F-51167NCU-FW-AA Datasheet, PDF (10/17 Pages) OPTREX CORPORATION – LCD Module Specification

4.I/O Terminal
4.1.Pin Assignment
CN1
No.
Symbol
1
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
DISP OFF
10
FLM
11
LP
12
CP
13
M
14
VCC1
15
VSS
16
VSS
17
VCC2
18
CN2
VADJ
No.
Symbol
1
CFL HOT
2
NC
3
NC
4
CFL 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
H/L
－
―
―
－
―
Function
Display Data
Display Data
Display Data
Display Data
Display Data
Display Data
Display Data
Display Data
Display Control Signal H : Display on L : Display off
First Line Marker
Data Latch Signal
Clock Signal for Shifting Data
Alternate Signal for LCD Drive
Power Supply for Logic
Power Supply (0V, VSS)
Power Supply (0V, VSS)
Power Supply for LCD Drive
Voltage Level for LCD Contrast Adjustment
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.
3.3V
R1
VADJ
MODULE
VSS
VCC1
VCC2
VR
R2
VSS
VCC1
VCC2
R1+R2+VR=10～20KΩ
F-51167NCU-FW-AA (AA) No.2000-0249
OPTREX CORPORATION
OPTREX
Page 10/17