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MP00499

November 1977

133 pages

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Document:	RH780 Field Maintenance Print Set
Order Number:	MP00499
Revision:	000
Pages:	133
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.”

N AN

'NT

*“THIS DRAWING AND SPECIFICATIONS, HEREIN, ARE THE PROPEATY OF
DIGITAL SEQAUIPMENT CORPORATION
AND SHALL NOT S8E REPRODUCED OR COPIED OR USED IN WHOLE OR IN PART
AS THE BASIS FOR THE MANU.
FACTURE OR SALE OF ITEMS WITHOUT WRITTEN PEAMISSION. COPYRIGHT ©
1977 -DIGITAL BQUIPMENT
CORPORATION,.”

TABLE OF CONTENTS

D-BD-

RHI&9-9-2

11780 MASSBUS ADAPTOR ASSY (RH786¢)

BACKPLANE ASSY

(MBA)

BOARD, DRILL AND ETCH
11780 SUB SYSTEM INTERCONNECT
MODULE UTILIZATION M.B.A.
M.BA.

BLOCK

M.B.A, TIMING DIAGRAM
M.B.A. FLOW DIAGRAM

B~-PL-M8275-g-#
D-CS-M8275~-g-1
E-UA-M8276-@-@

M.S.I.
M.S.I.
M.I.R.

D-CS-M8276-g-l
D~-UA-M8277-@-g
B-PL-M8277~g~&

M.I.R.
M.D.P.
M.D.P.

E-UA-M8278~gF-#

M.C.P.

D-CS-M8278-@-1

M.C.P.

B~PL-M8278~@~@

D-UA~M9g4 1-g-¢
B-PL-M9841-@-g

D-CS-M9841-F-1

D-IA-1700087-00
D-TA-BCO6R-10

D-I1A-7014213-0K

M.D.P.

M.C.P.

UNIT VARIATIONS
COVERED BY THIS
PRINT SET

DIAGRAM

D-TD-RH78@~F-4
D-FD-RH78@-@-5

D-CS-M8277-@-1

(PL)

RH788

(PL)

RH780-AA
RH78%-AB

|
_ RH 7 8

Field go

(PL)

M.P.C.
M.P.C.

M,P.C.
COAX

BCO6R

RIBBON

1/0

CABLE

CABLE, OVER TEMP.

Digital Equipment

orporation

E-MD-5012867-=0-=0
D-IC-11780-0-3
D-MU-RH78@~@~2

11780 MASSBUS ADAPTOR ASSY (RH78#)
11780 MASSBUS ADAPTOR ASSY (RH786)

A-PL-RH78¢-9-8

E-IA-7013627-0-0

11780 MASSBUS ADAPTOR ASSY (RH78#) (TC)

B-TC-RH78F~-F-1
B-DD-RH78%~¢
E-UA-RH784-@-@

SET ORDER NO

MP3d499

>«

(LTE)SLON-OL-PZLLO-NI

w | S

é |

USED ON OPTION/MODEL | DRN11780

219
w

Clg

DRB 124

SHEET I oF _1

TITLE:

11780 MASSBUS ADAPTOR ASSY

(RH788)

DATE

FIELD

B['lgh ta[l

NOV 77

Kon Qb Q7€ Y5 72

joo

<190

HEAL
Y

PROJ. ENG.

DATE

;’K:OUDREM :jz 7

SERV.

DAT

on | 7)

5128

CODE

DIST '

NUMBER
RH786-6-1

Kv.

"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."

“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 ©
1

DRAWING DIRECTORY

DIGITAL EQUIPMENT CORPORATION.

977

UNIT VARIATIONS
VAR
RH788

2| 218
Slu|d

2 |

g IR

@y -’

Jiq
'

T3 AN

DRB 106A

USED ON OPTION/MODEL

RH78¢-AA

| RH788 PLUS H71@¢-A

RH78@-AB

| RH78f PLUS H7188-B 236V AC 50/60 H3

DRN.

115V AC

50/60 HZ

DATE

BOUDREAU SEP

CHK'D.

PROJ. ENG.
.

?.E:

DATE

D, HEALY

Tl I
T

MOt

SHEET

]

dl|b[| tlail

TITLE

11780

N A

I \\XQ

11780 MASSBUS ADAPTOR ASSY (RH788)

e |< 5
ol

TITLE

PROD.

QT to

11780 MASSBUS ADAPTOR ASSY

_ NOV 77

DATE

6 nad 75

DATE

(RH780)

SIZE |CODE
B

NUMBER

REV

RH788-8

%\‘“‘d fee. | '3“’77 DIST.
|

72/

'AQH

-PBLHY
25“0’!

““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,

3900 | 3ZIS

&
CARD CAGE (M.B.A.)
E-IA~7013712=0-0

BACKPLANE ASSY

POWER SUPPLY

(M,B.A.)

E-IA-7013627-0-0

O
M.C.P.

B-DD-M8278-§

11780 MASSBYS
ADAPTOR ASSY (RH784)
E-UA-RH788~-g-@
A-PL-RH780-g-8

©)

M.S.I.

(H71092)

M.I.R.

B-DD-M8275-4

B-DD-H714@8-g

B-DD-M8276-9¢

M.D.P.

B-DD-M8277-68

W
MASSBUS PADDLE

B-DD-M9¢41-¢

CARD

BLANK MODULE

ASSY

D-IA-7014103-0-0

TITLE

SIZEICODE

(RH'ZBE?

11780 MASSBUS ADAPTOR ASSY
DRB 107

SHEET 2 OF 3 BlDD

NUMBER

RH780-¢

REV

7./

DRAWING NO.

1 | MP@@497

B-TC-RH78@-F-1
E-UA-RH78f-g-8

DESCRIPTION
11780 MASSBUS ADAPTOR ASSY (RH788)

11780 MASSBUS ADAPTOR ASSY (RH788)
11780 MASSBUS ADAPTOR ASSY (RH78f)

;

(MP)

PLATE, STUD
"U" BAR

B-MD-7419485~0-0

COVER, BUS BAR

B-MD-7419084-0-0

11780 SYSTEM POWER DIAGRAM
11780 SYSTEM INTERCONNECT DIAGRAM
11780 SUB SYSTEM INTERCONNECT
MODULE UTILIZATION MASSBUS ADAPTOR

D-TD-RH788-g-4

M.,B.A, TIMING DIAGRAM

D-IA-7014530-0-0

CABLE, POWER (RED)

D=-IA-7014249-0-0
C—MD-7419450-0-O
D-1A-1700087-00

D-TA-BCO6R-10

D-1A-7014213-0K

BCO6R

COAX

RIRRON

I1/0 CABLE

(10

CABLE, OVER TEMP,

M
M

K-WL-7013627-0-1
A-WT-7013627-0

WIRE LIST M.B.A.
A W.T. REV. STATUS

E
E

POWER SUPPLY (H7149)

E/M

E/M/|

M
M
M
M
M
M

C=MD=7417942-0-0

HANDLE,

BRACKET TOP REAR

C-MD-7418194-0-0

STIFFENER,

CORNER

(M.B.A,)

C-MD-7417866-0-0

BAR MOUNTING

B=MD-7419254-0-0

REWORK,

D-PS~1214348-0-0

BUS BAR

E/M ELECTRO/MECHANICAL

6 | B-DD-M8276-8

M.I.R.

E/M

M.D.P.

E/M

| B-DD-M8277-§

‘
-

;

({8 | B-DD-M8278-8

‘

M.C,P.

E/M

BLANK MODULE ASSY

DRB 108A

E/M

| D-TA-7014103-0-0

BLOCK SPACER

MECHANICAL

B-MD-7417973-0-0

M.S.I.

MASSBUS PADDLE CARD

ELECTRICAL

B-DD-M8275-§

| B-DD-M9¢41-8

BOARD DRILL AND ETCH, M.B.A.

M || 9

E-MD-5012867-0-0

CONN.

L M

CARD CAGE

BACKPLANE ASSY

__AWT REV. STATUS
|

E
E/M

E/M

CARD CAGE

DECAIL.

C=MD-7417965-0-~0

| E=-IA=7013627-0-0

STRIP, FIBERGLASS

A-DC-7411881-0-0

E/M
M

BRACKET TOP CARD GUIDE

STIFFENER,

C-MD-7411399-0-0

;;_'

=
E/M

E/M||

ft)

CARD CAGE (M.B.A.)
MTG, BAR VERTICAL
BRACKET BOTTOM REAR
BRACKET CARD GUIDE
_
BRACKET BOTTOM CARD GUIDE

C-MD-7418181-0-0

TYPE:

DESCRIPTION

E/M
E/M
E/M
E/M|{4 | B-DD-H71g¢-¢

CABLE, POWER (BLACK)
| COVER, M.RA.BACKPLANE

E=IA-=7013712-0=0
C-MD-=7417930-0-0
C-MD-=7417966-0-0
B=MD=-7417963~-0-0
C=MD=-7417967=0=0

C-MD-7417964-0-0

M.B.A. FLOW DIAGRAM
CABLE, AC, DC ILO

CABLE,

2
TM

D-IC=11780-0-1
D-IC=-11780~-@-2
D=IC-11780-g-3
D-MU-RH788-g-2
D-FD-RH78@F-@~5
D-IA-7014212-0-0

DRAWING NO.

E/M
M

PLATE, HOLDING

(TC)

A-PL-RH78¢-g-g
| 11780 MASSBUS ADAPTOR ASSY (RH788) (PL)

B-IA-=7418902-0-0
B-MD-7418903-0-0

BLOCK

|10

E-MD-7418172-0-0

E/M

BLANK MODULE

M
M

[d[| g[' tja!l
d.1.

TITLE

(RH789)

11780 MASSBUS ADAPTOR ASSY

SIZE |CODE

SHEET 3 OF 3 B DD

NUMBER

RH78F-9

REV

-——-m-.wA

LEGEND

[

NUMBER

VARIATION

RHT8%

BUS ADAPTOR

ruteg-an [FU00 BT

L CARD GUIDES
TO BE INSTALLED AS

;;mes IN ROWS 2,44 6.

—

230 VAC 50460 HE

a3\

;

CONFIGURATION

/
af

Vil

21.38 IN
REF
5331 MM

cnt\:n

UIDE LINES,

RGEF.OTO

]

G. FOR PLACEMENT OF DECAL #3414747-00

SEE D-1C-11180-0-|,

elary 3

5. FOR RNT7Q MODULE UTILIZATION
SEE D-MU-RHI&D-P-4

15 (aTY 3)

4, FOR SYSTEM A/C INTERCONNECTION

v
.95 IN

SYSTEM INTERCONNECTION

see pic- 1e0-0-3.

SEE D-1¢- 11780 -0-2.

oo armREr

3. FOR SYSTEM CABLE INTERCONNECTION

RuTag-AB | 3HT0@ * HTIAG-B

fl H

NOTES: (rextamns 10 flET.\‘N.Y.)

‘

D
\_

e
/

.03 REF
=1

ALAR

pgapa:
i

o)}

cc
D

|
_,

SEENOTE

)

2O(@TY 2)

‘
OR

SEE NOTE |

552,,??;’%‘

)

(SHEET

YREF.

]

(SMEET 1)

15 (@ry3)
—h

faty

—

{QTY

3}
s
H

\59}@“
2)

&
3

SECTION A'A

Y
O PONER NCRMAL

I
o

—

‘

GOUTROTR Ak

Somtaice

e TEMP
T
VER

he LN

g e

S—

253«3-" 10)

1T@rve)

()|

POWER

c
18@"0

12 REF

MBaTE'

A
(0) 20y

)

13 REF

QRGN REG. FAIL
OQOVER CURRERT

3|22

Ny zer

SCALE: i/t

[7]

{GTY
)

gariEry

ADAPTOR

O
SEENOTES 2,334
{SHEET 1}

VIEW C-C

SCALE /1

T
]
@x

FCR PARTS LIST SEE A-PL-RH788-@-&

[

3
FINET UBED ON

|
'

ShiEls

!:m

= HREN

1780

ADAPTOR

RH783)

o]
M

BASY.

MASSBU

ASSY
[T

Fo—

T
-

NOTES: (PERTAING TO SHEET®Z ONLYD)

gTM

aer

I. CONR Ji-J& ARE SBI BUS OUT CONN.
2. CONN J7-312 ARE SBI BUS IN CONN.

3. CONN Jle~J23 ARE POWER BUS CONN(REFER

TO BUS BAR CONN BELOW).
.

4. [= JUMPER PLUG INSTALLED (SIGNAL IS LOW)

RI32331%3
P

W7-WI2

INSTALL

THIS

DETRIL A

SCALENONE

J2e

'+
M
l/r
I

J"M
b

o1,!

|—T1

111

i1|—

SEE NOTE 4

(SREET 2)

MBA

SIGNAL

U
@
y

'T.Yr
ssl

TR*

Lai

u3|

[ Ala

:i@.

2g g
8

=
E

ElEIEIEI

S(S|8l8|

2|2

|WI

| @

(W2|w3|w4|FROM|

{—{—]1{—

F@2EL

—1—=717171

FB2F2

|—{11—=1T1

F@2Jt

|—|1

|11

FozM1

0 [ Il—1—]1

1{—|1|—

Fa2P;

fri—trl1

F8252

—

F2Ct

FezD!

|—|1]—]—

FP2HZ

[—lrj1l—

*ou ) Ul

S19i%1 %
Blald|d|

== —]—

TABLE

d*gi U

2 |—

!@I

-4

WIRE WRAP

NAME

FlZiI=lE

TR ARBITRATION

LEVEL SELECTION

Ri78P:

—

FIRST

)

[
OF

RODITIONAL RH780'S TN THE SAME SYSTEM

BR ¥ [N5 |W&

= :G

(

( ITEM?38)
oW
w2, w3,

= E
3|8

Fla

SEENOTE
2

Q1o

(SHEET )

L (eneET

PLUG

IS CONF/GURBTIN

SEE ROTE 3

]

JUMAER

WE, W7. AND WA,

;

NOT

SEE NCTE
§

PLUGS

SHOWLD BE CONFIGURED WITH TR-3/0 ETC.

14 ReF

SEE DETAILA-

A
(oveeT D T~

SPARES.JUMPER

W7 -Wi2,.

SEE NOTE

ARE

BEING USED ON Wi-Wé SHOULD BE STORED

Hes4dsdiprescsrrrsrrrs

2lesrsrsssrrnaracopse

Fo2J2

F@2P2

—=

F@eT2

1]—]1

Fozul.

([

irazuz

{1irj1l1f——f{—

[—iFeery

SEE NOTES 4,6E7

::B

{SHEET 2}

(@@
O

,
MATE -N-LOK CONNECTIONS

plip

@ @

SIGNAL NAME

»!5V

*:
é:zg)!

;

BIEW
\éCEALEBl/lB

CONNECTOR | € Fd

SHOWN WITH MTG. NOW
F ITEM

JISs

NO. 33 REMOVED

BUS BAR CONNECTIONS
+5v

212
£z

NCINC [ 1
T

inc]

J13

[nc]

1-9

H7 -9 | y21

1-9

Jig -9 | Je2 1-9

Tia

| GNDUSRET)

Jie 1-9 | J2@

Jo -9 | 423 1-9

NC = NO CONNECTION

[

[{

ADAPTCR ASSY

(RH78@)

seT
2

|EA|

C %

RHTED-2-2
A

o4JNOgNAHT@O=M2aTdcLh2H1V0dJLX/'ON'ONTaIoauvdd"0VA0L0loNOIyLd,I42S3a|@3Ns!10351o|L1ow

3]lvaLN,T(\_\:.)W\.xalva‘k/\13hn\1w8Nwo_:TeMoTMTMoTTTT11T1TTT
oIJ|Ln6Ig1LFTr04-e,2G£Fm0N.\8H0MHAS6N0ESvI¥OIdV¥Aa0oVSydAHSdSV0N\H“V\da\&MA%S\Y-b"\ONtyx61".»%umcm:m_M_mIm_=%nlWnl%HIGNN MW:-mwmw_mw_
e9eft|WL0g0-4028t00eh01tOL0o=l2Q- dTXVIJ04bDYD:KaO.GVdUIH¥0nN3v07dT9OVl#(1=3S¢)tXp)O(ut 9-UL9TU|OLT9TO]L
‘QYVYNASVI1N4VSv1Ld3I18S1N7H1OVS VYIN

‘QHVNA1VSII1S7L11S31IHSVNYHdOVS VYIN

TJm_A"‘3|©[&.(2€“TVO.2T0“YN1p1nI|.||N_|AT0gB8@g0hi--===-PlBD-0ggC0o6(=v--9M=R---aeL0=2AL22GgrQC-i0T0L@¥-lI2lL[5LeTaHgeU8-gtE3]HiIVaTNL0Tdi~CTid=HhVO/v~Lh--0iLB'Lny~lvv=-O--VI0nvN~VqI-==DHgaI=93aET"I--COa8CHNaTLNISN¥d“MI‘dvQ0g3oaCS-uI3,N1InvVwWHagvvNNyiI@danlgDTddd3v§.d3HdAHDII9DqTVNaHD¥NIlA@aEOUsOIM(TKaoIOvOedd/La3HFeW7VSd)NA1Y7O1YIJHdLZUOdVNdIDS4HO/OASgS3ItTaeIONOVLD3_.S ¢T=11TT[-2m]~t<21TT11-]]|tM2TTTo1-l1mALINVNONOILVIYVA
[13s|{Q(|02L.g10G9€ZLH2cVTaWaU0w40T01O0~--~40£0G(L49T20~0t58HG"199L2eOMTH00ThYe2oI0Y)66VEnnHCLlSIYTT2DlLAI3ALNIu“TaH"CQNHdIOYg3udNSIaY1YwVAdDIoMoQOHNzD=HdIuD‘vNoLIaD3VSvinINIDNdEMOdTONO#vA0¥I9"dSTIY@102LLdO£=°Y@dVNI0Ae3I°cYTSt-°=(HY*H0vSpeeOTI'i(H#*-trcdVTloIe)VHNtTX¥IO~XODIH0L2OYTI6V3N°BA0T)T-N@*Op-1PL¢T@yD83XSX£TI 09*0°19498TAT9|89]]1T|29]9811]|TZ&-5pT-A@LgIoLLNHTVyNDT2NOI7TLVITHVAT£T00[00
t6L9Og3g#GG(¢¢%7~E2c&&1|||tTI01e0E20-F~P£0=--2g9--T#6590gT@94g&0£Eem082o5g9twhG0LhLTNi16.IT0HlH1T2d9aO0-t6TTLC0WNDI1m-~adw0<\~.¥CIdF“ZQP@DTVITMgIJU1RQaAATM3vZLY1NHVgOHTIdvSDuTiVAIdMSHW€T¥yAJaISYJALYNMWIA@DoDISOFWX0dTIATSAL-({1SN9aMIYIKmOcOATytVSSMIT)I0JNdVYdIdSZL)‘NIO''OIOAONTNTVMIE#ATOIVNIYIATIdN9LdWNIO9)VI.A(TOTSM_m“RA_9¢T¢79OK_Yom1TLSE29[29¢1RI|1OYRT||CRgAg19czOC~lE1RTTzma@s_az >vac03‘O-N
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|N103LO€T38-ZIN4/VvCZ]¥IVHOT'1IWY9EN

BW4HO

[

3
23@arr 3)

Z4@ry 3

TEMg DESCRIPTION

@y 3

TONGUE. SIDE.

4 Acr
EXPLODED viEw OF

WIRE TARLE.
FROM

NOTES:

SrEaNAL

AWG

LOLOR

CONN

WiTh

CONN

WiT=

YEL

Fgr

W/WRAP|

E@zIm

WIWNRAP TR e BUSSSY 3, ITEMS 4,17,23 ¢ 24 ARE USED FOR WAVE
TRES
L
SOLDERING PURPOSES ONLY AND MUST BE

YEL

Ea291

W/WRAP

£23C1

' BLOCK
S (ITEM 3) MUST

268 PIN CONNECTOR
HAVE WIDE LEAD-INS L] .

MY X MIT]

REMOVED AFTER WAVE SOLDERING BUT
BEFORE CLEANING
.
. INSTALL 20 PIN CONNECTOR S/ITEMY)AT Jiui2

»OPY REC

g EmL

AND J24 AFTER CLEANING BUT BEFDRE

ITEM"] TYP FOR

L3REF

AW 7.

LOCATIONS 3L THRY 412

-9
TO DE#3NI BEFORE AWT.
7. PIN CONF IGURAT ION FOR SLOT 5 18 REVERSED
FOR INSERTION OF ITEM ¢ FROM SIDE 2

SEE NOTE 4

ITEMS ¢ THRU 8 AND 16 ARE INSTALLED AFTER
AWT AND ARE INSTALLED ON SIDE 2

9 @qry 20)

SEENOTEY7,8

COMPETED.

& Rer

0. ADD WIRE FROM FO2FI TO FHZMI AFTER ALL
HAXD SOLDERING HAS BEEN COMPLETED,
1. ADD WIRE FROM E@2J1 TO E®3CI AFTER

PIR ADIAL
/ PN Jit-t

r—- O3REF

ALL HAND SOLDERING HAS BEEN CONPLETED,

12. ASSEMBLY INSTRUCTIONS

i
JZ4

APPLY

Do NOT

TO ETCH BOARD(50128467) REVISION C.

OR LATER,

PiN AQ®A)

pod

SEE NOTE?

/2 5¢qry 3)
bty
3TN
e pnp—— A
PP,
Sz

3IPLACES

SCALE- 2 /1

2@y 3)

By w

=
v

Y o [
MRS R=T

A-A

"
EF.

29 REF
=

AND

E. WRAP 1)4(MIN) TURNS OF *i4 AWG WHT \IRE (1TEM*32)
AROUND PIN EPIKI AND SOLDER.

DRILL (#42).093 DIA THRU—

CHECK FOR *NO CONTINUITY BETWEEN ESIKI AND JI§-2

(Gno).

9006706-00
MW T-7013627-0

REFIWIRE LIST MBA

TorYy @

WO
-O- 1

1 [DECAL AWT REY STATUS

A DC-741881-0- 0

REF]SCR. PH HDO PAN ¥8-32
x .38

19006037-01

WIRES30 AWG SOUD (YELY

HOLE

A0SHO-44

A00158- Ole

FEF [SCR PRLAN WD¥8-32
X . LR

0071344
-01

|_jBuS BAR LEFT (GND)

D-PS-1214348-01-0

o IXRPLWDFLIBR X L1

SEEDETRIL B
33

Q006120-0

IR~

BUS BAR RIGRT (+55V)

ITEM'S pELETED

FROM THIS VIEW

CONNECTOR

D-PS~12#348-00-0)f

20 PN

iLH319-00

CONN {3 PiN) FEMALE

22 N-03

Com (2 PINDFEMALE

ITIN-00

REWORK, CONN BLOCK

ICONR, (n8), 288 P SLOTTED

8wrra)

ISUPPCRT LOGIC

se& NoTe#s | O IO

1210258 -Ot

C MO-RiBes-C-O

[BAOCK, SPAER

| 1Z0ARD,

B haD~T41100
42

L SOE D-MD
409 54-0-0
-

3 [BAR MOWTING
3

JB-MD-M1973-0

DRLL L ETCH MBA

EMD-S012847-0-0

OESCRPTION

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CABLE PCUER (8LK)|

76 {4538~ 1A | CABif PEwER (RED)| PSH2+5

PS#515 RET-B | RH72@ At5-C

RET-B|

| CABLE POWER(BLLY

| CABLE FOWER(BW)|

AC OC LO £ 6MD
AC.DC L0 £ GND

PS®5+5 PET-D | RHI8D -A+S RETC | DS #5 +5 RETURN

PS%2+5 RET-D | DW7BD+5
PS#2+SRET-B

RH780-A- J14
RH780 - T13

J
7019293@

)

7¢11249-1A

|
1

CABLE ©&
CABLE P2

AC DC LW ¢ GND

MS780 - 720
PS #4-07
MS78( - J17
MS780 - J14

7414249-1C

|
l

CABLE AL DC LOW |
CABLE RC DC LOL

REMARIKS

PS % 4-03

P2
5B €+ 12 | CABLE PI
P2
P3

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18
19

FROM

015073-0@

L
{

DESCRIPTION

DW780~ T 4

—>

REE TIEM | PART NUMBER

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i
| CABLE

11780 -D

CABLE P2

CABLE AC DC LOW |

]

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HARNESS
-5V TERM |HARNESS
RING TERM | T 780 + BVRT-D
CABLE AC DC LOW | CABLE PI
KATBOD- Ti4

| 7014212-2M
.

REMARKS

HARNESS P5

0
PS¥*2 - 76

|CABLE ACDC LO | CABLE PI
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D | KABODSA -D | PSHI +5V

)
|
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KA18D - 117

8
A | PS#1+5U

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Ig@
KC780 r KUT8P

[

7014530-¢L

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| CABLE FOWER(RED)| KA78B-A+5A
D | KA780-A+SC-B | PS #245V

ZC)|
(o]

‘.

’

—

7014250-0K | CABLE POWER

PS#4+S RET C | M578@-J5- A | PS#4+5 RETURN

7019750$K | KIR MEMORY BLK | PS#4+S RET D | M5780-05 E

7014243-3M

31
32

7014529-gK | CABLE POWER
PS#4+5
+5 MEMORY (RED) | PS #4+5

KAZD - 720

FLOPPY RELAY

PI
PI

HAIT - O
KABO- J13

701424321

56 PR, HARVESS
T
e
7814243 ~®L | CABLE POWER (BLK) | KA780-A+SARET D | FRAME

TPIaZI2-OM |CABLE AC/DC O

HARNESS

NOTES:

CABLE Pi

DWI8@-Ji3

CABLE P2

KAIB@-J1

I. REFER TO E-UA-KA780 FOR INSTRUCTIONS OF

C | NSO -01B- A | PS5 #4+5V
D | Ma780-J18 B

|CABLE TOT-OD.BAT.| HARNESS

JUMPER REMOVAI
PS#].

