4.I/O Terminal
4.1.Pin Assignment
CN1
No.
Symbol
FG
Level
－
Function
Frame Ground
1
2
3
4
5
6
7
8
9
VSS
―
Power Supply (0V, GND)
Power Supply for Logic
VDD
VCONT
VEE
―
―
Voltage Level for LCD Contrast Adjustment
―
Power Supply for LCD Drive
WR
RD
H / L
H / L
H / L
H / L
Command and Data Write Signal
Data and Status Read Signal
CE
Chip Enable Signal
C/D
Write Mode H : Command Write L : Data Write
Read Mode H : Status Read L : Data Read
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
Reset Signal
Data Bus
10
11
12
13
14
15
16
17
18
19
20
D1
Data Bus
D2
Data Bus
D3
Data Bus
D4
Data Bus
D5
Data Bus
D6
Data Bus
D7
Data Bus
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
Ｒ１
ＶＲ
ＶＣＯＮＴ
ＭＯＤＵＬＥ
Ｒ２
ＶＥＥ
ＶＳＳ
ＶＥＥ
ＶＳＳ
Ｒ１＋Ｒ２＋ＶＲ：１０～２０ＫΩ
DMF5001NYL (AC) No.98-0143
OPTREX CORPORATION
Page 8/15
OPTREX
OPTREX [ OPTREX CORPORATION ]
