SoC, METHOD FOR MANAGING POWER OF THEREOF AND ELECTRONIC DEVICE

SoC, there is provided a method of power management and electronic devices. SoC according to an embodiment of the present invention includes: receiving an event outside of the event manager, the event analyzer to determine the voltage, frequency, and power gating to be analyzed in response to events inputted to the event management unit, a power on / off and the voltage control the power management unit to set the power management unit, the clock clock manager, a power main control unit for PG management unit for setting the gating, including at least one module and a CPU, and the determined voltage to set the frequency for setting the start-up voltage of, and , the control of the clock management unit, and controls the PG management unit to set the determined power gating, the power supply and the start clock frequency of the starting voltage to the main control unit to set the determined frequency to a start clock frequency transmitting a clock signal and having, module operative of the at least one module, Only comprises a wake-up control unit which transmits a power gating signal to apply a start-up power supply to said main control unit.