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 and joystick & mouse ports.
| Chip Number | Part Number | Used In |
|---|---|---|
| 8520 | 391078-01 | |
| 8520A-1PL | 391078-02 |
Thanks to Mirko Alexander Stuffe
