DMF-50427NYJ-SLY View Datasheet(PDF) - Optrex Corporation

Part Name

Description

Manufacturer

DMF-50427NYJ-SLY

LCD Module

Optrex Corporation 

4.I/O Terminal

4.1.Pin Assignment

CN1

No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

Symbol

VDD

VSS

VLC

DB0

DB1

DB2

DB3

DB4

DB5

DB6

DB7

CS1

CS2

RST

R/W

D/I

E

FGND

LED A

LED K

Level

－

－

－

H/L

H/L

H/L

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 for Logic

Power Supply (0V, GND)

Power Supply for LCD Drive

Display Data

Display Data

Display Data

Display Data

Display Data

Display Data

Display Data

Display Data

Chip Select Signal L : Active

Chip Select Signal L : Active

Reset Signal L : Reset

Read/Write Select Signal H : Read L : Write

Data/Instraction Select Signal H : Data L : Instraction

Enable Signal (No pull-up Resister)

Frame Ground

LED Anode Terminal

LED Cathode 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

VEE

MODULE

VCC (+Voltage)

R1

Tr

VR

R2

VEE (-Voltage)

VSS

R1+R2+VR=10～20K Ω

Tr=2SA1202 or equivalent

VSS (0V)

DMF-50427NYJ-SLY (AC) No.99-0112

OPTREX CORPORATION

OPTREX

Page 10/18

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