Silicon Labs EFM32: Which API should I use to enter low power mode (EM1-EM4)?

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Silicon Labs EFM32: What API should I use to enter low power modes (EM1-EM4)?

EFx32

EMU in emlib provides a set of related APIs.

When migrating to EM1

EMU_EnterEM1();

When migrating to EM2

EMU_EnterEM2(true); // Restore oscillator and clock settings after waking up (return to original state) EMU_EnterEM2(false); // Do not restore oscillator and clock settings after waking up

When migrating to EM3

EMU_EnterEM3(true); // Restore oscillator and clock settings after waking up (return to original state) EMU_EnterEM3(false); // Do not restore oscillator and clock settings after waking up

When migrating to EM4

EMU_EnterEM4();

See the API documentation for details.

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