PDSW - Power Domain Switchable

PDSW is the switchable power domain. It contains the Event System, Generic Clock Controller, Main Clock Controller, Oscillator Controller, Non-Volatile Memory Controller, DMA Controller, the Device Service Unit, and the ARM core. PDSW also contains a number of peripherals that allow the device to wake up from an interrupt: SERCOM, Timer, ADC, DAC, OPAMP, CCL, PTC.