PCF8531 Datasheet (NXP) - 34 x 128 pixel matrix driver

PCF8531, 34 x 128 pixel matrix driver

The PCF8531 is a low-power CMOS1 LCD row and column driver, designed to drive dot matrix graphic displays at multiplex rates of 1:17, 1:26, and 1:34.

Furthermore, it can drive up to 128 icons.

All necessary functions for the display are provided in a single chip, including on-chip generation of VLCD

PCF8531 Features

* Single-chip LCD controller and driver

* 34 row and 128 column outputs

* Display data RAM 34  128 bits

* 128 icons (last row is used for icons)

* Fast-mode I2C-bus interface (400 kbit/s)

* Software selectable multiplex rates: 1:17, 1:26, and 1:34

* Icon mode with multip