFUBDY

ey na

|13 1-0;1/28W[q]

SHALL NOT 3T REPRODUCED OR CT7I2D CR LD
e YAMCRE
CR N PART A3 THR SALS FOR ThI MANURACTURE
OR BALE

OF ITEMS WITHOUT WhITTIN PER SO,

COYRIGHT ©) 1577 TOKITAL SQUIPMINT CORPORATION®

’

DRTA.PATH FAM CRSINIZATION ..
DATA

ONMS <1y

PATH

SHLIFTER

INPUTS

(SovPcES)

SFTR

_YTE

SFETR

BYTE

SFTR

BYTE 2

8YTE %

:
CONT ROl STOPE
& RO L/: 0>

Q4 BYTEDS

f—

SET DATA
2ZBYTES

BYTES

DATA

FILE (9)
lse1 oatAl

RECD (@)

Frie

’

(1)

recO (V)

PATH RAN

oF rRAaM (@)

cr rAam (1)

FILE(3)

oP =am ()

TMP STR(®) [TMP STR (1) | ADR INC(3)|

ADR INC())

BUFFER

DATA PATH

o ByTE (3)

TMPSTR (gfi)

TMPSTR (1)]

ua DATA ()]

LB DATA ()

Caflfgorcrgrdms

CSras

¢ A0D <i:a>.

LONG

WORD 2

eYTE

srore

<BP: 02>

BYTE

®YTE

BYTE 7

BYTE
S

PODRESS

Usrors

<s7rpad Y

BRRYVR

e
SRR VRS

RRRVE

BRRVE -

BRSVE w2

DR RO C5:2>

BRRYR

[evs 18 ()

Cgfifl%fg;‘:"::"

BARVR/ BASVA SXEANIZATLON

| suste (2)

DP RAM (@) | DP Rram (1) | oP rAM (2) | oP RAM (3)

wusre ()

susia (P)|

BULFFER DATA PATH LONG WORD |
BYTE ¢

op exte (2)|

RODRESS

DATA PATH

BYTE

opevre ()|

L TARSET)

RAM BYTE

<P
DESIgATIfds

oepevre (¢)]

7--'5

OUTPUTS

OFFLET TEMP BUPPRER

OP RAN (2)

ORTR PATH SHIFTER

BYTE

oR AD <8512
>. 4

2 BYITES WRAP AROUND

& BITS 0F U8 ADR<I7:42>|
FOR DATA PATH REG

BYTE

ZBYTES INC UB ADR

File (2)

coNTROL
ST
SToRE
oa.z:r‘s‘
OACh <tio>

UNTBUS CATA

4“4

BUFFERED LATA PATH OFPETNIT 2ATION 1-/5

[

BROVR nd

—
Ha

L_
-

BRAR VRS

BRSVR H @

BRSVR w2

0ZAGNISTLC

u4sE omey

!E%

\—

SHIFTER

CONTROL

cx—l{

Reysions
CHANGE NO.

SHIFTER BYTE OUT PUT
D'ss

DRTA. PETH

SFTR (@)OuT| SFTR (1) cuT | SFTR (2)0ouT | =FTR (3) ouT

ci:g>

seTR (@) 1N | sFTR (1) IN]

SFTR (2) TN | SFTR (3) IN

SFTR ()TN

sFrTR (3) 1IN | 2FTR

SFTR @) IN | SFTR () IN | SFTR (P)IN | SFTR (1) IN

SFTR 3 (@N)|

oFTR

RAM BYTE

®.

(DATA PATH ORGANIZATION)

TTE

UBA

SCALE

¢ (IN)| SFTR (1) In | SFTR(2) TN

[

(P)tn

:
:

212

‘

3FTR () IN]

‘

CONTROL

BOARD

——pi—— _ |SHEET
3

OF 2[:

NUMBER

AEV,

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DRAWING AND.

PACPERTY OF DIGITAL

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T Pery MUEACTURE O SALE

MICRD CNTL START ADDRESSES

1Y 7 TOuTAL EQNBSMENT CORPORATION"

UNTBUS ACCESS TO TUE ENABLED

START

MAPPED

ADD(E) | TR SEV | symmoL

MEMORY ADDRESS

SPACE

Losrc
LO
o or uceA)
A

—

MAPFEC

ADO

RANGE

DECOD

E vay)

MICRO TR MULA TNPUTS (LeBd)

]

START ADDRESS GENERATION{UCBC)

apD BiTa|

( FREM ¢AT)

MIC PROG ADBD

elsta

¢T¢

¢!

