PCF8579 Datasheet (NXP) - LCD-column driver

PCF8579, LCD-column driver

The PCF8579 is a low power CMOS1 LCD column driver, designed to drive dot matrix graphic displays at multiplex rates of 1:8, 1:16, 1:24 or 1:32.

The device has 40 outputs and can drive 32 × 40 dots in a 32 row multiplexed LCD.

Up to 16 PCF8579s can be cascaded and up to 32 devices may be used on the

PCF8579 Features

* I LCD column driver I Used in conjunction with the PCF8578, this device forms part of a chip set capable of driving up to 40960 dots I 40 column outputs I Selectable multiplex rates; 1:8, 1:16, 1:24 or 1:32 I Externally selectable bias conﬁguration, 5 or 6 levels I Easily cascadable for large applic