Appendix F Complex Interface Adapters; 8520 Complex Interface Adaptor Cia) Chips - Commodore Amiga A1000 Hardware Reference Manual

APPENDIX F
COMPLEX INTERFACE ADAPTERS
This appendix contains information about the 8520 peripheral interface adapters.

8520 COMPLEX INTERFACE ADAPTOR CIA) CHIPS

Each Amiga system contains two 8520 Complex Interface Adaptor (CIA) chips. Each chip
has 16 general purpose input/output pins, plus a serial shift register, three timers, an
output pulse pin and an edge detection input. In the Amiga system various tasks are
assigned to the chip's capabilities.
- Appendix F 317 -