DMC-50448N OPTREX CORPORATION, DMC-50448N Datasheet - Page 7

• Manufacturer Part Number: DMC-50448N
• Description: LCD Module Specification
• Manufacturer: OPTREX CORPORATION

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4.I/O Terminal
No.
10
11
12
13
14
1
2
3
4
5
6
7
8
9
4.1.Pin Assignment
4.2.Example of Power Supply
DMC-50448N (AA) No.99-0094
It is recommended to apply a potentiometer for the contrast adjust due to the tolerance
of the driving voltage and its temperature dependence.
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Symbol
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
R/W
V
V
RS
V
E
DD
SS
0
H,H→L
Level
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
MODULE
－
－
－
VR=10～20KΩ
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
VDD
VSS
V0
VR
OPTREX
OPTREX CORPORATION
VDD (+Voltage)
GND (0V)
Function
Page 7/15
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