Interface Pin Function

Pin No. Symbol

Level

Description

1

0V

Ground

2

5.0V

Supply Voltage for logic

3

VO

(Variable) Operating voltage for LCD

4

NC

－

No connection

5

NC

－

No connection

6

NC

－

No connection

7

SA0

H/L

8

SA1

H/L

In IIC interface ,DB1(SA1) and DB0(SA0) are used

for Slave address, must be connect to VDD or VSS

9

NC

－

No connection

10

NC

－

No connection

11

NC

－

No connection

12

CSB

H/L

In IIC serial mode, used as chip selection input.

When CSB = “Low”, selected

When CSB = “High”, not selected.

( Low access enable )

13

SDA

H/L

serial input data

14

SCL

H/L

serial clock input

15

A

－

LED +

16

K

－

LED－

DOT SIZE

SCALE 5/1

0.55

0.6

2.95

0.6

3.55

K

A

LED B/L

13.5Max

8.9

1.6

40.55

16- 1.0 PTH

1.8

P2.54*15=38.1

8.0

75.0

2.5

7.55

12.45

4- 2.5 PTH

4- 5.0 PAD

16

4.95

1

80.0 0.5

66.0(VA)

56.2(AA)

71.2

CSB

12

15

16

14

13

A

K

SCL

SDA

Vss

1

7

11

10

8

9

4

6

5

3

2

NC

NC

Vo

Vdd

NC

SA0

SA1

NC

NC

NC

Contour Drawing &Block Diagram

DDRAM address

DDRAM address

6

1

5

1

d

e

t

a

c

o

l

r

e

t

c

a

r

a

h

C

4

1

2

1

1

1

3

1

10

4F

0F

4E

0E

4D

0D

4C

0C

4B

0B

4A

0A

49

09

48

08

47

07

46

06

45

05

44

04

43

03

42

02

41

01

40

00

MPU

SDA

SCL

IIC

Controller/Com Driver

16X2 LCD

Com1~16

Seg1~40

D

Seg Driver

M

CL1

CL2

Seg41~80

Vdd,Vss,V1~V5

Optional

Vdd

Vo

Vss

VR

10K~20K

External contrast adjustment.