4.I/O Terminal
4.1.Pin Assignment
CN1
No.
Symbol
FGND
GND
VDD
Level
－
Function
Frame Ground
1
2
3
4
5
6
7
8
―
Power Supply (0V, GND)
Power Supply for Logic
―
VEE
―
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
Non-connection
WR
H / L
H / L
H / L
H / L
RD
CE
C/D
NC
RESET
D0
－
9
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
H / L
Reset Signal L : Reset
Display Data
10
11
12
13
14
15
16
17
18
19
20
D1
Display Data
D2
Display Data
D3
Display Data
D4
Display Data
D5
Display Data
D6
Display Data
D7
Display Data
FS
Font Switch H : 6×8 dots L : 8×8 dots
Display Data Reverse Signal H : Reverse L : Normal
RV
CN2
No.
1
Symbol
VFL (HOT)
NC
Level
－
Function
Power Supply for CFL (HOT)
Non-connection
2
－
3
NC
－
Non-connection
4
NC
－
Non-connection
5
VFL (GND)
－
Power Supply for CFL (GND)
DMF-50773NB-FW (AG) No.99-0083
OPTREX CORPORATION
Page 9/17
OPTREX
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