MSM9005 查看數據表（PDF） - Oki Electric Industry

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MSM9005

DOT MATRIX LCD CONTROLLER WITH 8-DOT COMMON DRIVER AND 65-DOT SEGMENT DRIVER

Oki Electric Industry 

¡ Semiconductor

FEDL9005-03

MSM9005-xx

Pin Symbol Type Connected to

Description

36

VDD

—

50

VSS

—

These are power pins. Set VDD = 2.5 to 5.5V and VSS = 0V.

These are bias power pins for driving the LCD. Set the bias

voltage as follows.

35

VLCD1

4 V £ VDD – VLCD4 £ 8 V

34

VLCD2

—

33

VLCD3

31

VLCD4

—

VLCD1=VDD –

1

4

(VDD–VLCD4)

VLCD2=VDD –

2

4

(VDD–VLCD4)

VLCD3=VDD –

3

4

(VDD–VLCD4)

5/30

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