ST7065C 데이터 시트보기 (PDF) - Sitronix Technology Co., Ltd.

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ST7065C

40CH Segment/Common Driver for Dot Matrix LCD

Sitronix Technology Co., Ltd. 

ST7065C

Pin Description:

Pin Name Purpose

Description

I/O

VDD

POWER

for logic

N/A

VSS

GROUND

for logic

N/A

VEE

LCD GND

for LCD driving voltage

N/A

V1 V2

LCD output

used as select voltage level

I

V3 V4

LCD output Used as non select voltage level for Part I

I

V5 V6

LCD output Used as non select voltage level for Part II

I

S[1]-S[20]

segment

LCD driver output for part 1

O

SHL1

direction

direction control for part 1 segments

I

DL1, DR1 data in /out

If SHL1 = 1 then DL1=out, DR1=in

If SHL1 = 0 then DL1=in, DR1=out

I/O

S[21]-S[40]

SHL2

segment

direction

LCD driver output for part 2

O

direction control for part 2 segments

I

DL2, DR2

data in/out

If SHL2 = 1 then DL2=out, DR2=in

If SHL2 = 0 then DL2=in, DR2=out

I/O

M

alternation

Alternate the LCD driving waveform

I

CL1

latch clock

latch the data after shift is completed

I

CL2

shift clock

shift the data into the segments

I

FCS

mode selection

mode select signal for Part II

I

V1.4c

7/14

2009/08/21

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