89758600A_AT310 A_TTL_A_Q DSA_Bus_Expander_CE_Jul76 89758600A AT310 A TTL Q DSA Bus Expander CE Jul76

89758600

CONTR..OL

DATA

CORPORATION

CONTROL

DATA®

TTL

A/Q-DSA

BUS

EXPANDER

AT310-A

GENERAL

DESCRIPTION

OPERATION

AND

PROGRAMMING

INSTAllATION

AND

CHECKOUT

THEORY

OF

OPERATION

DIAGRAMS

MAINTENANCE

PARTS

DATA

WIRE

LISTS

MAINTENANCE

AIDS

HARDWARE

REFERENCE/

CUSTOMER

ENGINEERING

MANUAL

REVISION

RECORD

REVISION

DESCRIPTION

01

Released

to

Class

B,

15

November

1974

ECO

CKI026

A Released

to

Class A

bv

ECO

CK1535.

dated 1

July

1976

Publication

No,

89758600

©

1974.

1975.

1976

by

Control

Data

Corporation

Printed

in

the

United

States

of

America

ii

Address

comments

concerning

this

manual

to:

Control

Data

Corporation

Small

Computer

Development

Division

4455

Eastgate

Mall

La

Jolla,

California

92037

or

use

Comment

Sheet

in

the

back

of

this

manual.

MANUAL

TO EQUIPMENT

LEVEL

CORREI.ATIOf"

SHEET

--

SNUT_

I

0'-1.

EQUiPMENTS

--~----

~At\IlIAl

FfeK~R

ECO

.

SERIES

SIN

LOGIC

DIA(

REV

ECO

CK762

02

51

01

ECO

CK941

03

101

03

1047

03

1072

04

1274

04

333-336

339,345, :

346

A

1535

A

.

--

iii

89758600

A

TABLE

OF

CONTENTS

SECTION

Page

1

GENERAL

DESCRIPTION

Introduction

1-1

2

OPERATION

AND

PROGRAMMING

3

INSTALLATION

AND

CHECKOUT

Installation

3-1

Unpacking

3-1

Physical Limitations

3-1

Power

Requirements

3-1

Cabling

and

Connectors

3-1

Cooling

Requirements

3-2

Environmental

Considerations 3-2

Preparation

and

Installation 3-2

Checkout

3-3

4

THEORY

OF

OPERATION

Introduction

4-1

General

4-2

Circuit

Types

4-3

Propagation

Delay

4-6

Fan-In

and

Fan-Out

4-6

Basic

PWA

Differences 4-6

Interrupt

and

Scanner

Connections

4-8

Interrupt

Connections

4-8

DSA

Scanner

Connections

4-8

Signal

Routing

4-10

A/Q

Expansion

4-10

DSA

Expansion

4-10

5

LOGIC

DIAGRAMS

Key

to

Logic

Symbols

5-1

Signal

Flow

5-2

Logic

Diagram

5-4

6

MAINTENANCE

Scope

6-1

Tools

and

Equipment

6-1

Publications

6-1

Maintenance

6-1

7

MAINTENANCE

AIDS

8

PARTS

DATA

Parts

Data

8-1

9

WIRE

LIST

Wire

Li

st

9-1

89758600

A v

(

TABLES

TABLE

Page

1-1

SPECIFICATIONS

1-3

3-1

INTERRUPT

POSITIONS

3-7

9-1

EXTERNAL

CABLE

WIRE

LIST

9-2

PWB

LIST

9-10

FIGURES

Figure

Page

1-1

BASIC

A/Q

-

DSA

EXPANSION

CONFIGURATION

1-1

3-1

LOCATIONS

OF

PWA's

IN

ENCLOSURE

3-5

3-2

LOCATIONS

FOR

JUMPER

PLUG

PLACEMENT

3-6

4-1

EXPANSION

THROUGH

TWO

ENCLOSURES

4-2

LINE

DRIVER

CIRCUITS

4-4

4-3

SCANNER

CONNECTIONS

4-9

vi

89758600

. A

INTRODUCTION

SECTION

1

GENERAL

DESCRIPTION

The

CONTROL

DATA(8)

AT310-A

TTL

A/Q-DSA

Bus

Expander

consists of

two

basic

50-Pak

TTL

type

IC

logic

assemblies

and

a

flat

cable,

used

in

either

the

A/Q

or

DSA

bus

to

expand

the

capabilities

of

the

CPU.

The

AT310-A

may

be

used

with the standard

BT148-A

Expansion

Enclosure

or in a special purpose enclosure

and

the

AB107/AB108

cpu.

Up

to

two

expansion enclosures

may

be

connected to the

com-

puter,

each

with a

set

of expanders.

When

expansion of

both

the

A/Q

and

DSA

buses

is

required,

two

sets

of

~xpanders

must

be

used.

Figure

1-1

shows

the expansion of

both

the

A/Q

and

DSA

buses,

using

two

sets of expanders.

The

flat

cable supplied,

is

connected to

P2

in

each

enclosure.

