CM2915

LCD Driver (19*4) with Key Scan (4*8)

* All specs and applications shown above subject to change without prior notice.

1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU ,

TAOYUAN, TAIWAN

Email: server@ceramate.com.tw

Tel:886-3-3214525

Http: www.ceramate.com.tw

Fax:886-3-3521052

Page 17 of 19

Rev 1.0 Aug.1, 2003

9

Application circuit

（For RC oscillator use）

COM 0 -- COM3

SEG0 - SEG18

RLCD-3

VDD

SYNCB

CKWB

DI

GND

ROSC

IR rcv.

DOUT

0.1u

R1

R2

R3

R4

D7

AIN

200Kohm

C1

C2

C3

C4

C5

C6

C7

C8

VLCD

4.3K

30K

1000pF

MCU

GND

Px

Px

Px

Px

XI