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UM6520A

UMC
Part Number UM6520A
Manufacturer UMC
Description Peripheral Interface Adapter
Published Jan 31, 2017
Detailed Description (l)UMC UM6520 / UM6520A Peripherald",',,""''"'"''''''''.''''' Interface Adapte,(PIA) Features • Direct replacement for...
Datasheet PDF File UM6520A PDF File

UM6520A
UM6520A

Overview
(l)UMC UM6520 / UM6520A Peripherald",',,""''"'"''''''''.
''''' Interface Adapte,(PIA) 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 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 pro...


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