DMC40457 Просмотр технического описания (PDF) - Optrex Corporation

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Компоненты Описание

производитель

DMC40457

LCD Module

Optrex Corporation 

4.I/O Terminal

4.1.Pin Assignment

No.

Symbol

1

D7

2

D6

3

D5

4

D4

5

D3

6

D2

7

D1

8

D0

9

E1

10

R/W

11

RS

12

VEE

13

VSS

14

VCC

15

E2

16

NC

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

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 VSS

VCC (+Voltage)

VSS (0V)

VEE

VR=10～20K Ω

DMC40457 (AA) No.99-0117

OPTREX CORPORATION

OPTREX

Page 7/15

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