A/Q

SLOT

A/Q

SLOT

EXPANOER

EXPANDER

PWA

"M"

"R"

tONFlGURATION

P2

P}-

CQN

FI

GURA

TI

0'

II

ABl07/ABl08

EXPA.

..

SION

COMPUTER

ENCLOSUR£

DSA

SLOT

FLAT

CABLE

DSA

SLOT

EXPANDER

ASSY

EXPANDER

PWA

"M"

"R"

ONFIGURATION

P2

CONFIGURATI!»

1"1

r

Figure 1-1. Basic

A/Q-DSA

Expansion

Configuration

89758600

'A

1-1

TABLE

1-1.

SPECIFICATIONS

Specifications Explanation

PHYSICAL

CHARACTERISTICS

Dimensions

Width

length

Depth

ENVIRONMENT

Temperature

Shipping

Storage

Operating

Humidity

Shipping

Storage

Operating

POWER

Input

Requirements

Signal level

Low

State (0)

High

State

(l)

Ground

89758600 A

6

13.

h

16 lnc es

12

~

inches

~

inches

-40°F

~o

158°F

(-400e

to

70

C)

14°F

to

122°F

(lOoe

to

50

0e)

40

0b to

120°F

(Soe

to

50

e)

o to

100%

RH

non-condensing

10%

to

90%

RH

non-condensing

10%

to

90%

RH

non-condensing

5 Volts

dc

0.4 Volts dc, or less

2.4 Volts dc, or

more

Logic

ground

is

connected

to

computer

logic

ground

1-3

OPERATION

AND

PROGRAMMING

89758600

IA,

SECTION

2

OPERATION

AND

PROGRAMMING

Programming

of the

AT310-A

TTL

A/Q-DSA

Bus

Expander

is

not

required. Refer to the

1784

Computer

Reference

Manual

or to

the

AB107/AB1OB

Computer

Customer

Engineering

Manual

and

the

reference or customer engineering

manuals

of

the controllers

to

be

used

with the system,for

programming.

Refer to Section 3 for

installation,

checkout

and

operation

of the

bus

expander.

2-1

,(

\

(

"

\

(

INSTALLATION

Unpacking

SECTION

3

INSTALLATION

AND

CHECKOUT

1. Carefully

remove

wrapping

from

the

AT310-A

TTL

A/Q-DSA

Bus

Expander

PWA's.

Check

for physical

damage

to

each

and

record

damage

on

the packing

list.

Cneck

that

part.

numbers

agree with

packing

list.

2.

Remove

wrapping

from

cable

and

check

for physical

damage.

Record

damage

on

packing

list.

Check

that

part

number

agrees with

packing

list.

Physical Limitations

Care

must

be

taken to prevent

damage

to the

bus

expander

PWA's.

They

must

not

be

f1exed

t bent or

dropped.

Power

Requirements

The

bus

expanders require

+5

vdc

derived

from

the

power

supply of the

AB107/AB108.

Cabling

and

Connectors

An

external interconnecting

flat-cable

is

available for

use

between

the

controller

and

the distribution unit.

The

cable part

number

is

89821800.

It

is

approximately four

feet

long.

89758600

A

3-1

Where

two

sets

of

expander

PWA's

are required,

two

sets of

flat

cables

must

be

installed.

Cooling

Requirements

The

expander

PWA's

are cooled

by

the forced

air

system

of the enclosure.

No

further cooling

is

required. Refer to the

computer

customer

engineering

manual

(89633300)

for further information concerning cooling

capabilities

of

the

computer

and

expansion enclosure.

Environmental

Considerations

The

environmental considerations necessary for operation (or storage) of the

controller cards are

listed

in Table 1-1.

Preparation

and

Installation

To

install

the

TTL

bus

expanders

perform

the following

with

the

computer

power

switched "off":

1.

Remove

the air-flow blocks

from

lower

slide

of card

slots

to

be

used

in

both

the

main

and

remote

enclosures. Refer to Figure

3-1

for selection of

the location for

PW

board.

2.

Inspect both enclosures, card

slots,

PW

board

slides

and

connector pins,

for physical

damage.

3.

Place the internal

select

jumpers

in

the positions

on

each

PWA's

as

descrjbed

below

and

shown

in Figure 3-2:

3-2

89758600

A

For

A/Q

expansion:

/,.-/

..

-

..

-.-::-:-::=::::.-".~

On

the

main

enclosure

PWA

(89821600

O(89876~.9J/

1)

At

Ul, place

jumper

plugs

at

1

and

at~both

marked

M)

2)

Below

U6-U7

(~rked

AQ~),

place

jumper

plug.

3)

Below

U20,

place

jumper

plug

at

6

(marked

AQM).

4)

At

U40,

place

jumper

plugs

at

12,

15

and

16

(marked

M,

M

and

AQM

res pecti

ve

ly) .

On

the

remote

enclosure

PWA

(89759200

or

~~.QJ

1)

At

Ul,place

jumper

plugs

at

2

and

at

4

(marked

R).

