IA8255 Description
Page 1 of 4 IA8255 Advanced Information Sheet Programmable Peripheral Interface Adapter.
IA8255 Key Features
- Form, Fit, and Function patible with the Intel® 8255A and Harris© 82C55A Packaging options available: 40 Pin Plastic DIP
- Basic Input/Output (Mode 0)
- Port A, Port B, Port C (upper), and Port C (lower) can be independently configured as inputs or outputs to read or hold
- Port A and Port B can be independently configured as strobed input or output buses. Signals from Port C are dedicated as
- Port A can also be configured as a bidirectional bus, with the majority of Port C providing the control signals. In this