GPIO Summary

GPIO Summary

The following table provides GPIO details such as connector, input, and output modes.
GPIO Summary
Hardware
PIN
Conn.
Iso
Input Mode
Output Mode
Sink PNP
Source NPN
Sink NPN
Source PNP
Push-Pull
Max Current
USB Power
Opto
GPIO0
12 Pin
Yes
Yes
Yes
Yes
Yes
No
50mA
Yes
Opto
GPIO1
12 Pin
Yes
Yes
Yes
Yes
Yes
No
50mA
Yes
Opto
GPIO2
12 Pin
Yes
Yes
Yes
Yes
Yes
No
50mA
Yes
Opto
GPIO3
12 Pin
Yes
Yes
Yes
Yes
Yes
No
50mA
Yes
Digital
GPIO4
12 Pin
No
Yes
No
Yes
2
Yes
2
Yes
100mA
1
No
Digital
GPIO5
12 Pin
No
Yes
No
Yes
2
Yes
2
Yes
100mA
1
No
Digital
GPIO6
5 Pin
No
Yes
No
Yes
2
Yes
2
Yes
100mA
1
No
Digital
GPIO7
5 Pin
No
Yes
No
Yes
2
Yes
2
Yes
100mA
1
No
Digital
GPIO8
5 Pin
No
Yes
No
Yes
2
Yes
2
Yes
100mA
1
No
1
Digital outputs consume power and reduce the power budget available for illumination. Disabling unused output when using PoE is recommended.
2
Push-pull output is compatible with auxiliary equipment having NPN inputs referenced to GND or PNP inputs referenced to DC IN.