NJU6657 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJU6657

88-common x 272-segment Bitmap LCD Driver

Japan Radio Corporation  

NJU6657

BLOCK DIAGRAM

VLCD

V1

V2

V3

V4

VDCIN

VEE

VSSE

C1+

C1-

VST1

VST1R

C2+

C2-

C3+

C3-

C4+

C5+

C6+

VDCOUT

Power

Supply

Circuit

V7 to D0

PS

SEL68

A0

I/F

RDB/E

WRB/RW

RSTB

VDD

VSS

SEG0 to SEG271

Preliminary

COM0 to COM87

SEG Driver

COM Driver

DD RAM

Temp. Sensor

TSV

Oscilation

Circuit

CLS

OSC1

Logic Circuit

BUSY

- 10 -

Ver.2012-11-22

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