UM6520 Datasheet (UMC) - Peripheral Interface Adapter

UM6520, Peripheral Interface Adapter

The UM6520/A peripheral Interface Adapter (PIA) is designed to provide a broad range of peripheral control to microcomputer systems.

Control of peripheral devices is accomplished through two 8-bit bi-directional I/O ports.

Each I/O line may be programmed to be either an input or an output.

In addit

UM6520 Features

* Direct replacement for Motorola MC6820

* Single +5V power supply

* Two 8-bit bi-directional I/O ports with individual data direction control

* CMOS-compatible peripheral port A lines

* Automatic "handshake.' control of data transfers

* Programmable