ks0074 Samsung Semiconductor, Inc., ks0074 Datasheet

Manufacturer Part Number

ks0074

Description

34com/80seg Driver & Controller For Dot Matrix Lcd

Manufacturer

Samsung Semiconductor, Inc.

Datasheet

1.KS0074.pdf (70 pages)

KS0074

INTRODUCTION

KS0074 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.

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

FEATURES

Internal Memory

Low power operation

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

- 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.)

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

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

34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD