block/RTC:
  description: Real-time clock.
  items:
  - name: TR
    description: time register.
    byte_offset: 0
    fieldset: TR
  - name: DR
    description: date register.
    byte_offset: 4
    fieldset: DR
  - name: CR
    description: control register.
    byte_offset: 8
    fieldset: CR
  - name: ISR
    description: initialization and status register.
    byte_offset: 12
    fieldset: ISR
  - name: PRER
    description: prescaler register.
    byte_offset: 16
    fieldset: PRER
  - name: WUTR
    description: wakeup timer register.
    byte_offset: 20
    fieldset: WUTR
  - name: ALRMR
    description: Alarm %s register.
    array:
      len: 2
      stride: 4
    byte_offset: 28
    fieldset: ALRMR
  - name: WPR
    description: write protection register.
    byte_offset: 36
    access: Write
    fieldset: WPR
  - name: SSR
    description: sub second register.
    byte_offset: 40
    access: Read
    fieldset: SSR
  - name: SHIFTR
    description: shift control register.
    byte_offset: 44
    access: Write
    fieldset: SHIFTR
  - name: CALR
    description: calibration register.
    byte_offset: 60
    fieldset: CALR
  - name: TAMPCR
    description: tamper configuration register.
    byte_offset: 64
    fieldset: TAMPCR
  - name: ALRMSSR
    description: Alarm %s sub-second register.
    array:
      len: 2
      stride: 4
    byte_offset: 68
    fieldset: ALRMSSR
  - name: OR
    description: option register.
    byte_offset: 76
    fieldset: OR
  - name: BKPR
    description: backup register.
    array:
      len: 20
      stride: 4
    byte_offset: 80
    fieldset: BKPR
fieldset/ALRMR:
  description: Alarm %s register.
  fields:
  - name: SU
    description: Second units in BCD format.
    bit_offset: 0
    bit_size: 4
  - name: ST
    description: Second tens in BCD format.
    bit_offset: 4
    bit_size: 3
  - name: MSK1
    description: Alarm seconds mask.
    bit_offset: 7
    bit_size: 1
    enum: MSK1
  - name: MNU
    description: Minute units in BCD format.
    bit_offset: 8
    bit_size: 4
  - name: MNT
    description: Minute tens in BCD format.
    bit_offset: 12
    bit_size: 3
  - name: MSK2
    description: Alarm minutes mask.
    bit_offset: 15
    bit_size: 1
    enum: MSK2
  - name: HU
    description: Hour units in BCD format.
    bit_offset: 16
    bit_size: 4
  - name: HT
    description: Hour tens in BCD format.
    bit_offset: 20
    bit_size: 2
  - name: PM
    description: AM/PM notation.
    bit_offset: 22
    bit_size: 1
    enum: ALRMR_PM
  - name: MSK3
    description: Alarm hours mask.
    bit_offset: 23
    bit_size: 1
    enum: MSK3
  - name: DU
    description: Date units or day in BCD format.
    bit_offset: 24
    bit_size: 4
  - name: DT
    description: Date tens in BCD format.
    bit_offset: 28
    bit_size: 2
  - name: WDSEL
    description: Week day selection.
    bit_offset: 30
    bit_size: 1
    enum: WDSEL
  - name: MSK4
    description: Alarm date mask.
    bit_offset: 31
    bit_size: 1
    enum: MSK4
fieldset/ALRMSSR:
  description: Alarm %s sub-second register.
  fields:
  - name: SS
    description: Sub seconds value.
    bit_offset: 0
    bit_size: 15
  - name: MASKSS
    description: Mask the most-significant bits starting at this bit.
    bit_offset: 24
    bit_size: 4
fieldset/BKPR:
  description: backup register.
  fields:
  - name: BKP
    description: BKP.
    bit_offset: 0
    bit_size: 32
fieldset/CALR:
  description: calibration register.
  fields:
  - name: CALM
    description: Calibration minus.