2)

Below

U6-U7

(marked

AQM-DSR)

place

jumper

plug.

3)

Below

U20,

place

jumper

plug

at

5

(marked

AQR).

4)

Below

U34-U35,

place

jumper

plug

at

9

(marked

R),

at

10

(marked

AQR)

and

at

11

(marked

R).

5)

At

U40,

place

jumper

plugs

at

13,

14

and

17

(marked

AQR,

Rand R respectively).

For

DSA

expansion:

On

the

remote

enclosure

PWA

(89759200

or

89880700)

1)

At

Ul,

place

jumper

plugs

at

2

and

at

4 (both

marked

R).

2)

Below

U6-U7

(marked

DSR-AQM),

place

jumper

plug.

3)

Below

U20,

place

jumper

plug

at

7

(marked

DSR).

4)

Below

U34-U35,

place

jumper

plug

at

9

(marked

R)

and

11

(marked

R).

5)

At

U40,

place

jumper

plugs

at

16,

14

and

17

(marked

R,

DSR

and

R respectively).

On

the

main

enclosure

PWA

(89821600

or

89876000)

1)

At

Ul, place

jumper

plugs

at

1

and

at

3 (both

marked

M).

2)

Below

U20.

place

jumper

plug

at

8

(marked

DSM).

3)

Below

U34-U35,

place

jumper

plug

at

9, 10

and

11

(marked

DSM).

4)

At

U40,

place

jumper

plugs

at

12,

13

and

15

(marked

M,

DSM

and

M,

respectively).

89758600

A

3-3

CAUTION

Do

not

install

cables or expanders

PWA's

in

computer

enclosure or

expansion enclosure with

power

on.

4. Interrupt connections are transferred to the

computer

through the Sint

line

driver receivers.

Connect

a wire

jumper

from

the

controller

Interrupt

signal

to

an

available Sint position

on

Pl

of the

A/Q

expansion position in

the

remote

enclosure.

Connect

a wire

jumper

from

chosen

Sint

in

the

computer

A/Q

expansion enclosure to the required Interrupt position

on

the

CPU.·

Refer

to

Table

3-1

for Interrupt positions available for selection.

5. Scanner connection

must

be

made

by

connecting wire

jumpers

from

the scanner

sections

of

required controllers through

MTR

and

RTM

signals.

See

Figure

4-3 of Section 4.

Signal

MTR

is

connected to

P1B19.

Signal

RTM

is

connected to

P1A19.

6.

Install

expander

flat

cable(s)

on

back-plane

at

P2

in the position assigned.

7.

Carefully

install

the

bus

expander

PWA's

( part

no.

89821600

or

89876000

for the

main

enclosure

and

89759200

or

89880700

for the

remote

enclosure)

in

each

enclosure,

making

certain

that

it

slides in smoothly.

CHECKOUT

1. Refer

to

the

CPU

reference

manual,

publication

number

89633400

and

to

the

reference or maintenance

manuals

for the controllers

used

with

this

expander

for

progamming

and

operation of that equipment.

2.

Perform

diagnostics

checks

for

each

of the controllers used with this equip-

ment,

as

described

in

the

Systems

Maintenance

Moni

tor

r1anua1

(SMMl7),

publi-

cation

number

60182000.

3-4

89758600

A

ex>

1.0

......

U'l

ex>

0'1

o

>

W

I

U'l

36

35

EIGHT

MEMORY

MODULES

34

33

32

31

30

CENTRAL CARTRIDGE NRZI

PROCESSING

DISK

MAGNETIC

UNIT

DRIVE

TAPE

CONTROL- TRANSPORT

LER

CONTROLLER

29

28

27

26 25

24

23 22

21

20

19

18

17 16 15

14 13

12

"

Figure 3-1. Locations of

PWA's

in

Enclosure

PHASE

A/Q

DSA

A/Q

ENCOD-

ING

BUS

FOR MAT-

TER

10

9 8 7 6 5 4 3 2 I

W

I

O"l

co

~

'-I

Ul

co

O"l

o

>-

£s

••••••••••••••••••

'

•••••

•

•••••••

1

~3CJNvdX3

sna

1ll

........-

Figure 3-2. Locations

For

Jumper

Plug

Plac~ment

TABLE

3-1.

INTERRUPT

POSITIONS

SIGNAL

NAME

INPUT/OUTPUT

SINT

1

P1A24

snn 2

P1A25

SINT

3

P1A26

SINT

4

P1A27

SINT

5

P1A28

SINT

6

P1A20

SINT7

P1

A31

SINT

8

P1B20

SINT

9

P1B24

SINT

10

P1B25

SINT

11

P1B26

sun

12

P1B27

SINT

13

P1B28

SINT

14

P1830

SINT

15

P1831

89758600

A

3-7

SECTION

4

THEORY

OF

OPERATION

INTRODUCTION

This section presents general

and

detailed functional descriptions

of

the

equipment, using aids

such

as

overall

and

detailed block diagrams.

