ST STM32F2 User Manual

UM1940
LL RTC Generic Driver
DocID028236 Rev 2
1119/1371
LL_RTC_BKP_DR1
LL_RTC_BKP_DR2
LL_RTC_BKP_DR3
LL_RTC_BKP_DR4
LL_RTC_BKP_DR5
LL_RTC_BKP_DR6
LL_RTC_BKP_DR7
LL_RTC_BKP_DR8
LL_RTC_BKP_DR9
LL_RTC_BKP_DR10
LL_RTC_BKP_DR11
LL_RTC_BKP_DR12
LL_RTC_BKP_DR13
LL_RTC_BKP_DR14
LL_RTC_BKP_DR15
LL_RTC_BKP_DR16
LL_RTC_BKP_DR17
LL_RTC_BKP_DR18
LL_RTC_BKP_DR19
Calibration pulse insertion
LL_RTC_CALIB_INSERTPULSE_NONE
No RTCCLK pulses are added
LL_RTC_CALIB_INSERTPULSE_SET
One RTCCLK pulse is effectively inserted every
2exp11 pulses (frequency increased by 488.5
ppm)
Calibration output
LL_RTC_CALIB_OUTPUT_NONE
Calibration output disabled
LL_RTC_CALIB_OUTPUT_512HZ
Calibration output is 512 Hz
Calibration period
LL_RTC_CALIB_PERIOD_32SEC
Use a 32-second calibration cycle period
LL_RTC_CALIB_PERIOD_16SEC
Use a 16-second calibration cycle period
LL_RTC_CALIB_PERIOD_8SEC
Use a 8-second calibration cycle period
Coarse digital calibration sign
LL_RTC_CALIB_SIGN_POSITIVE
Positive calibration: calendar update frequency is
increased
LL_RTC_CALIB_SIGN_NEGATIVE
Negative calibration: calendar update frequency is
decreased
FORMAT
LL_RTC_FORMAT_BIN
Binary data format

ST STM32F2 Specifications

General

Brand	ST
Model	STM32F2
Category	Microcontrollers
Language	English