Datasheet Details
Part number:
UM6520A, UM6520
Manufacturer:
UMC
File Size:
526.02 KB
Description:
Peripheral interface adapter.
Note:
This datasheet PDF includes multiple part numbers: UM6520A, UM6520.
Please refer to the document for exact specifications by model.
UM6520A, 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
UM6520A 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
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