Descriptions are

keyed

to the detailed logic

diagrams

in the

diagram

section (Section

5)

and

afford"a basis in understanding the detailed

description

of

the specific

circuit

in

that

section.

89758600

A

NOTE

It

is

assumed

that

the reader

is

familiar with

Control

Data

equipment

and

with

the

programming

characteristics

of the

Computer

as described

in the

1784

Computer

System

Reference

Manual,

Publication

Number

89633400.

4-1

GENERAL

The

AT3l0-A

TTL

A/Q-DSA

Bus

Expander

i~

comprized of

two

standard

50-PAK

PWA'3

and

a single interconnecting

flat

cable.

Both

PWA's

use

the

sampe

type of

board, but

have

different

components.

The

main

PWA

is

installed

in the

AB107/AB108

enclosure with

its

jumper

plugs placed as described in Section 3, while the

remote

PWA

(with

jumper

plugs

set)

is

placed in

either

the

BT148-A

expansion

enclosure or another suitable enclosure.

The

function of

each

expander

is

set

by

placing

or

omitting

jumper

plugs

from

the positions

shown

in Figure 3-2.

Access

in

and

out

of

the enclosures

is

made

by

leading the

flat

cable

through the

slots

in the case

on

the backside of the enclosures.

Two

sets

of

bus

expanders

may

be

used

to extend the

capabilities

of

both

the

A/Q

and

DSA

buses.

The

AB107/AB108

will allow the

use

of a

maximum

of

two

expansion

enclosures

employing

both

the

A/Q

and

the

DSA

buses,

as

shown

in Figure 4-1.

ENCLOS

URE

1

4-2

(E)

A/Q

SLOT

---

DSA

SLOT

(E)

A/Q

SLOT

(E)

I

J

AB107/AB108

COMPUTER

(MAIN

ENCLOSURE)

(E)

=

EXPANDER

PWA

I

(E)

I

A/Q

ENCLOS-

SLOT

URE

DSA

I 2

SLOT

J

(E)

Figure 4-1.

Expansion

Through

Two

Enclosures

897f8600

A

CIRCUIT

TYPES

The

circuits

used

in the

TTL

expanders are

bi-directional.

Signals

may

enter

from

PI

and

exit

at

P2

or enter

P2

and

leave

at

Pl.

Four

types of

line

driver

circuits

are used.

Type

1

utilizes

a

146S

inverter in series with a

204

inverting

AND

gate. This

circuit

is

symetrical.

Line

driver

Type

2 uses

an

inverter

(146S)

and

an

inverting

AND

gate

(204)

in the

circuit

from

PI

to

P2,

while the signal

flow

from

P2

to

PI

passes through

an

inverting Schmitt Trigger (167), shaping the

signal

first

and

then through

an

inverting

AND

gate.

Type

3

uses

only inverting

AND

gates

(204

1s) in

each

of the signal paths

and

both paths are symetrical.

Type

4

uses

a

NAND

Buffer with the inputs to

each

AND

gate section paralleled in

the

circuit

from

PI

to

P2,

and

an

inverting

AND

gate

(204)

in the

P2

to

PI

circuit.

These

circuits

are

shown

in Figure 4-2.

89758600

A 4-3

vee

270

Mounted

only

on

PWA

in

remote

enclosure

'vee

270

-

Mounted

only

on

PWA

in

remote

enclosure

4-4

Control Signal

Bus

to

Li

ne

__

---1

1465

~--I-----I

a

20~~

XXX

~--~

vee

330

.....

-_.----(

P2

a

----...&..11..204

I

~--~~146S~~

XXX

1--

__

Control Signal

Line

to

Bus

LINE

DRIVER

-

TYPE

1

Control Signal

Bus

to

Line

a

1

204~~-----

_-

.......

1465

I-l---

.....

--I

XXX

a

---~1-204

SCHMITT

1-------1

TRI

GGER

11----

1 7

xxx~--

Control Signal

Line

to

Bus

LINE

DRIVER

-

TYPE

2

Figure 4-2.

Line

Driver Circuit

Types

560

VCC

330

89758600

A.

Mounted

only in

PWA

in remote enclosure

vee

Mounted

only

on

PWA

in remote enclosure

Control

Si

gnal

Line to

Bus

LINE

DRIVER

-

TYPE

3

Control Signal

Bus

to

Line

8

204

XXX

8

XXX

JE

Control Signal

Line to

Bus

LINE

DRIVER

-

TYPE

4

vee

330

560

-

Figure 4-2. Line Driver Circuit

Types

(continued)

P2

89758600

A.

4-5

4-6

PROPAGATION

DELAY

The

propagation delay,

measured

between

the time the signal

at

the sending side

crosses the

1.5V

level

and

the time the received signal crosses the

1.5V

level,

is

measured

at

Pl.