IN CONFIGURATIONS USING

IF THE FP78® 15 INSTALLED
ITEM 57.

REMOVE

3. I THE FP78p TS INSTALLED; 1TEM “Se P!
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ITEMS WITHOUT WRITTEN PERMISION.

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@ 1979 ., DRITAL EXNPMENT CORPORATION®

I7EM # S

Pra | pi | rre

Pr7

Pl&8

—

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oc Lo

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ps ¥,

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ITEM G

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SUPFLY 1 8¢

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4 BATreERY OC LO

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, Ho-D- 5V
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36MD

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— | SUPPLY 2 AC LO
2 SUPPLY 2 DT LO

8 G

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2 Cl8F FLOPPY ON
H

2 surpLy 3 O¢ Lo

7 GND

P+
AC.

5l o2

1 +5V FLOPPY /SCP

—/ SUPPLY 3 AC LO

SUPPLY 2 AC LO

I7EM 25

w17

KAIBD -A

BACKPLANE

ow78p-A

2 6MND

2 6ND

2 412y

4 +:8

—— | 5.2V

| -2V

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3458

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| OPTIONAL
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|
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&
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|
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TERMINATED IN SeoT %47

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THE

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FOR EBLAERENCE

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THE SBT IS
OF

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TN LOCATING CABLE DECTINATIONS
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2

SIZE

NUMBER

D{IC|{11780-8-3

O A
%
Tw |

REV.

o0
ag |

“THIS DRAWING AND SPECIFICATIONS, HMEREIN,
ARE THE
PROPERTY OF DIGITAL EQUIPMENT CORPORATION AND

AT A8 T SAS FOR T

AR ACTORE O

g
REF

ITEM

NUMBER

11780 -Cu/CV

|PART NUMBER |

DESCRIPTION

7P915073-P
-A [HARNESS -5V TERMINATOR|

11780 - cU/CV

FROM

REMARKS

-5V GND

HARNESS - P|

PS*2 - Jo

HARNESS - P2

KATSP-JI18

HARNESS- PS
HARNESS
- PG

MS78p-J1]
DW 78¢-Ji5

-5V GND

N.C.

£ 5VGND

HARNESS - PT
[HARNESS RING TERM.

R
DW786+5V-D|

RS Witk

7915¢73-p-p
[HARNESS - SV TERMINATOR HARNESS
3 RING
kRNTERM,
§

T@14212-9H | CABLE AC DC LOW

7¢14212-2M | CABLE

7014212 -¢M | CABLE ACDC LOW

T$:4212-1C | CABLE AC DC LOW

Tp142491A | CABLE POWER (BLK)|

CABLE - P{

KAT8%
—J 16 |AC,DC LOW+GND

ITEM "e-J|

CABLE - P|

PS¥2 -J3

CABLE- P2,

ITEM*G-J2

CAB.Z - P2

KATEP-J\5

CABLE- P
CABLE - J1

MS78¢-d
16 |AL.DC LOW+GND
TTEM#3-P2

CABLE-J2

[TEMTM4-P2

CABLE-P2

CABLE — P\

1914523 -8K

T4 52¢-1A|

&
(1
_(®
(9

CABLE POWER{RED)|

¢4 53¢-1A] CABLE POWER (RED)|
T@1424a-1J | CABLE POWER (BLK)|

POWER (RED)| PSE2 +5V -C

IP1453p-1E

-B

1P1453@ -1E |CABLE POWER (RED) | PS*3 +5V - A
7@/6957-@-p [UNIEUS PWR HARNESS|

-¢

]

-B

HARNESS ~ Pl

PS*5 - J1f

IPI4212.-8M|

PS*5

PS*2 +5V

HARNESS
RINGTERM o4l pe 5 5y -D|
'
( RED WIRE)
[

-P5

|AC,DC LOW +GND

Pe®s +5v

{

L TP/695 /-0
4 UNIBUS PWR HARNESS

RINGTERM

S\-P8|PS 5 +5RET-D | PS 5 +5 RETURN

(BLK WIRE)
|

-P

-PI10

CABLE — P|

HIl =gl

SCP -J3
RXB1 = 1

FRAME

AATBB-J 1T

SEE NOTE

PSTMi +5A RET -D [KAT8P+5ARET-D]
~c
_C

PS°! -5 RETURN

-B

Sca

PSZ| +5A RET-A

KATBP + SARETA

—D
~C
-B

1314530 -¢L | POWER CABLE (RED) [ PS*| +5v

-A

CABLE - PI

CABLE - P2

KC78¢ or KUTS
CABLE POWER (RED)| KAT8@ +5A

|[KAT®B+5A-D|
iy
-5

[KATSP+5A
-A

PS% - U3

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TM
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ACDCLOWEZGND |SEENCTE 3 | ©
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3—5

¢
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SEE NOTE 2
|KAIBB+5C-B| P52

+5V

NOTES:
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DW780 —JI3 | SEE NOTE *2

T7$14530-PL | POWER CABLE (RED)| Ps *( +5v
1
1
I
!

[ 7@14530-@\]

KU780

TP14212-FM| CABLE AC DC O

L_57

P5¥4 +5 RETURN

8¢ +

)

2.
3.

®*

HARNESS

MST8P-JI8 -A|PSsTM4 + 5V

-D

CABLE- P2

TPl1424-PL | POWER CABLE (BLK)|

-C

|
-P
-B
HARNESS [RES VERMLP7I P5 TM5 +5v -A
:

CABLE AC/DC LO

101424-PL | POWER CABLE (BLK)

52
53
54

|[PS*5+I5V -I5V+GND

-J3

-C

-p2
T

HARNESS (RNC Wint) -P2[Po
5 +5 RET -D [PsTM +5 RETURN
HARNESS - P3

HARNESS -P|

KAT80 +5C-A

-D

7@i424-pL | CABLE POWER (BLK) | KAT®& +5A RET-D

48
)

KATBP +5C -D {P5*3 +5 RETURN
|

NC. (OPTIONAL)

MS 78@-J15-A]

KAT8p -J14a

[KA78@+5C RET-A |P5*3 +5 RETURN

HARNESS - P24

Ps%a +5Y RET - C

PS*4+5v

FP78d

KATBP +5B-C

[CABLE POWVER (RED) | PS*3 +5Y -D

[

TP14243-21

DW 78@ +5V-C

T7¢i4242 -1J |CABLE POWER (BLK) | PS*3 +5VRET -A

RKGIL - P&
NL cl [OPTIONAL
|
NAL)

|[DW78@+5 RET-B PS *2+5 RETURN

PS*2 +5v -A
KA7T8@+5B-B|
PS¥3+5V RET
- D [KAT8P +5CRET -D
-C
-C
-8
-B

-PI7
-Pi8
)

KATBP -J 2@

MS78P-414

PS%*2 +5V-B

RKGil ~ P2
RKGIL ~ P3

7814243-3M | CABLE TO T.OD. BAT. | HARNESS - pa

[KAT8P +5B RET-C[PS®2 +5 RETURN
DWT8P+5v-B| PS®2 +5YV

PS*2+5 RET-A
Ps®2 +5v -D

-Pi5
~PlG

T9142492-1C | CABLE POWER (BLK)|
7¢14 53¢ -1A | cABLE POWER (RED)|

is5

CABLE POWER

MST8@-J17

CABLE - P3

ADAPTER BOARD-J2| ADAPT.
AC,0C LOW+GND
N.C.(OPTIONAL)

MEMORY (BLK)

+5 MEMORY (RED)

REMARKS

-Pl14

FLOPPY RELAY
SC PWR HARNESS

[DWT8@+5RET-C

CABLE

|=5B+I2Y+GND

-Pi3

1¢14249- A | CABLE POWER (BLK) | PS®2+5 RET -C

7¢
4 523g-1A|

PS*4-J7

MS780-J28

CABLE POWER
RTR

131424 3-1C | CABLE POWER (BLK)| PS®2 +5 RET- B |KAIGP+5B RETB

k3
E

|AC, DCLOW+GND

1214 250 -8K

JAC,DC LOW+GND

PS¥4 g3

70/6 987
-0 - DUNIBUS PWR HARNESS |

AC,DCLOW-GND

PS *3-J3

PS¥2 +5 RET — D

HARNESS

—525

CABLE- P2

FROM

70/694/-8-2 |[UNIBUS PWRHARNESS|

KAT8P-J 14 |ACDCLOW+GND

CABLE
- P\

7#14212-PK | CABLE £ 58+ +12V

DESCRIPTION

+5V

DW78¢-Ji4

CAB\E - P\

—pJ |ACDC LOW WYE CABLE|

CABLE - P2

CABLE- P2

T@14z12-2M | CABLE AC DC LOW

NUMBER | PART NUMBER

3
DW78p+5VRT-D|
+5V RETURN

CABLE - P\

AC DC LOW

REF ITEM

REFER TO E-UA-KAT78@ FOR INSTRUCTIONS OF
JUMPER REMOVAL IN CONFIGERATIONS USING PS
|

IF THE FP78p 1S9 INSTALLED. REMOVE ITEM 57,
IF THE FP784 1S INSTALLED: ITEM *56 PI CONNECTS

To PS”1-J3 OTHERWISE IT |5 CONNECTED TO
DWT80
J13
T80 - Ji3.

-C

THIS SHEET FOR

CU+CV VARIATION
ONLY

-B

HARNESS SINC [FRM-PI Pe TM5 v5 RET-A|
HARNESS - Pl2

ADAPTER 30ARDJIAC,DC LOW + GND

REVISION HISTORY

oaTE|

ecomumesr

[rev.

.
DRD 137A

TM 1178¢ SUB-SYSTEM

INTERCONNECT
N
|
2

SIZE

DOCUMENT NUMBER

NUMBER

1780.0-3

DIIC A f—
SCALE
| 7w

REV.

|seer 8 OF9S

)

DIMIVIRG AND SPECINCATIONS, MEREWL, M THE

| LT T2
e2

OF DIGITAL EQUNPMENT CORFORATION
D SMALL

Pl 43T, A3 PR I WARAACTURE OB £

Vew Frarr S/0& &

(TEME WITNOWT WRITTEN PERMISSION.

, DISTAL EQUIPMENT CORPORATION"

‘

NOTE: 1) #IOK PLUBS JAf ON SIOE
2

N337S

TFI

15373

NS4l

MSI

MIR

MCP

MASSBUS

2) TWO BLIE FOOUES SPE
WSERTEL

/AN SLATS

2
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DAN. AFM
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CHK DTaypasry, | ov2)) VAX 11780

PRL

TITLE

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1

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MBA/SBI INTERFACE

cPTRT @ ’;3) , DIGTAL EOHPWERT CORPORCTION"

(TEMWS WITHONT

por

6
|
_
INT Bus| |

M8275

DRIVERS|

(TRI-STA
>

SLoT |

' CONTROL
STORE
(RAW,I

MST]

MBA INTERNAL REGISTERS

M8276

L|
|

TAg 5
DECODE

||
ADDRES‘.;»{‘
FUNCTI

CHECK

C/A

R/W CMD

MS1

Ms1

SBI

CONTROL
STORE

(ReG SEL

DRIVE
SEY
T exs—

ISRIISR

LATCH

MsI

AN=

BUFFER

MIR

‘I

INTERNAL
REGISTER

—

REG SEL

OPERAT 10N sTROBE ]

—

- -

l_ ———
|

MIR

BUSY

Mst

RETRY

MuX

MSI

ISR

NTRo

- MDP

MoP|

MDP

SC?’TSP?#S

{}

MUX

DATA
ouT

(4:0)

BUFFER

MoP

CONTROL

TRI-STATE )

|
i

}
|
I

(TRi-sTATH

|
|

OUTPUT DATA MUX

MDP,

'ZD"

(2:1 TRI-STATE)

| INTERNAL BUS (TRI- STATE)

]

DATA/ CONTROL PATHS

McP

ENAB

Il/4/7¢ | FIRST USEDON

VAR

rmos ena g, ux o/l

MASS BUS

ICONTROL

McP

NEXT HIGHER ASSY.
B-DD-RHI180-P

|[sze

seer__
2

_Josr
I

) ord

igi

11780

tlall A

B OCK DIAGRAM

PROD. Pl Jag_ | niiinim

PATH IN

mMcp

oo e

MASS BUS

DRN.

.)
S

[

oy
==

MCcP

] I

<
i

(co
PATH)

(

MASS BUS]

XCEIVERS

MCcP
! l

]

MASS BUS|

XCEIVERS
(DaTA rani)

alTz

DATA

MIR]

S1L0

INT BUS

CHECK
COMPARE
.

MDP

|
QUTPUT DATA MuyuxXx
(8:1 TRI-STATE)

[

CoNTROL.
PATH OUT

mMDP

WRITE

CMD/ADRS

MUX SEL
]AND ENaB

CONF

ECEIVE) N/R

DATA

Mux

|
|

MIR

2:1

MDP
MUX

(TRANSMITH

ICONFIRM
LoGIC ||

MopP

i
I

MSI

]

|
:

MIR

VALID ISR

MIR

IRTUAL

:J\v ADDRESS

MCP

?SflsmoL

|
|

| o

|
|

RD) |cHEck

I
4

]

s BUS

INT BUS

RECEIVERS

MIR

DATA IN

MSI

I lwo

REQ OK

M8278

T
DATA 1N

]

SLOT 4

]

MASSBUS CONTROL PATHS

]

VALID

XCETVER/

:> REGISTER
STATUS

|
I
I

CONTROL /

;

|
C

INTERNAL

MIR

52R"

—

sLOT 3

RECEIVERS

| CT

MSI

277

I
INTERNAL BUS (TR- STATE

INT 8uS

HASSBU&BDATA PATHS

SLOT 2

BER

MBA
REV.

[T T [ { T T
1

]

“THIS DRAWINE AND SMCEICATIONS,
MIREN, AM TvG
PROPERTY OF ONITAL IQUIRAINT

CONFORATION AMND

SALL NOT ST RIPRODUCED OR COMYED OR LD W WhLE

OR I PART AS THE AL

oF T

cormet

FOR THE MAMUPACTURE OR SALL

PERMISHON.

Q/F)

AL BQUISMENT CORPORATIONTM

MBA CONFIGURATION [STATUS REGISTER
Dl

ADORESS = 206RY 500

"PROGRAM

WRITE
B&AT?RSITYUEECREOERRROR
UNEXPECTE D REEAQD DATA ERROR
MULTIPLE

T Tele[e[e[ee[o[oe[o[o]o]e]e[eo] [o]oTo
o]+

—

D1¢

Anfmn. POWER UP
—

OVER TEMPERATURE —
(NOT IMPLEMENTED)

TO CLEAR BITS IN THIS

PROGRA

nwsmxma mox

A
wme |

MBA BYTE COUNT REGISTER (REG 4)

1@ [ Te[o]

NO
—

(REG @)

31302128272&252123232!20!918|7ILISMBICHI!?876543&?)0

ADDRESS= 20817018

PROGRAM

RAM

PROG

et
o4 L L L L 4 L T YL SV L B
PP P|P|P|P|9|9]|D|0|P|0[0|0|0|9]0]|0|0|0[0]|0|0|0|0]|0|0

NOTE .

ALL BITS ARE READ/WRITE EACEPT INITIALIZE WRICH

ALWAYS READS AS

3: 30 21 28|27 2 25 M|23 22 21

17T

BoReS'S 209r7pee
#[o[efe]e]oolelal T I [ [ol6l I
NODQTQPJSSAESEERF%JS\ZT
€
on
1o N _]
]

CORRECTED READ

DATA

[

BLOCK

]

8|7
y

[T T T

SV S

4|3

]

TT1

MAP

PARITY

10 SBI

//’ AUV EXTERY
AL RES/STEN

TRANSFER

EOVK\PLAEBTOERT

DATA TRANS E

MBA

—

MASSBUS DATA

PARITY

INTERFACE'

2) WRLTE | 70 CLEAR BITS IN THIS REGISTER

ERROR

|
—

L Ar P

T T T T T I

—

T T T

M B R[N

M I

T T

\—sr—*

—y

8[7

T HT

4|3

TTTITT

—

0OcCC -

SEQUENCE TIMEOUT

READ

DATA

—

MBA ADDRESSING

PROGRAM OR CONSOLE

3/ 39 27 28|27 2 25 241232221 |1 /8 17 K|l M I3 R|N 1@ % 8|7 & § 4]3 2 | 8|
A

PRYSICAL PAGE

BYTE

ADDRESS

ONLY)

SELECTED MDIB (READ ONLY)—

(VALID bu:u(s MAINTENANCE MODE OMLY)

[T K|IS

13 12N

PAGE

FRAME

FUNCTION

a]\c[o]o

B8]T

4|3

}

NUMBER

K|IS
M B RN

o[o[\cs[a ¢|¢[\¢[ _

L¢

8|7

S
L

4|3
L[

2
1

Lfa]d: .

SNT N B N N N US|
'

MAP | INT/EXT | SELECTED REGISTER OR MAP

SBI B<q7| SBI B<8>

NOTE:

c,z

SBI B<7:0>

AP
SELECTED

FTT] Ll[a[o[q\[a]¢|¢|¢|¢|¢[a|¢[dl [TTIIIIIITITTITINTT

)

2|1

INTERNAL /EXTERNAL

BITS @ THRU I ARE READ/WRITE

3 2r28j27 2L 25 24[23 2Z 2

ser Appress

¢lofe[e|ofe[efoefefefofefefe[ | [ [ [ [T T T T TTTITT]
‘

(READ

olofofofolefefofefe [ I T T [ T TT I TTTITTITTITII]

PHYSICAL. ADDRESS:

SRR

(READ ONLY)

CTOD

TImMeOUT

(REG
3)

MAP pomrsn—}

eRwmear gesenno |
e
N TR e 2?{?(7— (READ ONLY)-

MASSBUS

PHYSICAL

2'S COMPLEMENT OF NUMBER OF BYTES TO BE TRANSFERED -

LTI
T?S T RI § P T T
s

conrmw\nou —
DATA
SUBSTITUTE

WHICH IS READ ONLY

PROGRA

(REG §)

30 36 29 28|27 26 25 24(2322 21 MH|IY

VALID BIT 3

INVALID MAP

saao&

__| FookeS - zognrsac

MBI

REGISTERS

‘23255%%?%“”“

PARITY FRROR —'

MAP

PROGRA

MASSBDS EXCEPTION—

BITS FAOI THNE SIPTUS PEGSTER

MBA VIRTUAL ADDRESS REGISTER

MASSBUS WCLK

DIAGNOSTIC TEST PURPOSES ONLY

CHECK= SSED
LOWER TRANSFER
ERsoR —

RECISTER SAE

/6 =3) PRE THE COXPESPONIUG

BIT 31

msiaafsssagnfiu&u@gfslglm

NOTE:
BITS 21 AND 22 ARE READ/WRITE FOR

/re'r.mav:o I BITS F-/5. BITS

EXECPT

Smus'ifllfusr%'( E?L

WRITE cnscrAN%;E% Légfoi B

S o ok reirs by Tk/S
B

VERT

SENDINE COMMAND

PROGRAMMING ERROR —T— |
DATA

EXTERNAL

comxou_ PARITY — i

NON
EXISTENT DRIVE
MASSBUS CONTROL PARITY ERROR
—
MASSBUS ATTENTION—

T T TP

SIMbTe Ml —
.

—>

|5 M

)

CONTROL/STATUS

(REG 2)

PROGRAM

31 36 29 2827 2L 25 21[23 2221 26|11 18 1T

SIMULATE

STATUS

(READ ONLY

DATA PARITY
INVERT
MASSBUS

1“1”'“11'5

MASSBUS

INTERRUPT znms

MBA

MASSBUS BYTE Cmt"m ¥

°- ADDRESS = 200X
914
LL LT P
INVERT MASSBUS _Lf:—‘_‘_—._-_—‘.‘:-—

MODE _T

MAINTENANCE

W|11

CONTROL REGISTER (REG 1)

ADDRESS= E6XT @64

"DATA WRITTEN INTO SBI BYTE COUNTER
IS COPIED INTO MASSBUS BYTE COUNTER

MBA DIAGNOSTIC

MBA

3292827 2L a5 M3

_KOTE:

ADMPTOR CODE —

DECOBED

BYTE

MASK

Ea’iTPER"&'ierEEGRBZeE?< i @

SETADDRESS

| No RESPONSE

| 7

Si4(3

2 1

\ns2]osi [ose|rse R3 (w2 ks [rs8)| -

CHANGE NO.

}m.

|
=

CMBR

[

TERNMAL

& MRP B/T HSS/GNSY)

[

brive

SELECT

mMASSBUS ADAPTER

’“‘E"'

SCALE 7oyt

ost. |

BLCCK

REG]

_DIAGRAM
[SHEET
£

BOjRH788-2-3~|
|

[

111

:m:?&’*’%fi_'E
TAT

‘

TE:

THIS

SIBE| PWS
REVERSED.

_MIR

SIDE ). .
BUS MBAINT B84 H.
BUS SRI Be% L

SLOT

MDF

MCP

sLoT 3

SLor

'
SIDE 2
M| +5V
B Bus MBA INT BYJ H

SIDE'|
.
SIDE 2 .
BUS MBA INT B¢d H
[A]
+5v
MDPA VAR BYTE CNT L [B] BUS MBA INT Bl H

SIDE I
"
SIDE 2 BUS MBA INT B8 H
[l +5V
- MDPA VAR BYTE CNT
L [B] 8uS MBA INT B!

BUS SBI BRI 'L

L] GND.

MIRT INV MBCPO PAR H|C|

MDP

BUS S8T B&2 'L
BUS. SBI B€I_L

D] BUS MBA INT 862 H
£] BUS MBA INT B@3 H

‘

MCPA INIT COND L.

. F| MSID WRITE FCN

END

PI.BUS MBA INT B4

MBA INTR CODEl' H

[T/ MBA INTX CODEG

BUSMBAINFPRAOS.
M.

~ [K|MIRE

H .

A BUS MBAINT RG6.H . L[| BUS MBA INT BE7 H =
‘BUS SBI BéA L~
BUS SBT BAA
L

"BUS MBA INT B®6 H
GND

BOS SRY BOS
L. ..

[P] BUS SRI B47 L.

BUS “MEA INT BI® H

(R}

BUS MSA INT B4

ti2v’ "

" GRD

]

MBA
TR SELB L
MSIC LUNTAM L

MBA TR SELA L
RI12

7] BUS SBI BIS
L
IK|

8US MBK INT Blb H .

MSIE CLK VALID CMD H

M MSIE EXP WO H

BUs SBI B18
j

MSIF SET CORRECT RD L

S| BUS

SBI Rlb L

GND

[T BUS

SBY B)T L

BUS SBT

+SV

BUS MBA INT BI? H

SIDE I.
BUS SBI B2& L.
BUS SBI BR2!

C|
.

|biBu¢ SBI

BUS MBA INT B2l

|F] RUS MRA INT B23 H

SRI R2Z L

_BUS

MBA INT 826 H

GND

|P|

‘

MCPJ SET MCPE

BUS SBZ B2a L

|T]

BUS

BUS MBA INT B3¢ H_

SBT R2Y L

BUS MBA INT B3F

+5V

GND

MDPF

SCIK2 H
+5V _

[T
IVIBUS

MASS

DI4 -

DIMIRD MB EXC+MDPE ¥

MASS

If| BUS MRA INT B22 K

BUS MBA INT B2/ B

DT CMD

GND

BUS MBA INT B29 H

[S| MDPT WCK LOWER ERRH|TEMIRD

MB ABORT IMM

U| MIRF GR TST

Iv] BUS MBA INT B3/

DIS +

MASS

D6 -

MASS

DI7

- GND
c

P MASS

SPl

BUS MB8A INT B24{ H
GND

MDPF SClk2
H

()

GND

MIRD

Ui MCPB DT BUSY H

+SY

[Vi

BuS MBA INT

B3l

MASS

Cis

6ND

IN|

MASS

CH —

MASS CI3 +
MASS Ci2 -

P|
Rl

MASs CI13 MASS CI2 +

MASS

DI2 +

MASS

*DI3 -

MASS

H| GND
MASS
H

CPA

3
(~SVINO CONNECTION

Ci4 (+)

MASS CHA

CI3 (+)
Ci2 ()

[\{

REC MB ATTN H.

IDE

DISABLE MXF L

GND

.GND

MASS

MIRD MB EXC +MUPE H [D]

MASS

DI4

L
M
W]

MASS RS2 )
.

MASS RST (=)
A

GND
MASS

4
;

cwmctno

INIT (-)

S| MASS RS2 (+)

I MASS

RS1 ($)

MMCPB

DT BUSY

SCALE

D14 —

—

]
MASS

DIS

B
MASS

DI&

MASS

DI7?

