Apple II Mouse Interface PCB
Apple 1983

This is a serial mouse interface for the Apple II

PCB Layout
----------
apple computer
MOUSE INTERFACE
670-0030-C (C) 1983
Printed on back side - MOUSE INTERFACE 820-0104-B (C) 1983 APPLE COMPUTER
|-----------------------------------|
|            PAL16R4       6821     |
|                                   |
|      J1                           |
|                  74SC245          |
|           68705P3        8516     |
|     74LS74  X1  X2                |
|-------------------|             |-|
                    |-------------|

Notes:
      J1      - 9 pin flat cable with female DB9 connector
      68705P3 - Motorola MC68705P3 microcontroller (DIP28) labelled '341-0269 (C) APPLE'
                PCB printed '(C) APPLE 1983 341-0269 or 342-0285'
      8516    - Fujitsu MB8516 2k x8-bit EPROM (DIP24) labelled '341-0270-C (C) APPLE 1983'
                PCB printed '(C) APPLE 1983 342-0270'
      PAL16R4 - MMI PAL16R4ACN (DIP20) marked '341-0268-A'
                PCB printed '(C) APPLE 1983 342-0268'
      6821    - AMI 6821 Peripheral Interface Adapter (DIP40)
      X1/X2   - Jumper pads. X1 is open, X2 is closed.