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6551 - ASYNCHRONOUS COMMUNICATION INTERFACE ADAPTER

Datasheet Summary

Features

  • On-chip baud rate generator: 15 programmable baud rates derived from a standard 1.8432 M Hz 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 bit detection.
  • 8-bit bi-directional data bus for direct communicati~ ) -standard baud rates (up engths; number of stop bits; and nd detection. control signals provided. :.
  • ep.

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Datasheet preview – 6551

Datasheet Details

Part number 6551
Manufacturer Commodore
File Size 337.36 KB
Description ASYNCHRONOUS COMMUNICATION INTERFACE ADAPTER
Datasheet download datasheet 6551 Datasheet
Additional preview pages of the 6551 datasheet.

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    Full PDF Text Transcription

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    , . .commodore ~ aamiconduct:ar group ~~@~ MPS 6551 ASSYNCH RONOUS COMMUNICATION INTERFACE ADAPTER [ 6551 ASYNCHRONOUS COMMUNICATION INTERFACE ADAPTER CONCEPT: The 6551 is an Asynchronous Communication Adapter (ACIA) intended to provide for interfacing the 6500/6800 microprocessor families to serial communication data sets and modems. A unique feature is the inclusion of an on-chip programmable baud rate generator, with a crystal being the only external com pone t required. FEATURES: • On-chip baud rate generator: 15 programmable baud rates derived from a standard 1.8432 M Hz 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 bit detection.
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