H|
J|

GND
MASS

D17

MASS

SPI —

MASS

INIT -

MASS

RS2

MASS

RS}

MASS DPA —

F—r-

MASS

SP1

MASS

INIT +

MASS

RS2 -

GND

MASS RS1

—

V| (+5V
) NO COXNECTION

TMEMASSBUS ADAPTER
BLOCK DIAGRAM

=iz

rg
Fo

(8B ETCHED

Di¢

REVISIONS

aw |

o3}

+SV)
N0 CONKECTION

GND

GND [T| MIRD MB ABORT INM

+5V

MASS

MASS DPA

MASS INIT (4)

flO

W
|JIMSIE CLK EXT READ H
|K| MCPB DT BUSY L

c MCPH REC MB FAIL H

DI3 +

Bl MASS

DIS” -

DJ2
-

E
GND
MSIE Clk EXT CMD N

CI§S

SIDE

(+SVINO CNNECTION

FIMCPB DT CMD

SICE 2

+SV

|[B

MASS

[V[MIRT SINULATE OccC W

MB ABORT IMMH

SCIK H

-5V

[T} MCPE

L
H

CPA

occ

S|MCPA SET MXF L

MCPH REC MB.EXC N

MASS

CPA ()

Pi MASS
RI MASS

MCPI SET MCPE

B27
H

—

DS@ -

GND

MIRY SIMULATE ATIN H K]

[RIRUS MBA INT B29

__IT|

+SV

occ

MASS

|k BUS MBA INT BIS

SIDE |

BUS MBA INT B34 H |S| MDPT WCK LOWER ERRH

EOS

DI- +

SPI

RUN

71 MASS

MDPA

DIS” -

MDPA-

Q13 (-)
Ci2 (#)

MBA

[H|

MASS
MASS

Ds@

GND

REC MB

B| MASS

BUS MBA INT Bi3

0CC ()

SIDE
A}

|F[MDPY

! (+5V)
NO COMNECTION

(+5V)
o COXNECTION

GND

Dl MASS

(+12¥)
N0 CONNEC TION

SIBE 2

45V

BUS MBA INT BeS H jil BUS MBA INT B28 #
MASS DPA —
Ml MASS DPA +
MASS

SIDE 2

K| BUS MBA INT

MCPH REC MB EXC H

MASS TRA +

BUS MBA INT B24 H

GND

Cl4

[HiBUS MBA INT B22 H
MASS DI7 -

MASS

EI BUS MBEA INT B23 H
{Fl MASS

GND .

I MASS

bSI

MASS TRA -

GND

CPA (#)

B MASS “Dl4

MASS

M{ MASS

+S5V.
[}

[TI MASS DSI ()

Ul MASS TRA (=)

CIS (3

_pse -

MASS

DIZ -

SIDE

M
Wl

B] MASS 0S4 (-)

GND

[A]

DSI

DEM +

MASS

CIS ()

MBA INT B)Y

DSt (-)

MASS

Pl MASS

J| MASS

SP2

BUS MBA INT BI4

MASS

DS2 (#)

GND

_DS2

MASS

Dl +

U MASS

MIRD MB IXC+MDPE H

’

GND

BUS MBA INT B24 W

GND

BUS MBA INT R25 H [t BUS MBA INT B28 H
MSTK HOLD TR H
M
'
H

GND

SIDE

[K|RUS MBA INT B27

BUS MBAINT B4

+SV

-5V

[S| MASS

+5Y

BUS MBA INT B24

‘MCPH REC MR FATL H

RUS MBA INT B2% M

U] BUS SBIY B3I L

[Pl MSIF ik DIRI
"[R| MDPA EOS H

SIDE 2

L _ [FIMCPB

[R|

BUS SBI B34 L

4| BUS MBA INT B22 H
[J] MCPR DT BUSY |

MCPA REC MB EXC

BUS SBT B27 L

BDS MBA INT BIS H

MASS DEM -

GND

IV BUS MBA INT BIl H

BUS MBA INT BI2 H

MASS

BUS MBA INT BIT H
H

+5V

DI3

SET MXF L

UIMIRT SIMULATE 0CC H

UNTAM

Blb

MASS

BUS_MBA INT 836 M
_&6ND

GND

[TIMCPE REC MB ATTN

MIRT SIMULATE ATTM H

ocC (-)

MSIC

BUS MBAINT

Dl -~

MAsSS

MASS

BUS MBA INT B2 A

DS@ (+)
DT 60

BUS MBA INT B4

SIMCPA

MASS
MCPB

MIRR SET PGE

GND

BUS MEA INT B35 4. [L{ RUS MBA INT R2g
N
BUS SRT R24 L
M MSIK HOLD TR H
RUS

-5V

v;sus MBA INT B9

BUS MBAINT Big
MSIF Cik DIBE H

GND

FI MDPY REC MB SCLK H

F| MASS

MASS

S§

_GND

RUN

SP2 -

[R|BUS MBA INT B@9Y H

MIRY PWRF INIT L-

GNU _ HI MDPA

P6M INIT

{P| MASS

MASS TRA ()

JE| BUS MBA INT Bi3 H

BUS MBA INT BI2 H__

[p
RIMSIF SET CORRECT RD L

BUS MBA INT B2I H

RUS MBAINT Bi8 H
]
.

[K| BUS MBA TNIT R27 H

BUS 'SBI g25 L

REC MB SCLK H

BIMSIF SET RD SUB L

MSIE CLK EAT REAb W .
_

MSIC UNJAM

DsS2 (9

SIDE I

]| BUS MBA INT B22 H

MSIE CLK EXT CMb H
c BUS MRAINT B24 H

M{MSIE EXP WD

+Cv

MSLIE CLK VALID CMD H

B23 L

GND

BUS MBA INT BI7 H

SIbE

BUS SBT R22 L

aND

DT GO

[KIMIRE

4S5V

B
MCPB

|4/ MDPA RUN H

BUS MBA INT Bl6 H

SIDE 2
Al

MASS DEM (-)

SIDE |
|A
Bl MASS FAIL H
D
E

MASS

BUS MBAINT B8L H {LIBUS MBAINT BG7 H.
MASS

+SVv_|vi BUS MBA INT BI} H
L

|F| MSID WRITE FCN H

JHi BUS MBA INT B®1 H

BUS MBA INT B/ H

SIDE 1

GND

BUS MBA INT BGS

[T} MIRF VAR BIT®8 H

G6ND

[B|MSIF SET Rb SUB
L

GND

B1T@!

MASS DEM (+)

CARD

GND

MDPS DING INT BUS IN L M BUS MBA INT Bg8 H
MDPS DIAG INT BUS EN H | GND

MIRF VAR RITOZ W

MIRV PWRF INIT

[FIMDPY

[R|BUS MBA INT B64 H
S| MIRF VAR

+5V

D] MBA TR SELA

_GND

]

+iey

BUS MBA INT B H __ [K|BUS MBA INT RIS H

BIY L

+5V

MDPA VAR CNT

E|Rus MBA INT BI3

MBA INT Bi2 H

SIDE 2

BUS MBA INT B2¢

_
,

=5V

[P MSIF CLK DIB}

MIRR SET PSE L

SELB

i BUS MBA INT R47 H

B| MBA TR SELC L
Cl

GNKD

GND.

BUS MBA INT B/8 H
DIBR2

BUS

BuUS MBA INT BIS M.

BUS MBA INT BIY A4
CiZ

MSIC UNJAM L

—BUS MBRINT'BI4 f

MSIF

MBA TR

"BUS MBA INT BAL H

K| MIRE P6M INIT L

BUS MBA INT RI® H

SIDE 2

DT G0 L

|J| MDPF SET MDIB FULLL

BUS MBA INT B6S H

[V| BUS MBA INT BII H

[A|

sP2

H| BUS MBA INT Bd4 H

MDPE REC MBD PE H

|T] MIRF VAR BIT@d 4

jpIBUS S8I BI3 L

BUS_SET B4 L
g

MIRF VAR BITS!

MBA TR SELD
MCPB

|FIBUS SRI

GND

MIRV PWRF INIT L

£1BUS MBA INT BI3

BUS MBA INT B2 H

BUS MBA INT B49 H

1F] mASS

.MDPS DIAG INT BUS EN L 3 BUS MBA INT Rfa H
MDPS DIAG INT BUS EN H )| GND

GND

P] MIRF VAR BIT82

SIdE |

+5V

M BUS MBA INT B8 H
Nl
GND

BUS MBA INT Bi®

SP2 +

GND

|J] MOPF SET MDIB FULL L —

BUS MBA INT B¢6 H L] BUS MBA INT BR47 M

B'MBA TR SEL{

|K] MIRE PGM INIT L =

SIDE 2

MBA TR SELD L
DT 60

_BUS MEA INT Bds~ H

MDPE REC MBD PE 4

BUS SBI B¢ L

JA|

GND

_MCPA INIT COND

|| BUS MBA INT BR®4 H

VI Bus” MEA INT Bl H

MIRV PWRF INIT L

MIRI INV MBCPO PAR H K]

MASS

FIMSID WRITE FCN H

GND

Ul BuUS SBY BII -L

+5V

GND

MCPA INLY COND L

+i2v

SIDE'§

IC|

SIDE 2
(+5Vv) N0 COMNECTION
:

WCPB DT REV H
D BUS MBA INT Bd2 H
MCPA SET DT COMPLETE L |EJBDS MBA INT RG3 H

MDPA .VAR CNT H

H .

PADBLE

SLoT §

MCPR OT REV H
ID{ BUS MBA INT Bg2 N
WCPA SET DT COMPLETE L. F| BUS MAA INT R#3 H

.BUS SBT 8d8 L

" BUS SR EI® L

MCPR

GRTST

MASSBUS

MCPR DT-REV H
5 BUs MBA INT 802 A
MCPA SET DT COMPLETE L [E| BLS MBA INT 863 H

PGM INIT L.

GND

AND SIDG 2 PINS Aef

SIDE |
SIDE 2
‘ BUS MBA INT BgG H [Al
+5V
- MASS FATIL H
IB[BUS MBA INT B4l

IN FRerm

THE P SIBE OF THE BackPavel..

YRt ©) / F 7, JOMITAL BQIPHENT CORPCRATION

]

ComwNEcTR CARD PLUGS

ooy CTUN Ot 1L

SLOT

[sHeer
3

BRACKPLINE)

oTM
e
D |8D|RH788-4-3
ost. |

roin Y. 5. DIGTAL (GUUnT COMOAATON. A0
2o e AT A5 Toed BADS FOB Trot MANCSACTUS OB LK
?o"::a

| [ [ =2-zermopeg) 2 |
Mork.

sLor

45V

'~
[A]

SIDE 2

GND

BUS SBI M2
L

SLoT

SIDE )
BUS

D] BUS SBI M3
F| BUS SR
[H| BuS SBT
i

MSIC GEN MAP PAR H
SBI TAGO L

SBT TAGI

IN|

BUS SBI TAG2

P/BUS
H

GND

MIRV

BUS

+5V

IDI

T[ Bus SBI Idb2
U] BUS 3BT Ib4

FuT

[A]

REQ4A

[B| MSTH UNEXP RD FLT H

REQS

BUS

SBI

REQL

L-

[Df BUS

SBI

REQY

| MSIR INT DIF T1 CLK
F|

BUS

SBI

-5V

BUS

SBI TP

BUS

SBI

BUS

SBI PDCLK

X| BUS

PCctKk

GND

SBI PDCLK L

JL| MSIR INT DIF T3 CiX L

M[MSIH MULTI XMIT FLT A

MCP®

DT READ

. GND

BUS

SBI UNTAM L

P MSIH

.
AMITTED FIT H

MSIR INT DIF T2 CLk H JR[MSIR INT DIF T2 ClK |
MSTH SET IS YIMEOUT
L |S| BUS SBI CNF@ L
SBY FAULT

SBY CNFI

U] MSIR INT DIF T4 CLK H

+5V

VIMSTR INT DIF T¢ CIX L

SIDbE i
BYTE MASKI-3 H

[B]MIRD

BYTE

MASKI-2

MDPL

BYTE MASKI-l

MOPL

BYTE MASKI-6 H

IS TIMEQUT

$SV

B{ MIRD IS TIMEOUT

TROM

BUS SBI TRG4 L.

[H]

BUS

SBRI TRGS

BUS SBI TR@L L

J]|

BUS SBY TR@7

MIRV

MSIK

-5V PS AC 1O H

MDPL

BUS SBI TRGS L

BYTE MASK2P H

+ieV

EXY R0 REQ

BYS SBI TRIG& L~

GND

BUS SBI TRIl L

MSIK SEND TR HOLD ¥

[R|

MIRP SET CMO READY L

[S|

BUS SRT TRIZ

|T]

BUS SET TRII

BuS

SBI TR)S

-5V

K X0 R

BUS SRT TKI4

|V MSIL ENAB WD) MUX #

GND
L
+5V

W MSIK INT RD REQ M -

BUS SBI TRAS L

[T} MDPL RBYTE MASK2-2 H
U]

MDPL

[
V]

DC LO

MASS Cid

CO9 ()

BYTE MASKI-3
H

GND
_

MDPL

BYTE MASKI-) H

[D|

MOPL

BYTE MASKI-8 H IE

SET DT ABORTED L

INT BUS OUK

REC CTOD

¥y

MASS (38

GND

MASS

J] MASS

-1

Ki MASS CTOD ()

CTOD ()

IKT DIF 735 CLKH|L|MSTR

INT

M| MASS

RS4(+)

MASS ATTN (#)

GND

DIF

DT READ

INT DIF Te CLk
LRI MSIR INT DIF Te CIK H

PLMASS

S|MASS

SET MED

Ul MSTR

S
F'

MASS

Dg2 -

MASS

D3 +

D@2

M| MASS

(),

C@4
+12V

¢33 ()

GND

“IN|
ATIN

MASS

RS3

MASS

Uf MASS

Cé2 (=)

+SV

N MASS

Co2 ()

C8I )

‘

meMASSBUS
SCALE

MASS

—

ATTN

MASS RS3

GND

'
SCLK

(+SV)
M0 CONNECTION

SIDE 2

SIDE
|A] MASS CBS

MASS

C6S

GNb

MAsSS

Coq4

{(+12V)NO CONNECTION

MASS

C83

GND

C@4 -

Cé3

MASS DOd

+ -

J| MASS

bgé

MASS

DG!

MASS

DaI

MASS

Dé2

MASS D63

MASS

D#2

M| MASS

D43

MASS Do
4 +

[P| MASS Dé4 —

MASS Cé¢ +

S| MASS

DéS -

MASS

MASS C81

GND

MASS

cé2

MASS Cé62 +

BLOCK

WCLK ~

(+5V
NO CONNECTION
)

MASS

Ceép ()

[TIMASS

RUN +

GND

GN)

M MASS RS4

GND

CB7 &)
.

co8 &)

. ...
MASS

MASS

RS4

MCPC EXT OP DONEITO
AL

“MASS

()

K| MSIK EXT RD REQ L

MASS

|H{MCPB DT WRITE C¥

K| (-SY)NO CONNELTION

MASS

]

GND

Jl MASS

Ui MASS

FIMSIJ WD2 ACK

MCPB BT WRITE

CTOD

MASS Sk —

+SV

E{MASS

CTOD

MASS

INT DIF T4 CIK M

SIDE

Ca3 (-)

MASS

V] MSIR INT DIF T8 CiK L

BIMASS

DéI1 -

Dgad- +

RS3 ()

|TIMCPA BIOCK SEND <MD L

MASS CB5 ()

MASS

WCLK

ATTN.(-)

GND

REC CTOD

RUN -~

MASS

GND

MCPB

MASS

15 CZK L

MSIR

Coé

RS4 (=)

C38

I CIK H

[H/MIRB CIK CPO

MSIR

JILMASS

VIMSIL ENAR WDI MUX.o

MASS

+SVY

SIDE 1

GND

MASS

H U] MDPL BYTE MASKZ-@ H

[A[

(+SV)No CONNECTION

Dél

MDPL BYTE MASK2-!

(+5V)
N0 CONNECTION

MASS Cd7

MASS

__IT| MDPL RYTE MASK2:-2.
N -

MCPH

GND

DI/

GND

DIl

T
MASS

(-)

C8S ()

CO7

D#O -

MASS D@S -

Did

MASS

CO4

NSIL £ENAB WD2 MUR HISIMDPL BYTE MASK2-I

MASS

MASS. Dig

MASS (8¢

MASS

D89

MASS

Cp7 +

MAS

GND

MASS

MASS. D4 +

[Pl MASS Dé8

D@9 -

B{ MASS CO7 (»)

D3 -

Dé8 +

(06 (+)

MASS
MASS

MASS

MCPC

D7 +

SIDE 2

+5V

SIDE |

GND

M MASS
lw

VI MCPK INT BUS ICLK L

MASS RS3 (+)

Ci1d -

Chq +

L] MASS pdé -

Dé7 -

GCND

[TIMSIR

MASS

MASS DBs +

GND

K| MASS

MASS CO9 -

EXC

SIDE 2

l[m

RS¢

E| MASS

D| MASS

MASS EXC +

C84 ()

MASS

GND

+5V

MSIF READ DATA PEND L {F| MSIJ WD2 ACK H
.
~_GND - IHIMCPB DT WRITECK H

[P]

MASS RSG -

MASS

MCPA BLOCK SERD CMD
L

[BIMCPH
LI

D8S +

SIDE 2

MASS Dd4 ~

FAIL

!V MSIR INT DIF Té CIX L

MDPL BYTE MASKI-2 #

MASS

GND

+SV

LIMCPB DT FWD H

N{MSIR INT DIF 76 CIX
H

MCPB DT WRITE H

K| MASS

MASS SCLK -

+SV

GND

CI8 (+)

C29 (+)

McaD TUT N1r 15 cox s

RD TIMEOUT

Xn,

TReé L

RUN
-

[

SBI
SBI

ARB OK L

SIDE 1

BuS

GND__

+5V

BUS

MASS

GND

IKIMIRP DIAG REG REQ H. 3

sCix +

SIDE 2

MASS

FIMASS Cii
Hl GND

_{J{MDPA CMD CONDITION H

——

CHANGE NO

[A]

MIRV RMIT TR L

IS| MDPL BYTE MASK2-7 H

MASS

c.«l[

MASS wCLK +

GND

V| MSIR INT DIF T6 CL¥ L

MIRD

[R] MIRP SET CMD REAMY L

DT READ

CI0 (-)

MASS Cil
'

MASS

CIl ()
SBI BYTE CNTR:=Q
K

MASS C@8 (-)
D| MASS (48 (+)
MSIR INT DIF T) CIK L JE|MSIR INT DIF

MSIR INT DIF T2 Cuk H |R| MSIR INT DIF 7e CX
L

Ui MSIR INT DIF 78 Cix H

SIDE )

MASS

____[SI

GND

MCPB

FI MASS
[W{MIRH

GND

TMM

MSTM SET RD TIMEOQUT L

4S5V PSACLO

WCLK
-

MCIR INT BIF T2 cov ¥

INT DIF T2 UK L

MASS

GND

MIRT INV MBDATA PAR HIX|

TR@2 L

-5V

P MSTH XMITIED FLT H

RUN

Cll (+)

{E] MSIR INT DIF TI QLR L

GND

—_

'
REVISIONS

MASS

MCPR DY READ

MSIR INT OIF T CLX W

MASS

EXC ()

MIRD SBI ARORT IMM W [P|

[D MDPK DATA OVERFLOM H

CPO

RS® ()

SIDE |

‘

DIMASS

£] MASS

R| MCPA

[E{MST2 INT DIF TI QK L

TR@3
L

MSIT WD2 ACK N

MIPE DATA LATE

EXC ()

SIDE 2

MDPF GATED SCiki+2 M |B

EBL

RS® ()

+SVv

DATA OVERFLOW H

BUS SRI

BYTE MASK2-1 H

SIDE 1

B| MASS

MASS

MIRV

SIDE |

EBL -~

MASS

ConngcTION

MASS

MSIX SEND TR H

+5V_IV|MCPX INT BUS TCLK L

GND

CLX

[T MSIR INT BUS otk N
V| MASS dH -

+8V

BUS SBY

MOPL

RD TIMEOUT W

DI}

+1_2V

M MSIK INT RO REQ H

GND

MASS

IN]

+SV

K] MSIK EXT RD REQ L

MSIK SEND TR WOLO H

MCPC EXT OPDONEJTO W |

MSIL ENAS WD2 MUR
#

MIRI INV MBDATA PAR
H

MCPC SET NED [

&ND

SIMALS

_MIRV ARR OK

[T mMsSIR INT BUS OCLX H
3

ILIMSIR INT DIF T3 CIK |

GND

§
p

[E{ MIRD

MSIF READ DATA PEND L IFf
GND

MASS

MSIR INT DIF T2 CLK H [RMSIR
MSIN SET IS TIMEQUT L {S

+5V

MDPL

M| MSIH MULTL XMIT FLTH

SIDE 2

MDPL

K| MIRP DIAG REG REQ M

MSTH SET RD TImouTL jA]

D#g +
D@9

GND_

MASS
GND

MASS

MSIN WRITE SEQ FLT H

—

BUS

T| BLS

GND

SIDE 2

GND

Pl MASS

MSIR INT DIF T3 CLX W

DET

DATA

B
MIRE MB MAINT MODE H K|

L] MASS Dgé +

DM MASS

stor s

SIDE

(45V) Mo

|JI MIRT SIMUMATE SCK H

K| MCPB DT FWD M

D&7 +

LAST

y
+5V

FIMIRY SIMDLATE EBL H
_[Hi MIRH SBI RYTE CNTR:@H

.J] MDPA CMD CONMDITION H

-5V

]

[H|MIRB

- -

SET DT ABORYED
L

D{MDPK

MSIR INT DIF T! QLK W

MSIH WRITE SEQ FLT H

GND

Flart

MASSBUS PADDLE CARD

jA|

|E]|MIRD MB DATA+WCK ERR L

MSIR STROBE. 7P
4

[BI MSIH UNEXP RD FLT M

MDPF

bga
-

MCPA

SIDE |

+5V

MASS

[A]

MASS

MDPX -DATA LATE

MASS D@é -

MASS

SIPE 2

FLT H

MOPF GATED SCiKI+e H

SBI TP

MSIR INTDIF T3 Cik N

PARITY

GND

[v{MCPX INT BUS ICLK L

BUS

+5V

GND

MSIR TNT DIF Ti CLK H

STROBE MAP H

DATA

MIRR MB RYTE CNTR=@
L

SIDE )

SBI

[R{

MSIH

SBI

GND

MSIR

MSIK CMD REQ L

GND

+5V

BUS

PCLK

SIDE 2

BUS

_MB FAIL

SIDE

MIRR BLOCK DATA LATEL [Df MDPT WCK UPPER ERR H_

M MSID WRITE DATA L

MIRD SBI ABORY IMM H

LAST

MIRT DIAG MDIB SEL N

L| MSIJ SET ERROR CNE L

GND

V] MCPX INT BUS ICIK L,,

SIDE |
PARITY

SBI

K| MSIT SET NIt CNF L

MSIK SEND TR H

SLOT 4

MASS EBL %
BIMASS EBL
MIRE MB MAINT MODE H C]
GND
'

GND

F| MIRT SIMULATE EBL H
M| MIRH SBI BYTE CNTR:dM

MSIC GEN MAP PAR R

SLoT 3

SBI Id3

MSIH

MCP

SIOE |
MDPF

MIRH MB BYTE CNTR-@L[{J] MIRT SIMULATE SCLK N

'MSID WRITE DATA L

GND

‘

SBI IbE

SIDE 2
45V

|E] MIRD MB DATA+WCK ERRL

MSIK CMD REQ L
GND

STRGBE MAP H

MSIR INT BUS OCLK

BUS

L
L

L MSIT SET ERROR CNF L

BUS

MSIR

PG
PI

BUS

MIRJ DIAG MDIB SEL H

IK| MSIJ SET N/R CNF L

0 MSIK SEND TR H

MIRH BLOCK DATA LATE L [D| MDPT WCK UPPER ERR H

MSIX CMD REQ L
GND

OEAD

MIRC INTERRUPT CPU L B
MIRE M8 MAINT MODE HICI

SBI

MDP

—

BUS SBI M@
BUS SBI mi

1IN

BB
s ss 1~ 11

MIR

SIDE |
CPU

PLUGS

REVERSED.

TE$3

INTERRUPT

CARD

TAE PV SipF OF THE BacxMNEL
SIDE 1 Pt AND SINE & PSS ARE

7&% ?;21&PEAMISSION. ComPORATION®

MIRC

CoNNECTOR

D6S +

(68

C8/

V| (+5V)
N0 CONNECTION

(Zag_yi_ Efé’c‘,y D 5:9@(,04%)

ADA!

DIAGRAM

[sneer
4 o ¢

m'[w

—

D [8D| RH788-2-3

Jost.|{ [

1T T

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¥ -0938.HY
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> SONS >+ SONS >« SONS > SONS - 50N He- SONS
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|

WRITTEN PERMISSION.

]

793 DIGITAL TQUIPMENT CORPORATIONTM

SBI

NOTE
TIMES
SHOWN ARE IDEAL.
DELAYS
ARE NOT INCLUDED.

PROPAGATION

. S SA

BUS

SBI

oTYn.-l”[P—-—U0VSURGI=UO-RG—IN-—e-=—=|feevWaemo=||voTyeon=i0ey~--|TVs[=—.-e—eT.TeT][[|wmO=i7eeOsV[TvoDU]R)[oePR_—IM--K--M--[-—PpoS—NUUVUoE&][IN[BPH17,[RSRNbW[PN

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BUs

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—

ECL LEVELS

x M Mx o M

Vwnavxi

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TTL

LEVELS

—

T2 .

SBI CYCLE

283 NS

SBI CYCLE
208 NS

SBT CYCLE

260 NS

(///J&,{’ SIER TS/ZU/E S/RPLS,
DRN.

FIRST USED ON

VAX 11780

KD, -

it
A

ENG. [/X~ 7
PROJ. ENG.7; -

REVISIONS

crance
No.
. |RH780-00001
OK

| rev.
|A

2 78

PROB-7Z .

-4
g

I MBA TIMING DIAG.

MNEXT HIGHER ASYY.

R-BPD-RHIBP-P

SCALE
SHEET

SiZe FOSE

. of 10 JoisT.

