Apex Xavier II+ DO Usage#
DO Usage#
Hardware Specification#
Electrical Characteristics#
Description |
|
|---|---|
Vout |
Output voltage |
GND |
Ground |
emitt |
Abbreviation for Emitter |
colle |
Abbreviation for Collector |
Vout Result |
|
|---|---|
high level=1 |
3.3V |
low level=0 |
0V |
Pin Definition:#
5-way GPIO
Interface |
Pin Number |
Description |
GPIO Node |
|---|---|---|---|
GPIO_C |
3 |
GPIO OUT |
/dev/gpio/do0 |
GPIO_D |
4 |
GPIO OUT |
/dev/gpio/do1 |
GPIO_E |
5 |
GPIO OUT |
/dev/gpio/do2 |
GND |
6-9 |
Ground |
3-way GPIO
Interface |
Pin Number |
Description |
GPIO Node |
|---|---|---|---|
GPIO_H |
1 |
GPIO OUT |
/dev/gpio/do3 |
GND |
6/8 |
Ground |
Method of Application#
The example of using the GPIO interface is as follows.
# Use root
sudo su -
# Set output to high
echo 1 > /sys/class/gpio/<device node>/value
# Example: echo 1 > /sys/class/gpio/gpio339/value
# Set output to low
echo 0 > /sys/class/gpio/<device node>/value
# Example: echo 0 > /sys/class/gpio/gpio339/value