The Amiga contains two CIA's, known as CIA-A and CIA-B although they are both the same chip. The CIA's are responsible for, or take part in various I/O functions such as the serial, parallel, joystick & mouse ports.
| Chip Number |
Part Number |
Used In |
| 8520A-1 |
318029-03 |
A2000 |
| 8520A-1 |
|
A1000 |
| 8520PL |
391078-01 |
A600 |
| 8520A-1 |
391078-02 |
|
| 8520R2 |
|
A1000 NTSC |