KS0074

Dot Matrix LCD Driver, 34 X 80 Dots, CMOS, DIE-143

INTRODUCTION

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 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 : 80 x 8 bits 80 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

• Low power consumption

• Bare chip available

FUNCTIONS

• Character type dot matrix LCD driver & controller

• Internal driver : 34 common and 80 segment signal output

• Easy interface with 4-bit or 8-bit MPU

• Clock synchronized serial Interface

• 5 x 8 dot matrix possible

• 6 x 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