Security Monitor(SMON)

Modules
	SMON_Registers

Data Structures
struct	mxc_smon_ext_cfg_t

Enumerations
enum	mxc_smon_ext_sensor_t
enum	mxc_smon_clk_divide_t
enum	mxc_smon_freq_divide_t
enum	mxc_smon_vtm_t
enum	mxc_smon_temp_t
enum	mxc_smon_interrupt_mode_t
enum	mxc_smon_lowpower_mode_t
enum	mxc_smon_busy_t

Functions
void	MXC_SMON_Init (void)
void	MXC_SMON_Shutdown (void)
int	MXC_SMON_ExtSensorEnable (mxc_smon_ext_cfg_t *cfg, uint32_t delay)
int	MXC_SMON_SetSensorFrequency (mxc_smon_ext_cfg_t *cfg)
int	MXC_SMON_SetErrorCount (uint8_t errorCount)
int	MXC_SMON_TempSensorEnable (mxc_smon_temp_t threshold, uint32_t delay)
int	MXC_SMON_SetTempThreshold (mxc_smon_temp_t threshold)
int	MXC_SMON_VoltageMonitorEnable (mxc_smon_vtm_t threshold, uint32_t delay)
int	MXC_SMON_SetVTMThreshold (mxc_smon_vtm_t threshold)
int	MXC_SMON_ActiveDieShieldEnable (uint32_t delay)
int	MXC_SMON_SelfDestructByteEnable (mxc_smon_ext_cfg_t *cfg, uint32_t delay)
void	MXC_SMON_EnablePUFTrimErase (void)
void	MXC_SMON_DisablePUFTrimErase (void)
int	MXC_SMON_DigitalFaultDetectorEnable (mxc_smon_interrupt_mode_t interruptMode, mxc_smon_lowpower_mode_t lowPowerMode, uint32_t delay)
uint32_t	MXC_SMON_GetFlags (void)
void	MXC_SMON_ClearFlags (uint32_t flags)
void	MXC_SMON_ExtSensorLock (void)
void	MXC_SMON_IntSensorLock (void)
int	MXC_SMON_isBusy (mxc_smon_busy_t reg, uint32_t delay)

Detailed Description

---

Data Structure Documentation

mxc_smon_ext_cfg_t

struct mxc_smon_ext_cfg_t

The information required to configure an external sensor.

Enumeration Type Documentation

mxc_smon_interrupt_mode_t

enum mxc_smon_interrupt_mode_t

Digital Fault Interrupt mode.

Enumerator
SMON_DFD_INTERRUPT_NMI	DRS/NMI.
SMON_DFD_INTERRUPT_PFW	PFW IRQ.

mxc_smon_lowpower_mode_t

enum mxc_smon_lowpower_mode_t

Digital Fault Low Power mode.

Enumerator
SMON_DFD_LOWPOWER_ENABLE	DFD enabled during LowPower mode.
SMON_DFD_LOWPOWER_DISABLE	DFD disabled during LowPower mode.

mxc_smon_temp_t

enum mxc_smon_temp_t

Temperature Sensor Thresholds.

Enumerator
SMON_TEMP_THRESHOLD_NEG_50	-50 *C
SMON_TEMP_THRESHOLD_NEG_30	-30 *C

mxc_smon_vtm_t

enum mxc_smon_vtm_t

Voltage Monitor Thresholds.

Enumerator
SMON_VTM_THRESHOLD_1_6	1.6 V
SMON_VTM_THRESHOLD_2_2	2.2 V
SMON_VTM_THRESHOLD_2_8	2.8 V

Function Documentation

MXC_SMON_ActiveDieShieldEnable()

int MXC_SMON_ActiveDieShieldEnable

(

uint32_t

delay

)

Enbale Active Die Shield Monitoring.

