22.6.3.3.3 OFF Mode
In Off mode, the device is entirely powered-off.
- Entering Off mode: This mode is entered by selecting the Off mode in the Sleep Configuration register by writing the Sleep Mode bits (SLEEPCFG.SLEEPMODE=OFF), and subsequent execution of the WFI instruction.
- Exiting Off mode: This mode is left by pulling the RESET pin low, or when a power Reset is done.