ST STM32F2 User Manual

UM1940
LL RTC Generic Driver
DocID028236 Rev 2
1103/1371
Notes
Bits are write-protected. LL_RTC_DisableWriteProtection
function should be called before.
Reference Manual to
LL API cross
reference:
CR COE LL_RTC_CAL_SetOutputFreq
CR COSEL LL_RTC_CAL_SetOutputFreq
LL_RTC_CAL_GetOutputFreq
Function name
__STATIC_INLINE uint32_t LL_RTC_CAL_GetOutputFreq
(RTC_TypeDef * RTCx)
Function description
Get Calibration output frequency (1 Hz or 512 Hz)
Parameters
RTCx: RTC Instance
Return values
Returned: value can be one of the following values:
LL_RTC_CALIB_OUTPUT_NONE
LL_RTC_CALIB_OUTPUT_512HZ
Reference Manual to
LL API cross
reference:
CR COE LL_RTC_CAL_GetOutputFreq
CR COSEL LL_RTC_CAL_GetOutputFreq
LL_RTC_CAL_EnableCoarseDigital
Function name
__STATIC_INLINE void LL_RTC_CAL_EnableCoarseDigital
(RTC_TypeDef * RTCx)
Function description
Enable Coarse digital calibration.
Parameters
RTCx: RTC Instance
Return values
None:
Notes
Bit is write-protected. LL_RTC_DisableWriteProtection
function should be called before.
It can be written in initialization mode only
(LL_RTC_EnableInitMode function)
Reference Manual to
LL API cross
reference:
CR DCE LL_RTC_CAL_EnableCoarseDigital
LL_RTC_CAL_DisableCoarseDigital
Function name
__STATIC_INLINE void LL_RTC_CAL_DisableCoarseDigital
(RTC_TypeDef * RTCx)
Function description
Disable Coarse digital calibration.
Parameters
RTCx: RTC Instance
Return values
None:
Notes
Bit is write-protected. LL_RTC_DisableWriteProtection
function should be called before.
It can be written in initialization mode only
(LL_RTC_EnableInitMode function)
Reference Manual to
CR DCE LL_RTC_CAL_DisableCoarseDigital

ST STM32F2 Specifications

General

Brand	ST
Model	STM32F2
Category	Microcontrollers
Language	English