4.I/O Terminal
4.1.Pin Assignment
No.
Symbol
1
FG
2
VSS
3
VCC
4
VADJ
5
VEE
6
WR
7
RD
8
CE
9
C/D
10
HALT
11
RESET
12
D0
13
D1
14
D2
15
D3
16
D4
17
D5
18
D6
19
D7
20
NC
21
LED A
22
LED K
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
H/L
-
-
-
Function
Frame Ground
Power Supply (0V, GND)
Power Supply for Logic
Voltage Level for LCD Contrast Adjustment
Power Supply for LCD Drive
Write Signal L : Active
Read Signal L : Active
Chip Enable Signal L : Active
Write Mode H : Command Write L : Data Write
Read Mode H : Status Read L : Data Read
Clock Operating Stop Signal L : Halt
Reset Signal L : Reset
Display Data
Display Data
Display Data
Display Data
Display Data
Display Data
Display Data
Display Data
Non-connection
LED Anode Terminal
LED Cathode Terminal
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 `20Kƒ ¶
VSS (0V)
DMF5001NF-SLY (AM) No.99-0338
OPTREX CORPORATION
OPTREX
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