Datasheet Details
| Part number | UM6520 |
|---|---|
| Manufacturer | UMC |
| File Size | 526.02 KB |
| Description | Peripheral Interface Adapter |
| Datasheet |
 UM6520 Datasheet
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General Description
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.
Key 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 interrupt capability.
- Automatic initialization on power up.
- 1 and 2 MHz versions General.