RM0401 Rev 3 523/771
RM0401 Real-time clock (RTC)
523
Refer to Section 2.2 on page 41 for the register boundary addresses.
Caution: In Table 83, the reset value is the value after a backup domain reset. The majority of the
registers are not affected by a system reset. For more information, refer to Section 21.3.7:
Resetting the RTC.
0x30
RTC_TSTR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
PM
HT[1:0]
HU[3:0]
Res.
MNT[2:0]
MNU[3:0]
Res.
ST[2:0] SU[3:0]
Reset value 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0x38
RTC_TSSSR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
SS[15:0]
Reset value 0 0 0 00000000000 0 0
0x3C
RTC_ CALR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
CALP
CALW8
CALW16
Res.
Res.
Res.
Res.
CALM[8:0]
Reset value 0 0 0 0000000 00
0x40
RTC_TAFCR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
ALARMOUTTYPE
TSINSEL
TAMP1INSEL
TAMPPUDIS
TAMPPRCH[1:0]
TAMPFLT[1:0]
TAMPFREQ[2:0]
TAMPTS
Res.
Res.
TAMP2TRG
TAMP2E
TAMPIE
TAMP1ETRG
TAMP1E
Reset value 0000 0 0 000000 000 00
0x44
RTC_
ALRMASSR
Res.
Res.
Res.
Res.
MASKSS[3:0]
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
SS[14:0]
Reset value 0 0 0 0 0 000000000000 0 0
0x48
RTC_
ALRMBSSR
Res.
Res.
Res.
Res.
MASKSS[3:0]
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
SS[14:0]
Reset value 0 0 0 0 0 000000000000 0 0
0x50
to 0x9C
RTC_BKP0R BKP[31:0]
Reset value 00000 0 0 00 0 0000000 0 000000000000 0 0
to
RTC_BKP19R
BKP[31:0]
Reset value 00000 0 0 00 0 0000000 0 000000000000 0 0
Table 83. RTC register map and reset values (continued)
Offset Register
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
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