RM0401
Offset
Register
RTC_TSTR
0x30
Reset value
RTC_TSSSR
0x38
Reset value
RTC_ CALR
0x3C
Reset value
RTC_TAFCR
0x40
Reset value
RTC_
ALRMASSR
0x44
Reset value
RTC_
ALRMBSSR
0x48
Reset value
RTC_BKP0R
Reset value
0
0x50
to 0x9C
to
RTC_BKP19R
Reset value
0
Refer to
Caution:
In
Table
registers are not affected by a system reset. For more information, refer to
Resetting the
Table 83. RTC register map and reset values (continued)
MASKSS[3:0]
0
0
0
0
MASKSS[3:0]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Section 2.2 on page 41
83, the reset value is the value after a backup domain reset. The majority of the
RTC.
HU[3:0]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
BKP[31:0]
0
0
0
0
0
0
0
0
0
BKP[31:0]
0
0
0
0
0
0
0
0
0
for the register boundary addresses.
RM0401 Rev 3
Real-time clock (RTC)
MNU[3:0]
ST[2:0]
0
0
0
0
0 0
0
0 0
SS[15:0]
0
0
0
0
0 0
0
0
0 0
CALM[8:0]
0
0
0
0
0 0
0
0
0
0
0 0
0
SS[14:0]
0
0
0
0
0 0
0
0
0 0
SS[14:0]
0
0
0
0
0 0
0
0
0 0
0
0
0
0
0 0
0
0
0 0
0
0
0
0
0 0
0
0
0 0
Section 21.3.7:
SU[3:0]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
523/771
523
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