    bit_offset: 0
    bit_size: 9
  - name: CALW16
    description: Use a 16-second calibration cycle period.
    bit_offset: 13
    bit_size: 1
    enum: CALW16
  - name: CALW8
    description: Use an 8-second calibration cycle period.
    bit_offset: 14
    bit_size: 1
    enum: CALW8
  - name: CALP
    description: Increase frequency of RTC by 488.5 ppm.
    bit_offset: 15
    bit_size: 1
    enum: CALP
fieldset/CR:
  description: control register.
  fields:
  - name: WUCKSEL
    description: Wakeup clock selection.
    bit_offset: 0
    bit_size: 3
    enum: WUCKSEL
  - name: TSEDGE
    description: Time-stamp event active edge.
    bit_offset: 3
    bit_size: 1
    enum: TSEDGE
  - name: REFCKON
    description: Reference clock detection enable (50 or 60 Hz).
    bit_offset: 4
    bit_size: 1
    enum: REFCKON
  - name: BYPSHAD
    description: Bypass the shadow registers.
    bit_offset: 5
    bit_size: 1
    enum: BYPSHAD
  - name: FMT
    description: Hour format.
    bit_offset: 6
    bit_size: 1
    enum: FMT
  - name: ALRE
    description: Alarm %s enable.
    bit_offset: 8
    bit_size: 1
    array:
      len: 2
      stride: 1
    enum: ALRE
  - name: WUTE
    description: Wakeup timer enable.
    bit_offset: 10
    bit_size: 1
    enum: WUTE
  - name: TSE
    description: Time stamp enable.
    bit_offset: 11
    bit_size: 1
    enum: TSE
  - name: ALRIE
    description: Alarm %s interrupt enable.
    bit_offset: 12
    bit_size: 1
    array:
      len: 2
      stride: 1
    enum: ALRIE
  - name: WUTIE
    description: Wakeup timer interrupt enable.
    bit_offset: 14
    bit_size: 1
    enum: WUTIE
  - name: TSIE
    description: Time-stamp interrupt enable.
    bit_offset: 15
    bit_size: 1
    enum: TSIE
  - name: ADD1H
    description: Add 1 hour (summer time change).
    bit_offset: 16
    bit_size: 1
    enum: ADD1H
  - name: SUB1H
    description: Subtract 1 hour (winter time change).
    bit_offset: 17
    bit_size: 1
    enum: SUB1H
  - name: BKP
    description: Backup.
    bit_offset: 18
    bit_size: 1
    enum: BKP
  - name: COSEL
    description: Calibration output selection.
    bit_offset: 19
    bit_size: 1
    enum: COSEL
  - name: POL
    description: Output polarity.
    bit_offset: 20
    bit_size: 1
    enum: POL
  - name: OSEL
    description: Output selection.
    bit_offset: 21
    bit_size: 2
    enum: OSEL
  - name: COE
    description: Calibration output enable.
    bit_offset: 23
    bit_size: 1
    enum: COE
  - name: ITSE
    description: timestamp on internal event enable.
    bit_offset: 24
    bit_size: 1
fieldset/DR:
  description: date register.
  fields:
  - name: DU
    description: Date units in BCD format.
    bit_offset: 0
    bit_size: 4
  - name: DT
    description: Date tens in BCD format.
    bit_offset: 4
    bit_size: 2
  - name: MU
    description: Month units in BCD format.
    bit_offset: 8
    bit_size: 4
  - name: MT
    description: Month tens in BCD format.
    bit_offset: 12
    bit_size: 1
    enum: MT
  - name: WDU
    description: Week day units.
    bit_offset: 13
    bit_size: 3
  - name: YU
    description: Year units in BCD format.
    bit_offset: 16
    bit_size: 4
  - name: YT
    description: Year tens in BCD format.
    bit_offset: 20
    bit_size: 4
fieldset/ISR:
  description: initialization and status register.
