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UM6522

Part Number	UM6522
Manufacturer	UMC
Description	VERSATILE INTERFACE ADAPTER
Published	Jul 6, 2005
Detailed Description	UM6522/ UM6522A Versatile Interface Adapter(VIA) Features • Two 8-bit bidirectional I/O ports • Two 16-bit programmable...
Datasheet	UM6522 PDF File

Overview

UM6522/ UM6522A Versatile Interface Adapter(VIA) 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 positive control of data transfers between processor and peripheral devices • Latched output and input registers • 1 MHz and 2 MHz operation General Description 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 latchin...

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