ST STM32F31xx

UM1581
Real-time clock (RTC)
DocID023800 Rev 1
383/584
19.2.30 Digital calibration configuration functions
19.2.30.1 RTC_CalibOutputCmd
Function Name
void RTC_CalibOutputCmd ( FunctionalState NewState)
Function Description
Enables or disables the RTC clock to be output through the
relative pin.
Parameters
 NewState : new state of the digital calibration Output. This
parameter can be: ENABLE or DISABLE.
Return values
 None.
Notes
 None.
19.2.30.2 RTC_CalibOutputConfig
Function Name
void RTC_CalibOutputConfig ( uint32_t RTC_CalibOutput)
Function Description
Configures the Calibration Pinout (RTC_CALIB) Selection (1Hz or
512Hz).
Parameters
 RTC_CalibOutput : : Select the Calibration output Selection
. This parameter can be one of the following values:
 RTC_CalibOutput_512Hz : A signal has a regular
waveform at 512Hz.
 RTC_CalibOutput_1Hz : A signal has a regular
waveform at 1Hz.
Return values
 None.
Notes
 None.
19.2.30.3 RTC_SmoothCalibConfig
Function Name
ErrorStatus RTC_SmoothCalibConfig ( uint32_t
RTC_SmoothCalibPeriod, uint32_t
RTC_SmoothCalibPlusPulses, uint32_t
RTC_SmouthCalibMinusPulsesValue)
Function Description
Configures the Smooth Calibration Settings.