DMC16204N-LR-B View Datasheet(PDF) - Optek Technology

Part Name

Description

Manufacturer

DMC16204N-LR-B

16characters x 2lines; 5x8dots (1character) 0.3-7.0V 2.0mA LCD module

Optek Technology 

4.I/O Terminal

4.1.Pin Assignment

No.

Symbol

1

VSS

2

VCC

3

VEE

4

RS

5

R/W

6

E

7

DB0

8

DB1

9

DB2

10

DB3

11

DB4

12

DB5

13

DB6

14

DB7

15 K(LED Cathode)

Level

–

–

–

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 (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

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

VR

VCC (+Voltage)

MODULE VSS

VSS (0V)

VEE

VR=10~20KΩ

DMC16204N-LR-B (AI) No.99-0035

OPTREX OPTREX CORPORATION

Page 8/16

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