DMC40457N Просмотр технического описания (PDF) - Optrex Corporation

Номер в каталоге

Компоненты Описание

Список матч

DMC40457N

CD 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

N.C.

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

DMC40457N (AN) No.2000-0204

OPTREX CORPORATION

OPTREX

Page 7/15

Share Link: