DMF682ANY-EB

(AF)

No.2000-0057

OPTREX CORPORATION

Page 10/18

OPTREX

4.I/O Terminal

4.1.Pin Assignment

No.

Symbol

Level

Function

1

―

Power Supply for Logic

2

―

Power Supply (0V, GND)

3

―

Power Supply for LCD Drive

4

LP

H / L

Data Latch Signal

5

M

H / L

Alternate Signal for LCD Drive

6

DISPOFF

H / L

Display Control Signal

H : Display on

L : Display off

7

NC

－

Non-connection

8

FLM

H / L

First Line Marker

9

CP

H / L

Clock Signal for Shifting Data

10

NC

－

Non-connection

11

D0

H / L

Display Data

12

D1

H / L

Display Data

13

D2

H / L

Display Data

14

D3

H / L

Display Data

15

EL

－

Power Supply for EL

16

EL

－

Power Supply for EL

4.2.Example of Power Supply

It is recommended to apply a potentiometer for the contrast adjust due to the tolerance

of the driving voltage and its temperature dependence.

VSS

MODULE

VEE

VDD

VEE (-Voltage)

VDD (+Voltage)

Tr=2SA1202 or equivalent

R1+R2+VR=10～20KΩ

VSS (0V)

R2

R1

VR

Tr