NUMBER

RH78D-2-4
p

]
b i3t

REV.

T?
ZZ§<
;

BUS

ICLK

INT

BXX

VALID

CMD

BXX

REC

MSIE CLK

MIRB

MSIE

EXP

SEND

ACK

MSIM XMIT

CNF

SBI

CONFR

WRITE

DATA

MSIE
-

I JII7IXC
|

CIA

/ 77T
.
I T

MW / MIRB

CLK

MAP

mvw |

i
i

wowes

e
s |

CyCLE

OMD/AdRS

C/A

je—

e |

2. CROSS KATCHED AREAS REPRESENT “DON'T

CARE”

USED
DATA.

PERIODS

CYCLE

L
-

MIRB
MAP
WE
(WRITE MAP ONLY)

I PROPAGATION ODELAYS, WHERE SHOWN, ARE
TO POINT OUT PERIODS
f
OF CHANGING

I_]“

XZIITITITITITIIIN

MIRB
CLK SELECTED INT REG H
(WRITE DIAG, BC, VAR, STATUS,
CNTRL CONF)

NOTES:

|—

7T T TTTTTTT7X

’

/1I
.

MIRB CLK

T.fi

Y//////Z///////7////////////////////////////////|7/

i | o o

MSID

XLTTTTTTTT7TTIXIIITIITT

BUS

[

]
—

—>he— CMD/ADRS ACK CYCLE

TII77TTITTTTTT777
l

L
WD

ACK

——>—— WD

ESf

MIRA

INT CLK

XTI

T:O

RH766-0-4

INT

MCPK

FCN

+-9.08ZR91q]

s o

SBI

WRITE

CIn

[

—

MSIR

T’O

[¥

| — — —

MSID

BUFFERS

| ——— ——— e

REC

T'O

Y PRV IV FER AN

MSIA,B,

RCLK

MSIR

——

BUS SBI DATA, TAGS, ETC L

ACK CYCLE

—_— e

gfi%fiWé

"'"_"""F‘J““ i e R R

[

—_——

—

(WRITE INTERNAL REGISTER /WRITE MAP)

TITLE

SIZE

MBA TIMING DIAG,
SCALE

fSHEET

NUMSER

D[TD|RH78d-@-4

ost.]

POPBTY | OF OKITAL. FGUPMENT COMORATION A
O W PART A T A PR THE MOAACTURS B St

|
!

gm“::« /’)mumwm

RECY CMD/ADRS |
!

VALID CHECK

T®

| SEND
|
|

TIO

CONF

| ARB FOR BUS |
I
(NoTE 3)
|
|

T'm

125 S

INeh

CLK

VALID

CMD

MSIE QM BUSY L
MSIR SBI TO INT CLK H
MCPK INT BUs

ICLK

D
!

]

[]

[ ]

]

MIRA REC INT 38UH ZD(777777777>(

cia

—

MSIK INT RD READY H

[

MSIK. INT RDNO$E% H

[

MSIK

SEND TR H

;

MSIR TCLK H

s sox comx .
MIRP TRPN

MIRY

ARG

OK.

MSIL XCYCLE+Z H
A

[

[]

]

[

]

;

[

1 !

Lé(z

;

[

7777 7Z7X//////f7X///////7)Uzc m e M////////»(//////mxz

[

]_—|

{

;

]

‘l

]

;

)

]

MSIT REQ COMPLETE H

]

[

;

:
|

[

lgg
~|

[—~

[

;

T5 e iRRiNG MY WORD DATA TRANSFER

BE GENERATED IN F ER

| oA
M T meiAriie T

/7////////////////////////////////////7

[

4. THIS SIGMAL WILL

;

2. %:é‘:%}figgs%:}nu REPRESENT

[

MSIT LXCYCLEF2 H

]
|

;;l

]

| !

—

(READ INTERNAL REGISTER/ RE&E'{»«AE)

MBA TIMING DIAG.
SCALE AL f [sweET 3 OF 10

H
ax~

: |

}

]__J

’////////////////////////////////77)(:

MSIL XCYCLE H

VSO

[

77X777 77771INITLLTITTIN

MSIL ENAB WDI MuX H

cn:} et o

]

WSt T wis e
SBT

MSIM AMIT CNFX H

|
|

;

|
|

W
///////XZE Z@(////////M//////XZ///////7X/////////XZ//////0XZ

READY L

[

MIRE CS BITS H ’////////////77)L ADDRESS
MSIE SET IRD

CONF

]

| RECV
l

[y| oo
g 2 |

XzZzZZZZU?\Z//////W////////XZMXZ

X 44@4@44///[]/7 g@gfi@ggggggmm/////////x// 77

XZI777ITTINITZITITIL. ////////XZZZZZZZZZX///////W-

////////x

s we swsas w 77777

MSIE

T®

IX;;;;;;;;;’Q;///////;XZZZZQ m

_DATA

]

‘

SEND READ DATA|
|

BUS SBI DATA, TAGs, ETC L @( _ CIA

CMD/ADRS DECODE LOGTC
]

D[TD|RH78g-@-4 | A
ost.|] | TV 1T 1 T 1
|
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SPEICIICATIONS,
HEMEN, ARE Tt

S @ 1477ot

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ws suz o, ves, e o

MSIAB.c

REC BUFFERS W

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Z(////////]X

c/A

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ADDRESS

ATTH

| y

MCPB ASSERT DEM M

'
ALL EXTERN
AL
ERTERNAL REGISTERST
REGISTER
T
MCPE
REC. MB
TRA
|
MCPC DESKEW

DATA

‘

MCPC EXT OP DONE +T0

. EATERNALREGISTER RS64
OR NFD

cranceno.

: =g

MCPC TRA TIMER

(E9404)

MCPC TRA TIME QUT H
'MCPC._SET NED L

GF T RS89

[rev.

| 1

;

e s —n

(’[

T ~© v|

X/////////.XZ

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;

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L.'

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;

DEVICE

DerENbENT

{ 5

(oo
|

fb— APROX. 250):5_..'.)

APROX. 85 NS

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'r,,,/I/////f

;

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i
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___________-__:_____,

—i

MBA TIMING DIAG,

0
]
B

(WRITEEXT REG JWRITE R34 [NEDY
SCALE

]

;

TITLE

[

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APR),Q‘ 5‘-5115

i
.

NOTE 4

,___1_______\______ ‘\_

;

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M8

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T

;

T
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Le—— APROX. 250
NS

Z([///////7‘X///////WX£ZZZZZZ£ZXMZZ>Q

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’//////X ///////7X/////////XZ///////;X;;;;/f

wo aek X/

Tldb

}

vggespig) 2|

; '

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MCPB. EXT CS WRITE L

DEM

R se

A //////////////)@/////////x .

Srlm

wrs o s ws. 77777777777

MCPC XMIT

2 cg:ssng%:gb"ilif&s REPRESENT

7X 777

MSIE CLK EXT CMD M

3. BROKEN_ CROSSHATCHED AREAS
REPRESENT VALID DATA UNTIL

ION DELAYS ,WHERE SHOWN,

XWW

7 77T/
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|1%1

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MIRB CLK CPO

;

sus sex conex L7/

MCPA REC H

[

MCPK INT BUS ICIK L

/77 /777K

MSIM AMIT CNF H

MSIR SBI TO INT Clk W

MSTE CMD BusY L

!
'

MSIE CLK VALID CMD H

T®

;

77T

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7// /7T /Y

pecove wosie

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ofroru7ag-g-4
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[

| [¥ T ¥-2287R5[01q] 2|

NERIN, AM THE
~TMIS DRAWING AND SPECFICATIONS,
PROPEATY OF DIGITAL FQUIPMENT CORFORATION AND
SHALL NOT BE REPRODUCED OR COPHID OR LSED N
anmrummmmwmuw
WRITTEN PEUAISSION.
OF ITHaS

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}

BUS SBI DATA, TAGS, ETC L

BUFFERS

DECODE

MSIE

CLK

VALID

L[]
|

CMD

Te
!

BuSY

XMIT

CNF

LTI

:‘],

BUS

MCPA REC

DEM

TRA

]

—

l
!

i
!

|
|

EXT

MSIK

RD
EXT

MSIK

READY
RD

REQ

NOTE S
SEND

H-

|
|

(MCPI) ENAB DATATM TO TRI BUS
NOTE 4

an s

crancENo.

=TTo8

INT

BUS

RECEIVERS

’

%—%
APROX. 250 NS

APROX. 85NS

]

Rl
!

!
|

MSIN
P

[

MSIK

;
|

]

|
!

I
I

I
|

CLEARED BY REQ

COMPLETE % T2

CLEARED BY ARB OK

’////////////77)&

(READ EATERNAL REGISTER)

TITLE

|
7

“DON'T CARE"

CLEARED BY EXT RD REQ ¥ 250NS

| rev.

OF CHANGING DATA

REPRESENT

LT
TT

LATCHED MB DATA

MCPC EXT OP DONE+TO

——
]
]
————

MCPT

o—

l
|

TIMING AS‘INCHRONQUS To SBIL

|
|

— APROX. 25GNs —f

—

MCBC DESKEW DATA

AREAS

]

MCPE REC

7_72.)(/////////.)([///7/////‘)(12124

—

DELAYS, WHERE SHOWN, ARE USED

TO POINT OUT PERIOBS

oA RH788-0-4 KK

READ

XMIT

. PROPAGATION

2. FEE';OSSHSM-CHED

3. BUS MAY BE GRANTED DURING THIS CYCLE OR IN
... FUTURE CYCLES (UP YO -512 CYCLES LATER)
4. THIS SIGNAL WILL BE GENERATED IN EVERY CYCLE
WHRILE MBA IS ARBITRATING FOR THE S8BT BUS
5 THIS SIGNAL MAY BE DELAYED SEVERAL CYCLES IF
A QUAD WORD TRANSFER IS OCCURRING

’//////////////X

MSIE ClK EXT

MCPC

NOTES.

’/////////////])S

BITS

AND

ASSERT

CLEARED BY ARB OK % SYNC TIME

ZZX/////////X

MASSBUS- DS

MCPB

[

—

OF COMMAND

(mm TO SBI)

TTTTINITL,

—

MCPB EAT

—

FOR

ICLK

—

——

MCPK INT

INT Ctk

CCMPLETION

-—

DXL
TO

:
REFER TO READ INT REG

IITITT,

MSIR SBI

NOTE 3

//////7X[[///////X//////////

|
MSIM

FOR BUS

12§

- e b - —

CMD

START ARBITRATION

sz772777777></////////xzzzz;

]

MSLE

Te
:

7727772){

//.7///“

LOGIC

REC

T
I

MSIA B,C

ZX
!

RCLK

MSIR

9
I

— —

T0
I

—

[SIZE |

NUMSER

REV:

MBA TIMING Jsweer
DIAG.5 ori0 Jost]
DFTJ TRH780-g—4
|A
T [ T T 1 1

SoalE
AL ——7

[

“THIS ORAWING AND SPECEFICATIONS, MEREIN, ARE THE

oy 3 e T

aznaanor 5

'
MSIE CLK EXT CMD H
MCPB DT CMD
H
MIRB CLK CPO H

MCPB DT GO L

'
T2

cree 1 SBD CA | senp wo
T0

[

]

|
|

:
I

]

MIRP SET CMD READY L

MSIK €MD READY W

MSIK CMD_REQ L
NOTE 3

[

- MSIK SEND TR H

MIRP TRI EN L

NOTE &

MIRV ARB OK L

MSIL T/R ENAB L

XCYCLE H

MSIL CJA ACYCLE+2 H

[

(

‘—g

(

¢!

)

¢ ¢ '
I
Y

| AV

}

[

;

el
|

1%
|

[

—

;

‘[ |

X 7(////////7X/////////)V////////)q

[ I

’

[

BYo L

—)

CAEDRED

]
I

MMW////////XM )

CLEARED

)

No o L

I
[

]
|

I
I

]

[

e !
|

I
|

sSN ) XTI
MSIL C/A

MSIF READ DATA PEND L

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E136yE137

4+2IN W/S8

1911415-00
1213220~-00
191273100

MUX

745373
- 10101

3¢
40

FARITY

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GEN/CHKRs2RIT

REFERENCE DESIGNATOR

1913493-00

VARIATION

HEX W/CLEAR
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SHIFT REG.s4RIT PARA

-1

XXX

R25
N

E9-E14,E87yE14
ARE SFARE
8yE149
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SETTUIT

FF-Ii

36
37

FF-I

L8174

CLO

TRIGG

LS193
L8125

35 -

36
37

COMMON

1912834-00
1912855-00 -

MUX

748174

FER

SHEET

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ITITLE
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MSI
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ISECTION A
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Tomp GIAD We CURS Se

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DOCUMENT NUMBRER

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flnmwm

Fw-nm“
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m"““
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® |977 . NI

SNNPIENT CONORTION”

INT BUS

ORIVERS

-ST,
(TRY-§

PARITY

ADRS

sYTE

MASK

INTERNAL

WSIN,P

SAveD 1D —

HARCWIRED 1D ——gm

PARITY

cHECx | IPOK

ADRS

CHECK

MSIF

cHECK

MSIC

‘

BYTE MASK

REQUEST

MSIF

MsIF

CHECK

MSID

CHECK

—

XMIT

CycLe

MSIH

]

READ/

WRITE

FAULY

MSTL

MBA

)

busy

MSI CONTROL STORE

MSIE

]

Ms1E

FUNCTION
DECODE

FONCTION

VALl D

NSIM

SAVED 1D
»IN

—8» CLK VALID CMD (MIR)

c
#»

)

WRITE

FCN

(MIR)

& CLK EXT CMD (MCP)
WSY

RCLK (MSIR)

sBl
YCEVERS/

VALID

ise

MSIFL

—» WD (MIR)

ACONF

15R

LATCH

CS READ/WRITE

MSIDE [

ot Lo

TAs

——

€xp

—8 EXP WD (MIR)

MSIF

MSIA,B b

TELX (MSIR)

Exe
RO

REQUEST
INTERNAL READ READY —@
’

(MCP) EXTERNAL READ READY —
( MIR) COMMAND READY

SEND TR

— &= Cix D182

]

—= CLK DIB) (MCP)

MSIF

RD ACK

LOGIC
—8» INT READ REQUEST -

2 RCON (MIR)

;

READ
D
k680 DATA

| EXT READ REQUEST
MSIX |

cOMMAND REQUEST

]

MSTF

CONFIRMATION

LO6IC

—

MS1I

DT Rfw (wDP)

CONF

—»

[BuSY

CHECK

]

RETRY (MIR)

3 ACK
(MIR) ARB OK —

ERROR

INT BUS

s8I

RECEIVERS

—

S———

DATA MUX

NSL3
MSIN,P

ISSl

¢ bod a
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é:.

{o
x

1=y
3

ofg|

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’ MR

peap——

NEE

anmaany

ISR DATA

ANy,

1< NG

1)
(SLOT
3

{(HARDWIRED)

(POMTRLEVEL

(MASSBUS ADAPTER BLOCK

DRN.

E, LYNCH

DIAGHAM

L-_,
] FIRST USED ON

UKD T gz ste. |20
ENG.[ g/ 9.2

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15-197)] TTLE

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2.

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SIZE

(MSI)

NUMBER

SHEET
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NEV.
1

[

CorYRent €) /977 DIITAL SQAPMENT
CORPORA

ORI PART AS THE BASIS FOR THE MANUFACTURE OR JALE

WIITTEN PERMISION.

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l‘9 L”

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xoyr

xoyR

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BUS SBL BZS

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BUS SBI 824 L &

SB1826 H

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BUS SBL B2,
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BUS SBI 831

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MSIN XMIT SBL B2 H

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BUS SB1 B3¢ L g_‘-_z—chS
BUS SBIB2S L »-S-z—;caz

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AMIT

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hsIA

REC

SBLBP

XMIT S8l 828 W

SBI Ba

W (ms1c,o,n)

02|12 msIa REC SBI B3O HMsSION)

=022
— MSIA REC SBI B23 u(MsSID,N)

BUS SBISK L B

e hde

1Dy

BUS SBISIZL

2982

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BUS SBIBIZ L B

sermzs

co2
2

LATCH

TCLK

xol

BLS SBIBZI L

MSIN

XMIT

SBL

®oePZ asIA rREC SEL 823 W(nSIDN)

ma-——'az MSIA REC SB1B2Z
H (MSID,N)

RDZ»—Z—— MSIA

REC SB1®21 1 (MSID,N)

ROl — MSIA

REC

BUS seledoLe_

SBL

BP9

WSIA REC soL 8¢ H (MsID,
P)

MSIA

REC

sE&1 BPS

(asipD,P)

MSIA REC PARITY 2 1 (MSIC)

LATCH
ll

19 l\\

XEN

XCLK

LCLK

E’T"xm MSIP XMIT SBI B8¢m n
XCVR

g oot

BUS S BIs LB

“Jas

XOIS-msmn xwvar sa‘(LBu. H)

Bus ser ede
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|7 MSIN XMIT SBIBIT U

RENG

*DY
2 MSIN XMIT SBI B15 W
-

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AR
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xns-fi MSIP XNIT SB1 842 R

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x0Z[
@1 H

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BUS

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roaH2 \ns1a pEC BT R19 H
BUS SEI B! L '%B\
rosHZ mstamec sermia
m:"‘)’s SEL B¢
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MmsIA REC SBI BI7H(\ws1D,N)

- MSIP XMIT

S8L méé

2322
95"

roal2 msta rEC SEI B2 s(wsiop)
rosllZ msiA REC SBIBGZ H (MSIF)
ROz}~ msiA REC SBIBAI W (MmSIP)

=ot 2~ MSIA REC SEL Bl R (MSIO, N)

A
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XEN

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xcvR

x03H2
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.

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Jas

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MSIP

YMIT

SBI

B6S H

7?”:

Hax

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MSIP

XMIT

SBI

BG4S

BUS SBisdsime
vy
BuS SBLBJG LB

4:51
B!

ROM2— MSIA REC SBI 8¢7 » (MSID,F, P)
rozt——mMSIA REC SBI B¢6 W (MSID,F,P)
ROZF>— MSIA REC SBI 8¢5 m (MSIDF,P)

SBL 86 L

ROI—— M SIA REC

REC PAR—— MSIA REC PARITY ¢ w (as1C)

LATCH

]

sk el msta amar PARITY 1 W (sIC)

RD\—:—MS‘IA REC SBIBSPEP m (MmsIP)

REC PARIZ- MSIA REC PARITY
S H(ms1c)

19 1"

xPAR—‘-?_;—msIA XMIT PARTTY § K (MSIC)

L9P%
QB!

XMIT

K\'&——‘a- MSIA REC SB1 BI1§ W (msID,P)

REC PAR|——

e
Hea

BUSSEm
B
BUS SEIBIGLL

MSIP

R‘D“—"—‘: MSIA REC SBI Bl H (MSID,P)

ROZ|

BLZ
B

ROI

‘EE“;nga'—-msm AMIT SEBI 819 W

AEN

381 82¢ » (M>1c,DN)

X PAREL-MSIA XMIT PARITY 4 W (M SIC)

ADI2— MSIP XMIT SBI Bd2 W

BUS SBI BdoLE—

19 ANl

Bus s w0

PARITY 3 W (MSIC)

102

‘

XCVR

MSIA REC

XCLK

M (1o, P)

'g]m

LATC H
.

sl mis

“ges

S8BT

REC PAR2- MSIA REC PARITY S W (M SIC)

381

&1
981 BiZ
H

BUS SBI B L B

BUS.

I*Y

eec

Bt yoall— MSIP OMIT SEL BN W
lrevm *O¥— MSIP xMIT sBI BId N

BZ;SH

MSIN XMIT SBI B26

L3 MSIP XMIT

xPART';L- MSIA XMIT PARITY 2 H (Ms1r)

g:‘_;"!m—'l MSIN XMIT SB1 BZ> W
]
XevR xosTa MSIN XMIT SBI B2Z H
XDZ2——

XENB]

ROZS — MSIA REC 31 w13 W (nsID, )

s8I Bis

ROIZ— MSIA REC SBI BIZ W (ASID,P)

REC PAR

xMIT

MSIP XMIT SBI BIS W

epal2
. msIa REC sB1 B W WMSID )

REC PAR2 — MSIA REC PARTTY 7 n(msic)

BUS SBI BZZ L
BUS SBI BZO L

XD2H—

x me-—é-msm XMIT PARITY 5 n(MSIC)

avs

mszp xmiT sBI BIS M

fedme

LATC R

MSIA XMIT PARLTY 3 H(MSIC)

XO3H2 __ ms1p

LATZH

XCLK

xoa 7

BUS SBI BIS L oz

RDI |5 — MSIA REC SEBL 828 H (MSID,N)

M3IA REC PARITY & W (M SIC)

[53d] 2|

Biei

MSIN XMIT SBI 83 H

ugia rec Se1BET N

RO~ MSIA REC. S&I B24 H(WMSID,N)
REL P

MSIN XMIT SBIQ::: :)

=Dy
— MSIA REC SBI BZe Wagip BVS 515828 L B——0BI

recresn

%0OI

RDZ-2_MSIA REC SEBIBZS
H (WM SID,N)

semvam—

[

x PAE‘T';;MQA XMIT PARITY 7 w(MSIC)

‘E"é’?f‘xm—msm AMIT SBL BZ7 W

ledaa

XCLK XENE

X PARH L M&IA XMIT PARITY @ W (MSIC)

BUS SBL B27 L oz

[

1 E) 1t

XCLK XENY

g0
N

L
3

sB&I 8¢a H (M SID,F,P)

oFa)

REC PAR—— MSIA REC PARITY | H (MSIC)

LATCH

LATC W

]

MSIL T/R ENAB A L

MSIR TCLK A H
S

MSIR RCLK
A W
AAZ, ANI, BAZ, BV,

CAZ,Cvi, DAZ, DAl

EA2.EVI F A2 FV)

~T
1
ACZ, ANl ,ANZ AT, G“DTSné
Sler §g
e ’°73-$,/¢2/ Cia ’
BC2,BH),BN2,
a-c9

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DC 2, DHILDNZ, DT,

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SL3

gl5-c28,c33,C385-C

5?)cres.cs

9-cz;.s

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EC2, EW),ENZ ET),
FeE,

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CIMET

FHLENZ FTI

et
( SBI

TITLE

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(SLOT

NUMBER

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MBA/SBL INTERFACE (MSIA) [p]cs| mezisen

ny-

TRANCEIVER <31:9¢ >)

SCALE

54—

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ost.{

S DRAWING AND SPACHFICATIONS, HEREM, ARS

+ 8Y

r———l

J’

ALK

MBA
‘

)

x03

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L B

2982

BUS SEL PO L B>

MSIC

R‘:

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L B

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fr—srremnncd

XMIT CNTRL

PAR

MSIB INTR REQ 7 H (MS1F)

MDIB INTR

& =

MSIB INTR REQ % H (MSIF)
’

55\1':4._?._.

MSIB

INTR

REQ
S H (W S1F)
REQA

MSIF)

LaTcHeg'®
MSIL +3V

ADRYS

a2
.

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E7D e =

Zla

XD2H——mMSIC XMIT DATA PAR W

14 Jga

E'L

‘

XCVR "D“"_—:]__L‘3
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INTR CODED

XEN

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164ne
BUS SEL

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MBA INTR CODE 1 L Bo=

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Falll

2
F1——

TnaTm.

roztE msie rREC &1 FAR 1 H(MSIC)
RO\ FE— MSIB REC SBI PAR ¢ H (MSIC)

REC FAR}Z—
LATER

8646

BUS SBI TAGO

L =7
Be

BUS SBL ID4

L ®

%
ez

C’CBZ

XD3——
M 3IM xNMIT TAG| H

D2 MSIN XMIT TAG
¢ M
ADIFT—MSIM
XMIT
1D4
H
.
-

MSIB REC TAGZ K (MSID)

RON——
M SIB REC

TAG| H (MSID)

19 ln

xoarP
P mste xmiT 10 PAR Aa(msic)

XCLK

SBI1o3

BUS SPI10Z

S8IIDT

MSIM XMIT 103 W

g
BUS SEBLIDG L B

XOZI-—MSIM

xMIT ID)

2333

X Ot L= MSIM

XMIT ID¢ +

40 B2

BUS SBL

roe 1B : waim mec

1oa

(

ROVE=—
M SIB

REC PAR [—— MSIE

LATCH | |

MSIL T/R ENAB B L

IARTPLADE 1008

REVISIONS

CHANGE
NO,

MSIR

TCLK

MIIR

RCLK B H

——
17

MSIM XMIT MASK 3

uDz'—-—-3 MSIM

XMIT

[Ydax

X0 b= MSIM

XMIT MASK
@ H

opal

i
ol

MSIB REC

MASK

Eid TM £
S

E1e3

)

MASK 3 H(MSID,
F)

LATC H

MASK PAR

1edmaq

%02

BuS sBL FADLT

L sl
| 1¢dgx

BUDS SOLCONFY

ET2]
&
L PE-;;——ICBZ

BUS SEI CONF L —r—gs1
.

