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UPD17145 - SMALL/ GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS

This page provides the datasheet information for the UPD17145, a member of the UPD SMALL/ GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS family.

Datasheet Summary

Features

  • 17K architecture.
  • Program memory (ROM) : General-purpose register type : Instruction length fixed to 16 bits : µPD17145(A1) : 2 KB (1024 × 16 bits) : µPD17147(A1) : 4 KB (2048 × 16 bits) : µPD17149(A1) : 8 KB (4096 × 16 bits).
  • Data memory (RAM).
  • External interrupt.
  • Instruction execution time.
  • 8-bit A/D converter.
  • Timer.
  • Serial interface.
  • POC circuit (mask option).
  • Operating voltage.
  • Operating temp.

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Datasheet preview – UPD17145

Datasheet Details

Part number UPD17145
Manufacturer NEC
File Size 408.90 KB
Description SMALL/ GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS
Datasheet download datasheet UPD17145 Datasheet
Additional preview pages of the UPD17145 datasheet.

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Full PDF Text Transcription

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DATA SHEET MOS INTEGRATED CIRCUIT µPD17145(A1), 17147(A1), 17149(A1) SMALL, GENERAL-PURPOSE 4-BIT SINGLE-CHIP MICROCONTROLLERS The µ PD17145(A1), 17147(A1), and 17149(A1) are 4-bit single-chip microcontrollers integrating an 8-bit A/D converter (4 channels), a timer function (3 channels), and a serial interface. These microcontrollers employ a CPU of the general-purpose register type that can execute direct memory operations and direct memory-to-memory data transfer for efficient programming. All the instructions consist of 16 bits per word. In addition, a one-time PROM version, the µ PD17P149, is also available for program evaluation. The functions of these microcontrollers are described in detail in the following User’s Manual.
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