\n
address_offset : 0x0 Bytes (0x0)
size : 0x400 byte (0x0)
mem_usage : registers
protection :
time of calendar
address_offset : 0x0 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
SECU : Second units in BCD format
bits : 0 - 3 (4 bit)
access : read-write
SECT : Second tens in BCD format
bits : 4 - 6 (3 bit)
access : read-write
MNU : Minute units in BCD format
bits : 8 - 11 (4 bit)
access : read-write
MNT : Minute tens in BCD format
bits : 12 - 14 (3 bit)
access : read-write
HRU : Hour units in BCD format
bits : 16 - 19 (4 bit)
access : read-write
HRT : Hour tens in BCD format
bits : 20 - 21 (2 bit)
access : read-write
PM : AM/PM notation or 24-hour format
bits : 22 - 22 (1 bit)
access : read-write
prescale factor
address_offset : 0x10 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
DIVSYNC : synchronous division factor
bits : 0 - 14 (15 bit)
access : read-write
DIVASYNC : asynchronous division factor
bits : 16 - 22 (7 bit)
access : read-write
alarm 0 register
address_offset : 0x1C Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
SECU : Second units in BCD format.
bits : 0 - 3 (4 bit)
access : read-write
SECT : Second tens in BCD format.
bits : 4 - 6 (3 bit)
access : read-write
SMSK : Alarm 0 seconds mask
bits : 7 - 7 (1 bit)
access : read-write
MNU : Minute units in BCD format.
bits : 8 - 11 (4 bit)
access : read-write
MNT : Minute tens in BCD format.
bits : 12 - 14 (3 bit)
access : read-write
MMSK : Alarm 0 minutes mask
bits : 15 - 15 (1 bit)
access : read-write
HRU : Hour units in BCD format.
bits : 16 - 19 (4 bit)
access : read-write
HRT : Hour tens in BCD format.
bits : 20 - 21 (2 bit)
access : read-write
PM : AM/PM notation
bits : 22 - 22 (1 bit)
access : read-write
HMSK : Alarm 0 hours mask
bits : 23 - 23 (1 bit)
access : read-write
DATEU : Date units or day in BCD format.
bits : 24 - 27 (4 bit)
access : read-write
DATET : Date tens in BCD format.
bits : 28 - 29 (2 bit)
access : read-write
WDSEL : Week day selection
bits : 30 - 30 (1 bit)
access : read-write
DMSK : Alarm 0 date mask
bits : 31 - 31 (1 bit)
access : read-write
Write protection key
address_offset : 0x24 Bytes (0x0)
size : 32 bit
access : write-only
reset_value : 0x0
reset_Mask : 0x0
WPROTKEY : Write protection key
bits : 0 - 7 (8 bit)
access : write-only
Sub second of calendar
address_offset : 0x28 Bytes (0x0)
size : 32 bit
access : read-only
reset_value : 0x0
reset_Mask : 0x0
SS : Sub second value
bits : 0 - 15 (16 bit)
access : read-only
second shift
address_offset : 0x2C Bytes (0x0)
size : 32 bit
access : write-only
reset_value : 0x0
reset_Mask : 0x0
SUBSS : Subtract a fraction of a second
bits : 0 - 14 (15 bit)
access : write-only
ADD1S : Add one second
bits : 31 - 31 (1 bit)
access : write-only
time of timestamp
address_offset : 0x30 Bytes (0x0)
size : 32 bit
access : read-only
reset_value : 0x0
reset_Mask : 0x0
SECU : Second units in BCD format
bits : 0 - 3 (4 bit)
access : read-only
SECT : Second tens in BCD format
bits : 4 - 6 (3 bit)
access : read-only
MNU : Minute units in BCD format.
bits : 8 - 11 (4 bit)
access : read-only
MNT : Minute tens in BCD format.
bits : 12 - 14 (3 bit)
access : read-only
HRU : Hour units in BCD format.
bits : 16 - 19 (4 bit)
access : read-only
HRT : Hour tens in BCD format.