'
'

MSTM

XMIT

CNFI

MSIM XMIT CNF w

rpal'S

MSIE REC

UNJANM

ROz}

MSIB REC CNFl

RO\ :

MSIB REC

LATCH

w (\SIC)

MSIB REC FALLT W (ASIH)

REC PAR

BUS SBE UNUAM

H (MSIC)

: .

von 17

xosH3 | MsIM xMIT MBA FauLT H

CLK XENG

Rm-—:—msta REC MASK | H (MSID,F)
REC

896

)

s REC MASK-2 1 (wsIo,e)

| REC PAR—MSIB

RD3

e dn =

RDI F=—MSI8 REC MASK
B (WsID, F)
©

Rroa

bl
RO a
Rec AR

|'edaa

(MZIF:'\-;P\

REC ID PAR H(MSIC)

Ot
S8

REC 10¢H (MSIRHM)

H(MSTRHH

ID1

02z

BLUS SBL M1

RDZ

MSIB REC

IF“ME):UB sermb L

by [T RE? Ton

BUS SEL REQ
<2
4 L

LATCH

W32 pmaIm xMIT MmAaSK 2 H

G
T
B2

—

BUS <Br mz L

BUS SELREQ S L @——(B2Z

xpm-—‘g— MIIB XMIT MASK PAR H (MSIC)

dBa

XENG

Ecavg AD4

X032 MSIM XMIT IDZ H

et 3.

W (MSIJ)

CNF@ H (MS1y)
:

=
i

B H
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| Rev.

(INTERRUPT PRIORITY DECODER)

( SBI CNTRL TRANCEIVERS)

TITLE

(SLOT D
ISIZEICOD

NUMBER

MBA/SBI INTERFACEMSIE) [ples| Me275-0-1

SCALE

[

,—p—

Tsweer

ofF 1S

ost.}

[

|
R

BLUS

ED2

BUS SBIREQ7 L @— —-c': Ba “D‘JQ_
BUSSBL REQ & L ‘Ea—"'c
By PR

=YY

BUS

L S

‘

) ln

Eaa *°' 3
XCvR X DR

Ec?: XxDeF—

LATCH

XENDS

1‘9

REC PARI— M SIB REC TAG PAR H (M 3IC)

PIRTN

‘

ROZ}2— MOIB REC TAG O W (MSID)
RD\'-f—— MSIB REC IDS H (MSIF, = ,m)

XCLK

X CLK XEN

RarfS_ MSIB YMIT TAG PAR H (ws1c)
5’3‘, XDEL— WEIM XMIT TRGZ W

BUS SBL TAG2 \.F
BUS SBL TAG| L e

L B~

€1

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XCLK XENS]

(m=1F)

CPU

[Blcq

MIRC INTERRUPT

ME2T5 o1

(&)

F'S

OR COPNID OR USED ¥ WHOLE

CTNE ok Sak

mrmwwm

45
MIA! XNTT PARTYD W —8]pp”E29
266

MSIA XwT PafTYZ W —o2

MSIB XMIT MASK PARH 8],y — {D8 15258
cqo

2 de
= mMIsC

MSIA XMIT PARITY3 H ——%‘33 m::
MSIA XMIT PARTTY4 H

—] B4 cenferk .

MSIA XMIT PARTTY
5 H —=D3

MSIA MIT PARITY B H —]06
MSIA XMIT PARITY
7 H —2407

WSIA REC PARITY O H

MSTB XMIT 148 PAR

)

MSIA REC PARTTY3 R

ll{p3

Maln REL PARDY
4 H

2],

3],

I 5

(¢ Ix

5 D6

745283

MAIB REC MASK RAR H—2-10d .

MSIB REG TaG PR W
:

Euen
|3 —

MSIB REC ID PAR
H ——; o

ODD [>— M3IC DATA PAR ERR H(MSID)
PRRITY

—HOZ

ooy

Blos

¢s=

2|y

MSIB REC SB PAR1 H

4|pg

MSID +3 H ———E E42

B MSK UNJAN L (MIRC,Y, MCPK,MDPB)

EVEN 5

2 qmsd\e
g/

E2T

" +5v 1

MSIA REC PARITY@ H
MSIA REC PARTTY | H

8 w?«!szsa
|
E3L

MSIR REC PARITY 3 N

_:; -

MSIA RECPARIIY 2

MSIA REC PARITY 4

MJA RECSBL
B2 H

——%m

—2{D2

{

Jfble

oK1

WWSICGEN MAP PR H

(

(IR

MIRE PGM INT

PARTTY

MSIA RECSBI B3l H =~ — D6
: o7

¢z

Ax2
»»

|g¢

i@o——

MSIC MASTER INIT AL (MSEE, H,K,L)

—4]e 7asi4a\

MSIC MASTER

VN —

NUNBER OFINPVS DI

UTPUTS

THRV D8 TWATARE WIGH | TEVEN | = opD
02468

,3.5,79

Mm(vmmr MrL

BAI

[

4
s Je2g
.

—H E78
1

MSIL +3V H

ARNASt P-1008

MSIC MASTER INIT H

i§]1745148 \ 8

—
=12 e
—={D5

MSK CNTRL PAR OK H {msiE,H)

MSTA REC PARITY 7H 2 b7

——

MST CNTRL PAR ERR H (wsb)

_ 2154 cenfck
I{pe

0745143\

MSIB REC SBL PARBH —LID3 .o

EVEN 2— MSIC DATA PAR OK H (MSIE,
H)

MSIB REC LMJAM H

MSIC XMIT CNTRL PAR H (MSIB)

tlpe
21y

2 |¢
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H s

EVEN[—

GENCHK

24D

H—102

—

I
2] o4 conY

745289

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MSIA REC PARITY
6H

MSI8 XMTT 1D PAR H—

—

9 i? E32

:x ii‘é':‘::;'z :

MSIA REC PARIIY
5 H

A PAR
H

1
——

[l _me 275~ p-1 |E

MSHA XNIT AARITY1 H 240!

SIC

MASTER IMF BL (MSEE, FH KM )

MSK PWRF + PGM INIT H (MSIH)
+d\

MSIC PWRF + PCM INIT

MSIC

L (MSIH)

PNRF-+ UNIAN INT L (MSFF.M

(SBL PARITY GEN/CHECK)
MBA/SBLINTERFACE T

(SLOT 1)
vt

| €

1El

-gSI28N
)

MSIF NOT

USING SBI L

DM2

?%\Zfinr ,

MSIL XCYCLEL
MSIC CNTRL PAR ERR H
MSIC DATA
PAR ERR H
:

MSID WRITE DATAL (MIRE)

e P—
J
o5 D—
/¢ MSID ISR L (MSIF)

17458

oYL AN

MSIB REC MASK3 H —o 000N
MSIB REC MASK
2 H
MS1B REC MASK| H —H
s E62

MSID WRITE
DATA H (MSIE)

MSIB REC TAGZ H —— seL¢

3 0;

MSIBREC TAGI H

Ms1B REC TAGG
M

SELB

BEADDATA

SEL A

MSID CMD/ADRS
H (MSIE)

P—

SIL

+3WH

MSIA REC
REC SBI
SBL B3@H
>
B29
___ 2

MSIA

———‘

MSIA REC SBI B28 H ___
|

MIID READ DATA L (MSIF)

D——j,

74500\

54E

AF2

> Diste, mcray

ps | @

O—

D3 D

ki3
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DI

MSID READ FCN H (MSIE)

I8 A T4528\
g2

MSID VALID FCN H({MSIE)

dp—

MSTA53
REC SEL
559Bl[ 579

READS AND WRITES

NORMAL

WRITEFCN]

VAl

rasga8

Nej745825"2

MSID READ DATA H (MSIE,' F)

q..

MSID CMD/ADRS
L (MSTE)

ATA TYPE 1. 3
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HBT

5
MSTA
REC
SBI
BN
H
4
MSIL | 13
ra

MSIB REC MASKJH

723,'

74500
8
Q)—
MSID WRITE| INT L (MSIE)

MS1D INT/MAP ADRS

50d] 2 |

WRITE

ala

8%]

FCN]

READ_FCNK

Ms1D INVALID FON HINSIE)

1
&

;

READ F

MSIA REC SBI B27 H

74585

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v
N
v

)
MSIA REC SBI BHH—— B3

IN out
TTC
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il

74585

MSIL TR SELD Y ————{A3
MSIA REC SBT BV3
H
B
2
M3IL. TR SELC

MEA REC 38T BIZH

NSTL TR S&LB

2
MSIA REC Sof Bas 1 i E45

MSIAREC SBL B22 H —5Q.

fl;s

MSIA REC SBI B2t H —fl

—

MSIA REC SBI B)9 H

)

MSIAREC

MSTL TR SELA W —
A8

IN> INC IN=

SBI BI8

MSID +3V H

MSIAREC SBI Bl6 H

—

3 [rasgi~

mg{:gggg}gg:

MSID ADRS
ok L

s
]

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3
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2 T4SI 8

jfl EETD

D
BQ

MSID EXT REG ADRS H (MSIE)

ENABLE | SELECT

13,

MSID INT REG ADRS L

A
P DRS L

AL NAME

B39 PAa] eg7-89:

T REG ADRSL|

TREGADRSL |

[

BiTS

ouTPUT

Ta)

X X|X
X XllH HHHHHHH

H|X
X X{{HH

H
H

L
L

LILLHIHL
LIL H LYIH H

LIt

LIH

HLLILLLELHHHHHHH

HH
L H

HHHH
M H
H H

HH|HHHL
HH H H

LIH

HLLULIHLHHHHHH
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H

Tflmin"
X

X H XX X XfJHHHHHHEHH

MSID INT/MAP ADRS H(Ms1D, E)

MSIA REC SBI

6 54 |C B A|DS01 D2 D3 D4 D5 D6 D7

249

MSIA REC SBI BJ3H

745138

MSID VALID ADRS H

MSIA REC SBI B34 H

yul
¥-

— MSID MAP ADRS L

53@—

MSIA REC SBI B@S
H

]

MSID 43V H (MSIC, D, F. L, M R)

MSID +3V
H

£26

: 745 do\ 8

2 7aLse7\

(455>

E39.

[— MSID EXT RES ADRS L (MSIE}

MSIA REC SBI B8 H

;

-4

E25

E2¢

MSID ADRS OK H (MSIE)

3
: o\

74s
5|

— Q) E45

—3d7arsohiz

)

MSIA REC SBI B@IH

MSIAREC SBI BI? ¥

MSIA REC SBI Big H

H —-'-c

MSIA REC SBI BIS H

J-:_] N
-

MSIA REC SBI B2¢
H ___'%074‘.527 8

Al
-

‘
3~
MSIA REC SBI B23 H —ZQlyy-0
507\ 6

nep|

MSIA REC SST @it M

MSIA REC SBI 826 H ——( 7527\

E22

LIH
L ||HH

LIH

HHHHL
H

HH|IHHHHHHHL

A
ox |

REVISIONS

CHANGE NO._

Trev.

(VALID ADRS/FUNCTION CHECK)

SCALE

MBA/SBLINTERFACE

(SLOT 1)

(MsID)|DICS|

{

[sveEr 5 oF

ost. ]

wraen

M8275-@-I
1

]

[

]

[

| [3T

H3Zon [5Ja
2|
)

SHALL NOT Bt RIPRODUCED OR COPND OR USED IN WHOLE
OF TS

WRITTEN PERMISOON,

MSIE REC BUSY CMD H

MSIE EXP WD H —

MSIH PAR ERR H

MSIE

—

MSIRTIL =

MSIE CMD BUSY L

E6T|.5

ERR H —

——

MCPA INIT COND L

AFY 13

MSIE MBA BUSY H

MSID CMD/ADRS L —2|

MSIE MBA BUSY L

MIRB SET PGE L

MSIL 437 H

l”
Lo

MSIK CMD REQ L

MSIL ARB OK H

12 e

MSIE CS WRITE FCN H

MSID ADRS OK H

MSID INVALID FON M ——3m
\ e

MSIE

3| E54

MSIE MBA BUSY H

E]T,m

MSID VALID FCN H

13] ESS /

SEND

ERR CNF H

1[e
T4S74)

gP7—

MSID CMD/ADRS H

13| 745112

MCPC EXT OP DONE +TO H

"
S

5__05_
'

MSIR TIA H

MSIC MASTERINIT A L

(MSIM

st
S

Eg 4'{

MSIE SEND BUSY CNF H (MSIM)

MSIL J3vh

* s

Z{Tasi 12
MSIE MBA BUSY L

13}

{745\

MSID WRITE FeN 1

ees

MSID

WRLTE

MSIE REC WRITE CMD H

ES4/

FCNH

1eral

—
| !
2|

MSIE

sTh

2
74508\

E8g

WRITE

FCN

WRITE FCN L (MSIK)

oPe

145114

MSIE REC YALID CMD H

MSIE CS

)

EG4

MSICMASTERINIT A L

MSID READ FCN H

7451

2 Tasd8\ e
o

MSID INT/MAP ADRS H

o] E65'

E55 /

MSIE

MSIE REC INT READ
M

REC

VALID

¢MD

MSIE REC EXT ¢MD H

—2os

—DBlpq

MSIE REC INT READ W —ios
MSID WRITE DATA H

—5

7575\

MSIE EXP WD L —>q E4!
MSIC DATA PAR OK H

MSIE

EXT

READ

H—Lloz

13 MOIE REC WRITEMI KD
2|74s11

MSIC CNTRL PAR oK H —t] E65J

REC

\12

[ veie voemmn

MSID EXT REG ADRS L

Tesgz)!

MSID WRITE FCN H

I3[ T4SINIZ_

3qE4l

o e et READH

1} ES53

MSIR TI8 H

C'—:

rgp)i3

émmsur_

cJ1

re
2 f
&

CLK

VALID

CMD

(WM,

N1REB)
B

MSIE CLK EXT cMD n{mere)

.
o

maplé

meziy?

ri(n)S
2

cJ2

L 5
MSIE

CLK EXT

READ

H (MCPB)

3!\

=% msiE exe WO 1 (mirs)

CLR
02—

MSIE

EXP

L
20

MSIC MASTER INIT BL
|

ii] cMO/ADRS

)

18]

ACK

MSID EXT REG ADRS H

——:‘-@L MSIE REC EXT CMDH

MSJE SET WD FLT H (MSIH)

74564\

-% 7;‘2'3'

MSID WRITE INT L —

MSIE REC BUSY CMD H

MSID WRITE DATA H
MSIF ID OK
H

MSID READ DATA H
MSIF READ DATA PEND
H

MSIE SEND ACK
ACK HH( (MSIM)

’

msiR Tiaw—Ye

_'b®

ET9

wsie ser o ReAyL (MSIK)

gP%

MSIC MASTER INIT A L

—

MSIL +3V H

A
REVISIONS
[

owarw

{

T
,

(MBA

BUSY

COMMAND

TITLE
MBA/SBL INT
ERFACE

SCALE —ff

|sHEET
6

INTERPRETER) ( SLOT )

ISIZEJCODE

NUMBER

(MSIEY D [CS

ost.|

REV.

M8275-¢ 4
|

[ 1

1 I

8
|
THE
ARE
MEREIN,
SPICIFICATIONS,
*THS DAAWING AND

T
o APRCOUCED
O COPD O LD
1y WHOLE

OR 1N PART AS THE BASIS FOR THE MANUFACTURE OR SALE

PERMAISSION,

T3] F0SZBA1oId]
2|
I
745175

_El28

Blos

w0287 mstr ok wei v (Morec)

MSIF ROPD2 H —-Jq Eiz8

MSIF ROPDI W —{74598\

st TR s W

MSIL 43VH E‘J

—! e =

MSID READ DATA L — 4G EN

5 A3

MSIB REC ID3 M

MSIL TR SELC H

Ass |6
A<B T

MSIB RECIDI H — '2fAl

MSIL TR SELA H

—

MSIF [D OKH (MSIE)

?leg

be C%—r

SELA

ERP

2P,
Pu

EZ9

i veod\ s

E77

Yh—
a0

Ve
2leis
N

MSIB REC MASK
#H

E7% ., 07_[

MSIF READ DATA PEND L. —

Ms18 RECID2 H —'2{A2
MSIL TR SELBH —
]8I

DPpp—

Msie
REC D H —%lag

MsSIB REC ID4 H

754%64

ROl

MsIF ok oei L

R msie ok o182 H(MsTH, MoPALB.C)
|

RO
RIS T2 MSIF seT CORRECT RD L (MIRC)

2
R =
ROW|=_3°

MSIF SET RD suBL (MIRD)

R ax

IN> IN= IN<
—

Ra(o)l”_ MSIF CLk DIe2 L

4SO
ol

D p——

o] T4s1 \ g

CoEcT

il
MSID READ DATA H ————

E92

MISC

MSIF UNEXPECTED RD H (MSIH, M)

MSIR TIAH

READ DATATYPE 3|2

MASTER INIT BL

—

MASK

'RD
SUBSTITUTE
X |X
[CORRECTED DATA] @[

NORMAL

DATA__[

)

]

—

X
1o

o1d1d

]

MSIB REC MASK3 H —Q

MSIB REC MASKZ H —20 ol J2]

MSIBREC Mask| H —3g ETS

C
74585

MSIA Rec sered7 W _'|es E35
MSIB INTR REQ7 H _% A3

MSIM +3V H

MSTA REC SBT 806 H {82

MSIA REC SBLBO5 H __|BI

A<B pI—

MSIB INTR REGE

H = A2

I (MSIB) MIRC '"T“’;‘:‘g;gclggt "4% 74527 ¢

A= |8

MSIB INTR REQS H _'2|Al

—

DAY

Eag

54 ,E75 I

__ '3

MSIK CMD REQBH 2] 74519 \ 12

MCPB DT READ H

(MSILIM)

ENI 5Q

L
=

74398 \ 3

MsIR T3 H —2 EI0!

MS1J SET ERROR CNFL

2 LA
D

1L.\6

usmP
a|EMLS

N> INs INS

MSIF NOT USING SBI L

MSIC MASTER INIT B L

]

MSIF RDPDI H
. (MSIH)

¢t
0|

MSIF ISR COND
L (MS1L)

msmTIA W —2c aPe—

MSIL +3V H

MSIC PWRF + UNJAM INIT L

MSIFOLK DIBI L

—

—-5‘ MSIF ISR COND H (MSIN, P)

MSIE CLK DIB2L

MSIF SET RO SUB L

MSID 43V

EN3

s Eig7ls

MSIA RECSBI B64 H _|6d
Mste INR REqd H _®|Ag

MSIL ARB OK H

MSIM 43V H

MSIR TO H

LT P c—;—- MSIF ROPDZ H

MSIF RDPD2 L

"E";i""‘
9
nle go—

2
3

l" 5

s
£95

!N
3]

TDA-L$7I40°_ MSIF NOT USING SBI L (MSIF, D, H, K, L)

D=
o

| u')

Wi
msir T2 —ic

02__
o3

B
S Tasa

MSIF RDPD CLRL

MS1J SET RETRY L

o EV28

FFI

O——8» MSIF READ DATA PENDL (MDPA)

"9‘:::!73‘_‘:5 - o8 3
MSIC PWRF $UNJAM INITL
—2

MSIF READ DATA PEND H
(MSIE,H)
MSIF ROPOI L

; cm{

‘

REVISIONS

CHANGE NO.

l[nzv

(SLOT

3w ng

]

[

Sae

MBA/SBI INTERF,
|

ACEMSIF "'[“’°
D|CS|

[sHeET7 oF IS
2

—
M8275-@-i

ost. | 1 T T I 1 1 J
[ W

)

{

ASPRODUCTD OR COPND OR USED N WHOLE

———

|
s

MSIB REC 104 H

'jes

MSIM XMIT ID3 H

_:.:. a3

MSIB REC IDZ

MSIM XMIT 102 H

—la2

MSIB REC

Hig

MSIM XMIT ID4
H

SI8 REC ID3 H

TDI

[ [T 7S

Ex)
2|

74535

E38

A>B

A=p |8

MSIH XMIT/REC ID EQ H

Acsl?

MSIM XMIT IDI H —_'2|al
MSIB REC IDG H
3 |pg

MsIM xMIT I H — 'Y a0

1 {px

R3 M 14

746174

Ry
R2{

R3{

RI{l

MSIL XCYCLE H—{775a0\ 5
MSIH

18|

| E82 )

XMIT/REC IDEQL ——

EBQ

—_

MSIR TIB H

R (1)

RSOSSN parn eartTy R W (MIRR)
12 (€82)

R4OZ
T metH uvexP RD BT H (MIRR)

R2()
rig) S

’

—¢

MSIC MASTER INIT BL

sz Moz xmMrr BT W (MIRR)

7 lEM)

MSIE SET WD FITH-E{D2
merLxevclte +H_4 jor

‘

MBIB REC FAULT

Eog

T
MSIH WRITE
SEQ RLT H (MIRR)
l

MSIL +3V H

745988

MSIK CMD REQ BH

D 18
74574

a°

MSIR
T2 H

ENs

)

EN7

MSIM i 3VH
|2 L
o

2103
B|0aT4LSII

1Le

-MIRD 1S TIMEOUT H

F82

9 [ MO CLRTIMERH

D
tl.g
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c ! gpl—

2le

+3V

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MSIR TIA H

MSIHCLRTIMER L

(ex)

L—"

4174510
5|

Ell4

MSIMISTOCLRL

9 asig\a

MSIH RD TO CLR L

MIRD RD TIMEOUT W

E83

74574
pag

MSIF RDPDI H —2

EIp

MSIFREAD DATA PEND

MSIR TG H

F,
£
MSIH SET RD TIMEOUT L (MIRD)

@_&___

MSIH CLR TIMERH A

MSIK SEND
TR H —=2 EI94

—— MSIH SETIS TIMEOUT L (MIRD)

:
74313
e

1’;5-

MSIF CLK DIB2H -

MSIH XMITTED FLT H (MIRR)

MSIK CMD REQ B H

EN3

MSLJ REQ COMPLETE M -

EP2

9
n cEH2l #Ps

MSIM +3V H

llz Sis 9

MSIC PWRF +PGM INIT H

'
MSIK CMD REQ 8 H ——{74ca3\

.3 74518\

MSIR T3 H

P EiB} }—
MSIH REC FALLT L__"®|

1374508

(R CK

MSIR TOH

MTRV BwRF INIT L(BA)

MSIH REC FAULT L

MSIB REC FAUT H

1|9

2
H—1[T4584

oPe

—

Ry |2

S| g
»

R LD CP CON

—12

1a T_”

MSIL #3V o

MSIC PWRF +PGM INIT L —

LN
CRY BRN

9 D3

Ra(s)

COUNTER WILL WAIT UP TO 512 SBI CYCLES FROM:

1) ATTEMPT
TO 68T BUS (SEND TR)

2) WAITING FOR READ RESPONSE FROM MEMORY (RDPDI)
IFTT

CANT 6ET BUS
IT WILL SET ITS TIME OUT

]
_
0|

745193

ssa\

—2{ E8FJ
.

EB2

R |2

roc) |2

L _Ral
]

DATADOESN'T
ARRIVE

]

SETS

TIME

OUT

(FAULT

]

R LD CLP CON

THE

D Tu

RrR2(1)

15] g
T

REVISIONS
e

c
IF

‘

MSIR I8H

[e]1

MSIH PAR ERR H (MSIE, M)

EI¥

M8275- g1

MSIC CNTRL PAR OKH——

MSTF LNEXPECTED ® H 12102

MSIH XMIT/REC ID EQ L (MSIH, M)

Jii

'HERE

E9I

MSTF NOT USING SBIL —17asag\
¢
5
MSIC DATA PAR OK H : —2C57—=
[ E88 /

IN> IN: ING

CONDITION/SBL

SALE L ope

TIMEOUT)

[sveer
8 oF 5

(SLOT

ost.] | [ § 1 1 1 |

WRITTEN PERMISIION,

DMMITAL SQUIPMENT CORPORATIONTM

97451 \ @8

E131 )

;

IEamesam =0

FE 2 a0

2 T

M81JREQ COMPLETE
M (MSIH)

}

MS1J SET ERROR CNF H

MSIK CMD REQ L

12| El44

MS1J SERV WRITE H

TASPA
Eip

2 asge\u

M$14 REQ COMPLETE L (MSIK,
L)

MSLI LXCYCLE+2 H
MSIJ CYCLE +2H

S04

4] DT WRYTE /WaiTs ek
]

£ @"———o MSIJ WD2 ACK H (MDRL, MCPA)
rFe

;

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)

4311 \ 6

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MSU /R H

WSIR T@ H

MSIB REC CNF@ H

“esea\a
msikomn reqr —+ EI38 )/

o
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MS1J CYCLE+3 H

E|3

745

Jray

JOT

OK2.

MSL SET MR oNF L (MRc)

EI13%

WSTL

MSIJ REZ CNF@ L

ppp—

A ke

O/A

KCYLLE

13
raplt

——iDy

RIW

MSL)

CYCLE

MSIL ¢/a Revcre+s n—2lo2

reH— sty crCLE 43 W

MSIL C/A xcvelEszh—Slo1

,
Ri) T

Ty L

MSTJ CYCLE+4 N

MSLJ CYCLE +Z KW

RIgE—

MSIL X CYCLE +2 H
1

}

- MSIJ SET RETRY L (MSIF, X)

2od

RENFE~——

LT E

MSTa LXCYELE 2 1

CcLK

MSIR T3H

9 CL\R

T43¢
MSIBREC CHE| H ——3{T452

MB8275- o-1 | E

MSIC MASTER INIT B L ————

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£33

MSIR TgH —H
Zi{rasn\

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—

MSIJ CLR C/A XCYC L (MSIL)

% NO ACK RECEIVED FOR FIRST LONG WORD

$]
)

'Tz‘ 74511\ 8

1 EI2G /

MSLJ

MSIK CMD REQ A H

[ m,

Msly smlwn ITEH

MCPB DT READ H b
(MSIF, L, M)

2| Ei3g

Ei20/

743

s DATAWRITTENTO NEMORY DURING A DT READ OPERATION
ECEIVED

sty m|N/R CNFH

x| 74Sil \ ¢
4—

FOR SECOND LONS WORD

? CPUDID NOT ACK THE READ DATA 1T REQUESTED

&C/A BUSYCNFH
|
( (MSIR‘
(MSIK)

MS1J NOT ACK H
|

T4S#8\

msIR To H —2{ E138

MSIJ SET ERROR CNF L (MSIF, MIRC)

(CONFIRMATION CHECK)

(SLOT 1)

MBA SBI INTERFACE. _ [ lce]

oaeed

M3IJ SETERROR CNF H

WCALE . —F——

Towesr

9 ofF s

ost.] 1

51 E ) p2

mazrs-go

[

1 1

[[ST-Fgzen FIg]
2|
MSIL 3V H

MSIM +3V H

2ip

MSIJ SET RETRY L

la; .
s

MSIK ACK WAIT (6) H

74574

El40 | s
2ec oP%

MSIL ARB OKH

MSIK CURRENT REQ H

;

MSIK REQ DONE. L

MsIR T3 H —3{ EIS2

74528 \ 11

2{y

95 ou

'
i

gg MSIK SEND TRH (MSIH, M, MIRP, V, MCPJ)

MSIK REQ DONE Lj

g :)-é-—

)

99 Og——‘

MSIT CA BUSY CNF H

—8»MSTK HOD TR H (MIRV)

;4514:)—

74574
El48] o

¢
3

MaSIFNOT USiNG
£81 L
'

MSIE SET IRD READY L

]

MIRV ARB OK L s8¢y EI26

MSIK INT RD READY H

a2t
s
1g
J

| |7asuP—
T 4ens| g

MSIK INT RD REQH —

Ele

Tus
.