  fields:
  - name: ALRWF
    description: Alarm %s write flag.
    bit_offset: 0
    bit_size: 1
    array:
      len: 2
      stride: 1
    enum: ALRWF
  - name: WUTWF
    description: Wakeup timer write flag.
    bit_offset: 2
    bit_size: 1
    enum: WUTWF
  - name: SHPF
    description: Shift operation pending.
    bit_offset: 3
    bit_size: 1
    enum: SHPF
  - name: INITS
    description: Initialization status flag.
    bit_offset: 4
    bit_size: 1
    enum: INITS
  - name: RSF
    description: Registers synchronization flag.
    bit_offset: 5
    bit_size: 1
    enum: RSF
  - name: INITF
    description: Initialization flag.
    bit_offset: 6
    bit_size: 1
    enum: INITF
  - name: INIT
    description: Initialization mode.
    bit_offset: 7
    bit_size: 1
    enum: INIT
  - name: ALRF
    description: Alarm %s flag.
    bit_offset: 8
    bit_size: 1
    array:
      len: 2
      stride: 1
    enum: ALRF
  - name: WUTF
    description: Wakeup timer flag.
    bit_offset: 10
    bit_size: 1
    enum: WUTF
  - name: TSF
    description: Time-stamp flag.
    bit_offset: 11
    bit_size: 1
    enum: TSF
  - name: TSOVF
    description: Time-stamp overflow flag.
    bit_offset: 12
    bit_size: 1
    enum: TSOVF
  - name: TAMP1F
    description: Tamper detection flag.
    bit_offset: 13
    bit_size: 1
    enum: TAMP1F
  - name: TAMP2F
    description: RTC_TAMP2 detection flag.
    bit_offset: 14
    bit_size: 1
    enum: TAMP2F
  - name: TAMP3F
    description: RTC_TAMP3 detection flag.
    bit_offset: 15
    bit_size: 1
    enum: TAMP3F
  - name: RECALPF
    description: Recalibration pending Flag.
    bit_offset: 16
    bit_size: 1
    enum: RECALPF
  - name: ITSF
    description: INTERNAL TIME-STAMP FLAG.
    bit_offset: 17
    bit_size: 1
fieldset/OR:
  description: option register.
  fields:
  - name: RTC_ALARM_TYPE
    description: RTC_ALARM on PC13 output type.
    bit_offset: 0
    bit_size: 1
  - name: RTC_OUT_RMP
    description: RTC_OUT remap.
    bit_offset: 1
    bit_size: 1
fieldset/PRER:
  description: prescaler register.
  fields:
  - name: PREDIV_S
    description: Synchronous prescaler factor.
    bit_offset: 0
    bit_size: 15
  - name: PREDIV_A
    description: Asynchronous prescaler factor.
    bit_offset: 16
    bit_size: 7
fieldset/SHIFTR:
  description: shift control register.
  fields:
  - name: SUBFS
    description: Subtract a fraction of a second.
    bit_offset: 0
    bit_size: 15
  - name: ADD1S
    description: Add one second.
    bit_offset: 31
    bit_size: 1
    enum: ADD1S
fieldset/SSR:
  description: sub second register.
  fields:
  - name: SS
    description: Sub second value.
    bit_offset: 0
    bit_size: 16
fieldset/TAMPCR:
  description: tamper configuration register.
  fields:
  - name: TAMP1E
    description: Tamper 1 detection enable.
    bit_offset: 0
    bit_size: 1
  - name: TAMP1TRG
    description: Active level for tamper 1.
    bit_offset: 1
    bit_size: 1
  - name: TAMPIE
    description: Tamper interrupt enable.
    bit_offset: 2
    bit_size: 1
  - name: TAMP2E
    description: Tamper 2 detection enable.
    bit_offset: 3
    bit_size: 1
  - name: TAMP2TRG
    description: Active level for tamper 2.