For

fixed-direction signal flow the propagation delay

is

less

than:

70

nanoseconds

for

Driver/Receiver

TYPE

1

90

nanoseconds for Driver/Receiver

TYPE

2 Refer to

Fi

gure 4-2

60

nanoseconds

for

Driver/Receiver

TYPE

3

50

nanoseconds

for

Driver/Receiver

TYPE

4

FAN-IN

AND

FAN-OUT

The

fan-in

on

PI

in the

main

frame

for

all

signals,

except

MTR

and

RTM

in

DSA

operation,

is

one

TTL

Load.

ForMTR, a

560-ohm

pull-up

resistor

is

used.

For

RTM,

a combination of a

280-ohm

pull-up

and

a

560-ohm

resistor

to

ground

is

used.

In

the remote enclosure

on

PI

signals,

a combination

of

a

270-ohm

pull-up

and

a

560-ohm

resistor

to ground

is

used

on

each

signal except

MTR

and

RTM.

For

,MTR,

a combination of a

280-ohm

pull-up

and

a

560-ohm

resistor

to

ground

is

used.

For

RTM,

only

one

pull-up of

560-ohm

is

used

to allow non-buffered

components

to drive the scanner.

The

fan-out

on

all

PI

signals in the

remote

enclosure

is

16

TTL

Loads.

BASIC

PWA

DIFFERENCES

The

two

PWA's

used

differ

basically

in the omission of

certain

components

and

in the placement

of

jumper

plugs.

The

PWA

used

in the

main

enclosure

mounts

a

lK

resistor

at

R72

and

omits the

following

components:

U6,

Ull,

U12,

U25,

and

U30

Rl-R28,

R57-R7l,

R73-R84,

Rl13-R140,

R169-R196,

R185,

and

R238.

89758600

A

The

PWA

used

in the

remote

enclosure

mounts

a

270-ohm

resistor

at

R72

and

omits

the following

components:

U10, U14, U15, U27, U29,

and

U33

Jumper

plugs

are inserted in specific locations

on

the

PWA's

to prepare

them

for

use

as

A/Q

or

DSA

channel

expanders in the

main

enclosure, or

as

A/Q

or

DSA

channel

expanders in the

remote

enclosure.

To

use

the

PWA's

for

A/Q

or

DSA

expansion,

refer

to Section 3 for placement

of the

jumper

plugs.

89758600

A 4-7

I

INTERRUPT

AND

SCANNER

CONNECTIONS

Interrupt Connection

The

Interrupt signals

from

the

remote

controllers are transferred via the

Sint signal

line

driver receiver.

See

Section 3 for selection of Interrupts.

DSA

Scanner Connection

The

scanner connection is

made

by

placing

jumpers

between

the input/output

scanner signals of the

DSA

scanner

and

the appropriage connections

at

Pl

of the

expander

PWA.

These

connections are

made

on

the back-plane of the enclosure.

Two

signal lines are

used

for the scanner,

MTR,

allowing signal

flow

from

the

main

frame

to the remote,

and

RTM

operating in the reverse direction.

A typical connection

is

shown

schematically in Figure 4-3.

89758600

A

I

PII

P2

0-

SFI

SFO

..

SFI

SFO

r+

RTM

..

~

--

I

FIRST

MIDDLE I

I

0-

SRI

SRO

-

SRI

SRO

MTR

-

I"

--

CONTROLLERS :

EXPANDER

EXPANSION

ENCLOSURE

1

..

-

I :

I I

-

RTM

rL

SFI

SFO

-

SFI

SFO

r+

MTR

..

-I -I -

I I

I

MIDDLE

MIDDLE I

..

I

..

I

..

P2-

MTR

Tpi

SRI

SRO

SRI

SRO

":t-

RTM

-

~I-

PII

P2

EXPANDER:

CONTROLLERS

: EXA\NDER

MAIN

(CPU)

ENCLOSURE

..

-

I

1"'1-

..

MTR

r+

SFI

SFO

..

SFI

SFO

--{)

-I -

I

MIDDLE

LAST

I

-

,RTM

I

SRI

SRO

-

SRI

SRO

--0

P2

--

!PI

-

EXPANDER

:

CONTROLLERS

SFO

-

SCAN

FORWARD

OUT

SFI -

SCAN

FORWARD

IN

SRO

-SCAN

REVERSE

OUT

SRI

-SCAN

REVERSE

IN

89758600 A

EXPANSION

ENCLOSURE

2

MTR-SCAN MAIN

TO

REMOTE

RTM-SCAN REMOTE TO MAIN

Figure 4-3. Scanner Connections

4-9

SIGNAL

ROUTING

The

direction of signal

flow

of

all

signals except data lines

is

determined

by

jumper

plugs

set

on

the

expander

PWA's

according to

PWA

use

(A/Q

main,

A/Q

remote,

DSA

main,

DSA

remote).

The

data signal

flow

direction

is

determined

by

the combination of the

jumper

plug

settings

and

the

state

of

the

Read

signal for

A/Q

expansion, or the Write

Enable

for

DSA

expansion.

Refer to Section 3

and

Figure 3-1 for location of the positions for the

jumper

plugs.

