Mpu Circuitry

AIS

AI4

AI3

READV

R/W

tua

$2

Uo

AI2

All

AlO

t>p

Al

A8

C3

<)0-kC>l3

i fc>502.A)

Al

Ab

A5

A4

A3

Al

Al»

$1

RESET

D7

Dfe

M>

04

SVNC

MMI

D3

Di

DI

D<t>

NOTE:

DO NOT USE SPLIT PADS ON PCB FOR TROUBLESHOOTING PURPOSES.

I.SMHZ-

L5I4

lo Vi yi9 Ria

17

IS

2

14

4

13

15

12

fa

II

11

10

8

9

NOTE:

DO NOT USE SPLIT PADS ON PCB FOR AB7 TROUBLESHOOTING PURPOSES. IF A 74LS244 IS

INSTALLED AT LOCATION B2 AND/OR C2, THE ABfc SpL|T PAD F0R THAT LOCATION SHOULD BE

FILLED WITH SOLDER. IF A 74LS241 IS USED, THE AB5 APPROPRIATE SPLIT PAD SHOULD BE OPEN.

R/WB

NOTE:

EITHER A 74LS245 OR AN AM8304B MAY BE

R/WB

NOTE:

EITHER A 74LS245 OR AN AM8304B MAY BE

ADDRESS [

AI4 A 13

LS IB

JA DCDft

HEXADECIMAL

0000-01 FF 0200-02F F 0300-03FF

2001 2002

2003

2004

2005

2006 2007 2400

2401

2402

2403

2404

2405

2406

2407 2800

2801 2802 2803

3000 3200 3200 3200

3200 3200 3200 3400

3600 3600 3A00 3A00

3C00 3C01 3C02 3C03

3C04 3C05 3E00

conn_7EEP

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