UM6520 Datasheet - UMC

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

UM6520-UMC.pdf