參數(shù)資料
型號: DMC-50448N
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): 7/15頁
文件大?。?/td> 165K
代理商: DMC-50448N
DMC-50448N (AA) No.99-0094
OPTREX CORPORATION
Page 7/15
OPTREX
4.I/O Terminal
4.1.Pin Assignment
No.
Symbol
Level
Function
1
V
SS
Power Supply (0V, GND)
2
V
DD
Power Supply for Logic
3
V
0
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,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
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
V0
VSS
VDD (+Voltage)
VR=10
20K
Ω
GND (0V)
VR
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