Parameters

delay

timeout delay

Returns

int see Error Codes for a list of return codes

MXC_SMON_ClearFlags()

void MXC_SMON_ClearFlags

(

uint32_t

flags

)

Clear flags set in Security Alarm Register.

Parameters

flags

flags to clear from Security Alarm register

MXC_SMON_DigitalFaultDetectorEnable()

int MXC_SMON_DigitalFaultDetectorEnable	(	mxc_smon_interrupt_mode_t	interruptMode,
		mxc_smon_lowpower_mode_t	lowPowerMode,
		uint32_t	delay
	)

Enbale Digital Fault Detector.

Parameters

interruptMode	interrupt mode, mxc_smon_interrupt_mode_t
lowPowerMode	low power mode, mxc_smon_lowpower_mode_t
delay	timeout delay

Returns

int see Error Codes for a list of return codes

MXC_SMON_ExtSensorEnable()

int MXC_SMON_ExtSensorEnable	(	mxc_smon_ext_cfg_t *	cfg,
		uint32_t	delay
	)

Enables desired External Sensor.

Parameters

cfg	configuration for setting up external sensor
delay	timeout delay

Returns

int see Error Codes for a list of return codes

MXC_SMON_GetFlags()

uint32_t MXC_SMON_GetFlags

(

void

)

Get Flags set in Security Alarm Register.

Returns

uint32_t SECALM register

MXC_SMON_isBusy()

int MXC_SMON_isBusy	(	mxc_smon_busy_t	reg,
		uint32_t	delay
	)

Checks if the registers are busy before wirting to it.

Parameters

reg	see mxc_smon_busy_t for registers
delay	timeout delay

Returns

int see Error Codes for a list of return codes

MXC_SMON_SelfDestructByteEnable()

int MXC_SMON_SelfDestructByteEnable	(	mxc_smon_ext_cfg_t *	cfg,
		uint32_t	delay
	)

Enable Self Destruct Byte on External Sensor 0.

Parameters

cfg	configuration for setting up SDBE, mxc_smon_ext_cfg_t
delay	timeout delay

Returns

int see Error Codes for a list of return codes

MXC_SMON_SetErrorCount()

int MXC_SMON_SetErrorCount

(

uint8_t

errorCount

)

Set number of acceptable errors for external sensor.

Parameters

errorCount

Error count 0 - 31

Returns

int see Error Codes for a list of return codes

MXC_SMON_SetSensorFrequency()

int MXC_SMON_SetSensorFrequency

(

mxc_smon_ext_cfg_t *

cfg

)

Set frequency for external frequency.

Parameters

cfg	configuration for setting up external sensor

Returns

int see Error Codes for a list of return codes

MXC_SMON_SetTempThreshold()

int MXC_SMON_SetTempThreshold

(

mxc_smon_temp_t

threshold

)

Set Temperature Threshold.

Parameters

threshold

temperature threshold, mxc_smon_temp_t

Returns

int see Error Codes for a list of return codes

MXC_SMON_SetVTMThreshold()

int MXC_SMON_SetVTMThreshold

(

mxc_smon_vtm_t

threshold

)

Set Voltage Monitor Threshold.

Parameters

threshold

voltage threshold, mxc_smon_vtm_t

Returns

int see Error Codes for a list of return codes

MXC_SMON_TempSensorEnable()

int MXC_SMON_TempSensorEnable	(	mxc_smon_temp_t	threshold,
		uint32_t	delay
	)

Enable Temperature Sensor.

Parameters

threshold	temperatue threshold, mxc_smon_temp_t
delay	timeout delay

Returns

int see Error Codes for a list of return codes

MXC_SMON_VoltageMonitorEnable()

int MXC_SMON_VoltageMonitorEnable	(	mxc_smon_vtm_t	threshold,
		uint32_t	delay
	)

Enable Voltage Monitor.

Parameters

threshold	voltage threshold, mxc_smon_vtm_t
delay	timeout delay

Returns

int see Error Codes for a list of return codes