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KS0074 Datasheet

  • KS0074

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

  • 70頁

  • SAMSUNG   SAMSUNG

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KS0074
34COM/80SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD
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
- 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

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