bits : 20 - 21 (2 bit)
access : read-only
PM : AM/PM notation
bits : 22 - 22 (1 bit)
access : read-only
date of timestamp
address_offset : 0x34 Bytes (0x0)
size : 32 bit
access : read-only
reset_value : 0x0
reset_Mask : 0x0
DAYU : Day units in BCD format
bits : 0 - 3 (4 bit)
access : read-only
DAYT : Day tens in BCD format
bits : 4 - 5 (2 bit)
access : read-only
MTHU : Month units in BCD format
bits : 8 - 11 (4 bit)
access : read-only
MTHT : Month tens in BCD format
bits : 12 - 12 (1 bit)
access : read-only
WD : Week day
bits : 13 - 15 (3 bit)
access : read-only
Sub second of timestamp
address_offset : 0x38 Bytes (0x0)
size : 32 bit
access : read-only
reset_value : 0x0
reset_Mask : 0x0
SS : Sub second value when timestamp occur
bits : 0 - 15 (16 bit)
access : read-only
calibration register
address_offset : 0x3C Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
RED : Calibration reduce
bits : 0 - 8 (9 bit)
access : read-write
WIN16 : Use a 16-second calibration cycle period
bits : 13 - 13 (1 bit)
access : read-write
WIN8 : Use an 8-second calibration cycle period
bits : 14 - 14 (1 bit)
access : read-write
INC : Increase frequency of RTC by 488.5 ppm
bits : 15 - 15 (1 bit)
access : read-write
date of calendar
address_offset : 0x4 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
DAYU : Date units in BCD format
bits : 0 - 3 (4 bit)
access : read-write
DAYT : Date tens in BCD format
bits : 4 - 5 (2 bit)
access : read-write
MTHU : Month units in BCD format
bits : 8 - 11 (4 bit)
access : read-write
MTHT : Month tens in BCD format
bits : 12 - 12 (1 bit)
access : read-write
WD : Week day
bits : 13 - 15 (3 bit)
access : read-write
YRU : Year units in BCD format
bits : 16 - 19 (4 bit)
access : read-write
YRT : Year tens in BCD format
bits : 20 - 23 (4 bit)
access : read-write
tamper and other configuration
address_offset : 0x40 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
EN0 : RTC_TAMP0 input detection enable
bits : 0 - 0 (1 bit)
access : read-write
TRIG0 : Active level for RTC_TAMP0 input
bits : 1 - 1 (1 bit)
access : read-write
INTEN : Tamper interrupt enable
bits : 2 - 2 (1 bit)
access : read-write
EN1 : RTC_TAMP1 input detection enable
bits : 3 - 3 (1 bit)
access : read-write
TRIG1 : Active level for RTC_TAMP1 input
bits : 4 - 4 (1 bit)
access : read-write
TS : Activate timestamp on tamper detection event
bits : 7 - 7 (1 bit)
access : read-write
FREQ : Tamper sampling frequency
bits : 8 - 10 (3 bit)
access : read-write
FLT : RTC_TAMPx filter count
bits : 11 - 12 (2 bit)
access : read-write
PRCH : RTC_TAMPx precharge duration
bits : 13 - 14 (2 bit)
access : read-write
PUDIS : RTC_TAMPx pull-up disable
bits : 15 - 15 (1 bit)
access : read-write
PC13VAL : RTC_ALARM output type/PC13 value
bits : 18 - 18 (1 bit)
access : read-write
PC13MOD : PC13 mode
bits : 19 - 19 (1 bit)
access : read-write
PC14VAL : PC14 value
bits : 20 - 20 (1 bit)
access : read-write
PC14MOD : PC14 mode
bits : 21 - 21 (1 bit)
access : read-write
PC15VAL : PC15 value
bits : 22 - 22 (1 bit)
access : read-write
PC15MOD : PC15 mode
bits : 23 - 23 (1 bit)
access : read-write
Alarm 0 subsecond
address_offset : 0x44 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
SS : Alarm 0 Sub seconds value
bits : 0 - 14 (15 bit)
access : read-write
SSMSK : Mask the most-significant bits starting at this bit
bits : 24 - 27 (4 bit)
access : read-write
control register
address_offset : 0x8 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
TSEDGE : Time-stamp event active edge
bits : 3 - 3 (1 bit)
access : read-write
REFEN : RTC_REFEN reference clock detection enable (50 or 60 Hz)
bits : 4 - 4 (1 bit)
access : read-write
BYP : Bypass the shadow registers
bits : 5 - 5 (1 bit)
access : read-write
HRFMT : Hour format
bits : 6 - 6 (1 bit)
access : read-write
ALR0EN : Alarm 0 enable
bits : 8 - 8 (1 bit)
access : read-write
TSEN : timestamp enable
bits : 11 - 11 (1 bit)
access : read-write
ALR0INTEN : Alarm 0 interrupt enable
bits : 12 - 12 (1 bit)
access : read-write
TSINTEN : Time-stamp interrupt enable
bits : 15 - 15 (1 bit)
access : read-write
ADD1H : Add 1 hour (summer time change)
bits : 16 - 16 (1 bit)
access : write-only
SUB1H : Subtract 1 hour (winter time change)
bits : 17 - 17 (1 bit)
access : write-only
DSBKP : daylight saving Backup
bits : 18 - 18 (1 bit)
access : read-write
CALSEL : Calibration output selection
bits : 19 - 19 (1 bit)
access : read-write
OPOL : Output polarity
bits : 20 - 20 (1 bit)
access : read-write
OSEL : Output selection
bits : 21 - 22 (2 bit)
access : read-write
CALOEN : Calibration output enable
bits : 23 - 23 (1 bit)
access : read-write
initialization and status
address_offset : 0xC Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
ALR0WF : Alarm 0 write flag
bits : 0 - 0 (1 bit)
access : read-only
SECSHPF : second Shift operation pending
bits : 3 - 3 (1 bit)
access : read-only
INITSTAT : Initialization status flag
bits : 4 - 4 (1 bit)
access : read-only
SYNCF : shadow Registers synchronization flag
bits : 5 - 5 (1 bit)
access : read-write
INITF : Initialization flag
bits : 6 - 6 (1 bit)
access : read-only
INIT : Initialization mode
bits : 7 - 7 (1 bit)
access : read-write
ALR0F : Alarm 0 flag
bits : 8 - 8 (1 bit)
access : read-write
TSF : Time-stamp flag
bits : 11 - 11 (1 bit)
access : read-write
TSOVF : Time-stamp overflow flag
bits : 12 - 12 (1 bit)
access : read-write
TAMP0F : RTC_TAMP0 detection flag
bits : 13 - 13 (1 bit)
access : read-write
TAMP1F : RTC_TAMP1 detection flag
bits : 14 - 14 (1 bit)
access : read-write
CALPF : calibration pending Flag
bits : 16 - 16 (1 bit)
access : read-only
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