ST STM32F40 Series User Manual

Real-time clock (RTC) RM0090
663/1422 Doc ID 018909 Rev 4
Refer to Table 2 on page 52 for the register boundary addresses.
0x20
RTC_ALRMBR
MSK4
WDSEL
DT
[1:0]
DU[3:0]
MSK3
PM
HT
[1:0]
HU[3:0]
MSK2
MNT[2:0] MNU[3:0]
MSK2
ST[2:0] SU[3:0]
Reset value 00000000000000000000000000000000
0x24
RTC_WPR
Reserved
KEY[7:0]
Reset value 00000000
0x28
RTC_SSR
Reserved
SS[15:0]
Reset value 0000000000000000
0x2C
RTC_SHIFTR
ADD1S
Reserved
SUBFS[14:0]
Reset value 0 000000000000000
0x30
RTC_TSTR
Reserved
PM
HT[1:0]
HU[3:0]
Reserved
MNT[2:0]
MNU[3:0]
Reserved
ST[2:0] SU[3:0]
Reset value 0000000 0000000 0000000
0x38
RTC_TSSSR
Reserved
SS[15:0]
Reset value 0000000000000000
0x3C
RTC_ CALR
Reserved
CALP
CALW8
CALW16
Reserved
CALM[8:0]
Reset value 000 000000000
0x40
RTC_TAFCR
Reserved
ALARMOUTTYPE
TSINSEL
TA MP 1I NS EL
TAMPPUDIS
TAMPPRCH[1:0]
TAMPFLT[1:0]
TA MP FR EQ [2: 0]
TA MP TS
Reserved
TA MP 2T RG
TA MP 2E
TAM PIE
TA MP 1E TR G
TA MP 1E
Reset value 000000000000 00000
0x44
RTC_
ALRMASSR
Reserved
MASKSS[3:0]
Reserved
SS[14:0]
Reset value 0000 000000000000000
0x48
RTC_
ALRMBSSR
Reserved
MASKSS[3:0]
Reserved
SS[14:0]
Reset value 0000 000000000000000
0x50
to 0x9C
RTC_BKP0R BKP[31:0]
Reset value 00000000000000000000000000000000
to RTC_BKP19R BKP[31:0]
Reset value 00000000000000000000000000000000
Table 99. 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

ST STM32F40 Series Specifications

General

Brand	ST
Model	STM32F40 Series
Category	Microcontrollers
Language	English