    bit_offset: 4
    bit_size: 1
  - name: TAMP3E
    description: Tamper 3 detection enable.
    bit_offset: 5
    bit_size: 1
  - name: TAMP3TRG
    description: Active level for tamper 3.
    bit_offset: 6
    bit_size: 1
  - name: TAMPTS
    description: Activate timestamp on tamper detection event.
    bit_offset: 7
    bit_size: 1
  - name: TAMPFREQ
    description: Tamper sampling frequency.
    bit_offset: 8
    bit_size: 3
  - name: TAMPFLT
    description: Tamper filter count.
    bit_offset: 11
    bit_size: 2
  - name: TAMPPRCH
    description: Tamper precharge duration.
    bit_offset: 13
    bit_size: 2
  - name: TAMPPUDIS
    description: TAMPER pull-up disable.
    bit_offset: 15
    bit_size: 1
  - name: TAMP1IE
    description: Tamper 1 interrupt enable.
    bit_offset: 16
    bit_size: 1
  - name: TAMP1NOERASE
    description: Tamper 1 no erase.
    bit_offset: 17
    bit_size: 1
  - name: TAMP1MF
    description: Tamper 1 mask flag.
    bit_offset: 18
    bit_size: 1
  - name: TAMP2IE
    description: Tamper 2 interrupt enable.
    bit_offset: 19
    bit_size: 1
  - name: TAMP2NOERASE
    description: Tamper 2 no erase.
    bit_offset: 20
    bit_size: 1
  - name: TAMP2MF
    description: Tamper 2 mask flag.
    bit_offset: 21
    bit_size: 1
  - name: TAMP3IE
    description: Tamper 3 interrupt enable.
    bit_offset: 22
    bit_size: 1
  - name: TAMP3NOERASE
    description: Tamper 3 no erase.
    bit_offset: 23
    bit_size: 1
  - name: TAMP3MF
    description: Tamper 3 mask flag.
    bit_offset: 24
    bit_size: 1
fieldset/TR:
  description: time register.
  fields:
  - name: SU
    description: Second units in BCD format.
    bit_offset: 0
    bit_size: 4
  - name: ST
    description: Second tens in BCD format.
    bit_offset: 4
    bit_size: 3
  - name: MNU
    description: Minute units in BCD format.
    bit_offset: 8
    bit_size: 4
  - name: MNT
    description: Minute tens in BCD format.
    bit_offset: 12
    bit_size: 3
  - name: HU
    description: Hour units in BCD format.
    bit_offset: 16
    bit_size: 4
  - name: HT
    description: Hour tens in BCD format.
    bit_offset: 20
    bit_size: 2
  - name: PM
    description: AM/PM notation.
    bit_offset: 22
    bit_size: 1
    enum: TR_PM
fieldset/WPR:
  description: write protection register.
  fields:
  - name: KEY
    description: Write protection key.
    bit_offset: 0
    bit_size: 8
fieldset/WUTR:
  description: wakeup timer register.
  fields:
  - name: WUT
    description: Wakeup auto-reload value bits.
    bit_offset: 0
    bit_size: 16
enum/ADD1H:
  bit_size: 1
  variants:
  - name: Add1
    description: Adds 1 hour to the current time. This can be used for summer time change outside initialization mode.
    value: 1
enum/ADD1S:
  bit_size: 1
  variants:
  - name: Add1
    description: Add one second to the clock/calendar.
    value: 1
enum/ALRE:
  bit_size: 1
  variants:
  - name: Disabled
    description: Alarm disabled.
    value: 0
  - name: Enabled
    description: Alarm enabled.
    value: 1
enum/ALRF:
  bit_size: 1
  variants:
  - name: Clear
    description: This flag is cleared by software by writing 0.
    value: 0
  - name: Match
    description: This flag is set by hardware when the time/date registers (RTC_TR and RTC_DR) match the Alarm register (RTC_ALRMxR).
