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UM8031 - Single Chip 8-Bit Microcomputer

This page provides the datasheet information for the UM8031, a member of the UM8051 Single Chip 8-Bit Microcomputer family.

Datasheet Summary

Description

The UM8051/8031 is a stand-alone, high-performance single-chip computer fabricated with UMC's highly-reliable +5 Volt, NMOS technology and packaged in a 40-pin DIP.

Features

  • 4K x BROM.
  • 128 x 8 RAM.
  • Four 8-bit ports, 32 I/O lines.
  • Two 16-bit timer/event counters.
  • High-performance full-duplex serial channel.
  • External memory expandable to 128K.
  • Boolean processor.
  • UM8048 architecture enhanced with:.
  • Non-paged jumps.
  • Direct addressing.
  • Four 8-register banks.
  • Stack depth up to 128 -bytes.
  • Multiply, divide, subtract, compare.
  • Most instructions exe.

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Datasheet preview – UM8031

Datasheet Details

Part number UM8031
Manufacturer UMC
File Size 489.67 KB
Description Single Chip 8-Bit Microcomputer
Datasheet download datasheet UM8031 Datasheet
Additional preview pages of the UM8031 datasheet.

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Full PDF Text Transcription

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eUMC UMBOS1 / UMB031 ======::::Single Chip 8-Bit Microcomputer Features • 4K x BROM • 128 x 8 RAM • Four 8-bit ports, 32 I/O lines • Two 16-bit timer/event counters • High-performance full-duplex serial channel • External memory expandable to 128K • Boolean processor • UM8048 architecture enhanced with: • Non-paged jumps • Direct addressing • Four 8-register banks • Stack depth up to 128 -bytes • Multiply, divide, subtract, compare • Most instructions execute in 1~s • 4~s multiply and divide General Description The UM8051/8031 is a stand-alone, high-performance single-chip computer fabricated with UMC's highly-reliable +5 Volt, NMOS technology and packaged in a 40-pin DIP. It provides the hardware features, architectural enhancements and new instructions that are necessary to make it a.
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