7.Interface Description
JM (left) short , for 8080 MPU family
Pin No.
1
2
3
4
5
6
7~14
15
16
17
18
19
20
Symbol
V
SS
V
DD
V
O
/RD
/WR
A0
DB0~DB7
CS
RES
V
EE
FGND
A
K
Level
0V
5.0V
Ground
Power supply for Logic
Description
(Variable) Driving voltage for LCD
H/L
H/L
H/L
H/L
H/L
H/L
-25V
Active Low=Read data
/WR signal input to select the
write
mode
Active
Low = Write
data
R/W=L, A0=H: Command Write
R/W=H, A0=H: Status Read
Data bus
Chip select ,Active L
Controller reset signal, Active L
Negative voltage output (Optional)
Frame Ground
5.0V
0V
Backlight supply
Backlight ground
A0=L: Data Write
A0=L: Data Read
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