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DMC20261 View Datasheet(PDF) - Optrex Corporation

Part NameDMC20261 Optrex
Optrex Corporation Optrex
DescriptionLCD Module Specification
DMC20261 Datasheet PDF : 15 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
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
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
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=1020K Ω
DMC20261 (AA) No.99-0110
OPTREX CORPORATION
OPTREX
Page 7/15
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