4.2.2 Mechanical Buttons

SAM D21 Xplained Pro contains two mechanical buttons. One button is the RESET button connected to the SAM D21 reset line and the other is a generic user configurable button. When a button is pressed it will drive the I/O line to GND.

Table 4-5. Mechanical Buttons
Pin on SAM D21Silkscreen text
RESETNRESET
PA15SW0