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ST STM32G471 User Manual

ST STM32G471
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Real-time clock (RTC) RM0440
1576/2126 RM0440 Rev 4
35.6.21 RTC register map
Table 336. RTC register map and reset values
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
0x00
RTC_TR
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 0000000 0000000 0000000
0x04
RTC_DR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
YT[3:0] YU[3:0] WDU[2:0]
MT
MU[3:0]
Res.
Res.
DT
[1:0]
DU[3:0]
Reset value 0000000000100001 000001
0x08
RTC_SSR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
SS[15:0]
Reset value 0000000000000000
0x0C
RTC_ICSR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
RECALPF
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
INIT
INITF
RSF
INITS
SHPF
WUT WF
ALRBWF
ALRAWF
Reset value 0 00000111
0x10
RTC_PRER
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
PREDIV_A[6:0] PREDIV_S[14:0]
Reset value 11111110000000011111111
0x14
RTC_WUTR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
WUT[15:0]
Reset value 1111111111111111
0x18
RTC_CR
OUT2EN
TAMPALRM_TYPE
TAMPALRM_PU
Res.
Res.
TAMPOE
TAMPTS
ITSE
COE
O
SEL
[1:0]
POL
COSEL
BKP
SUB1H
ADD1H
TSIE
WUTIE
ALRBIE
ALRAIE
TSE
WUTE
ALRBE
ALRAE
Res.
FMT
BYPSHAD
REFCKON
TSEDGE
WUCK
SEL[2:0]
Reset value 000 0000000000000000000 0000000
0x24
RTC_WPR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
KEY[7:0]
Reset value 00000000
0x28
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 000 000000000
0x2C
RTC_SHIFTR
ADD1S
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
SUBFS[14:0]
Reset value 0 000000000000000
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 0000000 0000000 0000000
0x34
RTC_TSDR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
WDU[1:0]
MT
MU[3:0]
Res.
Res.
DT
[1:0]
DU[3:0]
Reset value 00000000 000000
0x38
RTC_TSSSR
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
Res.
SS[15:0]
Reset value 0000000000000000

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ST STM32G471 Specifications

General IconGeneral
BrandST
ModelSTM32G471
CategoryMicrocontrollers
LanguageEnglish

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