DMC20171NY-LY-B OPTREX [OPTREX CORPORATION], DMC20171NY-LY-B Datasheet - Page 8

• Manufacturer Part Number: DMC20171NY-LY-B
• Description: LCD Module Specification
• Manufacturer: OPTREX [OPTREX CORPORATION]

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4.I/O Terminal
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DMC20171NY-LY-B (AL) No.99-0292
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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
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
R/W
V
V
V
RS
A
K
E
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
MODULE
－
－
－
－
－
VR=10 ～ 20K Ω
Power Supply (0V, GND)
Power Supply for Logic
Power Supply for LCD Drive
Register Select Signal
Read/Write Select Signal H : Read L : Write
Enable Signal (No pull-up Resister)
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
Data Bus Line
Data Bus Line
Data Bus Line
Data Bus Line
LED Anode Terminal
LED Cathode Terminal
VCC
VSS
VEE
VR
OPTREX
OPTREX CORPORATION
VCC (+Voltage)
VSS (0V)
Function
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