DMC40457N-SEW-B Optrex, DMC40457N-SEW-B Datasheet - Page 8

• Manufacturer Part Number: DMC40457N-SEW-B
• Description: LCD Module
• Manufacturer: Optrex

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4. I/O Terminal
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DMC40457N-SEW-B (BH) No.99-0155
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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
R/W
V
V
V
NC
D7
D6
D5
D4
D3
D2
D1
D0
RS
EL
EL
E1
E2
CC
EE
SS
Level
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
−
−
−
−
−
−
MODULE
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 1 (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 2(No pull-up Resister)
Non-Connection
Power Supply for EL
Power Supply for EL
VR=10∼20KΩ
VCC
VSS
VEE
OPTREX
VR
OPTREX CORPORATION
VCC (+Voltage)
VSS (0V)
Function
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