4.I/O Terminal
4.1.Pin Assignment
No.
Symbol
1
VDD
2
VSS
3
VEE
4
LP
5
M
6
DISPOFF
7
NC
8
FLM
9
CP
10
NC
11
D0
12
D1
13
D2
14
D3
15
EL
16
EL
Level
―
―
―
H/L
H/L
H/L
-
H/L
H/L
-
H/L
H/L
H/L
H/L
-
-
Function
Power Supply for Logic
Power Supply (0V, GND)
Power Supply for LCD Drive
Data Latch Signal
Alternate Signal for LCD Drive
Display Control Signal H : Display on L : Display off
Non-connection
First Line Marker
Clock Signal for Shifting Data
Non-connection
Display Data
Display Data
Display Data
Display Data
Power Supply for EL
Power Supply for EL
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.
VDD
VEE
MODULE
VDD (+Voltage)
Tr
R1
VR
R2
VEE (-Voltage)
VSS
R1+R2+VR=10~20KΩ
Tr=2SA1202 or equivalent
VSS (0V)
DMF682ANF-EW (AD) No.2000-0055
OPTREX CORPORATION
OPTREX
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