DMC40202 データシートの表示（PDF） - Optrex Corporation

部品番号

コンポーネント説明

メーカー

DMC40202

LCD Module Specification

Optrex Corporation 

4.I/O Terminal

4.1.Pin Assignment

No.

Symbol

1

VSS

2

VDD

3

VEE

4

RS

5

R/W

6

E

7

DB0

8

DB1

9

DB2

10

DB3

11

DB4

12

DB5

13

DB6

14

DB7

15 LED CATHODE

16

LED ANODE

Level

－

－

－

H/L

H/L

H/L

H/L

H/L

H/L

H/L

H/L

H/L

H/L

H/L

－

－

Function

Power Supply (0V, GND)

Power Supply for Logic

Power Supply for LCD Drive

Register Select Signal

Read/Write Select Signal H : Read L : Write

Enable Signal (No pull-up Resister)

Data Bus Line / Non-connection at 4-bit operation

Data Bus Line / Non-connection at 4-bit operation

Data Bus Line / Non-connection at 4-bit operation

Data Bus Line / Non-connection at 4-bit operation

Data Bus Line

Data Bus Line

Data Bus Line

Data Bus Line

LED Cathode Terminal

LED Anode Terminal

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.

VDD

VR

MODULE VSS

VDD(+Voltage)

VSS (0V)

VEE

VR=10～20KΩ

DMC40202NY-LY-AFE (AR) No.99-0205

OPTREX CORPORATION

OPTREX

Page 8/16

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