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UPD754264

Part Number	UPD754264
Manufacturer	NEC
Description	4-BIT SINGLE-CHIP MICROCONTROLLERS
Published	Apr 16, 2005
Detailed Description	DATA SHEET MOS INTEGRATED CIRCUIT µPD754264 4-BIT SINGLE-CHIP MICROCONTROLLERS DESCRIPTION The µPD754264 is a 4-bit ...
Datasheet	UPD754264 PDF File

Overview

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.
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 memor...

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