RM0091 Real-time clock (RTC)
Doc ID 018940 Rev 1 563/742
24.6.12 RTC time-stamp sub second register (RTC_TSSSR)
The content of this register is valid only when RTC_ISR/TSF is set. It is cleared when the
RTC_ISR/TSF bit is reset.
Address offset: 0x38
Power-on reset value: 0x0000 0000
System reset: not affected
Bits 31:16 Reserved, must be kept at reset value
Bits 15:13 WDU[1:0]: Week day units
Bit 12 MT: Month tens in BCD format
Bits 11:8 MU[3:0]: Month units in BCD format
Bits 7:6 Reserved, must be kept at reset value
Bits 5:4 DT[1:0]: Date tens in BCD format
Bit 3:0 DU[3:0]: Date units in BCD format
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res. Res.
1514131211109876543210
SS[15:0]
rrrrrrrrrrrrrrrr
Bits 31:16 Reserved, must be kept at reset value
Bits 15:0 SS: Sub second value
SS[15:0] is the value of the synchronous prescaler’s counter when the timestamp event
occurred.
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