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=== Energy Mode ===

* EM0 (Run Mode): 114 µA/MHz; All peripherals can be active
* EM1 (Sleep Mode): 48 µA/MHz; All peripherals, including DMA, PRS and memory system, are still available
* EM2 (Deep Sleep Mode):  0.9 µA; High-Frequency Oscillator is turned off, 32.768 kHz oscillator running, selected low energy peripherals (RTC, LEUART, I2C, WDOG, ACMP and PCNT) are still available.  RTC, Power-on Reset, Brown-out Detection and full RAM and CPU retention is also included.
* EM3 (Stop Mode): 0.5 µA;  Low-Frequency Oscillator is disabled, but there is still '''full CPU and RAM retention''', as well as Power-on Reset, '''Pin reset''', '''EM4 wake-up''' and Brown-out Detection. The '''low-power ACMP''', asynchronous external interrupt, PCNT, and '''I2C can wake-up the device'''
* EM4 (Shutoff Mode): 20nA; Pin reset, GPIO pin wake-up, GPIO pin retention and the PowerOn Reset are available. All pins are put into their reset state.

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