INTRODUCTION

KS0078 is a dot matrix LCD driver & controller LSI which is fabricated by low power CMOS technology. It can display 1, 2, or 4 lines with 5 × 8 or 6 × 8 dots format.

FEATURES

• Internal Memory

- Character Generator ROM (CGROM) : 9,600 bits (240 characters × 5 × 8 dot)

- Character Generator RAM (CGRAM) : 64 x 8 bits (8 characters × 5 × 8 dot)

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

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

• Low power operation

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

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

• CMOS process

• Programmable duty cycle : 1/17, 1/33 (refer to Table 1.)

• 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 × 8 dot matrix possible

• 6 × 8 dot matrix possible

• Bi-directional shift function

• All character reverse display

• Display shift per line

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

• Various instruction functions

• Automatic power on reset