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UM6551 Datasheet Asynchronous Communication Interface Adapter

Manufacturer: UMC Corporation

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Datasheet Details

Part number UM6551
Manufacturer UMC Corporation
File Size 333.45 KB
Description Asynchronous Communication Interface Adapter
Datasheet UM6551_UMCCorporation.pdf

General Description

The UM6551 is an Asynchronous Communication Adapter (

Key Features

  • On-chip baud rate generator: 15 programmable baud rates derived from a standard 1.8432 MHz external crystal (50 to 19,200 baud).
  • Programmable interrupt and status register to simplify software design.
  • Single +5 volt power supply.
  • Serial echo mode.
  • False start b it detect io n.
  • 8-bit bi-directional data bus for direct communica- tion with the microprocessor.
  • External 16x clock input for non-standard baud rates (up to 125k baud).

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UM6551 Distributor