DMC40457NY-LY-B OPTREX CORPORATION, DMC40457NY-LY-B Datasheet - Page 8

• Manufacturer Part Number: DMC40457NY-LY-B
• Description: LCD Module
• Manufacturer: OPTREX CORPORATION

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4. I/O Terminal
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DMC40457NY-LY-B (AZ) No.97-0068
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4.1. Pin Assignment
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.
Symbol
LED K
LED A
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
R/W
V
V
V
NC
RS
E1
E2
CC
EE
SS
H, H
H, H
Level
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
MODULE
–
–
–
–
–
–
L
L
VR=10~20 K
Data Bus Line
Data Bus Line
Data Bus Line
Data Bus Line
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
Enable Signal (No pull-up Resister)
Read/Write Select Signal H : Read L : Write
Register Select Signal
Power Supply for LCD Drive
Power Supply (0V, GND)
Power Supply for Logic
Enable Signal (No pull-up Resister)
Non-connection
LED Cathode Terminal
LED Anode Terminal
VCC
VSS
VEE
VR
OPTREX CORPORATION
VCC (+Voltage)
VSS (0V)
Function
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