INTRODUCTION

S6A0078 is a dot matrix LCD driver & controller IC which is fabricated by low power CMOS technology. It can display 1, 2, or 4 lines with 5 x 8 or 6 x 8 dots format.

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)

- Segment Icon RAM (SEGRAM): 16 x 8 bits (96 icons max.)

- Display Data RAM (DDRAM): 96 x 8 bits (96 characters max.)

• Low power operation

Power supply voltage range: 2.7 - 5.5V (VDD)

LCD drive voltage range: 3.0 - 13.0V (VDD - V5)

• CMOS process

• Programmable duty cycle: 1/17, 1/33

• Internal oscillator with an external resistor

• Bare chip available

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

• Clock synchronized serial interface

• 5 x 8 dots matrix possible

• 6 x 8 dots matrix possible

• Bi-directional shift function

• All character reverse display

• Display shift per line

• Voltage converter for LCD drive voltage: 13V max (2 times/3 times)

• Various instruction functions

• Automatic power on reset