PMC: Power Management Controller

Overview

The MCUXpresso SDK provides a peripheral driver for the Power Management Controller (PMC) module of MCUXpresso SDK devices. The PMC module contains internal voltage regulator, power on reset, low-voltage detect system, and high-voltage detect system.

Data Structures
struct	pmc_low_volt_detect_config_t
	Low-voltage Detect Configuration Structure. More...
struct	pmc_low_volt_warning_config_t
	Low-voltage Warning Configuration Structure. More...

Driver version
#define	FSL_PMC_DRIVER_VERSION   (MAKE_VERSION(2, 0, 0))
	PMC driver version. More...

Power Management Controller Control APIs
void	PMC_ConfigureLowVoltDetect (PMC_Type *base, const pmc_low_volt_detect_config_t *config)
	Configures the low-voltage detect setting. More...
static bool	PMC_GetLowVoltDetectFlag (PMC_Type *base)
	Gets the Low-voltage Detect Flag status. More...
static void	PMC_ClearLowVoltDetectFlag (PMC_Type *base)
	Acknowledges clearing the Low-voltage Detect flag. More...
void	PMC_ConfigureLowVoltWarning (PMC_Type *base, const pmc_low_volt_warning_config_t *config)
	Configures the low-voltage warning setting. More...
static bool	PMC_GetLowVoltWarningFlag (PMC_Type *base)
	Gets the Low-voltage Warning Flag status. More...
static void	PMC_ClearLowVoltWarningFlag (PMC_Type *base)
	Acknowledges the Low-voltage Warning flag. More...

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Data Structure Documentation

struct pmc_low_volt_detect_config_t

Data Fields
bool	enableInt
	Enable interrupt when Low-voltage detect.
bool	enableReset
	Enable system reset when Low-voltage detect.

struct pmc_low_volt_warning_config_t

Data Fields
bool	enableInt
	Enable interrupt when low-voltage warning.

Macro Definition Documentation

#define FSL_PMC_DRIVER_VERSION   (MAKE_VERSION(2, 0, 0))

Version 2.0.0.

Function Documentation

void PMC_ConfigureLowVoltDetect	(	PMC_Type *	base,
		const pmc_low_volt_detect_config_t *	config
	)

This function configures the low-voltage detect setting, including the trip point voltage setting, enables or disables the interrupt, enables or disables the system reset.

Parameters

base	PMC peripheral base address.
config	Low-voltage detect configuration structure.

static bool PMC_GetLowVoltDetectFlag ( PMC_Type *  base )

inlinestatic

This function reads the current LVDF status. If it returns 1, a low-voltage event is detected.

Parameters

base	PMC peripheral base address.

Returns

Current low-voltage detect flag

• true: Low-voltage detected
• false: Low-voltage not detected

static void PMC_ClearLowVoltDetectFlag ( PMC_Type *  base )

inlinestatic

This function acknowledges the low-voltage detection errors (write 1 to clear LVDF).

Parameters

base	PMC peripheral base address.

void PMC_ConfigureLowVoltWarning	(	PMC_Type *	base,
		const pmc_low_volt_warning_config_t *	config
	)

This function configures the low-voltage warning setting, including the trip point voltage setting and enabling or disabling the interrupt.

Parameters

base	PMC peripheral base address.
config	Low-voltage warning configuration structure.

static bool PMC_GetLowVoltWarningFlag ( PMC_Type *  base )

inlinestatic

This function polls the current LVWF status. When 1 is returned, it indicates a low-voltage warning event. LVWF is set when V Supply transitions below the trip point or after reset and V Supply is already below the V LVW.

Parameters

base	PMC peripheral base address.

Returns

Current LVWF status

• true: Low-voltage Warning Flag is set.
• false: the Low-voltage Warning does not happen.

static void PMC_ClearLowVoltWarningFlag ( PMC_Type *  base )

inlinestatic

This function acknowledges the low voltage warning errors (write 1 to clear LVWF).

Parameters

base	PMC peripheral base address.