UPD754144

The UPD754144 is 4-BIT SINGLE-CHIP MICROCONTROLLERS designed by NEC.

Product Overview

NEC

Part number	UPD754144
Manufacturer	NEC
File Size	416.13 KB
Description	4-BIT SINGLE-CHIP MICROCONTROLLERS
Datasheet	UPD754144_NEC.pdf
Additional preview pages of the UPD754144 datasheet.

The µ PD754244 is a 4-bit single-chip microcontroller which incorporates the EEPROMTM for key-less entry application.

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 PD754244: Crystal/ceramic oscillator Low-voltage operation: V DD = 1.8 to 6.0 V Timer function (4 channels).
Basic interval timer/watchdog timer: 1 channel.
8-bit timer counter : 3 chan.

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Published: Apr 16, 2005 |