DMC-40457 Optrex America Inc, DMC-40457 Datasheet - Page 7

• Manufacturer Part Number: DMC-40457
• Description: LCD MODULE 40X4 CHARACTER
• Manufacturer: Optrex America Inc
• Series: DMC-40457r

Specifications of DMC-40457

• Display Type: TN - Twisted Nematic
• Display Mode: Reflective
• Number Of Digits/alpha: 116
• Outline L X W X H: 190.00mm x 54.00mm x 11.00mm
• Viewing Area: 147.00mm L x 29.50mm W
• Backlight: Without Backlight
• Display Format: 40 x 4
• Character Size: 4.89mm H x 2.78mm W
• Character Format: 5 x 8 Dots
• Voltage - Supply: 5.0V
• Dot Size: 0.50mm W x 0.55mm H
• Interface: Parallel
• Operating Temperature: 0°C ~ 50°C
• Other names: 73-1099; OP440

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
EE
CC
SS
H,H→L
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 ～ 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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