(FLi)

MCFC EXT OP DONE+TOH I

MSIE CS WRITE FCN L

74529\_a

MSIM +3V H

18} E132

1 74as112P

9 El145|

MSIK EXT RD REQH

!
;

MSTR T2 L

—31,
=

a
MRIC MASTER INITBL

—-

120 El45|

—K
:

MSIK
EXT RU

745175
Eia3

AD:
READY
H
BErmpryr

2 T4 “3}._..3.

!—4__?1'_5_/

1 E”gs 3

I 14

74508\

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i

—

: '07;3122: ]

:‘

MSIR TLL ———g Fa

—

R$($ -(:

—

REQ LL (MSIM)
(MSIM
MSIK1 NT RD RD REQ

MSIK EXT RD REQ &

]

L% 0

O——

K 8L 7

12!

ROMG=2—
3

CLK CLR
9

MSIR T2 H

ROW}E

ja
_—

FK2

MSIK CHMC READY W

2loz rz(PE—B"ms INT =D REQ 1 (MIRF)
=1(¢)

RI(NPZ———MSIK CMD REQ 8 W (RaIF,H,TM)
=3 ()

3 i

3 ;43”"07_

—23103

rz($)HL

MSIM +3VH

M3I¥ CHC REQ
AH

J)4

12 7451;2

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f
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1 J

s
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MSIK CMD REQ
A K (MSIF,J,1,\)

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119 E3g - T MSIK CURRENT REQH

l;g .

251

I oFf

°§° ;

|—» MSIK CMD REQ L (MSIE, J, MIRP, MDPA, S)

74s88\a
23|

El44
/

MSIC MASTER INIT BL
MSIM +3VH

[0, Dz———T45T4

EI27 ! 9

MSIRTIH —c
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'MS1J REQ COMPLETE | -—Licy E108

oP3—

L MsIK REq DONE L

WAMLILADL P-LE88

REVISIONS

Trev.

(REQUEST ARBITERELOT 1)

TITLE

SCALE .

?‘ 3

SI1ZEICODH

—i—

[sneer
16

os. |

| TM

NUMBER

REV.

111

;

‘

;

|FT 7=

g 2

MBATRSELC L

882 |

E21

E2l

. B3

|s,h?\|a

2
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lTeisgiN8

MSID +3VH

. L,

£21

21— MSIL TR SELA H (MSID, F. L, M)

-_—

(exa)

cLk[oRealaeaclqo

MIRV ARB OK L

4 | plolax o8l Qe
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1 | Qa’l gB] Qc’

1
]

€94

CTC

H [ L

C(C

IRl

.
L
LT

TtL

¢,

[_a )

MSIJ REQ COMPLETE L

—Q

MSIC MASTER

—12Q

INITA L

MSIL ENAB WDI MUXH

L]t

C-

MSIL ENAB WDI MUX H

[

[__a K)

- {MSIM, MDPS)

(Fed) 4

7‘5" 12
C

)

J, M)
(MSIF,

7 | SHFTIL0AD)

MSIL SEND TRHOLD H (MIRV)

€129

MGIF NOT USING SBI L

MSIL C/A XCYCLEH

21k

{ENY)

2!l

Tashe
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perl 1o reseisH (MSING

MIRV ARB OK L B

) 0iS
LAl

—-—

N
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as LW MSIL XCYCLE +iH (MsTH)

qa 5~ MSTL XCXCLE W (MSIHM)
3

ML JOWLE

': MSILTAR ENAB AL (MSIA)
c

MSIL T/R ENAB B L (MSIB)
‘L es

MSIL TR SELCH —2A2

gg "‘— MSIL ISR RESP@6 H (MSINF)
F5[C— MSILISR RESPPS H(MSINP)

%lg

ra} 2 MSIL ISR RESP4 HIMSIN P)
F3}-L— MSIL ISR RESP@3 H (MSIN,P)

M3IL TR SELO L —nata

F1 F5— MSIL ISR RESPI H (MSIN, P)

S33¢

—— MSIL +3V H(MSIB C, O E F, HK,L,M)

I 2

<Ré

oarus 3088

Wich Fe[S— MSIL ISR RESPR2 H(MSIN,F)

F) r-:—— MSIL ISR RESPJ9 H(MSIN, P)

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STATUS
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WTMIRA REC

INT B23

H{MIR
K6 MIRJ)
B

Fé —|-5—MIRA REC

INT B22

H(MIRB, MIRJ)

INT B2

H=CAI

F5 2

MIRA REC

INT 821

BUS MBA INT B20

H(MIRJ)

H%n

Fat—

MIRA REC

BUS MBA INT B19

INT 829

H{MIRK)

H=BP'

7103

BUS MBA

Fs?MIRA REC INT Bi9

INT BI8

H(MIRC, MIRK)

H.ijm

F2—MIRA REC

INT BI8

BUS MBA

H(MIRC,MIAK)

INT B17

H=e|.|

Fl =—MIRA REC

INT BI17

H{MIRC, MIRL)

FOF— MIRA REC

INT Ble H(MIRC, MIRF, MIRL)

BUS MBA INT BI6

H B

'
i

BUS MBA
:
o

INT B@7

AL2 18

745374

’Au_fi'm

F7 —|6—MIRA REC INT BO7 H(MIRB,MIRD, MIRF, MIRH
, MIRM)
F‘.-—lg—&.‘.xa.z
EC INT B2o H(MIRB, MIRD, MIRF, MIRH, MIRM)

BUS MBA INT B@é

H mo@

BUS MBA

INT B@S

m-c&

FS—E-MIRA REC

BUS MBA INT B@4

m—a—m

BUS MBA INT B@3 H

FAl—— MIRA REC INT Bg4

m—;oa

BUS MBA

F3—— MIRA REC INT B®3

INT B@2

F‘Z—é—MIRA REC

INT B@2

BUS MBA

H(MIRB,MIRD,MIRE,

INT B®I

Fi ~2—MIRA REC

INT 831

H(MIRB, MIRD, MIRE, MIRF | MIRH, MIRN)

BUS MBA INT BDO H ——100

MCPK

INT BUS

ICLK

DV2

CLK

.
:

MIRN)

MIRF (MIRH, MIRN)

ENAB

cA2.Cv), baZ

E92. EVI, FA2

AC2

Dr>Fn

[mLw

'
H

AR2 AV/, Bra Bv/
Fn

I3V

Dv/

AN, AN, AT

CAD

8¢z 8K/, Bwe
BTl

cca

HIGH IMPEDANCE BUT POSITIVE CLOCK TRANSITIO
NS
|WILL STROBE NEW DATA INTO ITS INTERNAL
MEMORY
WHICH WILL APPEAR AT Fn WHEN ENAB GOES
LOW.

—

enrcwa erl

DC2,

DN/, DN
!
GRS B

’

DT/
LY

sv
2

NANSPSASE P-LSH0

[

c2p-Coa

.
T

C6S

Texr

BEI?”
T

MBA INTERNAL
f‘“
REGISTERS (MIRA)|D|CS|

SCALE +—

(SLOT

INTERNAL BUS RECEIVERS)

Ex/

(MBA

FV/

H(MIRB, MIRD, MIRF | MIRH ,

H(MIRB,MIRD, MIRE, MIRF MIRH, MIRN)

ll.il

ENAB | CLK

H(MIRB,MIRD,
MIRF , MIRH, MIRN)

FO— MIRA REC INT B@0 H(MIRB, MIRD, NIRE, MIRF
, MIRH , MIRN)

CLK ENABR
T4

INT BPS

—rm————

745374

[OES] ms 276
76-0-1]0]
T

CE2]18

CLK ENAB

[sHEEY

2 oF

RASER
M8276 - @ - |

ost. |

[

JTTTT

)

| [G] -@7325w EJqg) 2)

HEWEON, ARE THE
“THIS DRAWING AND PECFICATIONS,
PROPERTY OF DIGITAL BQUIPMENT CORPORATION AMND
SHALL NOT BE REPRODUCED OR CPFMID OR USID IN WHOLE

IN PART AS THE BASIS FOR THE MANUFACTURE OR SALL

+5V

WRITTEN PRRMISSION.

7413174

ES®

FCN Ha——
; D5

MIRV T2A ”?;?;35\ 8

RS() ) MIRB C5 WRITE FCN H

—D4 R4 pb—
n D3

MIRA REC INT B@9 H

MIRA REC INT B@S8 H

MIRA REC INT B@7 H

—

cF2

10 WRITE

MIRA REC INT INT B@6 H

R3(1)

MIRB)

R} }—— MIRB CS B@8 H

RI()

D¢

RGO

CLK CLR
3

____I I

74504
El

:flIRB CS BP9 H

MIRB OT BUSY H -l

MIRB CLK CPO H-————:—g-

MIRS .MIRE
MIRD, MIRE,
MR
WiRvy

MIRB CLK MAP H

MIRB CS B@S L

(MIRP)

MIRS
CLK IR H 519461\ 8
MIRV T28 H —2

(MIRB)

MIRB DT BUSY H—L|EU6 /

?JJ?;:F)CS BO®7 H

NIRE 43V

SE]]

]

MIRB SET MM H

mfRBF\CS 86 H

—as\.8
S

13 )Eng

10 len

630

74564\

MIRF
MRS

MIRB SET PGE H
3

R
SET PGE L
74504 >0 4 BSI MIRB
EI25

—

(MIRC, MSIE)

74L82%9

741 5174

IF CLK, ENAB
L

AND D=H

Ee4

MIRA REC INT BG5S H

MIRA REC INT B@4 H

MIRA REC INT BG®3 H

MIRA REC INT B@!

MIRA REC INT B9 H
>

4
MIRE M8 MAINT MODE H—14,503) &

.
3 BTy

MIRB CS B@4 H
(MIRF)

! 51339559
Fr 2

S |Elie J

(MIRF)

R20)

ORI

‘

op R

H(MIRF, MIRP)

;

C_E

e MIRE POM INIT LTSI}
MB MAINT MODE L -4

745138

Enap con s -

MIRB CS B@8 H

;

SELA DI o:;

SeLc il
DIpr-

BM2

BY
WD HE—

MSID WRITE DATA L

5—{sELe D2pg

MIRB CS BP9 H
SIE EXP

—

2132 )

|
Lle

:‘g@

I,z

EH2
2 MIRE CLK CPO W

R26)

4
—{08

MIRB CLK MAP H

2
REO |o
3

RE()

CLK QLR

MIRV T® H____T—P|
MIRB +3V H

MSIR STROBE MAP H

—

DRI

NCPB DT BUSY L 8]

S
.

[2@

(MIRE}

2EBi28 /|1

2 |292>

\ MIRB CLK CONF REG H

mIRE CLR PWR DN L

(MIRV)

8 MIRB CLR PWR UP L
——?—.,45%
10
(MIRV)

MIRE w3V H

okl

|12

)

20 9
154
Ko
| cBBoPE

MIRV TI H

(MIRK, MIRL)

% ]

MIRB GEN MAP PARITY

.
E12

[rev.

MIRB DT BUSY

(MIRB, MIRR)

(SLOT 2)

(INTERNAL REG CNTRL)

REGISTERS

[

d74spa

mar.

—

MIRB CLK CONTROL REG H

MIRB MAP WE! L '

2 "15453é4¢ 8
|

tlox]
By cuneeno

(MIRC, MIRD)

MIRA REC INT p22 H——{&''3

MIRB CLK STATUS REG

)

=
MSIC GEN MAP PAR H B

MIRP +3V H

MIRB CLK STATUS REG

(MIRC ; MIRD)

2T
Fl7as) ©

MIRA REC INT 823

RI@LE

|Bie

1] 74511}

MIRV T2B H

o7p

(MIRF)

—~

Ra@ |+ MIRB CLK IR H(MIRB)

=
*lon R ——

MIRB CLK VAR REG

28 )

R3N|—

BYTE
CNT
L
CNTR
(MIrnj "CLK BYTE

174511 \ 12

—His? o

(MR
O A0 BYTE CNTR L

_
06 P—

T 174

(MIRB)

MIRB

=L uirae seT MM H

725738

745175
E142

E“5wcls

{72523\ \ 3

}

INTO | OF 8

)

2{Els

MIRBDTBUSY H

DECODES SEL A-C

5 14320

g |

| 74500\~

MIRD CLK DIAG REG H
(MIR)

H{ENS

'5! 14

MIRA REC INT B@3 H -2

—

10174510

_MIRB RS@! H

Fi g

B-

%
274511

.2 BT
_

MIRB RS®3 H

STI

MIRB RS@4 H

a2
es L7

MIRE CS BPO H(MIRF . MIRP)

CjK CLR

BMI

leiz2 /

MIRE +3V H-—E— DATA Fé- —%|

MIRB CS Bp2 H(MIRF, MIRP)
MIRB CS B@!

TRy

D3 R3M . MIRB
CS B3 H
(MIRF)

MSIE CLK VALID CMD HB»—

MIRV PWRF INIT L

MIRB CS B@S H

RSO

3 D4 R4()

MIRA REC INT B@2 H

ACTS LIKE 745138

[

SCME A

[sweer

(MIRB)|D|CS| M8276 -@ -1 | D

3 of 20

ost.| | T T 1T 1

T e

[

| [g]T-?.3z2w

g
2|

“Tritg ORA!
PROPERTYY
OF

AL NOY
OR N PAXT

oF iITUnd

WRITTEN

MSIJ SET N/R CNF

DK2
L B

MCPA SET

12
4

5
MIRA REC

INT B3¢

[

E% | s
kK
oPT

Y3
VMSIF SET CORRECT RD

BR2
L B

MIRC N/RCNF

(MIRR

MIRA REC

—=

MIRA REC INT B29 H

MCPA SET DT ABORTED

MIRA REC INT BI2 H

MLRP

MIRC PGE H(MIRS)

q74s®

MIRA REC

INT B19

+3V

MDPK DATA LATE

MDPF DIB SCLK H B

Eiz5 D";‘

MCPC SET NED

L B>

)
BC

ED!

4 }3_'5_

H®»—

H(MIRS)

MDPK DATA OVERFLOW

oMo

MIRA REC

MIRB CLK STATUS REG L
MIRA REC

INT B17

INT BI|

MIRB CLK STATUS REG

4520\

ED?2
H®»

9
y

|En2

9—Crasady,

MIRC CLR STATUS REG L
1

1514

DL WRITE

MIRC

E38

MIRC MB DATA LATE

MIRC

(MIRD}

DATA

LATE

15 MIRC MB CNTRL PE
1a

WIRC

DL READ

K?db;o

MIRP

H(MIRS)

]

RP +3V H

—

DD2
Hc'Tu

:AJ?&T\‘VCK UPPER MIS H

—,

MDPF SCLK2 H®»——} 7"'5760_1“;41% WCK UPPER MLS L

MDPT WCK UPPER ERR

[}

6 | 592

L
=

\
1

74508\ 3

Eo8

L
=—C
L —ou

MIRV MBA PWR DN L —

MIRV MBA PWR UP

L —
=

MIRB CLK STATUS REG H

45133

MIRE

INTERRUPT ENAB

H —9

MCPB OT BuSY
(MIRB, MIRF)

L o2

MIRV T2A

(CJ2

iy,

WCK LOWER MIS

“‘————MIRC WCK LOWER MIS L

o Pis

(MIRC
, MIRD)

D
16
nsul

—

ESS | 5

o8I

!
2

Srasean.

|28

MIRC

INTEF;R)UPT CPU

(MS13,MSI]

MIRC WCK UPPER MIS L
MIRC

|
5

—

MIRP +3V

MIRP +3V H

L——q“

ezl

!
~
Ew

BEI
o
L B—— 2

(MIRVIMSIC UNJAM

MIRA REC INT B@9 H 1
>

MLRD)

‘

H ——r—
. ;Ju'sa;

MIRV PWRF INIT
MIRC DT COMPLETE
MIRD MISSED XFER

(MIRC,

— s

| —1

MDPT WCK LOWER ERR

INT B16

MIRA REC

[EG

1L
1[0

TALSPESO—
E18

TATUS ATTN H

MCPA INIT COND

STATUS

(MIRT)

74500

(MIRD)
MIRV PWRF INIT

CLR

(MIRC. MIRD)

MCPE REC MB ATTN

oPe

MIRC

EW"OQ

g |EP
UL s
o

Té

17
MIRC NED

T MCPE
MCPE LL St
B

_Jei09

(MIRT,

JER° |,

s
K

MCPJ SET

qE125)O~=
12
K

MIRC DT ABCRTED H

(MIRC,

| B

INT B18

24508\

L B

oPa

—
L

MIRA REC

MIRC DTM COMPLETE

2 1k

EUI

(MIRT)

MIRC PWRF + PGM INIT L

4 Ql

MIRC 2T COVPLETE

ESS | 5

DR2
L B

MIRB CLK STATUS REG L

oPo

:"“576F_|

° [ b5

MCPB DT GO
(MIRH)

SET DARE

1o
MIRC
CORRECTED RD H
PO
(MIRR)

MIPRA

52
T2

qusel |

INT BI3

MIRC PWRF + PGM INIT L
(MIRC, MIRE, MIRF, MIRJ, MIRV)

DT COMPLETE

3
MIRC

WCK

ERR

{(MIRDY

ox]

=-‘

ARVISIONS
owesino

[

}
l

(SLOT

(STATUS REGISTER)

TM=

MBA INTERNAL
REGISTERS

SALE

[sweer

EICO0!

(MIRC)|D|CS|]

oF 20

osv. ] |

Tee

1T 1

REV,

M8276 - @ - |
1

WAITTIN PoROL

MIRC WCK ERR L

1G7 7 DWSITAL EQUPMENT CORPORATIONTM

MCPA SET MXF

—>-C
6 DE2
4 .@.

MIRC MB DATA LATE L
MIRD MB DATA

}

| (37 3228w KA 2|

MIRD MB DATA
+ WCK ERR L

(MDPF)

MSIF SET RD SuUB

BS2
L B

MIRD MISSED XFER

(MIRT)

£B2

L>_—__17
I

MIRA REC

INT B@&

MIRD MISSED XFER
(MIRC)

L B

MDPV REC MB EBL H

4 [

MCPH REC MB EXC

FAL

MIRD MB DATA PE

otn

CLK

STATUS

REG

TIMEOUT

MIRD RD TIMEOUT

L (MIRD)

)

(MIRU, MSTH)

2 |K¥9L
pu

MIRA REC INT BG¢ H

(MIRD)

MIRD

MIRB CLR STATUS REG L

TIMEOUT

MIRD MB EXC + MDPE H

MIRD MAP PAR ERR H(MIRU)

(MCPA, MOPA)

:ls

¢4
jys

MIRP SET INV MAP L

MIRB

—

o
6 K

(bOT—

4
MIRA REC INT B@®5

mgzgo)rs

371,
o 12

IDI_QL

e fartib y

MIRB CLK STATUS REG
MIRP SET MAP PE

TIMEOUT

i
:__z

MSIH HSET
SET RD TIMEQUT T L L

& LL MIRD MB DATA PE H(MIRU)

2 1g

INT B@6

(MIRU, MSIR)

—

MDPF SET MDIB FULL L B—

oP1a

Y3
Ad

FB2

H3——® MIRD

MIRB CLK STATUS REG

MIRA REC

MIRA A REC INT NT 831 { H

o E&8S
U5k O.'.i
K

H B>

-l—60 Ei22)

1% MIRD MB EXC H(MIRU)

MIRA REC INT B®7?

MDPE REC MBD PE

(MIAD)

! 74L576:

)

SUBSTITUTE

“l_mmooao SUBSTITUTE L

¢Pic

+3V

MIRD RD

(MIRU)

s,
MSIH SET IS TIMEGUT

MIRE

H
p—

— a4

MIRA REC INT 802 H

MIRB CLK STATUS REG

———

MCPB DT READ
(MIRR)

74500\,
Ei @

° 74500 8 DP1I

Jeig

MIRD SBI
{MCPA)

ABORT IMM

ol MB276 - -1 D] 1

—14
.

[}

I5iG

|
MIRD

INVALIO MAP

H(MIRU)

6 JHiste
2

E86| |j

oPio

s
MSIJ SET ERROR CNF

DL2
L B

MIRA REC INT B4 H

4
1

MIRB CLK STATUS REG L

MIRA REC INT B@3 H

[

dEe | s

MIRC CLR STATUS REG L

TE12 MIRD ERROR CNF H(MIRU)
¢Pia

T3
.

MIRD RD SUBSTITUTE

MIRD

IS TIMEOUT
MIRD RD TIMEOQUT

MIRC MB DATA

LATE

MIRC WCK UPPER MIS
MIRC WCK LOWER MIS
(MIRCYMCPA INIT COND
MIRV MBA PWR DN
MIRE PGM DT ABORT
MIRB +3V

T
%

07450\
Ell

CT2

MIRD MB

ABCRT

IMM

L
R

SARSUASL P08

REVISIONS
CHANGE
NO,

(SLOT

| ReV.

(STATUS

(MCPA, MDPA)

L
L
L
L

[

MBA INTERNAL
REGISTERS

SCALE

—+—

]seer

SZEPO0

(MIRD)DI|CS|

ost. |

M8276 -3 -1

{

[ J

| [JTT-7 3ZeW £Jq]
2|

MIRB +3V

Jl“ s

MIRA REC INT 8C3 H

%s.,;:»—lb
a

MIRB CLK CNTRL REG H

DCI

|EI5®

MIRE MB MAINT MODE

MIRE WB MAINT MODE

(MIRB, MIRP, MIRU, MCPC, MCPE, MDPD, MDPE, MDPV)
(MIRB)

MIRA REC INT B@2

[EI29

LY
MIRV MBA PWR UP L

T4s04

Ei5p

MIRE INTERRUPT ENAB H
(MIRC, MIRU)

oPE

MIRV MASTER

INIT

L
#

MIRP +3V

MIRA REC INT B@I

MIRE PGM DT ABORT

54.3?

c
MIRC PWRF

+ PGM INIT

EO
S

llo 9
12 .

—

MIRE PGM DT ABORT L

(MIRD)

oPFE

Q
.

o
N

[e ]

)

=
MIRA REC INT BOP H —
MIRB CLK CNTRL REG H

WAANNAR P-1063

MIRB +3V

L—:cz’—@o—b
MIRE PGM INIT L
5
!
(MIRB, MIRV, NSIC, NCPB, MCPK,
8

AK2

MDPB)

(SLOT

(CONTROL REGISTER)

MBA

INTERNAL

REGISTERS

SCALE —r

Isweer

M8276-@ - |

(MIRE)|D|CS]

of 20

ost.|

I
—_—,
[

]

T
’

OB I PART AS THE BASES PO Tt MAMLFACTURE O SALE

[nz

MAX/MIN

RCLK

pS b |G7 7 DMITAL IQUIPMENT CORPORATIONTM

MIRA REC INT Bi6 H

MIRA REC INT BI5 H

)

S|E74

RG()

MIRF VAR BIT (3

H(MIRT)

MIRA REC INT B14 H
MIRA REC INT 813
MIRA REC INT B12

COUNTS ON POSITIVE EDGE (1) OF CLK

(11 E74

MIR®CS 826

|
1

E76

R2(1)

COUNTER

RIN

R}
Y

MIRF

VAR BIT

H(MIRT)

VAR BIT

H(MIRT)

-2 o IF LD=L, THEN On—>Rn
R
T

MIRA REC INT BI@ H
MIRA REC INT BgS H
'

MIRA REC INT BZ8 H
MIRA REC INT B@7 H

R2()

COUNTER

23—

{74516}

MIRF VAR

BIT

|ET4

MIRF RAM ADRS 5 L

(MIRK, MIRL, MIRM, MIRN)

749537

A
MIRF RAM ADRS 4
b—@)_(m
m MIRL , Mmu MIRN)

—

H(MIRT)

MIRF VAR - BIT 1@ H(MIRT)
6

TEASTST

€7

MIRF VAR BIT &9

H(MLIRT)

MIRB CS B!

