3.2.4 Push Button Switches

The baseboard features four push buttons:

• One reset push button (PB1). When pressed and released, the baseboard is reset.
• One wake-up push button (PB2) connected to the SAMA5D27 WKUP pin, used to exit the processor from Backup mode.
• One power-on button (PB3).

• One user momentary push button (PB4) connected to PIO PA29, and optionally to PIOBU1.

The wake-up is available only if the shutdown controller is used (see figure Shutdown Controller).