參數(shù)資料
型號: DMC20481NY-LY-AGE
廠商: Optrex America, Inc.
英文描述: LCD Module Specification
中文描述: 液晶顯示模塊規(guī)格
文件頁數(shù): 8/16頁
文件大?。?/td> 180K
代理商: DMC20481NY-LY-AGE
DMC20481NY-LY-AGE (BA) No.99-0210
OPTREX CORPORATION
Page 8/16
OPTREX
4.I/O Terminal
4.1.Pin Assignment
CN1
No.
Symbol
Level
Function
1
V
SS
Power Supply (0V, GND)
2
V
DD
Power Supply for Logic
3
V
EE
Power Supply for LCD Drive
4
RS
H / L
Register Select Signal
5
R/W
H / L
Read/Write Select Signal H : Read L : Write
6
E
H / L
Enable Signal (No pull-up Resister)
7
DB0
H / L
Data Bus Line / Non-connection at 4-bit operation
8
DB1
H / L
Data Bus Line / Non-connection at 4-bit operation
9
DB2
H / L
Data Bus Line / Non-connection at 4-bit operation
10
DB3
H / L
Data Bus Line / Non-connection at 4-bit operation
11
DB4
H / L
Data Bus Line
12
DB5
H / L
Data Bus Line
13
DB6
H / L
Data Bus Line
14
DB7
H / L
Data Bus Line
15
LED : ANODE
LED Anode Terminal
16
LED : CATHODE
LED Cathode Terminal
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.
MODULE
VDD
VEE
VSS
VDD (+Voltage)
VR=10
20K
Ω
VSS (0V)
VR
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