UM6522 Datasheet (UMC) - VERSATILE INTERFACE ADAPTER

UM6522, VERSATILE INTERFACE ADAPTER

The UM6522 Versatile Interface Adapter (VIA) is a very flexible I/O control device.

In addition, this device contains a pair of very powerful 16-bit interval timers, a serialto-parallel/parallel-to-serial shift register and input data latching on the peripheral ports.

Expanded handshaking capability

UM6522 Features

* Two 8-bit bidirectional I/O ports

* Two 16-bit programmable timer/counters

* Serial data port

* Single +5V power supply

* TTL compatible expect Port A

* CMOS compatible peripheral Port A lines

* Expanded "handshake" capability allows positiv