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Power Management (PM) can be divided in two major sections:
# PM in suspend mode (also called '''suspend to RAM'''): in this mode the CPU is halted, most of it's internal clock are gated, DDR memories are put in self-refresh state and [[Category:Naon|Naon]] can wake up only from a user selected set of peripheral (usually internal timer, GPIO or UART)
# PM in running mode: in this mode most of the SOM is working, only a few clocks are gated and the other are slow down to reduce power consumption. There are different level of clock/power supply settings that the user can choose accordingly to what the application need to do.
