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UPD754264 - 4-BIT SINGLE-CHIP MICROCONTROLLERS

Datasheet Summary

Description

The µPD754264 is a 4-bit single-chip microcontroller which incorporates the EEPROMTM for key-less entry application.

Features

  • On-chip EEPROM: 32 × 8 bits (mapped to the data memory).
  • On-chip key return reset function for key-less entry.
  • On-chip low-voltage A/D converter (AVREF = 1.8 to 6.0 V), 8-bit resolution × 2 channels.
  • Low-voltage operation: VDD = 1.8 to 6.0 V.
  • Timer function (4 channels).
  • Basic interval timer/watchdog timer : 1 channel.
  • 8-bit timer counter.
  • On-chip memory.
  • Program memory (ROM) 4096 × 8 bits.
  • Data memory (st.

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Datasheet Details

Part number UPD754264
Manufacturer NEC
File Size 318.86 KB
Description 4-BIT SINGLE-CHIP MICROCONTROLLERS
Datasheet download datasheet UPD754264 Datasheet
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Full PDF Text Transcription

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DATA SHEET MOS INTEGRATED CIRCUIT µPD754264 4-BIT SINGLE-CHIP MICROCONTROLLERS DESCRIPTION The µPD754264 is a 4-bit single-chip microcontroller which incorporates the EEPROMTM for key-less entry application. It incorporates a 32 × 8-bit EEPROM, a CPU performing operation, a 4-Kbyte mask ROM to store software, a 128 × 4-bit RAM to store the operation data, an 8-bit resolution A/D converter, and a carrier generator which easily outputs waveforms for infrared remote controller. The details of functions are described in the following user’s manual. Be sure to read it before designing. µPD754264 User’s Manual: U12287E FEATURES • On-chip EEPROM: 32 × 8 bits (mapped to the data memory) • On-chip key return reset function for key-less entry • On-chip low-voltage A/D converter (AVREF = 1.
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