The

following

lists

provide the signal data

flow

direction:

A/Q

expansion

Data

lines:

Normally

flowing

from

main

enclosure to

remote

enclosure.

When

the

Read

signal

is

present the direction

is

reversed.

Signals

from

main

enclosure to

remote

enclosure:

Address

lines,

Timing

Pulse,

Me,

W=O

Reaa,

Write,

Program

Protect

Signals

from

remote

enclosure to

main

enclosure:

Sint

lines,

Char

Input, Reject,

Reply

DSA

expansion

Data

lines:

Write

Enable

active

from

remote

enclosure to

main

enclosure

Write

Enable

not active

from

main

enclosure to

remote

enclosure

Signals

from

main

enclosure to

remote

enclosure:

Protect Fault, Autoload,

MC,

Resume,

Par

Error,

Par

Bit,

Protect Bit,

65K

Memory,

SMTR.

Signals

from

remote

enclosure to

main

enclosure:

4-10

MemorY.Address

lines,

Request,

~P-rl~·0-r-'i7ty-,

Protect,

Write

Enable,

SRTM.

89758600

A

KEY

TO

LOGIC

SYMBOLS

(

SECTION

5

LOGIC

DIAGRAMS

Publication

89723700

(Key

to

Logic Symbols)

or

equivalent,

lists

the

symbols

used in

the

logic

diagrams in

this

manual and

gives

a

short

description

of

the

functions

they

represent.

The

symbols conform

generally

to

Control

Data usage

(Microcircuit

HandboQk,

publication

number 15006100),

using

the

polarity

logic

convention.

The

following

paragraphs

describe

the

signal

flow

conventions

used.

SIGNAL

FLOW

Input

signals

are

drawn coming from

the

left

or

above;

output

signals

are

drawn going

to

the

right

or

down.

The

signal

lines

are

sometimes

interrupted

to

allow

logical

grouping

of

components.

is

used:

89758600 A

At

~ach

such

interruption

one

of

the

following

indicators

On-Sheet

Continuation

Reference

Symbols

These symbols

when

used

with

the

logic

symbols in

the

following

diagrams

indicate

that

a

connection

exists

between

two

points

on a

sheet.

The

arrows

attached

to

each

circle

point

from

signal

origin

to

signal

des

tina

t

ion.

The

letters,

C,

H,

I,

0

and P

are

not

used

inside

the

circles,

since

they

bear

special

significance

on

logic

diagrams.

5-1

(ON

SHEET

2)

---@3.6

2.3

0--

(ON

SHEET

6)

OR

5-2

Off-Sheet

Continuation

Reference

Symbols

These symbols

when

used

with

the

logic

symbols in

the

following

diagrams

indicate

that

a

common

signal

point

exists

between

two

sheets

in

a

series

of

These symbols

point

from

output

to

direction

of

input

as

show~

in

the

illustration.

The

letters

C,

H,

I,

0 and P

are

not

used in

the

hexagons,

since

they

bear

special

significance

on

logic

diagrams.

The

number(s)

each hexagon

indicate

the

sheet(s)

that

the

signal

is

continued

from

or

on.

For

instance,

the

numbers 3.6

refer

to

sheets

3 and

6,

while

2.3

refers

to

sheets

2 and 3.

It

should

be

noted

that

the

referenced

sheet

number(s)

is

always

placed

opposite

the

line

extending

from

the

hexagon.

The

sheet

number where

the

signal

originates

is

underlined.

Test

Points

The

test

point

symbol on

the

logic

diagram

shows

the

connection

of

a

test

point

on

the

printed

wiring

board

(PWB).

The

number

adjacent

to

the

symbol

refers

to

the

test

point

position

on

the

PWB

at

the

edge

opposite

the

connectors.

Only

test

point

one

is

labeled

on

the

edge

of

the

PWB.

89758600.A

NON -CONNECTING

LINES

Connectors

CONNECTING

LINES

Connecting and Non-Connecting Lines

Lines

connected

to

a

common

point

or

at

a

junction

point

are

shown

in

the

upper

part

of

this

illustration.

No

more

than

four

lines

are

connected

to

a

common

point

in

the

diagrams.

Lines

crossing

but

not

connected

are

shown

in

the

lower

part

of

this

illustration.

Connectors

are

represented

on

the

logic

diagram

by

the

symbol

for

a female

connector,

for

both

input

and

output

signals.

The

name

of

the

signal

is

placed

in

the

open end

of

the

connector

symbol (shown

below),

using

the

full

name

of

the

signal

or

the

common

abbreviation

appl

icable

to

logic

diagrams.

The

connector

number,

row

and

number

are

located

above

the

1 ine

extending

from

the

connector

symbol.

READ

>>-P_I_!_~_:------

89758600 A

SIGNAL

NAME

CONNECTOR NUMBER

PIN ROW

PIN NUMBER

5-3

LOGIC

DIAGRAM

89759000

Each

circuit

of the

AT3l0-A

TTL

A/Q-DSA

Bus

Expander

is

bi-directional.

