Driver for the SUPC (Supply Controller).

This driver provides access to the main features of the Supply Controller.

Functions
void	supc_backup_sram_off (Supc *p_supc)
	SRAM Off In Backup Mode. More...

void	supc_backup_sram_on (Supc *p_supc)
	SRAM On In Backup Mode. More...

void	supc_disable_backup_power_on_reset (Supc *p_supc)
	Disable Backup Area Power-On Reset. More...

void	supc_disable_brownout_detector (Supc *p_supc)
	Disable the core brownout detector. More...

void	supc_disable_brownout_reset (Supc *p_supc)
	Disable the assertion of core reset signal when a brownout detection occurs. More...

void	supc_disable_monitor_interrupt (Supc *p_supc)
	Disable the assertion of SUPC interrupt signal when a supply monitor detection occurs. More...

void	supc_disable_monitor_reset (Supc *p_supc)
	Disable the assertion of core reset signal when a supply monitor detection occurs. More...

void	supc_disable_voltage_regulator (Supc *p_supc)
	Disable the internal voltage regulator to supply VDDCORE with an external supply. More...

void	supc_enable_backup_mode (Supc *p_supc)
	Switch off the voltage regulator to put the device in backup mode. More...

void	supc_enable_backup_power_on_reset (Supc *p_supc)
	Enable Backup Area Power-On Reset. More...

void	supc_enable_brownout_detector (Supc *p_supc)
	Enable the core brownout detector. More...

void	supc_enable_brownout_reset (Supc *p_supc)
	Enable the assertion of core reset signal when a brownout detection occurs. More...

void	supc_enable_monitor_interrupt (Supc *p_supc)
	Enable the assertion of SUPC interrupt signal when a supply monitor detection occurs. More...

void	supc_enable_monitor_reset (Supc *p_supc)
	Enable the assertion of the core reset signal when a supply monitor detection occurs. More...

void	supc_enable_voltage_regulator (Supc *p_supc)
	Enable the internal voltage regulator. More...

enum slcdc_power_mode	supc_get_slcd_power_mode (Supc *p_supc)
	Get SLCD power mode. More...

uint32_t	supc_get_status (Supc *p_supc)
	Get supply controller status. More...

void	supc_set_monitor_sampling_period (Supc *p_supc, uint32_t ul_period)
	Set Supply monitor sampling period. More...

void	supc_set_monitor_threshold (Supc *p_supc, uint32_t ul_threshold)
	Set Supply monitor threshold. More...

void	supc_set_regulator_trim_factory (Supc *p_supc)
	Set the internal voltage regulator to use factory trim value. More...

void	supc_set_regulator_trim_user (Supc *p_supc, uint32_t value)
	Set the internal voltage regulator trim value. More...

void	supc_set_slcd_power_mode (Supc *p_supc, enum slcdc_power_mode mode)
	Set SLCD power mode. More...

void	supc_set_slcd_vol (Supc *p_supc, uint32_t vol)
	Set LCD Voltage Regulator Output. More...

void	supc_set_wakeup_inputs (Supc *p_supc, uint32_t ul_inputs, uint32_t ul_transition)
	Set system controller wake up inputs. More...

void	supc_set_wakeup_mode (Supc *p_supc, uint32_t ul_mode)
	Set system controller wake up mode. More...

void	supc_switch_sclk_to_32kxtal (Supc *p_supc, uint32_t ul_bypass)
	Switch slow clock source selection to external 32k (Xtal or Bypass) oscillator. More...

void supc_backup_sram_off ( Supc * p_supc )

SRAM Off In Backup Mode.

Parameters

p_supc Pointer to a SUPC instance.

References SUPC_MR_KEY_PASSWD.

void supc_backup_sram_on ( Supc * p_supc )

SRAM On In Backup Mode.

Parameters

p_supc Pointer to a SUPC instance.

References SUPC_MR_KEY_PASSWD.

void supc_disable_backup_power_on_reset ( Supc * p_supc )

Disable Backup Area Power-On Reset.

Parameters

p_supc Pointer to a SUPC instance.

References SUPC_MR_KEY_PASSWD.

void supc_disable_brownout_detector ( Supc * p_supc )

Disable the core brownout detector.

Parameters

p_supc Pointer to a SUPC instance.

References SUPC_MR_KEY_PASSWD.

Referenced by init_chip().

void supc_disable_brownout_reset ( Supc * p_supc )

Disable the assertion of core reset signal when a brownout detection occurs.

Parameters

p_supc Pointer to a SUPC instance.

References SUPC_MR_KEY_PASSWD.

void supc_disable_monitor_interrupt ( Supc * p_supc )

Disable the assertion of SUPC interrupt signal when a supply monitor detection occurs.

Parameters

p_supc Pointer to a SUPC instance.

void supc_disable_monitor_reset ( Supc * p_supc )

Disable the assertion of core reset signal when a supply monitor detection occurs.

Parameters

p_supc Pointer to a SUPC instance.

void supc_disable_voltage_regulator ( Supc * p_supc )

Disable the internal voltage regulator to supply VDDCORE with an external supply.

Parameters

p_supc Pointer to a SUPC instance.

