DMF-50174 查看數據表（PDF） - Optrex Corporation
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DMF-50174 Datasheet PDF : 18 Pages
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4.I/O Terminal
4.1.Pin Assignment
CN1,CN2
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Symbol
FLM
LP
CP
M
VADJ
VCC
VSS
VEE
D0
D1
D2
D3
DISPOFF
NC
CN3
No.
1
2
3
4
Symbol
FL HOT
NC
NC
FL GND
Level
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
Alternate Signal for LCD Drive
Voltage Level for LCD Contrast Adjustment
Power Supply for Logic
Power Supply (0V, GND)
Power Supply for LCD Drive
Display Data
Display Data
Display Data
Display Data
Display Control Signal H : Display on L : Display off
Non-connection
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.
VCC
VADJ
MODULE
VEE
VCC (+Voltage)
R1
VR
R2
VEE (-Voltage)
VSS
R1+R2+VR=10～20K Ω
VSS (0V)
DMF-50174ZNB-FW (AT) No.2000-0166
OPTREX CORPORATION
OPTREX
Page 10/18
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