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Wake-up Sources

Wake-up sources are used to wake up the system from low power modes: from idle mode to active mode, or from sleep mode to active mode.

Wake-up sources from idle mode to active mode:

  • Reset
  • NVIC Event
  • Debug Event

Wake-up sources from sleep mode to active mode:

  • Bluetooth LE Timer
  • Sleep Timer
  • Real Time Calendar
  • AON GPIO
  • LPCOMP
  • Reset

Users can call the following API in the GR551x Software Development Kit (SDK) to configure wake-up sources:

void pwr_mgmt_wakeup_source_setup(uint32_t wakeup_source);

For more information about configuration of wake-up sources, see GR551x Datasheet.

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