Datasheet4U Logo Datasheet4U.com

UCOM-45 - 4-BIT SINGLE CHIP MICROCOMPUTER

Key Features

  • 1000 x 8 ROM (IlPD550 and IlPD550L have 640 x 8 ROM).
  • 32 x 4 RAM.
  • lOlls 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.
  • l-Level Subroutine Stack.
  • Extensive I/O Calla~iI ity - One 4-Bit Input Ports - Two 4-Bit I/O Ports - Two 4-Bit Output Ports - One l-Bit Output Port.
  • Software Testable Interrupt.
  • Built.

📥 Download Datasheet

Other Datasheets by NEC (now Renesas Electronics)

Part Number Description
UCOM-44 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 J£COM-45 4-81T SINGLE CHIP MICROCOMPUTERS DESC RIPTI ON The IlCOM-45 4-bit single chip microcomputers described below comprise the lower-performance portion of the IlCOM-4 Microcomputer Family. They are dis· tinguished from other IlCOM-4 products by their smaller ROM and RAM, and their reduced 21 line I/O capability.