PCF1179C Datasheet (NXP) - 4-digit duplex LCD car clock

PCF1179C, 4-digit duplex LCD car clock

The PCF1179C is a single chip, 4.19 MHz car clock circuit providing hours, minutes, and seconds functions.

It is designed to drive a 4-digit duplex liquid crystal display (LCD).

Two external single-pole, single-throw push buttons accomplish all time setting functions.

Time calibration and voltage r

PCF1179C Features

* Internal voltage regulator is electrically programmable for various LCD voltages

* Time calibration is electrically programmable (no trimming capacitor required)

* LCD voltage adjusts with temperature for a good contrast

* 4.19 MHz oscillator

* 12-hour or 24-hour mode

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