5%Al

(MIRT, MIRU)

74537\

[—5—4 Ea

2189

li1 ESI

MIRB CS Bo®

A
MUX

l._o_?asfi"
a

2
l 3|

pore
MIRF RAM
ADRS
3 L MIRN}
(MIRK
, MIRL,
MIRM,

X |

MIRF RAM ADRS 2

{MIRK, MIRL, MIRM, MIRN)

a MIRF RAM ADRS | L
(MIRK,; MIRL,

MIRM,

745157

—

|HIGH IMPEDANCE

1An

[Bn

MIRN)

'
EeT

MIRF

RAM

(MIRK
, MIRL , MIRM, MIRN)

STB S50

RO() — MIRF VAR BIT 7 H
14911

MIRB CS BG3

ADRS

—

(MIRU)

CLK LD DYUP ENB

‘@

i's

RI{N— UIRF VAR BIT ¢8 H

ADRS

9 MAX/MIN RCLK|
R3(1)
10

[917541557

RAM

2 MIRF VAR BIT 12 H(MIRT)

7419}
E7S

b}IRK, MIRL. MIAM. MIRN)

578 S0

sy 4

I 12

T
BDRS T "
MIRN
o
’
»
MIRN)

p—

2 89

AND DIRECTION IS5 UP

(3 TT-7-3228W EJQ] 2|

MIRB CS BO2

OR ALL OQUTPUTS ARE @ AND DIRECTION

Jy.)

ax "?Tm ENB

74537\

L2|2%%
A

=18

MIRB CS 8g4

MAXIMUM IS HIGH IF ALL OUTPUTS ARE |

MIRB CS B@S

J53|

RCLK

7419; R3O

MIRA REC INT Bl H
5174512,

]

31035
12
4
3

]'2

IF ENB=

MAX/MIN

TASTET

MIRB CS BT

RI()

C"’;Lg“ 59‘;

—

IF ON/UP =L, THEN COUNT 0P

‘

1%
el 2 MIRF VAR BIT 16 H(MIRS)
!
COUNTER

2174518),°

74191

LRt

5?4

—
=

cu2)

MCPB DT BUSY L —

(MIRB, MIRC)

)
QY

74548\ 3

[

MIRA REC INT B@é

MIRA REC INT B@S

MIRA REC

INT B4

10
:
s

MIRA REC INT B@3 H

MDPA VAR CNT

1.2

[Wax/MIN

ReLk]

MIK

GR TST

cu2

MIRB CLK VAR REG L

R3{l)

— MIRF VAR BIT @6

¢ (MIRU)

MIRA REC INT B@Z

R (1} -——MIRF VAR BIT P4
5
(MIRU)

MIRA REC

RG(1) —-u&a: VAR BIT @3 H

COUNTER

CLK LD ONAP ENB

(MIRU)

534
MDPA VAR BYTE CNT
(MIRH)

.OK
12

13745‘”

/0N

4 E87
|ea7 J

MIRB #3V H

[578

R3( f—

R2(1)

COUNTER
]

6
»

T0)

AP2

—8» MIRF VAR BIT §2

(MIRU, MOPD, MDPJ)

RI(1) ———.MIRF VAR BIT @
H
5
(MIRU, MDPD, MOPJ)

RY(I) b——————
8 MIRF VAR BIT %cz H

CLK LD ONUP BN

ABI

[waxaIn T ReLk]

INT B@!
s

=
AD!

= 10

MIRA REC INT B@¢@

MCPB DT REV HB———

[14

R2(I)— MIRF.VAR BIT @5

+5V

R38

JeX

15!

(MIRU,

MDPD, MDPU)

1491 sjo,

L
=

q E87

jlox]
'3

14528\,

MIRC PWRF + PGM INIT L

PO
g

MIRF CLR CNTR

(MIRH)

REVISIONS
owseno . Teev

(VIRTUAL ADRS REG/RAM ADRS)

me - MBA INTERNAL

[

(SLOT

hman

YO &

REGISTERS tMre)|plcs| me2z6 - -1 | o
SCALE +—F
[sneer TM7 ofF
20

ost. ]

T T

8
e

ARG L0wETKATOW
N, A TR

MIRB +3V H

OR IN PART AS THE BASIS AOR THE MANUFACTURE OR SALE
SR 107 7 DHETAL MY CORPORATION"

(L4

—10

%S4
E149

MIRA REC INT BIS H

MIRA REC INT B4 H

"E‘a'g

BH2

oPE

MDPA RUN H B——3- T4510

l_ NE

—

MIRA REC INT BI1 H

(MIRJ, MIRR)

MIRA REC INT B1® H

b2
'

MIRA REC INT B@9 H

F2 — MIRH BYTE CNT 30 H

Ba3.6
i

(MIRJ, MIRR)

MIRA REC INT 887 H

(MIRJ, MIRR)

[Co0T

o [ COUT

eal!!

MIRA REC INT 806 H——p2

; oI
'

ki | MIRH BYTE CNT 25 H

::cua

4
FOl—

—cep

(MIRJ, MIRR)

MIRAREC INT B2 W—I03

—'E-cs'r

(MIRJ, MIRR)

|10 CET

Eb6

——9CR

(MIRJ, MIRS)

®dio

]

5 |2 urpn avTE oNT 7 H
(MIRJ
, MIRS)

....2_..4 cLw

MIRH BYTE CNT 24 H

oire ot 9 1

3
F2—<MIRH BYTE
MIRA A REC INT BQ@? = —
H MIRS)
CNT CNT 18
18 H
2 sie
(MIR.J,

L CL K

CEP

(MIRJ, MIRS)

MIRA REC INT 81 H — DI

FI |— MIRH BYTE CNT 21 H

MIRA REC INT 862 H—-{D2

BYTE CNT 22 A
0@22316F2— MMIRH
IRJ, MIRS)

MIRA REC INT 8P4 H

wIRH BYTE NT 23

(MIRJ, MIRS)

MIRA REC INT BG5S H

CLK

14
FO}— MIRH BYTE CNT 29 H

(MIRJ, MIRS)

MIRP +3V H

[

FOl—— MIRH BYTE CNT 16

10 CET

(MIRS)

MIRF CLR CNTR L

" MIR® LOAD BYTE CNTR L

MIRB CLK BYTE CNTR L .@ N
MIRB +3V H
MIRH MB BYTE ONT L —Q

2
re o1 a0 L(acn ‘3”

)

JL“

h °

2
]
He
4574158
i
1| ESV o
e

¢o§—

—lc

(MIRC)

O%2 trCEh.
1Rk SBIDA
BYTE CNTR- 2L

MIRJ BLOCK DATA LATE H

o [

MIRA REC INT BI5 H

MIRA REC INT BI4 H

€007

o [

" MiRH BYTE ONT 15 W

)

(MIRT)

MIRA REC INT B3 H

S oI

MIRAREC INTBI2H

FR[TMIRHBYTE CNT 14 H

QCLR

MIRA REC INT BII

g |2 1k By TE ONT 13 H

€007

MIRH BYTE oNT 1}

[E00T

MIRA REC INT B@6 H

MIRA REC INT B@®S H

F2|—MIRH BYTE CNT @ H

s2316

CLR

MIRA REC INT BY7 H-

(MIRT)

°qLp

(MIRT)

1 15

o2
4

yrpa Rec INT Bg8 H——

CET

MIRA REC INT BI@ H

y1ps REC INT B4 H——

£ 1 (MIRT)
\utRH BYTE oNT @0 H

{

5 CEP

[ cer

MIRA REC INT 803 H —{D3

MIRA REC INT 892 H

F2I— MIRHBYTE CNT 86 M

Ol ceT

(MIRU)

——dcLr
.

(MIRUL)

—dwo

Iib
,

MIRH BYTE CNTO2H | @

33816

SR
—— MIRH B BYTE CNT ) 25 H

)

13
FI =

MIRH BYTE CNT @1 H &7

(MTRUY

CEP rpl® \WiRW BYTE CNT 00 H

-—2— CLK
14

o CEP epl—" MIRH BYTE CNT @4 1

(MIRT)

=02

urpa Rec INT Bgp H—2og

; CLK

gl MIRH BYTE CNT 08 H

FBLMIRH BYTE CNT @3 H

MIRA REC INT BG! H—ypDi

; CLK

pp— MIRH BYTE CNT 12 H

(MIRU)

92316

gLo

a—

o [ <007

|l MIRH BYTE CNT @7 H

9g cLR

02
4

~7—CLK

o CEP

MIRA REC INT B@O M

saie

SgL

IRH BLOCK DATA LATE L
(MDPK)

(MDPA, MDPF, MDPT)

F2 — MIRK BYTE CNT 26 H
Do
Sa316
(MIRY, MIRR)

4
F@b—— MIRH BYTE CNT 28 H

; ol

dwo

— CL.K

CEP

| [GTT-9 9728w
EJ9] 2|

MIRH
uB BYTE CNT L

ATIRH BYTE CNT 27

90 CLR

2
7

g = MIRH BYBYTE CNT 29 W

dio

)

MIRA REC INT 808 H

90 CLR

EBI

!l u1mm ByTE ONT 31 W

; o

)

MOPF GATED SCLK [+2 Hime—
l 15

OJ!
# MIRH MB BYTE CNTR«Q L

o [ COUT

]

MIRA REC INT Bi2 H

—

o [ COUT

MIRA REC INT BI3 H

apE

12 D LB
D

1be

3|0

(MIRW

MIRP +3V H

10 CET

(MIRU)

sl
_

MIRF CLR CNTR L

MIRB LOAD BYTE CNTR L
4

MIRBCLK BYTE CNTR L

-@ 6

MDPA VAR BYTE CNT L —
o 3,
(AB

{MIRF)

93516

WILL COUNT UP ON POSITIVE EDGE OF CLK (1) IF CEP AND CET ARE HIGH
COUT GOES HIGH WHEN ALL OUTPUTS ARE HIGH AND CET ALSO LS HIGH

IF LD IS LOW, THEN Dn—Fn

=T
I

REVISIONS
CHANGE No. _

{SLOT
'[RN

me - MBA
Sa—
e 1

[

INTERNAL

SIZE

NUMSER

Rev.

REGISTERS (MIRH)|D|CS| M8276 - @ -1 | D

SCALE

(BYTE COUNT REGISTER)

—~———

jsHeer

of 20

ost. |

[

{

7«

1] T

ARt THE
“TMIS DRAWING AND SPECFICATIONS, HERDIN,

L[ 17-2 -3z2sn BJd] 2|

e—

PROPERTY OF DIGITAL REQUIPMENT CORFORATION AND
USED IN WHOLE
SHALL NOT BE REPAOOUCTD OR COPIED
OR IN PART AS THE BASIS FOR THE MANUFACTURE OR SALE
WRITTEN PERMISSION.
OF MTEMS
|g77muwmw
COPYRIGHT

D
74LS5174

ET!

—iD5 RS -—§14

MIRA REC INT 822

[o]
mgfl g;;g gfi]r' gé b

MIRH BYTE CNT 29 H—:%:

MIRH BYTE CNT 28 H—
MIRH BYTE CNT 27 H —z

MR Y TE SNt 28 Hl7asi33

MIRH BYTE CNT 24 H—$E4!

MIRH BYTE CNT 23 H —
MIRH BYTE CNT 22

H —

5 | 24582}~

(MIRH)

MIRH BYTE CNT 2@

MIRA REC INT Bag

R4l

MIRH BYTE CNT 18 H——{.Msw

RI(D

MIRJ INV MAP PAR H

MIRJ DIAG 3LOCK CMD

(MIRP, MIRR)

CLKCLR

H —

MIRH BYTE CNT 17 H—-E!29

MIRJ MAINT B22

R2(Np——w» MIRJ INV MBLCPO PAR H
(MIRR, MCPD

MIRA REC INT B28 H ————D3
'

:
10 ENI(MIRS\
R3IM|——8» MIRJ INV UBDATA PAR
2 ac) (MIRR,MOPN)

H—
-]

MIRA REC INT B3|

MIRH BYTE CNT 21 H —ZMIRH BYTE CNT

1 D3
o

MIRA REC INT B29

MIRY BLOCK DATA LATE H

T4LS174
E83
.
’

MIRA REC

INT 827

‘MIRA REC INT B26

—p

13
.

DJ2

RS{)\|——®

MIRJ SIMULATE SCLK

R4()———» MIRJ SIMLALATE EBL

BUz(MIRR,MCDV)

R3(i)

MIRA REC

6
—{

7
cci
R2A F———8 MIRJ SIMULATE ATTN

MIRA REC INT B21

—{Dl

MIRA REC INT B23

DIAG

| (MIRS)

—

ROM) *——-—-—DMIRfiJ DIAG WDIB SEL

(MIRS, MOPD)

CLK CLR

—

(MIRR| MC2H)

(MIRR , MCSE)

MIRJ SINULATE OCC H

RI{)}—————MIRJ MAINT 321

]

MIRB CLK

——

)

—1D03

INT 824

2 prg MIRR,MEPY)

MIRA REC INT B2%

’i:.e

REG

MIRC PWRF + PGM INIT

5
B

i c"'<l[

REVISIONS
CHANGENO.

| Rev.

(SLOT 2)

(DIAGNOSTIC REG)

mTMe

NBA INTERNAL
REGISTERS

SCALE +—F

Tsueer

(MIRJ)|D|CS|

of 20

WARER

ost.] 1

MB276 1

REV.

- |

[

SPECIICATIONS, MEREIN, Allm

OR COMED OR USED N WHOLE
FOR THE MANUFACTURE OR SALE

| (G170 Szzen
g 2|

WRITTEN PERMISSION,

7 7 OIGITAL EQUISMENT CORPORATION®

S ues

S Jues

=1l

= I

oS
Sle

10 2

AP PARITY H

MIRK MAP OUT 22 H

I5 :

EIM

n 2

: :

va)e DI

MIRB GEN MAP PARITY H —'
12

NE DI
?IZIIS

(13

MIRA REC INT 829 H

[ 145208
3

n'qul

ME2

MIRK MAP VALID H

{MIRP,

i5]°
c

(MIRP)

MIRR)

MIRK MAP VALID

r4 H

]

WE DI

12]13

MIRA REC INT B3 H—]

MIRA REC INT B19 H

745200 (19-12069 RAM)

(PINS

3,4.5

ALL

LOW)

DISPLAVED By DO

WHEN WE GOES LOW . THE DATA
LOCATION

SELECTED

]

ME |

)

dus

IN DI IS WRITTEN INTO THE

—
|

Sdwea

H SELECT MEMORY LOCATION

?nz'ns

7452%

WHEN CS ENABLED

( IRP, MIRR MIRS;

51°

;

MIRK MAP QUT 19 H

vére Dl

{

+5V

°le

ME3

745%%

-—4—0\0‘-:-!

ME2

ME3
=1

:
Q

M IRK MAP OUT

A-H

(MIRP [ MIRR,

fl“o
~

18
MIRS)

14 ¢
z |7
1

—
)

:Q
WE

?n.||3
———

MIRF RAM ADRS 7

MIr-F FAM ADRS &

MIRF RAM ADRS 5

MIRF FAM A4DRS 4

MIRF RLM ADRS 3

MIRF RAN ADFS 2

MIRF FAM ADRS |

MIRF RAN ACRS 2

MIRE MAF

MIRA REC INT Bi8 H

A
A
3

| mev.

(MAPPING REGISTER(20:18)
. VALID PAR TY)

TMme

MBA INTtRNAL
REGISTERS

SCALE +—~

Jsueer

ost.|

noeen

(MIRK) D CS

10 of

(SLOT

M8276 -3 -1
T

{1 [T 1T

| C
|

[

TS DRAWIMG AND JPECPICATIONS,
MIREIN, AME THE
MROPERTY OF

DIGITAL SQUIPMENT

L‘ao

-3

5728 B5Jd]

gjfl‘

CORFORATION AND

SHALL NOT Bt MFRODUCED OR COPYD OR LD IN WHCLS
OR IN PART AS THE BASH FOR THE MANUFACTURE OR SALS

OF ITES

WRITTEN PERMISSION.

[T35220

me)
€31
ME 2

ME2

[735288

ME3

i5]°
9

gy E2P

ME3

=i,

—3

MIRL MAP OUT

17 H

(MIRP | MIRR, MIRS )

4]¢

WE D]

WE D1

?'2 I 13

?IZI 13

MIRA REC INT Bi4

E32

745230

E21

* ez

3 ques

S ME3

% le

MIRL MAP OUT 16 H

(MIRP, MIRS)

512
m 5

—8

WE DI

?nzlls

‘fuz’ 13

MIRA REC INT BI3

745200

3 ME |

4
sqME?

4
s

9 £

MIRP,

L
L

MIRF RAM ADRS 3

MIRF RAM ADRS 2

MIRF RAM ADRS

MIRF RAM ADRS @

MIRB MAP WE

MIRS ,

®le

MIRT)

2
1

I!(D

MIRL MAP OUT 12 H

(MIRP

MIAS
, MIAT)

=
5

[a)

?uzl 13

MIRF RAM ADRS 4

o
—

5]°
14 :

;

ME2

0 G

MIRL MAP OUT 15 H

i5]°
e E

MIRF RAM ADRS 6

]

10 GF

MIRF RAM ADRS 5§

—

74520

ME3

3 ver E7

o5V

ME3

MIRF RAM ADRS 7

(MIRP, MIRS
, MIRT)

=10
7 :

MIRA REC INT BIS

MIRL MAP OUT 13 H

)

—

aque °

(4 H

(MIRP,
MIRS , MIRT)

—18

MIRA REC INT Bi6

MIRL MAP OUT

>{H

—®

=1¢

z 17

MIRA REC INT BI7

WE_DI

?12’ 13

MIRA REC INT BI2

ox]

RVISIONS

owawna

!
==

[

(MAPPING REGISTER (17:12 ))

!
8

(SLOT

me MBA INTERNAL

SCALE +——r

ost. |

REGISTERS (MIRL)|D|CS)

[

[sveer

of 20

NUMS|

M8276 - @ -|
T

TTT]

REV.

TS DRAWING AND SPECEFICATIONS,
HEREWN, ARE THE
PROPERTY OF DNGITAL BQUWPMENT CORPORATION AND

}

| [dT-732c8WEg 2|

SHALL NOT BE REPACDUCED OR COPHID OR USED M WHOLE
OR IN PAXT AS THE BASSS FOR THME MANLUFACTURE OR SALE

QF TS

WRITTEN PERMISSION.

3 V35230
Ze2 |

)

TqME!

ME2

ME3

MIRM MAP OUT 11

9 E

(MIRP, MIRS
, MIRT)

10 :

ME3
=l

10 2
9

745%36
:za

MIRM MAP OUT 28 H

2 ]C

(MIRP, MIRT)

D
c

z "

2],

718

]

WE DI

—

?‘Ii-lla
MIRA REC

INT Bil

1213

MIRA REC

INT Bg8

_vw

745200

FE-OMEI Eig
tdmer
3 ues3

3 NE e
2 dme2
Soues

=0l

=il

3 |,

S|.

2
)

A
WE

?l2|I3

MIRA REC

INT Bip

MIRA REC

INT B@7

[ 145200

Sdues
=

510

MIRM MAP OUT @9 H

(MIRP, MIRS , MIRT )

10 G

MIRM MAP OUT @6 H

(MIRP, MIRT , MIRU)

2
|

-l

(o]

WE DI

?czl 13
MIRA REC INT Bg6

MIRF RAM ADRS &

MIRF RAM ADRS £

MIRF RAM ADRS 4

MIRF RAM ADRS 3

MIRF RAM ADRS 2

MIRF RAM ADRS

«Q

?l'zl 13

—

]

+1c

MIRF RAM ADRS 7

]

5|0

7],

MIRA REC INT Bg9 H

V-

74s§g¢

14 fi
|

S ME3

g 1

9 E

n2i3

10 G:

MIRT, MIRU)

WE DI

—

(MIRP,

=10
14 :

)

MIRM NAP OUT &7 H

=1°
14 S
2

MIRF RAM ADRS @

MIRB MAP WE 2

—

g ox|

REVISIONS

owsEno.

[nev.

(MAPPING REGISTER (

SCALE,

(SLOT 2)
11:@6))

MBA INTERNAL

€

NUMBER

REGISTERS (MIRM)|D|CS| M8276 -2 - |
—+—+
12 of 20
ost. T T T T T T I 1T

ARV,

D
J|

}

“THIS DRAWIG AND SPECIFICATIONS,
MEREIN, ARE THE

PERAPMENT CORPORATION AND
REPRAODUCED
OR COPHID OR USED IN YHOLE
THE BASIS FOR THE MANUFACTURE
OR SALE
PERMISSION.

197 7 DIGITAL EQUIPMENT CORPORATION”
—rIETES

"745200

3dme: €27

3dmer E

ME3

NME2

N V)

ME3

=1\

=1t

—

MIRN MAP OUT &% K

9 e

(MIRP , MIRT , MIRU )

T
r

MIRN MAP OUT @2 H

%1€
1

WE DI

?lzlla

MIRA REC INT B35S

?nzl i3

MIRA REC INT Bd2

735300 |

ME!

ME2

E26

+5V

B |

5
]

F
&

MIRN MAP OUT @4

5
7

,
MIRN MAP OUT &1

(MIRP
MIRT , NIRU)

WE DI

2113

MIRA REC INT B®!

ME3
a

MIRN MAP OUT #3 H
MIRP, MIRT MIRU
)

?12] 13

MIRA REC INT B33 W —

{

ME3
G

i% &
] C
2 :

WE_UI

[7%5207

)

S e

15 &
18 fi
2 8
i

3 | 745222
S

—18

?uz 13

= N

R24

0] &

MIRA REC INT B4

+»5V

- H

WE D1

MIRF RAM ADRS &

| ME2

14 :

14 :
]

MIRF RAM ADRS 7

ME3

(MIRP , MIRT , NIRU)
.

El
s

vas

)

i6]°

745200

ME3

(MIRP
, MIRT , MIRU)

O Me276-0-1 - | |

?le 3

MIRA REC INT B@¢ H

MIRF RAM ADRS 5 'L
MIRF RAM ADRS 4

MIRF RAM ADRS 3

MIRF RAM ADRS
2

CHANGE
NO.

MIRF RAM ADRS @

MIRB MAP WE 2

| Rev.

(SLOT

{(MAPPING REGISTER (@5:g@))

jrsmemmny
weg

WANPEASE 71008

MIRF RAM ADRS

SCALE., +—

]

%EG%TF%RNS l(_MIRN) chs M8276 - @ -1
Tsweer
13 oF 20

os.| |

T [

1T |

“THIS DRAWING AND SPECIFICATIONS, MEREW,
AM THE
OF

DIGITAL

SQUIPMENT

—

-9 36280 i) 2|

CORPORATION AND

B8 REPRODUC
OR COPHID OR LSED M
ED
WMOLE

AS THE 8A31S FOR THE MAMUFACTURE
OR SALE

197 7 DAITAL EQUPMENT CORORATION®
743255@

MIRK MAR VAL 1D

H—— D8
H —|197

MIRK MAP QUT

H-—4JD6

EVEN}—

!
MIRK MAP OUT 18 H'—:Ds
MIRL MAP OUT
MIRL

MAP OUT

H—1D3

H—— D2

MAP

OUT

MIRL MAP QUT

3,5,7,9
22

OUT

MIRM MAP OUT

R —— D7
i
H——D6

MIRM MAP OUT @9

H— D5

MIRM MAP OUT &7

H—oID3

MIRM MAP OUT 86

H—D2

MIRM MAE

M IRM MAP OUT 68

MIRN MAP OUT 05 H——Di

E62

]

£T

{06

EVEN

MIRJ INV MAP PAR H—
D8
7]

—

MIRN MAP OUT @3

H 2 s

MIRN MAP OUT @2

H ——{D4

MIRN MAP OUT @1

H—=1D3

€23

MIRK MAP PARITY

MIRP

MAP

PARITY

H-—=—0i

MIRP MAP PE

Eu2

MIRV T

OoD

]

14504
Ela

4
5

MIRP TRI
(MIR LA

EN(19:16)

5 @_

] 7asi1\ e

E121

74500\~

10| €120

TRI EN (I5:00) L
(
AMIRP
MIRW)

DT2

MSIR INT
BUS OCLK HB>
N

{7251

MIR® C5 Bg9 L — 9 | =37 )

74520\

6 FR2

MIR® CS B H

B30
1]
El

MIRP BLK DIAG (19:67) L

JEI3s

(MSIK)

H Sy

MSIK INT RO REQ H B
MIRP SET CMD READY

= v

0
| 74512
1]
Ei36

MSIK SEND TR H e|

74528\
|Eny

EK2

MIRP DIAG REG REQ
(MDPD, MDPR)

MIRP SET INV NAP L

(MIRD)

MIRP SET MAP PE L

MTR0S

4 174511
Eid7

MIRB CS B@2 H

——

MIRB +3v H—————
3
5

MSIK INT RD REQ W Fm2)10
m——{C
48

I
)
csgs
389

MIRP OUT MUX SEL 2

MIRP OUT MUX SEL |

(MIRR
MIRS { MIRT, MIRU)
,

|Eian

¢S

[CS BITS | MUX SEL

|REQH | BBSL | 2
X

@ | 2

@ |

HLL|HLL

EN(31:20)

"i"

|~ El48

REGNAME

| DIAGNOSTIC

LHL

LLH]|

LLLJ[LLL

[CoNFIG

[status %

X=DON'T CARE CONDITION

[

SR27

|STATUS

LLH

| CONTROL

| LHL

MIRH, MIRP,

MIRU)

2689

IMIRR, MIRS, MIRT, MIRU)

MIRR,

13
'

MIRB CS

74$'D>;,L

H——2]EI36

743

MIRP OUT MUX SEL @ H

qE132

HH|VIRT ADRS

LHL

MIR® CS BP9

(MIRB
, MIRC, MIRE,

@ATF

|BYTE CNTR

‘

[ L

Fos

MIRP +3V H

| CMD/ADRS

339

X X X | HHL | MAP
L

13 |74520,

SR26

TRUTH TABLE - INTERNAL BUS QUTPUT MUX

REQ L

MIRP TRI

(MIRW)

74511\ 3

E 121}

FK?2

»—

N
ggz‘o

13 _Jei2g

MIRB CS BgI

[EXT RD|INT RD!