The

flat

cable

is

connected

from

P2

of

one

enclosure to

P2

of the other.

The

presence or lack

of

jumper

plugs determine the direction

and

conditions of

signal flow.

As

stated

in Sections 3

and

4, during

use

in the

main

enclosure

PWA

89821600

will

have

all

jumper

plugs

marked

M

installed.

PWA

89759200,

mounted

in

the

remote

expansion enclosure will

have

all

jumper

plugs

marked

R

set.

When

the

PWA

in the

main

enclosure

is

used

for

A/Q

expansion,

all

jumper

plugs

marked

AQM

will

be

set

and

the

PWA

in the

remote

enclosure will

have

all

AQR

jumper

plugs

set.

For

DSA

operation the

main

enclosure

PWA

will

have

the

DSM

jumper

plugs

set

and

that

installed

in the

remote

enclosure will

have

the

DSR

jumpers

set.

The

jumper

plugs are

used

to

either

enable or

inhibit

the inverting

AND

gates

in one-half of

circuitry

or the

other,

causing the signal flow to occur

from

Pl

to

P2,

or

from

P2

to Pl.

The

gate(s)

shown

in the logic diagrams, herein,

in the upper

part

of

each

circuit

allows the signals to flow

from

Pl

to

P2,

when

enabled.

At

this

time the

AND

gate(s)

shown

in the lower

part

of

each

circuit

will

be

inhibite~.

For

signal

flow

from

P2

to Pl, the

lower

half of

each

circuit

is

enabled

and

the upper

half

inhibited. Control of

all

but the

data

circuitry,

inhibiting or enabling

one

half

or the

other,

is

accomplished

through the

jumper

plugs

set

at

U40.

Flow

of data in

either

direction

is

controlled

by

the

READ/WRITE

circuitry

(sheet 5

and

sheet 2,

lower

half)

The

circuitry

used

herein

is

of the four types described previously in Section 4.

89758600

A 5-4

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u:.

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C-I.

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FIT "SSY.

THREE

SEPARATE

CIRCUITS

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GENERAL

CIRCUIT

AND

TABLE

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REFERENCES

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SIGNAL TRANSMITTED,

UPPER

SIGNAL NAMES IN TA8LES

AND

liN

CIINNECTORS

REFER

TI!

A/Q

SIGNALS

WHEN

PWA

IS

USED

TG

EXPAND

A/Q

L'WER

SIGNAL

NAMES

IN.

TABLES AND

liN

CGNNECTGRS

REFER

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PWA

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MAIN

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SIGNAL

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ALL

RESISTORS

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DETAILED

LOGIC

UNLESS

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TOLERANCES TTL

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CONNECTOIt

P.

P2A28

P2130

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DETAILED

LOGIC

DIAGRAM I I - I

""'v""""

,~

A/Q

DSA

BUS

EXPANDER

I

SCOPE

SECTION

6

MAINTENANCE

This section supplies references

and

procedures for the maintenance of the

equipnent

listed

in Section 1 of

this

manual.

TOOLS

AND

SPECIAL

EQUIPMENT

The

following

is

a

list

of maintenance tools required for

this

equipment:

Pllrt r Part Description Quantity

Number

8968B700

Board

Extender 1

U96J0300

UOllrd

Extractor 1

O~cilloscope

1

Digital

Voltn~ter

1

PUBLICATIONS

The

publications

listed

below

are applicable to maintenance of

this

equipment.

Publication

PUb.

No.

I

1784

Computer

Reference

Manual

89633400

AU107/AU10B

Computer

Custaner Engineering

Manual

89633400

liDO Callputer

System

Codes

Manual

60163S00

System

~1aintendnce

Monitor

(SMMl7)

601U2000

MAINTENANCE

Preventive maintenance of a

PW

assembly

is

not required. After

it

is

deter-

mined

that

a

PW

assembly has

failed,

the

PWA

should

be

replaced

by

an

ident-

ical.

trouble-free

PWA.

For

replacement

of

a

PW

assembly,

refer

to

Section 3

of

this

manual. After replacement, a diagnostic

check

should

be

performed as

des cri

bed

in

SMM17.

89758600

A

CAUTION

Do

not

remove

or replace

PWA's

or cables with system

power

ON.

6-1

SECTION

7

MAINTENANCE

AIDS

(Not

Required)

SECTION

8

PARTS

DATA

This parts

list

is

applicable to the

AT310-A

TTL

A/Q

and

DSA

Bus

Expander.

Nomenclature

Part

Number

Main

PW

Assembly

A02

89821600

A03

89876000

Remote

PW

Assembly

A02

89759200

A03

89880700

External

Cable

89821800

89758600

A

8-1

SECTION

9

WIRE

LIST

The

wire

list

included in this section

is

applicable to the

AT3l0-A

TTL

A/Q

and

DSA

Bus

Expander.

Wire

size, color, origin, destination

and

name

of signal

normally

found

on

that

wire

are included in the

table.

A

list

for

each

of the

PWB's

is

also included

in

this section.

