MSM6555B 데이터 시트보기 (PDF) - Oki Electric Industry

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MSM6555B

DOT MATRIX LCD CONTROLLER WITH 17-DOT COMMON DRIVER AND 80-DOT SEGMENT DRIVER

Oki Electric Industry 

¡ Semiconductor

BLOCK DIAGRAM

VDD

VSS

VC2

VCC2

VSS1

LCD

VSS4

BIAS

GENERATOR

VSS5

VSS2,3

N1

VOLTAGE

REGULATOR

N2

VSS6

VC1

VOLTAGE

DOUBLER

VCC1

XT

OSC

XT

32K/EXT

9D/17D

RST

TEST

C1 to C17

17

COMMON

DRIVER

1/4 BIAS

VDD

VSS1

VSS2,3

VSS4

VSS5

MSM6555B-xx

S1 to S80

80

SEGMENT DRIVER

80

LATCH

80

SHIFT REGISTER

RAM

(448 BITS)

CHARACTER

GENERATOR

ROM

(256 ¥ 5 ¥ 7 DOTS)

BLINK

CONTROLLER

9

TIMING

GENERATOR

8

SERIAL/PARALLEL

INTERFACE

CS

C/D

SHT

SO

SI

2/27

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