Mechanical Buttons

SAM D20 Xplained Pro contains two mechanical buttons. One button is the RESET button connected to the SAM D20 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 1. Mechanical Buttons
Pin on SAM D20 Silkscreen text
RESETN RESET
PA15 SW0
Parent topic: Peripherals