PX4 Instructions

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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:

• SWD Debug Port

• PX4 System Console (Note, the FMU console maps to USART3).

ARKPAB Top Down Photo

ARKPAB Bottom Photo