DMC40457NYJ-LY-D Ver la hoja de datos (PDF) - Optrex Corporation

Número de pieza

componentes Descripción

Fabricante

DMC40457NYJ-LY-D

LCD Module

Optrex Corporation 

4.I/O Terminal

4.1.Pin Assignment

No.

Symbol

1

DB7

2

DB6

3

DB5

4

DB4

5

DB3

6

DB2

7

DB1

8

DB0

9

E1

10

R/W

11

RS

12

VEE

13

VSS

14

VCC

15

E2

16

NC

17

LED K

18

LED A

Level

H/L

H/L

H/L

H/L

H/L

H/L

H/L

H/L

H,H→L

H/L

H/L

－

－

－

H,H→L

－

－

－

Function

Data Bus Line

Data Bus Line

Data Bus Line

Data Bus Line

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

Enable Signal (No pull-up Resister)

Read/Write Select Signal H : Read L : Write

Register Select Signal

Power Supply for LCD Drive

Power Supply (0V, GND)

Power Supply for Logic

Enable Signal (No pull-up Resister)

Non-connection

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.

VCC

VR

MODULE VEE

VSS

VR=10～20KΩ

VCC (+Voltage)

VEE (-Voltage)

VSS (0V)

DMC40457NYJ-LY-D (BE) No.2000-0206

OPTREX CORPORATION

OPTREX

Page 8/16

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