參數(shù)資料
型號: DMC-50149NYU-LY-B
廠商: Optrex America, Inc.
英文描述: LCD Module
中文描述: 液晶顯示模塊
文件頁數(shù): 9/16頁
文件大?。?/td> 170K
代理商: DMC-50149NYU-LY-B
DMC-50149NYU-LY-B (AB) No.98-0118
OPTREX CORPORATION
Page 9/16
OPTREX
4.I/O Terminal
4.1.Pin Assignment
CN1
No.
Symbol
Level
Function
1
V
SS
Power Supply (0V)
2
V
CC
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
VLED
Power Supply for LED
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
VCC
VEE
VSS
VEE (-Voltage)
VCC (+Voltage)
VR=10
20K
Ω
VSS (0V)
VR
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