;

5111 \

dl—ovAa s
1

_[@|P|Pr

@Dl

SEE DMA SEL SENER ATICON ~—

| ¢leladlr]n

SET
WIMIR + STAT BT TS

ATT

PRRQ%EETCH RD

UAT uB ATT

ATT

12E€

UBA

RSVD

STRT

oMA D | SBT READ (DDOR)
oMA

RINVO

BR((IR) ATT
SBT

WRITE

(DLW

DMA D2 | STORE

DMA DS | SBT WRITE

= O

BOP

OMA B | SBT READ

(BOP)

BEOP READ

OMA

»®BI

READ

DMA B2 | SBT READ (O0P)

- s

58 ATT | LCBR (FROM 4BI)

DVA BS | WATT RD RTN

¢{¢lm¥

oMmAa

OMA

* STORED

BYTE OFST

INPUT

RD, SBI READ(CDP)

| STORE

MEM
E

DATO

| MEM

DATO

oMA AZ | T/O

DMA A% | I/O DATO B

LOWEST

)

DMA

C@ | DAT1

801

MEM

DMA

MEM

OMA C2 | DATL

| DATI

B4aS Mem

DMA C4 | DATI

t
B12

DVIA €5 | DATT B34 MEM

omA C7

CMA

ERROR BIF ——

DMA C9 | DATI

DVIA CI1G | SBL

CMA Cil | DATI 823 I /0 = C9

DMA Ci3 | DATI B23 1/0 =<9

DMA MUX INPUT

(FROM

DMA D

[‘SET DMA ATT }—— —_ —>-—/ ATT PRI ENCODER7
ves

[
DMA SEL

(©oP)

- O

DMA B - B

DMA A - A

oMA © ~C

%S‘BP_GHZ)-'

oMA .B 3

]

BDP ACTINE

RDIP

(RO AECT+ PERD RCVR)
S8BT

PGa-27

(176 - )

ue co

BYTE OFST | um A 2

LB Al

DATI

B7- B3 MEM

| SBT BDP READ,DATTI

Bza

BDP READ, OATI 8¢ 2CH

DMVIA

Cia | BSBL

BDP READ

OMA CIS | DATI

B23

DMA

DN =

ODMA

MUX IN =

;

C qS

DMA

A ¢

:
oOVvA

FUNC. (28I PG217,UB C @)

)
°

—
[

vBC @

umc

DMA C !t

BRRVR SND RAM

MASTER DATT RTN W1
|MASTER DATL Rils NG

uBC

INTR FLD
NO-0OP

REVISIONS

[

SEB

OW-RTN VECTOR

—

REG READ

pp—

OPR REAm

SB 3

BRSVR READ

=8 &

NO -OP
VAl

sa (usT)

MAP REG READ

S8 5

DPR WRITE

SB &

BRSVR

o7
70

)
=%

=8 7
eF &

MAP REG WRI TE
PFRD RCVD

PFE

PEFRD

43¢

WRITE

RCVD

BYTE

CLR uBA | INLTTALIZE

UBA

OFEST

(

| Rev.

TITLE

(UBA UCB IR DECODE))

UBA CONTROL BOARD

SCALE ——Ff——

1%}
S
Y
Eld

oo (Uat)

SEE DMA SEL GENERATION

RONP) rFunc (SBI P627, BYTE OFST, UB AZ,UB Al)

MASTER DATI TIMEOUT

UBC Z
UBC 3

(t/o)

CHK| CHANGENO.

ema M

DMA & 3

;j?C.Cb

52
=3

FUNC (BDP ACTIVE

—

INPUTS =

Bp1=C8

MUDX

OMA SEL MUX

DATI

T/0 =C92

ax
45
R

no ()
vES (B

B P

1/0

READ

1P, usch)

ap
Py

CMA <i2 | SRT BDP READ DATI 8¢1 =Ca

RrOIP

WRILTE

PMA D c,'b
rone. (R

{(Dma Seu)
-

no (BoR)

MUX IN =
o

FLOW)

BrT

DATA

DMA CG | DATI B5%& METMM

CONTAINS

T
{
MEM (BXTE
OFST)

SMA SEL SENERATION {uceA)

——

BoP
=y

BUFFER TRANSFER

‘

WRLT
TE

BDP READ

DMA C3 | DATTI 67 MEAM

Z2Ga

EmPTY

DATO

BOF
BOP

2
'

(BDOP)

oMA

SEL
- PRIORITY

YeS (DDP)

°o®

p—m

MR PF
C

INPUT
- TR MUR

DMA

ATT

INSTRUCTION

CLR UBA | INTTIAL

UAT

|8 ATT
{B]

+—

FLOW

)

—r

(GRATING oA LCBA)

]

[sHEET

OF 2

SIZEJCOO

NUMBER

REV.

|D[cS|MB271-0-1
ost. T

TPV

1 Tw

| (97

7zeevEg|

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W.””mnuwmrm

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IR
b ‘ Il
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bon
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b % L]o ‘ Llo i | |
MICRO STATE

IDLE

203

IDLE

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@14

°8SY-L m
-

REC MSYN-H

(E152-2) T2
1y

oyne Moyn-p(ELS2-5)

[

L
1

EN ssyn-H ELD3-1D
UCB

SND

@03

@14

]

sse

eo3

[
T

3
L [T
—

ooz

[

]

(E133-6)

SSYNSSYN-L

@03

11011
*

oma ATT-H (E8229)

[T
12
:

BUS MSYN-L (T
<

550

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BUS SSYn-L (Q¥2)
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BUS SACK IN

STATE

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1 1. [ 1
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AL RUIMET ORI

