DMF-50944NCU-FW-2 View Datasheet(PDF) - Optrex Corporation
Part Name
Description
MFG CO.
'DMF-50944NCU-FW-2' PDF : 17 Pages View PDF
4.I/O Terminal
4.1.Pin Assignment
CN6
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Symbol
FLM
LP
CP
DISPOFF
VDD
VSS
VLCD
D0
D1
D2
D3
D4
D5
D6
D7
VSS
CN7
No.
1
2
3
4
Symbol
HOT
NC
NC
GND
Level
H/L
H/L
H/L
H/L
―
―
―
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
―
Function
First Line Marker
Data Latch Signal
Clock Signal for Shifting Data
Display Control Signal H : Display on L : Display off
Power Supply for Logic
Power Supply (0V, GND)
Voltage Level for LCD Contrast Adjustment
Display Data
Display Data
Display Data
Display Data
Display Data
Display Data
Display Data
Display Data
Power Supply (0V, GND)
Level
－
－
－
－
Function
Power Supply for CFL (HOT)
Non-connection
Non-connection
Power Supply for CFL (GND)
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.
VLCD
MODULE
VSS
VLCD(+Voltage)
Tr
R1
VR
R2
VSS (0V)
VCC
VCC (+Voltage)
R1+R2+VR=10～20KΩ
DMF-50944NCU-FW-2 (AC) No.2000-0172
OPTREX CORPORATION
OPTREX
Page 10/17
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