+SV

CMD

(FM2)

MIRK MAP VALID L

REQL | REQL

MDPA CMD CONDITION Hm>

MSIK CMD REQ L Bet

MSIK CMD REQ

fT
|s
EVEN—

4
H—f7
N

rZJ?S?

H-———
o

H —f

WIRE CS 882

MIRJ DIAG BLOCK CMD

-é?fsu

MIRE MB MAINT MODE

Ei21

{

¢ £

L3, T2

MIRB CS B! H

MIRN MAP OUT 08 H—HD2 ¢3
oDD

MIRN MAP OUT ¢4 H— D@

MIRK MAP VALID

MSIK EXT RD

H —2dpa
T
10

FM2
H B

SA5385

745250

INT RD REQ

éo%

H®»

MSIK

HTDB

MSIK SEND TR

H—2pp

ODD

MIRL MAP OUT 14 H— DI
MIRL

EVEN |

0,2,4,6,8

H—— D4

MIRL MAP QUT

INPUTS HIGH |

(MIRR,

MIRS,

MIRT,
;

MIRU)

;

1
-

¥<ONLY UPPER 16 BITS ENABLED, LOWER 16 BITS FROM MASS BUS
CONTROL PATH

REVISIONS

Swing
8

(SLOT 2)

ey
|

(MAP PAR CHECK, OUTPUT MUX SEL AND ENAB)
e

MBA INTERNAL

REGISTERS

SCALE F—7r-

Jsveer

NUMBE

(MIRP)|D|CS| M8276 -8 -1

14 of 20

ost.]

TTTTT1

REV,

|D
|

[BES] MB8276 - g1 101 T

MIRK MAP QUT 20

MIRP +3V H

745289
NUMBER OF

]

‘

| (ST @ 7377
Exg) 2 |

HIREIN, ARE TTME
“THIS DRAWINE AND SPICFICATIONS,
PROPERTY OF DIGITAL IQUWPMENT CORFORATION AND
SHALL NOT 8§ MPRODUCED OR COPNID OR USED IN WHOLE
OR IN PART AS THI AN FOR THE MAMUFACTURE OR SALE

578

5197

MIRK MAP VALID

2106

MIRJ INV MBDATA PAR H

=105

H—

MIRH BYTE CNT 31 H
MIRB DT BUSY

MIRK MAP OUT 20

ElO2
MUX

3102

EAI

(MIRW)

INT B31

|
2

L
EM2

2 81 S8
10

D4 7415151

|pa

MUX

¢ D— MIRR

MBA

(MIRW)

INT B27

{11

E93

3 oI
MSTH MULTI XMIT FLT H o

5105

MIRH BYTE CNT 27 H

5107
—1{06

s D— MIRR MBA

MIRJ SINMULATE SCLK H

04 74LS 151

MSIH PARITY FLT H e

—

315

MIRP +3V

52 _Si_S@
3

10 {11

74LS 151

SEL | SEL | SEL

H
-

——

| &

| O3

_—

lEnaB | &1 | 40

MIRH

D3 | B3

|oDoa|

s | 5

BYTE CNT

3¢

MIRC N/R CNF H

MIRK

23
it
=108

MIRJ INV MBCPO PAR H

104

T4Ls131

713

3122

MSIH WRITE SEQ FLT HB»

oe | D

5197

MIRJ SIMULATE EBL

73
e
=108

MIRH BYTE CNT 26

7415151

os 532

(MIRW)

S2 st

> {oi

EP2

MSIH XMITTED FLT H B

—
H

OUT

@ p— MIRR MBA INT B39 L

MAP

STB

578

5197

—

mo——bmaa MBA INT B26 L
(MIRW)

52 S1_$¢
ls

|11

o7 | &7

—

mng?T READ

Ep {

H B»-

578

ST8

5107

1a] 2

MIKJ INV MAP PAR H

a L3

=105

MIRH BYTE CNT 29

104

MIRC CORRECTED RD

2
PR

EB2

EIP3
NUX

=
=

MIRH BYTE CNT 25
6
D— MIRR MBA

(MIRwW)

INT B29

—

5107

MIRJ SIMULATE OCC H

74L5151

4 0"}

MSTH UNEXP RD FLT H B>
B

MIRK MAP OUT

=105

112

E92
MUX

6
9 D— MIRR MBA

(MIRW)

4 oF
s2

]

fl—
J4LSIS|

INT B2S

!
RS

I!co
~
N

SI_S®

@©

[

=2
-

o7
578
12

]

=197

]

MIRJ

CMD

MIRH BYTE CNT 28

DIAG

BLOCK

o >

=108

74L515]

EIBS
MUX

3102
ol

L
-

MIRJ

SIMULATE

5197

——x1

104

L1l

lhy

9 D— MIRR MBA INT B28 L
(MLRW)

10 [

ATTN

MIRH BYTE CNT 24

S2_S1_

MIRP OUT MUX SEL 2 H

MIRL MAP OUT 17 H

ia] >
—

&7
578
o

741515

ElBa

MUX

D2
o

§3 0— MIRR MBA INT B24 L
(MIRW)

og
S2

SI_5@

10 |1t

A
MIRP

OUT

MUX

SEL

MIRP OUT MUX SEL @ H

cance N
'
ok|

}nv.

(INTERNAL

TME
==
N

[

(SLOT 2)
QUTPUT

VMBA INTERNAL
REGISTERS

SCALE —+—+

BUS

[

[sHeer

MUX (31:24))

—

(3750 s)

(MIRR)|D|CS|

sst.{

AEV.

M8276 -0 -1 | D
[

[

“THIS DRAWING AMD SPECIPICATIONS,
MERENY, AN THE

PROPIRYY OF DWGITAL IQUISMENTY CORPORATION AND
SMALL NOT 3¢ ABPWODUCED OR COPMD OR USID IN WHOLE
DR 9 PART AS THE BASS FOR THE MAMUFACTURE OR SALE

P TEMG

WIRITTEN PRRMISHION.

)

MIRL MAP OUT 16 H
MIRJ DIAG MDIB SEL W

MIRH BYTE CNT 23 H

A']

LY )

'I: o

MIRL MAP OUT 12 H

108

MIRK MAP OUT

=05

H—

D4 7418181
.
| D3
ES53
2
MUX
6
D2
P D— MIRS MBA INT B23 L
3 o
(MIRW)
r}

MIRV MBA PWR DN M

MIRH BYTE CNT 19 H

D4 14LS15)
DA Ed
MUX
6
D2
9 D— MIRS MBA INT BI9 L

MIRC PGE H

H—

S
4

(MIRW)

10 [

=106

105

[0 |

—

47
T8
MIRL MAP OUT 18 H
MIRJ MAINT
MIRH

B22

BYTE CNT 22

': 07
14

5
§l %_

=10%
—{04

MIRV MBA PWR WP H

f@D— MIRS MBA

(MIRW)

INT B22

CNT

18 H

MIRC NED

MIRL MAP QUT
MIRJ MAINT
MIRH

B2i

BYTE CNT 21

;

3
4

INT BI!S

g
82

S1_s@

o |1

MIRM MAP OUT 16 H

:: B

MIRL MAP QUT 17 H

—
<

]

5 0s
741818

NUX

MIRH

BYTE CNT

MIRC MB CNTRL PE W

—

SI_S@

MUX

]

FOP— MIRS MBA INT B17 L
(NIRW)

xQ
)
flw

o [n

E9t

3 Y

oo
$2

O4 74LS151¢

P D— MIRS MBA INT B21
(MIRW)

MIRS MBA

(NIRW)

C312)

317

D—

14 H

MUX

10 [

[»

£ =

104 74LS 151

5105

MIRH BYTE

ES4

MUX

; 07

MIRK MAP OUT 18 n

74Ls15

MIRM MAP OUT 11 H

SIS

10 [

x|
(a

MIRL MAP OUT

12
5107

MIRK MAP QUT

HCJ

12 D6

MCPH REC MB FAIL H B

5105

MIRH BYTE CNT 20

713

£31-)

fl—
741515}
E&7
Mox

jlox]
4

MIRL MAP OUT

MIRH BYTE CNT

MIRF

H
‘
H

578

VAR

BIT

;

2193

MIRC STATUS ATTN W

[o]n

D— MIRS MBA INT Bi6 L

#—
74L%1%
ESS
Nox

(MIRW)

o
52 8

lo|n

REVISIONS

owctwa

!
==

MIRP OUT MUX SEL @

(MIRW)

12
=107

o
52

MIRP OUT MUX SEL 2

=103

D— MIRS MBA INT B2¢ L

2 o

MIRM MAP OUT 89

(INTERNAL BUS QUTPUT

!
8

MBA INTERNAL

))

REGISTERS (MIRs)|D[cS|

SCALE

[

(SLOT 2)
MUX (23:16

[sweEr

oot

—

M8276- @ -1
|

[

“THIS DRAWING AND SPECFICATIONE,
HEREIN, AR TME

PMROPERTY OF DWNTAL SQUIPMENT CORPORATION AND
WNCLE
SMALL NOT BE ASPRODUCED OR COPMD OR USED
OR I PART AS THE BASIS FOR THE MANUFACTURE OR SALR

oF Mot

WRITTIN PRRAISSHION,

MIRM MAP QUT 98 H
MIRL MAP OUT

A’

5Y8

378

5197

]

MIRN MAP OUT

@#4 H

MIRM MAP OUT

5197

=1 06

MIRH BYTE CNT IS H

5104
05 741818P

MIRH BYTE CNT 1t H

1%{04
05 74L315)e

NIRF VAR BIT

503

MIRF VAR BIT

5103

IS H

sgi

D— MIRT MBA INT BI15 L
(MIRW)

ra ke

1 H

MIRC MB DATA LATE H'

PP MIRT MBA INT B 11 L
{(MIRW)

S2 S

10 {11

2 SISO

|woln

avmape

)

;

MIRM MAP OUT @7 H

MIRL MAP OUT i4 H
MIRH

BYTE CNT

14 TM

MIRF VAR BIT 14 H

34 :)

3107

MIRM MAP OUT

fl—

;-]
od
104 T4LS1S:
5103

3o
4

5107

:
MIRH BYTE CNT 10 H

f@p— MIRT MBA INT B4 L
(MIRW)

MIRF VAR BIT 10 H

S
[0

2103

MIRC WCK UPPER MIS H

Dp
St

IS104
o 74LS151

-3

MIRN MAP OUT @3 H

(NIRW)

52 S

MIRL MAP QUT

=108

MIRH BYTE

CNT

MIRF VAR

—{

BIT 13 H

5103

MIRC DT COMPLETE M

0®
3o
4

s
£l

b—

533

MIRN MAP OUT 92 H

g D7,

MIRM MAP

2] 08

OUT @9 H

7aLs13)

MIRH

f2D— MIRT MBA INTB13 L
(MIRW)

BYTE

CNT @9

=05

{04

14LSIS)

MIRF VAR BIT 29

>103

’E‘a';

MIRC WCK LOWER MIS H
,

0
3o
4

2 St
lg

|1t

372

3197
=105

S@
lio

l‘r

cL"

MIRM MAP OUT 66 H

578
—

#D— MIRT MBA INT Bi® L

10 ln

]

}—

.
D— MIRT MBA INT B9S L
(MIRW)

Y
A
i
O

52 si_se

\_[3

10 Jit

7))

(a]

J,?

MIRN MAP OUT 85 H

—_

:34:}

<107

MIRL MAP OUT

7y D6

MIRH BYTE CNT

512
N
104 74L 5151

MIRF VAR BIT 12 H

7103

MIRC DT ABORTED H

3
4

5‘.‘&

MIRP OUT MUX SEL 2

MIRP

OUT MUX

SEL

5107

MIRM MAP OUT 68

e 06

T0%
b 74LS1%e

MIRH BYTE CNT

¢8

MIRE VAR BIT ¢8 H

—{os

MIRD MISSED XFER H

(MIRW)

3
4

578

MIRN MAP OUT @1

fDD— MIRT MBA INT B12 L

ot
og
2

SIS

10 {1

B
L

sanx

.
f30— MIRT MBA INT B®S L

(NIRW)

LY
>
S2 &

lio i .
A

MIRP OUT MUX SEL © H

jlox]
¢

REVISIONS

owacrna
:

(INTERNAL BUS QUTPUT MUX(15:88))

MBA INTERNAL
REGISTERS

SCALE +—F

joeer

NABER

(MIRT)|D|CS]

17 08 20

(SLOT

osr.!

M8276 -@ -1
T

7¢

2)
AEV.
o

|U'-

}

“THIS CRAWINE AND IFICIICATIONE.
MIRMENN, AM T
PPIRTY OF DMNTAL BOUPMENT CORMORATION AND
INALL NOT 38 RMIPRODUCED OR COPNED OR USED M WALE

OR IN PART AS THE BASIS FOR THE MANUEACTURE OR SALE

oF fTews

WIMTTSN PIRAMISRON,

l-,

COPYRIST )| §7 7 PUITAL IQUIPMENT CORFORATIONTM

A‘]

343

MIRN MAP OUT #2 H
MIRM MAP OUT

‘: o7

MIRF VAR BIT 25 H

3104
bt 7aLs 181e

MIRH BYTE

CNT ©7

MIRF VAR

BIT 07 W

NIRD MB EXC

[-34-)

;

5103

533

MIRF

#P— MIRU MBA

o
op

31°7

106

(MIRW)

INT B@7 L

74L8 151

{03

CNF
H

532

3102

MIRE M8 MAINT MODE H

2 5 %
|9 [« N

VAR BIT O3 W

MIRD ERROR

)

=13

MIRH BYTE CNT @3 H

MIRN MAP OUT

wo—umgwusa.

o
Do

(MIRW)

;

MIRF

CNT

©¢

VAR BIT P&

MIRD MB DATA

MIRF VAR BIT @4 H
74LS1 5

E4S

@ D— MIRU MBA INT Bf6

(MIRW)

7104

74LS 1)

MIRF

5103

FoS

MIRD RD SUBSTITUTE

3102

VAR BIT

MLRE INTERRUPT ENAB H

fi |>

15 oS

MIRH BYTE CNT

—o

(NIRW)

fio

3
MIRN MAP OUT ¢S H

MIRD MAP

PAR ERR

;

D4 74L81
5,

533

|1t

2 O—

(MIRW)

:: o7

MIRN MAP OUT @1

D4 JaLsin

TIMEOUT

MIRF

MIRU MBA

INT 8¢S

MIRS VAR SIT 23 4

MIRH BYTE CNT @1
6

MIRP +3V H

S18

5107

BIT

MIRF VAR BIT 07 H

VAR

6
O D— MIRU MBA

o ]
9

MIRE

3197

fl —

104

MIRH BYTE CNT £5 W

INT B2

': o7

T3 o5

31
:)

14
MIRH BYTE

INT B3

52 SI_S@
9 |10 {1}

31)

MIRF VAR BIT @8 H

‘

VAR

MIRD IS

BIT

MIRE PGM DT ABORT H

|
o

fFOP— MIRU MBA

(MIRW)

o [t

53;

Ho
=

;

INT BQ1

I!L'D
~

10 [1

Joem—

31}
MIRF

VAR

12
5107

64 H

2106

BIT 06

MIRN MAP OUT

3 bt

MIRF VAR BIT 94 H

{03

MIRH BYTE CNT 94

MIRD INVALID MAP H

C3
)
12
=197
5

MIRN MAP OUT @9

741515

53?‘

106

T3 bt

MIRF VAR BIT @@ H

>103

MIRH BYTE CNT

fOD— MIRU MBA INT B4 L

;

MIRD RD TIMEOUT H

(MIRW)

ra ks

MIRP OUT MUX SEL 2

MIRP OUT MUX SEL

74LS1SI

53‘;(

D— MIRU MBA INT Bg@ L

(MIRW)

B
5

Lol

MIRP OUT MUX SEL @ W

ox|

NVISIONG

owano.

'
=

(SLOT

[wev.

(INTERNAL BUS QUTPUT

!
8

MBA INTERNAL
REGISTERS

KCALE

[seer

MUX (07:00))

Pod

(MIRU)|DICS|

18 of 20

osr. |

M8276 -3 -1 |
|

]

DRAWING AND SPECIFICATIONS, HEREIN, ARE THE
IS
PROPERTY OF DIGITAL BEQUIPMENT CORPORA

| [ST-7-3zzswEq) 2|

AC,DC LO S\GNALS
~-9Vz POWER OK

OR SALE
S I AT A6 THE BASS FOR THE MANUEACTURE
Al 1 S7 7 DIGITAL EQUIPMENT CORPORATIONTM

GND* POWER NOT OK

+3V

D
MBA TR SELC

+5V PS AC LO H

MBA TR SELB

MBA TR SELA

FU2

MIRV MBAACLO L

el
-

) R3Q

545302

B TRI3 1

BUS SBI TRII

L B=———QB
TRII

BUS SBI TRPS L -

TRE2

BUS SBI TR@6 LB=———qB TRE6
BUS SBI TR®S L
=8 TRAS
C

BUS SBI TRE4 L I8 TROM
aus sB1

TRO3

LBt
.

BUS SBI TRG!

1 P

aLsH
3| EWS LS

MIRV T2A W

of¢

—

Q74532),
94 ®133

¢36_

134

ARB OK D———— MIRV

R32
SBI

ARB

Fo1

ar 2

MIRV

MIRV T®

MSIR INT DIF Ti

MIRV Tl H
(MIRB)

MSIR INT DIF TI

1AV

FAIL

l-r

MIRV T2A H

—q/F!33

MIRV MBA PWR UP H

(MIRs)

(MIRC,MIRE)

|18.25

(Ml}?F\{BT%ABIRP\‘/)

—

MIRV MBA PWR UP L

-0

(MCPH)

bEC

R35

5433 o

£433

oeC

Ro4

5433

PamNeu

MIRE MB MAINT MODE H

DEC 3646

\‘>—
=

MIRE PGM INIT L

BUS SBI DEAD

BE!

MSIC UNJAM L —d|

MIRV MBA DC LO

3
Z

qusd\

(MIRC)

(MIR®, MIRP, MIRV)

DIF

+5V
ONI

DEC

-5V PS DC LO H®—MA—
FV?2

MSIR INT DIF T@

)

MSIR INT DIF T9

ik oPa

MIRB CLR PWR UP L ; '. 3

ERI

|eis3

MIRC PWRF + PGM INIT L

HFRl

»
MSTR
INT DIFDIF T2 HE—
SR INT
ER2

741528\ ©

SIK

R33

MSIL SEND TR HOLD H

| 745760—‘_
"‘,:C Eidl | ;s — MIRY
MBA PWR DN L

MIRV T® H

M1IRV SEND TR

4, I%—va MBA PWR DN H

MIRC PWRF + PGM INIT L 13 —Q

MIRV'ARS OK L (Ms1L)

SEND SEND

RCLK TCLK TR HOLD

T 13

|16

(lz

Tausge) 8
MIRB CLR PWR DN L

+SVPSDCLOH AN~

BUS SBI TROG L »— B TRRG

MIRV T2A H———[

v
Ra)

QB TRO2

€133

MIRB +3V

| Be

Le=—q8 TR

b 158
US4

MIRV T2A R—2d 7asao\u

—oc| re3

BUS SBI TRG2 L gr——

(Y s

MSIK SENDTR W B——215

DCIg!
FEl44

5
1Ko

BUS SBI TRES L B~
-JB TRE8
BUS SBI TRG7 L g———>-(8 TR¢7

MIRP *3V H

cEd

BUS SBI TRI2 L Bn—20BTRIZ yy11TRD——
8 MIRV XMIT TR L

BUS SBI TRI® L TR B TRI®

. i .

MIRV MBA DC LO L

MIRV T9 L

BUS SBI TRI4 LB—
B TRI4

BUS SB81 TR13 L -

ELl

DEC

MIRB +3V H

FLZ
1K
|
"5V PS ACLO “’—’W‘——o@—l_

BUS SBI TRIS Lpr———BTRIS

—_—

——

DAI

L »—

hal v

5640

3 JE1e
5

€

e
-

MIRY MASTER INl
(MIRE)

147

—

1
E(fi

MCPB MCPK, MDPD)'
MIRC , MSTIL

Ef
j

IF SEND TR IS HIGH WHEN
LK GOGOES ZCI'W
TCLK
POSITIVE (#),) THEN XMIT TR GOES LOW |
ELSE XMIT TR IS HIGH IMPEDANCE

ON THE BACK PANEL , XMIT TR IS JUMPERED TO BUS SBI TRXX WHERE

XX IS | LARGER THAN THE TR LEVEL ENCODED IN TR SEL CO-AJ

—

IF THERE ARE NO TR LINES OF HIGHER PRIORITY (LOWER NUMBERS) THAN
THE TR LEVEL SELECTED BY TR SEL CD-AJ, THEN ARS OK WILL GO LOW ON

—

THE LEADING EDGE OF RCLK
2

MSIR INTDIF T3

MSIR INT DIF T3

EL2

L b

MIRY T2A.

(MIRB, MIRC, MIRV)

NOTE:
NOT USED ON BOARD
ETCH TO FEEDTHRU
AT FINGER PIN

MSIK SEND TR

"‘“‘"":a

CrAnGe

Y TRG® L WILL BE ASSERTED
SEND

HOLD

HIGH

WHEN

TCLK GOES

POSITIVE

’

ow)

MSIK SEND TR W

WARRPSASE 1008

EL1

HP—————

1125

MIRY SEND TRW

(SBI_ ARB. POWER FAIL. MIR CLOCKS)

MBA INTERNAL

REGISTERS

wE 7

(MIRV)|D|CS]

Jwer isorzo

(SLOT

NUMBER

REV.

-@ -1 | D
M8276

fow] T T T T T T 1T

MIRS MBA

INT B23

L——O':Ezsszzw

(CE2)

BUS MBA

]

INT 823

]

| [JTT-7928n £Jq] 2|

MIRU MBA

INT

MBA INT 327

MEBA

INT BQ6

TNT RAS

S MBA

INT BZ<

S MBA

INT B93

MIRU MBA INT BO2 L ——745246>———#» BUS MBA INT B2

MIRR MBA

INT B3|

L ——q|745240
6D

(Cv2)

BUS MBA INT B33!

MIRT MBA

MIRS MBA

MIRR MBA INT B3¢

L —

(Cs1)

BUS MBA INT B3@

INT B22

INT B29

BUS MBA

INT 829

MIRT MBA

INT B28

BUS MBA

INT B28

INT B2¢

MIRT MBA

MIRS MBA

12 (CK2)

BUS MBA INT B27

INT B19

L—-CE

L ——Q

14 (CRI)

BUS MBA

INT

B26

INT BIS

14 BP N BUS MBA INT BI18 H

INTBI7

L —

INT BI2

BUS MBA INT B13

(th BUS MBA INT BI2

}

L ——O

8
——0

~
MIRT MBA

INT B17Y

BUS MBA INT B14

BUS MBA INT Bl]

INT RS

MIRU M3A

INT BP4

MIRU MBA

INT B2

6 \ 14 (AD2)

14 (AR
1)

L ——O

BUS MBA

INT BI@

o [ '

MIRU MBA INT B8@1

MIRT MBA INT B@9 L —

16 (CL1)

INT B8ip

WTRU YBA

MIRS MBA

MIRR MBA INT B25

INT B13

MIRT MBA INT Bl

INT 826

BUS MBA

MIRS MBA INT BI8 L ——0 745249
MIRR MBA

12 (BV2)

L 4O

MIRP TRI EN(31:290)

MIRR MBA INT B27 L ——Q 7

INT 828

MIRS MBA

MIRR MBA

INT B2

BUS MBA INT BIS

MIRU MBA INT 806

MIRT MBA INT BI4

INT B2}

(BK?2)

L —

MIRS MBA

MIRR MBA

INT 822

INT 815

L ——]745248

16 (AR2)

INT

—

16 (AB2) BUS MBA INT BB

I;P
:‘I\J)

MIRS MBA

MIRR MBA

INT Bié6

BUS MBA

INT Bl
6

MIRU MBA

INT B24

MIRT MBA INT B@8

L —

INT

INT 302

INT BOQ

7o)
A

MIRP TRI EN (31:2¢) -

MIRP TRI EN (19:16)

MIRP TRI EN (15:¢0) L

WAHAFCARE P-1840

REVISIONS

CHANGE
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5012678-00

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OF A
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DU
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INITIAL

NAND

1912089-00

l-——1

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1912825-00

HISTORY

74520

REUISIUN

2INsFO

GATE-TRIPLE

YRS

191053900

NAND

1912808-00
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GATE-QUAD

11I

AND GATE-QUAD 2INsFO
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LS10
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2IN

741.804

19212807-00
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C209sC213

C49-C55

2
2

cc
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CS8-C69sC70-C75sC78-C83yC120y

CONT

C1-C10sC13sC145C17yC18,C20~-C48»
CONT

VARIATION

Beee

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COFYRIGHT (C) 1981, DIGITAL EQUIFMENT CORFORATION
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AUTOMATED

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FoA

LIST
QTY

LINE

ITEM

30
31

32
33
34

DOCUMENT

FART

NUMEBER

748112
74651

1911675-00

748138
.5139

1912843-00
1910546-00

REFERENCE

FF-JK DUALYELGE TRIG
AND-0OR GATE~INVERT D
DECODRER/DEMUX 3-8 LIN
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L8151

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E130

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9
CONT

191054900

745158

37
38

1910957-00
1912853-00

748175
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40
41

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40
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i7913462-00

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1911573-00

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1910268-00

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;

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