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UPD754144

4-BIT SINGLE-CHIP MICROCONTROLLERS

UPD754144 Features

* On-chip EEPROM: 16 × 8 bits (mapped to the data memory) On-chip key return reset function for key-less entry System clock oscillation circuit

* µ PD754144: RC oscillator (external resistor and capacitor)

* µ PD7

UPD754144 General 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 outp.

UPD754144 Datasheet (416.13 KB)

Preview of UPD754144 PDF

Datasheet Details

Part number:

UPD754144

Manufacturer:

NEC

File Size:

416.13 KB

Description:

4-bit single-chip microcontrollers.

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TAGS

UPD754144 4-BIT SINGLE-CHIP MICROCONTROLLERS NEC

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