SAM L22 Xplained Pro

4.2.5 Cortex Debug Connector

SAM L22 Xplained Pro has a 10-pin 50-mil Cortex® Debug Connector that can be used to attach external debuggers to the ATSAML22N18A.

Table 4-11. Cortex Debug Connector
Cortex Debug Connector pin	Pin / Net	Function	Shared functionality
1	VCC_TARGET_P3V3	ATSAML22N18A voltage
2	PA31	SWD data signal	EDBG SWD
3	GND	Ground
4	PA30	SWD clock signal	EDBG SWD
5	GND	Ground
6	-	-
7	-	-
8	-	-
9	GND	Ground
10	RESETN	Target reset signal	Shield, Shield2, and EDBG

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