USER'S MANUAL, VERSION 4.0
17
4.4 GPIO Port Signals
Below figure shows the output and input signal for the GPIO signals.
GPI : Input ports
GPO : Output ports
Fig 4-9 GPIO Input and Output signals
+
5
V
G
P
O
1
(+
)
G
P
I2
(+
)
G
P
O
2
(+
)
G
P
I1
(+
)
GND
G
P
I3
(+
)
G
P
O
3
/G
P
O
4
(-
)
G
P
O
4
(+
)
G
P
O
3
(+
)
G
P
I4
(+
)
G
P
O
1
(-
)
G
P
O
2
(-
)
G
P
I1
/G
P
I3
(
-)
G
P
I2
/G
P
I4
(-
)