89758600

A 9-1

~

I

N

00

~

.......

c.n

00

0'1

o

>

I

TABLE

9-1.

EXTERNAL

CABLE

WIRE

LIST

OWN. 1?!l6j

U.

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01

REMARKS

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IN

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TABLE

9-2.

PWB

LIST

I

CONNECTOR/PIN

SIGNAL

NAME

CONNECTOR/PIN

SIGNAL

NAME

I

A/Q

DSA

A/Q

DSA

,

\

I

P1Al

AS

DA5

Pl

Bl

AT

DAl

2

A6

DA6

2

A2

DA2

3

A0

DA0

3

Ar

DA7

4

AT2

DA12

4

AS

DA8

5

All

DAll

5

A9

DA9

1

6

A3

DA3

6

A10

DA10

7

A4

DA4

7

Char

input

N/A

i

8

Vee

TER

Vee

TER

8 I

I

9

Timing

Pulse

MC

9

Al3

DAl3

10

Vee

TER

Vee

TER

10

A14

DA14

11

A15

DA15

11

GND

12

Q0

N/A

12

Ql

Priority

13

Q2

Resume

13

Q3

N/A

14

Q4

N/A

14

Q5

Protect I

15

Q6

Request

15

Q7

N/A

16

Q8

N/A

16

Q9

N/A

-,

17

Q10

PE

17

Q11

PE

,

18

Q12

par

Bi

t

18

Q13

Autoload

19

Q14

SRTM

19

Q15

SMTR

20

w=O

Protect Bit

20

Sint 8

N/A

21

Read

65K

21

Write

WE

22

Rep1y

N/A

22

Reject

N/A

23

Prog

Protect

AD8

23

MC

AD0

24

Sint 1

AD9

24

Sint 9

ADl

25

Sint 2

AD10

25

Sint

10

AD2

26

Sint 3

ADll

26

Sint

11

AD3

27

Sint 4

ADI2

27

Sint

12

AD4

:

Sint 5 S i

nt

13

I

28

ADl3

28

AD5

I

29

GND

29

I

i

30

Sint 6

AD14

30

Sint

14

AD6

P1A31

Sint 7

AD15

P1B31

Sint

15

AD7

(Cont.)

9-10

89758600

A

•

TABLE

9-2.

PWB

LIST

(Cont'd)

CONNECTOR/PIN

SIGNAL

NAME

CONNECTOR/PIN

SIGNAL

NAME

I

A/Q

DSA

A/Q

DSA

P2A1

XSint

7

XAD15

P2B1

XSint

15

XAD7

2

XSint

6

XAD14

2

XSint

14

XAD6

i

!

3

GND

3

XSint

13

XAD5

4

XSint

5

XAD13

4

XSint

12

XAD4

I

5

XSint

4

XAD12

5

XSint

11

XAD3

I

6

XSint

3

XAD11

6

XSint

10

XAD2

7

XSint

2

XAD10

7

XSint

9

XAD1

I

8

XSint

1

XAD9

8

XMC

XADflJ

9

XProg

Prot

XAD8

9 i

I

10

XRep1y

N/A

10

XReject

N/A

I

11

XQT4

XRTM

11

XQ15

XMTR

I

12

XRead

X65K

12

XI,Jri

te

XWF

I

i

13

XW=O

XProtect Bit

13

XSint

8

N/A

I

14

XQ12

XParity Bit

14

XQ13

XAutoload

!

I

XQ10

WiT

t

15

XPE

15

XPE

I

i

16

XQ8

N/A

16

XQ9

N/A

I

17

XQ6

I

XRequest

17

XQ7

N/A

I

18

XQ4

I

N/A

18

XQ5

XProtect I

I I

19

XQ2

i

XResume

19

XQ3

N/A

I

20

XQflJ

I

N/A

20

XQ1

XPriori ty I

21

I

21

GND GND

I

22

XA15

XDA15

22

XChar

Input

XDA14

I

23

XTime

Pu1

se

XMC

23

XA13

XDA13

I

,

24

XM

XDM

24

XA14

N/A

25

XA3

XDA3

25

XA10

XDA10

!

26

XA11

XDA11

26

XA9

XDA9

i

I

27

XA12

XDA12

27

XA8

XDA8

I

28

XAflJ

XDA0

28

XA7

XDA7

29

XA6

XDA6

29

XA2

XDA2

I

P2A30

XA5

XDA5

P2B30

XA1

XDA1

I

89758600

A

9-il

r.:ll

~I

c.!)'

S:

<I

~I

01

,

I

1

I

1

I

1

I

COMMENT SHEET

MANUAL

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TTL

A/Q-DSA Bus

Expander

Hardware

Reference/Customer

Engineering

Manual

PUBLICATION

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___

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_______

REVISION

__

A

___________

_

FROM NAME:

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BUSINE~S

ADDRESS:

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COMMENTS:

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form

is

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be

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order

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manual will be welcomed

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Data

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additions

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deletions,

or

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comments

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