DMC32131 View Datasheet(PDF) - Optrex Corporation
Part Name
Description
MFG CO.
'DMC32131' PDF : 15 Pages View PDF
4.I/O Terminal
4.1.Pin Assignment
CN1
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Symbol
VSS
VCC
VEE
RS
R/W
E
DB0
DB1
DB2
DB3
DB4
DB5
DB6
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=10～20K Ω
DMC40131* (BA) No.98-0165
OPTREX CORPORATION
OPTREX
Page 8/15
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