UNTBUS ACLO
UNIBUS

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BEQUENCER

INITIATED

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UBIN T UB AC LO M

INITIATED

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FROM

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TRANSITION

< roons o

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ASSERTED

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—

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UNIBUS

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SEQUENCER

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[‘" Sws MmN —-%______

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VAIN LE inNiT DN L

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REVISIONS

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(POWER

—

FAIL

TIMING

DIAGRAM)

e
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INTERRUPT CONT

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SCALE

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2 OF I7

HoLER

ost. | P 1

] [ 1

DICS| M8273-@-1

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’—.7'“ ORAWING AMD JUCTICATIONS, MEAEN, AN TR

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(31

WAL NOT 38 MFRODUCID OR COMED OR UBID i WeioLE

Tg£28wEIq)
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)

MROPERTY OF OMNTAL BQUNAENT CORPORATION AND

OR SALE
OR T PART AS TME BASS FOR THE MAMUEFACTURE
OF TS
WRITTEN PEGANSION
COPYRIGHT ) ; 47 7 DISITAL BQUAPMENT COMORATIONTM

UIPTURIP+UWID

START UNIBUS
SELECT TIMEOUT
COUNTER

WAIT 50 NS
UAIB

UAIR, 2AID

CLR R.P R,
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g'é?

UALC NPR ! MSTR

NEGATE TMSM

S‘Asg\o(

SET WALD UB ATY

UATS

SET ATD UR ATT]

unc=3

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STATUS (‘ffifix)

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MICRO CONTROL
fuecs

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HLOWER 16 BiTs |
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(UPPER 16 BIYS |
CLR UB ATT

[RETURR DATA N}

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(&LR

ASSERT UMIRUS

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ATBCLR

ASSERT UNIBUS,

ABC LINES

CLR SELECT

CLR

SELECT

TIMEOUT CNTR

TIMEQUT CNTR

WAIT 250 N§

\WALT 250 NS

\l/

SSERT SSYR
T MSTM

]

1CLR U\P

CLR (u:p

=== J

L L) |

(uRrip)

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)

UAID TIMEOUT

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START SSYN

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(RETURN DATA IN}

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TIMEOUT CNTR

mé? a

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VAIE

MICRO CONTROL

TIMEQUT CNTR

—~ —X

B AT
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Uacp

MICR
CONTROL
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TIMEOUT?)

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SET SSYNTIMEUT

WAIT 150 NS

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AT 100

hatel u IBN

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STATUS REG.

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) 4

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WAIT 200 WS

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QUATE UB WRT

CMBLT)

REVISIONS

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(UNIBUS

3
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=

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NUMBER

CONT. _

|DKCS|M8273-9-1

joe ] T

1T T

T T

REV.

“nag DRAWING AND SPICICATIONI, MEREIN, AN TME
PROPERTY OF OMEZTAL SQUPMENT CORPORATION AND

SMALL NOT B MPRODUCED O COMED OR USED I WAL
TR N PART AS THE SAMS FOR THE MANUFACTURE OR SALE
OF ITRNS
PERAMISSIOM.

SET BRRVRw

YES

FULL

UVAIE

foan

B uB AC LoNTES
SSERTED

DIOABLE

YES

UWATJ

C
No

WAIT 200 R§
WALJ

INTERRUPT

UALS 1SSUE WPR

é\é:\;g:‘:‘é

SET SND RAM

‘

START MO SACk
UATY

TIMEQUT ZINIR

SOFTWARE

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WAL INTR LATCH

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SET uB ATT

[UATO, U ATA ,uMDC

uac =5 AT

NOMICRS CORTROL
UBC:1 MF20 i

- =

RETURN DATA/S
o

OMMARD

SET U® ATT

PR UB ATT

YES

BUS NEG)

l
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—

m )

= e R0 Lo
TP SOV

ASSERTED
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RECEIVED
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TRTRNLYES

merumwweconfgs

CLRBRRVR, FULL

CLR BRRVWIP (MK cwpcr)}

L_ _ClRusATY

{

133

SET BRRVRLP
¥.F. o

R T som

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NEGATE

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SSYN

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NEGATE N.RR.
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B
prove—

CLR TSSUE MLBREE
CLR NO SACK

TIMEOUT CNTR

UATS

i
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S man w.

REVISIONS

ovea
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(UNIBUS INTERRUPT FIELDING FLOWS)

TM . B.A. ADURESS AND

INTERRUPT CONT

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jmer 4

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et

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LN

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B3d 2|

TS DRAWING AND SECFICATIONS, MEREIN, ARE THE

PROPERTY OF DIGITAL EQUIPMENT CORFORATION AND
SHALL NOT BE REPRODUCED OR COPIED OR USED IN WHOLE
OR IN PART AS THE BASIS FOR THE MANUFACTURE OR SALE
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PROPERTY OF DMSITAL BRAPMENT CORPORATION AND
ALL NOT M RPRODUCHED Ok COMMD OR USED 1N WHOLE
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FUNCTION | TUCI ¥

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7 of /7

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HEREIN, ARE THEE
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