ST STM32F31xx

Real-time clock (RTC)
UM1581
378/584
DocID023800 Rev 1
19.2.26.5 RTC_AlarmSubSecondConfig
Function Name
void RTC_AlarmSubSecondConfig ( uint32_t RTC_Alarm,
uint32_t RTC_AlarmSubSecondValue, uint32_t
RTC_AlarmSubSecondMask)
Function Description
Configures the RTC AlarmA/B Subseconds value and mask.
Parameters
 RTC_Alarm : specifies the alarm to be configured. This
parameter can be one of the following values:
 RTC_Alarm_A : to select Alarm A
 RTC_Alarm_B : to select Alarm B
 RTC_AlarmSubSecondValue : specifies the Subseconds
value. This parameter can be a value from 0 to 0x00007FFF.
 RTC_AlarmSubSecondMask : specifies the Subseconds
Mask. This parameter can be any combination of the following
values:
 RTC_AlarmSubSecondMask_All : All Alarm SS fields
are masked. There is no comparison on sub seconds for
Alarm.
 RTC_AlarmSubSecondMask_SS14_1 : SS[14:1] are
don't care in Alarm comparison. Only SS[0] is compared
 RTC_AlarmSubSecondMask_SS14_2 : SS[14:2] are
don't care in Alarm comparison. Only SS[1:0] are
compared
 RTC_AlarmSubSecondMask_SS14_3 : SS[14:3] are
don't care in Alarm comparison. Only SS[2:0] are
compared
 RTC_AlarmSubSecondMask_SS14_4 : SS[14:4] are
don't care in Alarm comparison. Only SS[3:0] are
compared
 RTC_AlarmSubSecondMask_SS14_5 : SS[14:5] are
don't care in Alarm comparison. Only SS[4:0] are
compared
 RTC_AlarmSubSecondMask_SS14_6 : SS[14:6] are
don't care in Alarm comparison. Only SS[5:0] are
compared
 RTC_AlarmSubSecondMask_SS14_7 : SS[14:7] are
don't care in Alarm comparison. Only SS[6:0] are
compared
 RTC_AlarmSubSecondMask_SS14_8 : SS[14:8] are
don't care in Alarm comparison. Only SS[7:0] are
compared
 RTC_AlarmSubSecondMask_SS14_9 : SS[14:9] are
don't care in Alarm comparison. Only SS[8:0] are
compared
 RTC_AlarmSubSecondMask_SS14_10 : SS[14:10]
are don't care in Alarm comparison. Only SS[9:0] are
compared
 RTC_AlarmSubSecondMask_SS14_11 : SS[14:11]
are don't care in Alarm comparison. Only SS[10:0] are
compared
 RTC_AlarmSubSecondMask_SS14_12 : SS[14:12]