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UPD754244

Part Number	UPD754244
Manufacturer	NEC
Description	4-BIT SINGLE-CHIP MICROCONTROLLERS
Published	Apr 16, 2005
Detailed Description	DATA SHEET µPD754144, 754244 4-BIT SINGLE-CHIP MICROCONTROLLERS MOS INTEGRATED CIRCUIT DESCRIPTION The µ PD754244 is ...
Datasheet	UPD754244 PDF File

Overview

DATA SHEET µPD754144, 754244 4-BIT SINGLE-CHIP MICROCONTROLLERS MOS INTEGRATED CIRCUIT DESCRIPTION The µ PD754244 is a 4-bit single-chip microcontroller which incorporates the EEPROMTM for key-less entry application.
It incorporates a 16 × 8-bit EEPROM, a 4-Kbyte mask ROM to store software, a 128 × 4-bit RAM to store the processing data, a processing CPU, 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.
µPD754144, 754244 User’s Manual: U10676E FEATURES • • • • • • • On-chip EEPROM: 16 × 8 bits (mapped to the data memory) On-chip key return r...

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