
18
Pins in the GPIO port
1 2 3 4 5 6 7 8 9 10
The GPIO (General Purpose Input/Output) port is optional and can be used as
expansion input or output ports by software routines as needed.
Pin NO. Pin Assignment
Definition
1
+V5S
+V5S
2
I/O_BUS_GPIO1
GPIO input
3
I/O_BUS_GPIO2
GPIO output-
4
I/O_BUS_GPIO3
GPIO input
5
I/O_BUS_GPIO4
GPIO output
6
I/O_BUS_GPIO5
GPIO input
7
I/O_BUS_GPIO6
GPIO output
8
I/O_BUS_GPIO7
GPIO input
9
I/O_BUS_GPIO8
GPIO output
10
GND
Ground
GPIO
settings
Input
Ouput
I/O_BUS_GPIO1 GPIO42 0xFFF240 bit2 I/O_BUS_GPIO2 GPIO71 0xFFF270 bit1
I/O_BUS_GPIO3 GPIO50 0xFFF250 bit0 I/O_BUS_GPIO4 GPIO16 0xFFF210 bit6
I/O_BUS_GPIO5 GPIO52 0xFFF250 bit2 I/O_BUS_GPIO6 GPIO75 0xFFF270 bit5
I/O_BUS_GPIO7 GPIO43 0xFFF240 bit3 I/O_BUS_GPIO8 GPIO81 0xFFF280 bit1