Description

Clock management unit (CMU) Peripheral API.

This module contains functions for the CMU peripheral of Silicon Labs 32-bit MCUs and SoCs. The CMU module controls oscillators, clocks gates, clock multiplexers, pre-scalers, calibration modules and wait-states.

Data Structures
struct	CMU_LFXOInit_TypeDef
	LFXO initialization structure.

struct	CMU_HFXOInit_TypeDef
	HFXO initialization structure.

Functions
CMU_AUXHFRCOBand_TypeDef	CMU_AUXHFRCOBandGet (void)
	Get the AUXHFRCO band in use.

void	CMU_AUXHFRCOBandSet ( CMU_AUXHFRCOBand_TypeDef band)
	Set the AUXHFRCO band and the tuning value based on the value in the calibration table made during production.

uint32_t	CMU_Calibrate (uint32_t HFCycles, CMU_Osc_TypeDef reference)
	Calibrate the clock.

void	CMU_CalibrateConfig (uint32_t downCycles, CMU_Osc_TypeDef downSel, CMU_Osc_TypeDef upSel)
	Configure the clock calibration.

uint32_t	CMU_CalibrateCountGet (void)
	Get the calibration count register.

void	CMU_ClockEnable ( CMU_Clock_TypeDef clock, bool enable)
	Enable/disable a clock.

CMU_ClkDiv_TypeDef	CMU_ClockDivGet ( CMU_Clock_TypeDef clock)
	Get the clock divisor/prescaler.

void	CMU_ClockDivSet ( CMU_Clock_TypeDef clock, CMU_ClkDiv_TypeDef div)
	Set the clock divisor/prescaler.

uint32_t	CMU_ClockFreqGet ( CMU_Clock_TypeDef clock)
	Get the clock frequency for a clock point.

void	CMU_ClockSelectSet ( CMU_Clock_TypeDef clock, CMU_Select_TypeDef ref)
	Select the reference clock/oscillator used for a clock branch.

CMU_Select_TypeDef	CMU_ClockSelectGet ( CMU_Clock_TypeDef clock)
	Get the currently selected reference clock used for a clock branch.

uint16_t	CMU_LF_ClockPrecisionGet ( CMU_Clock_TypeDef clock)
	Gets the precision (in PPM) of the specified low frequency clock branch.

void	CMU_FreezeEnable (bool enable)
	CMU low frequency register synchronization freeze control.

CMU_HFRCOBand_TypeDef	CMU_HFRCOBandGet (void)
	Get HFRCO band in use.

void	CMU_HFRCOBandSet ( CMU_HFRCOBand_TypeDef band)
	Set HFRCO band and the tuning value based on the value in the calibration table made during production.

uint32_t	CMU_HFRCOStartupDelayGet (void)
	Get the HFRCO startup delay.

void	CMU_HFRCOStartupDelaySet (uint32_t delay)
	Set the HFRCO startup delay.

void	CMU_HFXOInit (const CMU_HFXOInit_TypeDef *hfxoInit)

CMU - Clock Management Unit

Description

Data Structures

Functions