DMC40457 OPTREX CORPORATION, DMC40457 Datasheet - Page 7

• Manufacturer Part Number: DMC40457
• Description: LCD Module
• Manufacturer: OPTREX CORPORATION

No.
4. I/O Terminal
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
4.1. Pin Assignment
4.2. Example of Power Supply
DMC40457 (AA) No.99-0117
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
E1
E2
CC
EE
SS
H,H→L
H,H→L
MODULE
Level
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
−
−
−
−
VR=10 ∼ 20K Ω
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
VCC
VSS
VEE
VR
OPTREX
OPTREX CORPORATION
VCC (+Voltage)
VSS (0V)
Function
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