    value: 1
enum/ALRIE:
  bit_size: 1
  variants:
  - name: Disabled
    description: Alarm Interrupt disabled.
    value: 0
  - name: Enabled
    description: Alarm Interrupt enabled.
    value: 1
enum/ALRMR_PM:
  bit_size: 1
  variants:
  - name: AM
    description: AM or 24-hour format.
    value: 0
  - name: PM
    description: PM.
    value: 1
enum/ALRWF:
  bit_size: 1
  variants:
  - name: UpdateNotAllowed
    description: Alarm update not allowed.
    value: 0
  - name: UpdateAllowed
    description: Alarm update allowed.
    value: 1
enum/BKP:
  bit_size: 1
  variants:
  - name: DST_Not_Changed
    description: Daylight Saving Time change has not been performed.
    value: 0
  - name: DST_Changed
    description: Daylight Saving Time change has been performed.
    value: 1
enum/BYPSHAD:
  bit_size: 1
  variants:
  - name: ShadowReg
    description: Calendar values (when reading from RTC_SSR, RTC_TR, and RTC_DR) are taken from the shadow registers, which are updated once every two RTCCLK cycles.
    value: 0
  - name: BypassShadowReg
    description: Calendar values (when reading from RTC_SSR, RTC_TR, and RTC_DR) are taken directly from the calendar counters.
    value: 1
enum/CALP:
  bit_size: 1
  variants:
  - name: NoChange
    description: No RTCCLK pulses are added.
    value: 0
  - name: IncreaseFreq
    description: One RTCCLK pulse is effectively inserted every 2^11 pulses (frequency increased by 488.5 ppm).
    value: 1
enum/CALW16:
  bit_size: 1
  variants:
  - name: Sixteen_Second
    description: When CALW16 is set to ‘1’, the 16-second calibration cycle period is selected.This bit must not be set to ‘1’ if CALW8=1.
    value: 1
enum/CALW8:
  bit_size: 1
  variants:
  - name: Eight_Second
    description: When CALW8 is set to ‘1’, the 8-second calibration cycle period is selected.
    value: 1
enum/COE:
  bit_size: 1
  variants:
  - name: Disabled
    description: Calibration output disabled.
    value: 0
  - name: Enabled
    description: Calibration output enabled.
    value: 1
enum/COSEL:
  bit_size: 1
  variants:
  - name: CalFreq_512Hz
    description: Calibration output is 512 Hz (with default prescaler setting).
    value: 0
  - name: CalFreq_1Hz
    description: Calibration output is 1 Hz (with default prescaler setting).
    value: 1
enum/FMT:
  bit_size: 1
  variants:
  - name: Twenty_Four_Hour
    description: 24 hour/day format.
    value: 0
  - name: AM_PM
    description: AM/PM hour format.
    value: 1
enum/INIT:
  bit_size: 1
  variants:
  - name: FreeRunningMode
    description: Free running mode.
    value: 0
  - name: InitMode
    description: Initialization mode used to program time and date register (RTC_TR and RTC_DR), and prescaler register (RTC_PRER). Counters are stopped and start counting from the new value when INIT is reset.
    value: 1
enum/INITF:
  bit_size: 1
  variants:
  - name: NotAllowed
    description: Calendar registers update is not allowed.
    value: 0
  - name: Allowed
    description: Calendar registers update is allowed.
    value: 1
enum/INITS:
  bit_size: 1
  variants:
  - name: NotInitalized
    description: Calendar has not been initialized.
    value: 0
  - name: Initalized
    description: Calendar has been initialized.
    value: 1
enum/MSK1:
  bit_size: 1
  variants:
  - name: Mask
    description: Alarm set if the date/day match.
    value: 0
  - name: NotMask
    description: Date/day don’t care in Alarm comparison.
    value: 1
enum/MSK2:
  bit_size: 1
  variants:
  - name: Mask
    description: Alarm set if the date/day match.
