4.I/O Terminal
4.1.Pin Assignment
No.
1
Symbol
FG
Level
Function
－
Frame Ground
2
VSS
-
Power Supply (0V, GND)
Power Supply for Logic
3
VDD
VCONT
VEE
-
4
-
Voltage Level for LCD Contrast Adjustment
Power Supply for LCD Drive
5
-
6
WR
RD
H / L
H / L
H / L
H / L
Write Signal L : Active
7
Read Signal L : Active
8
CE
Chip Enable Signal L : Active
9
C/D
Write Mode H : Command Write L : Data Write
Read Mode H : Status Read L : Data Read
10
11
12
13
14
15
16
17
18
19
20
HALT
RESET
D0
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
-
Clock Operating Stop Signal L : Halt
Reset Signal L : Reset
Display Data
D1
Display Data
D2
Display Data
D3
Display Data
D4
Display Data
D5
Display Data
D6
Display Data
D7
Display Data
NC
Non-connection
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
VDD (+Voltage)
R1
VR
R2
VCONT
MODULE
VEE
VEE (-Voltage)
VSS (0V)
VSS
W
R1+R2+VR=10~ 20K
DMF5001NYL-ACE-AX (AX) No. 2001-0241
OPTREX CORPORATION
Page 8/16
OPTREX [ OPTREX CORPORATION ]