References SUPC_MR_KEY_PASSWD.

void supc_enable_backup_mode ( Supc * p_supc )

Switch off the voltage regulator to put the device in backup mode.

Parameters

p_supc Pointer to a SUPC instance.

References SUPC_CR_KEY_PASSWD, and UNUSED.

void supc_enable_backup_power_on_reset ( Supc * p_supc )

Enable Backup Area Power-On Reset.

Parameters

p_supc Pointer to a SUPC instance.

References SUPC_MR_KEY_PASSWD.

void supc_enable_brownout_detector ( Supc * p_supc )

Enable the core brownout detector.

Parameters

p_supc Pointer to a SUPC instance.

References SUPC_MR_KEY_PASSWD.

void supc_enable_brownout_reset ( Supc * p_supc )

Enable the assertion of core reset signal when a brownout detection occurs.

Parameters

p_supc Pointer to a SUPC instance.

References SUPC_MR_KEY_PASSWD.

void supc_enable_monitor_interrupt ( Supc * p_supc )

Enable the assertion of SUPC interrupt signal when a supply monitor detection occurs.

Parameters

p_supc Pointer to a SUPC instance.

void supc_enable_monitor_reset ( Supc * p_supc )

Enable the assertion of the core reset signal when a supply monitor detection occurs.

Parameters

p_supc Pointer to a SUPC instance.

void supc_enable_voltage_regulator ( Supc * p_supc )

Enable the internal voltage regulator.

Parameters

p_supc Pointer to a SUPC instance.

References SUPC_MR_KEY_PASSWD.

enum slcdc_power_mode supc_get_slcd_power_mode ( Supc * p_supc )

Get SLCD power mode.

Parameters

p_supc Pointer to a SUPC instance.

Returns: The mode of SLCDC.

Referenced by supc_set_slcd_power_mode().

uint32_t supc_get_status ( Supc * p_supc )

Get supply controller status.

Parameters

p_supc Pointer to a SUPC instance.

Returns: The status of supply controller.

Referenced by supc_set_slcd_power_mode().

void supc_set_monitor_sampling_period	(	Supc *	p_supc,
		uint32_t	ul_period
	)

Set Supply monitor sampling period.

Parameters

p_supc	Pointer to a SUPC instance.
ul_period	Supply monitor sampling period.

void supc_set_monitor_threshold	(	Supc *	p_supc,
		uint32_t	ul_threshold
	)

Set Supply monitor threshold.

Parameters

p_supc	Pointer to a SUPC instance.
ul_threshold	Supply monitor threshold (between 1.9V and 3.4V).

void supc_set_regulator_trim_factory ( Supc * p_supc )

Set the internal voltage regulator to use factory trim value.

Parameters

p_supc Pointer to a SUPC instance.

References SUPC_MR_KEY_PASSWD.

void supc_set_regulator_trim_user	(	Supc *	p_supc,
		uint32_t	value
	)

Set the internal voltage regulator trim value.

Parameters

p_supc	Pointer to a SUPC instance.
value	the trim value.

Note: For the trim value in 96M PLL, please read the value in flash unique identifier area.

References SUPC_MR_KEY_PASSWD.

void supc_set_slcd_power_mode	(	Supc *	p_supc,
		enum slcdc_power_mode	mode
	)

Set SLCD power mode.

Parameters

p_supc	Pointer to a SUPC instance.
mode	The mode of SLCDC.

References SLCDC_POWER_MODE_LCDOFF, SLCDC_POWER_MODE_LCDON_EXTVR, SLCDC_POWER_MODE_LCDON_INVR, supc_get_slcd_power_mode(), supc_get_status(), and SUPC_MR_KEY_PASSWD.

void supc_set_slcd_vol	(	Supc *	p_supc,
		uint32_t	vol
	)

Set LCD Voltage Regulator Output.

Parameters

p_supc	Pointer to a SUPC instance.
vol	The voltage of Regulator Output.

References SUPC_MR_KEY_PASSWD.

void supc_set_wakeup_inputs	(	Supc *	p_supc,
		uint32_t	ul_inputs,
		uint32_t	ul_transition
	)

Set system controller wake up inputs.

Parameters

p_supc	Pointer to a SUPC instance.
ul_inputs	Bitmask of wake-up inputs that can force wake up of the core power supply.
ul_transition	Bitmask of level transition of the wake-up inputs. 1 means a high-to-low level transition forces the wake up of core power supply. 0 means a low-to-high level transition forces the wake up of core power supply.

void supc_set_wakeup_mode	(	Supc *	p_supc,
		uint32_t	ul_mode
	)

Set system controller wake up mode.

Parameters

p_supc	Pointer to a SUPC instance.
ul_mode	Bitmask of wake up mode (please refer to datasheet for more details).

void supc_switch_sclk_to_32kxtal	(	Supc *	p_supc,
		uint32_t	ul_bypass
	)

Switch slow clock source selection to external 32k (Xtal or Bypass) oscillator.

This function disables the PLLs.

Note: Switching sclk back to 32krc is only possible by shutting down the VDDIO power supply.

Parameters

ul_bypass 0 for Xtal, 1 for bypass.

References SUPC_CR_KEY_PASSWD, and SUPC_MR_KEY_PASSWD.

Microchip® Advanced Software Framework

Functions