DMC-50448N 데이터 시트보기 (PDF) - Optrex Corporation

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DMC-50448N

LCD Module Specification

Optrex Corporation 

4.I/O Terminal

4.1.Pin Assignment

No.

Symbol

1

VSS

2

VDD

3

V0

4

RS

5

R/W

6

E

7

DB0

8

DB1

9

DB2

10

DB3

11

DB4

12

DB5

13

DB6

14

DB7

Level

－

－

－

H/L

H/L

H,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

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)

GND (0V)

V0

VR=10～20K Ω

DMC-50448N (AA) No.99-0094

OPTREX CORPORATION

OPTREX

Page 7/15

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