Real-Time Clock (RTC) UM0306
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8.5 RTC register map
RTC registers are mapped as 16-bit addressable registers as described in the table below:
Refer to Table 1 on page 27 for the register boundary addresses.
Table 31.
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
000h
RTC_CRH
Reserved
OWIE
ALRIE
SECIE
Reset Value 000
004h
RTC_CRL
Reserved
RTOFF
CNF
RSF
OWF
ALRF
SECF
Reset Value 100000
008h
RTC_PRLH
Reserved
PRL[19:16]
Reset Value 0000
00Ch
RTC_PRLL
Reserved
PRL[15:0]
Reset Value 1000000000000000
010h
RTC_DIVH
Reserved
DIV[31:16]
Reset Value 0000000000000000
014h
RTC_DIVL
Reserved
DIV[15:0]
Reset Value 1000000000000000
018h RTC_CNTH
Reserved
CNT[13:16]
Reset Value 0000000000000000
01Ch
RTC_CNTL
Reserved
CNT[15:0]
Reset Value 0000000000000000
020h
RTC_ALRH
Reserved
ALR[31:16]
Reset Value 1111111111111111
024h
RTC_ALRL
Reserved
ALR[15:0]
Reset Value 1111111111111111