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Offset
Register
RTC_PRE
010h
Reset Value
RTC_WKUPT
014h
Reset Value
RTC_ALARMA
DTT[1:0]
01Ch
Reset Value
0
0
0
0
RTC_ALARMB
DTT[1:0]
020h
Reset Value
0
0
0
0
RTC_WRP
024h
Reset Value
RTC_SUBS
028h
Reset Value
RTC_SCTRL
02Ch
Reset Value
0
RTC_TST
030h
Reset Value
RTC_TSD
034h
Reserved
Reset Value
RTC_TSSS
038h
Reset Value
RTC_CALIB
03Ch
Reset Value
RTC_TMPCFG
040h
Reserved
Reset Value
RTC_ALRMASS
044h
Reserved
Reset Value
RTC_ALRMBSS
048h
Reserved
Reset Value
RTC_OPT
04Ch
Reset Value
050h
RTC_BKPx
~
09Ch
Reset Value
0
0
0
0
RTC Calendar Time Register (RTC_TSH)
Address offset: 0x00
Reset value: 0x0000 0000
DIVA[6:0]
Reserved
1
1
1
Reserved
DTU[3:0]
HOT[1:0]
0
0
0
0
0
0
0
0
DTU[3:0]
HOT[1:0]
0
0
0
0
0
0
0
0
Reserved
Reserved
Reserved
HOT[1:0]
Reserved
0
0
0
YRT[3:0]
0
0
0
0
Reserved
Reserved
0
0
0
0
0
MASKSSA[3:0]
0
0
0
0
MASKSSB[3:0]
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
1
1
1
1
HOU[3:0]
MIT[2:0]
0
0
0
0
0
0
0
0
HOU[3:0]
MIT[2:0]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
HOU[3:0]
MIT[2:0]
0
0
0
0
0
0
0
YRU[3:0]
WDU[2:0]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Reserved
0
0
0
Reserved
0
0
0
Reserved
BF[31:0]
0
0
0
0
0
0
0
0
326 / 631
Nations Technologies Inc.
Tel：+86-755-86309900
Email：info@nationstech.com
Address: Nations Tower, #109 Baoshen Road, Hi-tech Park North.
Nanshan District, Shenzhen, 518057, P.R.China
DIVS[14:0]
0
0
0
0
1
1
1
1
WKUPT[15:0]
1
1
1
1
1
1
1
1
MIU[3:0]
SET[2:0]
0
0
0
0
0
0
0
0
MIU[3:0]
SET[2:0]
0
0
0
0
0
0
0
0
PKEY[7:0]
0
0
0
0
SS[15:0]
0
0
0
0
0
0
0
0
SUBF[14:0]
0
0
0
0
0
0
0
0
MIU[3:0]
SET[2:0]
0
0
0
0
0
0
0
MOU[3:0]
DAT[1:0]
0
0
0
0
0
0
SSE[15:0]
0
0
0
0
0
0
0
0
CM[8:0]
Reserved
0
0
0
0
TPFREQ[2:0]
0
0
0
0
0
0
0
0
SSV[14:0]
0
0
0
0
0
0
0
0
SSV[14:0]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
SEU[3:0]
0
0
0
0
SEU[3:0]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
SEU[3:0]
0
0
0
0
DAU[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
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