DMC40457N6 View Datasheet(PDF) - Optrex Corporation
Part Name
Description
MFG CO.
'DMC40457N6' PDF : 15 Pages View PDF
4.I/O Terminal
4.1.Pin Assignment
No.
Symbol
1
DB7
2
DB6
3
DB5
4
DB4
5
DB3
6
DB2
7
DB1
8
DB0
9
E1
10
R/W
11
RS
12
VEE
13
VSS
14
VCC
15
E2
16
N.C.
Level
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H,H→L
H/L
H/L
－
－
－
H,H→L
－
Function
Data Bus Line
Data Bus Line
Data Bus Line
Data Bus Line
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
Enable Signal (No pull-up Resister)
Read/Write Select Signal H : Read L : Write
Register Select Signal
Power Supply for LCD Drive
Power Supply (0V, GND)
Power Supply for Logic
Enable Signal (No pull-up Resister)
Non-connection
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.
VCC
VR
MODULE VSS
VCC (+Voltage)
VSS (0V)
VEE
VR=10～20K Ω
DMC40457N (AN) No.2000-0204
OPTREX CORPORATION
OPTREX
Page 7/15
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