DMC-50218 Optrex America Inc, DMC-50218 Datasheet - Page 7

• Manufacturer Part Number: DMC-50218
• Description: LCD MODULE 20X2 CHARACTER
• Manufacturer: Optrex America Inc
• Series: DMC-50218r

Specifications of DMC-50218

• Display Type: TN - Twisted Nematic
• Display Mode: Reflective
• Number Of Digits/alpha: 40
• Outline L X W X H: 116.00mm x 37.00mm x 11.00mm
• Viewing Area: 83.00mm L x 18.60mm W
• Backlight: Without Backlight
• Display Format: 20 x 2
• Character Size: 5.55mm H x 3.20mm W
• Character Format: 5 x 8 Dots
• Voltage - Supply: 5.0V
• Dot Size: 0.60mm W x 0.65mm H
• Operating Temperature: 0°C ~ 50°C
• Interface: -
• Other names: 73-1058; OP220C

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-50218 (AA) No.98-0154
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
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
V
V
V
RS
E
CC
EE
SS
ＭＯＤＵＬＥ
H, H→L
Level
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
－
－
－
ＶＲ：１０～２０ＫΩ
Supply Voltage 0V (GND)
Supply Voltage +5V
Supply Voltage (LCD Drive)
Register Select Input
H : Read L : Write
Enable Signal (No pull-up Resister)
Data Bus Line
Data Bus Line
Data Bus Line
Data Bus Line
Data Bus Line
Data Bus Line
Data Bus Line
Data Bus Line
Ｖ
Ｖ
Ｖ
ＣＣ
ＳＳ
ＥＥ
ＶＲ
OPTREX
OPTREX CORPORATION
Ｖ
ＧＮＤ
Function
ＣＣ
(+5V)
(0V)
Non-connection
at 4-bit operation
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