ST STM32F31xx

UM1581
Real-time clock (RTC)
DocID023800 Rev 1
399/584
 #define: RTC_SmoothCalibPlusPulses_Reset ((uint32_t)0x00000000)
The number of RTCCLK pulses subbstited during a 32-second window = CALM[8:0].
RTC_Tamper_Filter_Definitions
 #define: RTC_TamperFilter_Disable ((uint32_t)0x00000000)
Tamper filter is disabled
 #define: RTC_TamperFilter_2Sample ((uint32_t)0x00000800)
Tamper is activated after 2 consecutive samples at the active level
 #define: RTC_TamperFilter_4Sample ((uint32_t)0x00001000)
Tamper is activated after 4 consecutive samples at the active level
 #define: RTC_TamperFilter_8Sample ((uint32_t)0x00001800)
Tamper is activated after 8 consecutive samples at the active leve.
RTC_Tamper_Pins_Definitions
 #define: RTC_Tamper_1 RTC_TAFCR_TAMP1E
Tamper detection enable for input tamper 1
 #define: RTC_Tamper_2 RTC_TAFCR_TAMP2E
Tamper detection enable for input tamper 2
 #define: RTC_Tamper_3 RTC_TAFCR_TAMP3E
Tamper detection enable for input tamper 3
RTC_Tamper_Pin_Precharge_Duration_Definitions
 #define: RTC_TamperPrechargeDuration_1RTCCLK ((uint32_t)0x00000000)
Tamper pins are pre-charged before sampling during 1 RTCCLK cycle
 #define: RTC_TamperPrechargeDuration_2RTCCLK ((uint32_t)0x00002000)
Tamper pins are pre-charged before sampling during 2 RTCCLK cycles
 #define: RTC_TamperPrechargeDuration_4RTCCLK ((uint32_t)0x00004000)
Tamper pins are pre-charged before sampling during 4 RTCCLK cycles