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UCOM-44 - 4-BIT SINGLE CHIP MICROCOMPUTER

Key Features

  • 1000x8ROM.
  • 64 x 4 RAM.
  • 10 MS Instruction Cycle Time, Typical.
  • 58 Powerful Instructions - Table Look.
  • Up Capability with CZP and JPA Instructions - Single Bit Manipulation of RAM or I/O Ports.
  • 1-Level Subroutine Stack (MPD651 has a 2-Level Stack).
  • Extensive I/O Capability Two 4-Bit Input Ports Two 4-Bit I/O Ports Four 4-Bit Output Ports One 3-Bit Output Port.
  • Software Testable Interrupt.
  • Built.
  • ln Clock Signal Generation Circuit.

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Other Datasheets by NEC (now Renesas Electronics)

Part Number Description
UCOM-45 4-BIT SINGLE CHIP MICROCOMPUTER

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
NEe Microcomputers, Inc. NEe ~COM-44 4-81T SINGLE CHIP MICROCOMPUTERS DESC R IPTION The MCOM-44 4-bit single chip microcomputers described below comprise the medium·performance portion of the MCOM-4 Microcomputer Family. They are dis· tinguished from other MCOM-4 products by their ROM and RAM, and their extensive 351ine I/O capability. FEATURES.