ST7556 Datasheet (Sitronix Technology) - 65 x 102 Dot Matrix LCD Controller/Driver

ST7556, 65 x 102 Dot Matrix LCD Controller/Driver

ST Sitronix 1.

INTRODUCTION ST7556 65 x 102 Dot Matrix LCD Controller/Driver The ST7556 is a driver & controller LSI for graphic dot-matrix liquid crystal display systems.

It contains 102 segment and 65 common with 1 ICOM driver circuits.

This chip is connected directly to a microprocessor, accepts 4-line serial interface (SPI) or 8-bit parallel interface, display data can store in an on-chip display data RAM of 66 x 102 bits.

It performs display data RAM read/write operation with no external

ST7556 Features

* Driver Output Circuits 102 segment outputs / 65+1 common outputs On-chip Display Data ram Capacity: 66X102=6,732 bits (external clock also possible) Voltage converter (x4) Voltage regulator (temperature gradient -0.05%/°C) Voltage follower On-chip electronic contrast control function (128 steps) Liq