S6A0079 Datasheet (Samsung semiconductor) - 34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

S6A0079, 34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD

Table 2.

Pad Description Pad (No) VDD (60) VSS1, VSS2 (66, 81) V1-V5 (88-84) Vci (78) Input Input/ Output Name Power supply Description For logical circuit (+3V, +5V) 0V (GND) Bias voltage level for LCD driving Input voltage to the voltage converter to generate LCD drive voltage (Vci = 1.0 - 4.5V).

34COM/120SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD S6A0079 INTRODUCTION S6A0079 is a dot matrix LCD driver & controller LSI which is fabricated by low power CMOS technology.

It can display 2, or 4 lines with 5 x 8 dots format.

FUNCTIONS Character type dot matrix LCD driver & controller Internal driver: 34 common and 120 segment signal output Easy interface with 4-bit or 8-bit MPU 5 x 8 dots matrix possible Voltage converter for LCD

S6A0079 Features

* Internal memory - Character Generator ROM (CGROM): 9,600 bits (240 characters x 5 x 8 dot) - Character Generator RAM (CGRAM): 64 x 8 bits (8 characters x 5 x 8 dot) - Icon RAM (CGRAM): 16 x 8 bits (80 icons max.) - Display Data RAM (DDRAM): 96 x 8 bits (96 characters max.) Low power operat