PX4 Instructions
Debug Port
The PX4 System Console and SWD interface run on the FMU Debug port.
The pinouts and connector comply with the Pixhawk Debug Full interface defined in the Pixhawk Connector Standard interface (JST SM10B connector).
Pin
Signal
Volt
1 (red)
Vtref
+3.3V
2 (blk)
Console TX (OUT)
+3.3V
3 (blk)
Console RX (IN)
+3.3V
4 (blk)
SWDIO
+3.3V
5 (blk)
SWCLK
+3.3V
6 (blk)
SWO
+3.3V
7 (blk)
NFC GPIO
+3.3V
8 (blk)
PH11
+3.3V
9 (blk)
nRST
+3.3V
10 (blk)
GND
GND
For information about using this port see:
PX4 System Console (Note, the FMU console maps to USART3).
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