UU9792

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

2 of 15

www.unisonic.com.tw

QW-R125-047.a

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PIN CONFIGURATION

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Terminal description

Terminal No

Terminal

DESCRIPTION

1 ~ 5

SEG31-SEG35

18 ~ 48

SEG0-SEG30

SEGMENT output for LCD driving

6 ~ 9

COM0~COM3

COMMON output for LCD driving

10

VLCD

Power supply for LCD driving

11

Power supply

12

GND

13

TEST1

TEST input

Must be connected to VSS

14

OSCIO

External clock input.

External clock and internal clock can be selected by command.

Must be connected to VSS when internal oscillation circuit is used

15

SCL

Serial data transfer clock

16

SDA

Serial data input

17

TEST2

POR enable set

H: POR disable(Use Soft ware Reset)

L: POR enable