    value: 0
  - name: NotMask
    description: Date/day don’t care in Alarm comparison.
    value: 1
enum/MSK3:
  bit_size: 1
  variants:
  - name: Mask
    description: Alarm set if the date/day match.
    value: 0
  - name: NotMask
    description: Date/day don’t care in Alarm comparison.
    value: 1
enum/MSK4:
  bit_size: 1
  variants:
  - name: Mask
    description: Alarm set if the date/day match.
    value: 0
  - name: NotMask
    description: Date/day don’t care in Alarm comparison.
    value: 1
enum/MT:
  bit_size: 1
  variants:
  - name: Zero
    description: Month tens is 0.
    value: 0
  - name: One
    description: Month tens is 1.
    value: 1
enum/OSEL:
  bit_size: 2
  variants:
  - name: Disabled
    description: Output disabled.
    value: 0
  - name: AlarmA
    description: Alarm A output enabled.
    value: 1
  - name: AlarmB
    description: Alarm B output enabled.
    value: 2
  - name: Wakeup
    description: Wakeup output enabled.
    value: 3
enum/POL:
  bit_size: 1
  variants:
  - name: High
    description: The pin is high when ALRAF/ALRBF/WUTF is asserted (depending on OSEL[1:0]).
    value: 0
  - name: Low
    description: The pin is low when ALRAF/ALRBF/WUTF is asserted (depending on OSEL[1:0]).
    value: 1
enum/RECALPF:
  bit_size: 1
  variants:
  - name: Pending
    description: The RECALPF status flag is automatically set to 1 when software writes to the RTC_CALR register, indicating that the RTC_CALR register is blocked. When the new calibration settings are taken into account, this bit returns to 0.
    value: 1
enum/REFCKON:
  bit_size: 1
  variants:
  - name: Disabled
    description: RTC_REFIN detection disabled.
    value: 0
  - name: Enabled
    description: RTC_REFIN detection enabled.
    value: 1
enum/RSF:
  bit_size: 1
  variants:
  - name: R_NotSynced_W_Clear
    description: Calendar shadow registers not yet synchronized.
    value: 0
  - name: Synced
    description: Calendar shadow registers synchronized.
    value: 1
enum/SHPF:
  bit_size: 1
  variants:
  - name: NoShiftPending
    description: No shift operation is pending.
    value: 0
  - name: ShiftPending
    description: A shift operation is pending.
    value: 1
enum/SUB1H:
  bit_size: 1
  variants:
  - name: Sub1
    description: Subtracts 1 hour to the current time. This can be used for winter time change outside initialization mode.
    value: 1
enum/TAMP1F:
  bit_size: 1
  variants:
  - name: Clear
    description: Flag cleared by software writing 0.
    value: 0
  - name: Tampered
    description: This flag is set by hardware when a tamper detection event is detected on the RTC_TAMPx input.
    value: 1
enum/TAMP2F:
  bit_size: 1
  variants:
  - name: Clear
    description: Flag cleared by software writing 0.
    value: 0
  - name: Tampered
    description: This flag is set by hardware when a tamper detection event is detected on the RTC_TAMPx input.
    value: 1
enum/TAMP3F:
  bit_size: 1
  variants:
  - name: Clear
    description: Flag cleared by software writing 0.
    value: 0
  - name: Tampered
    description: This flag is set by hardware when a tamper detection event is detected on the RTC_TAMPx input.
    value: 1
enum/TR_PM:
  bit_size: 1
  variants:
  - name: AM
    description: AM or 24-hour format.
    value: 0
  - name: PM
    description: PM.
    value: 1
enum/TSE:
  bit_size: 1
  variants:
  - name: Disabled
    description: Timestamp disabled.
    value: 0
  - name: Enabled
    description: Timestamp enabled.
    value: 1
enum/TSEDGE:
  bit_size: 1
  variants:
  - name: RisingEdge
    description: RTC_TS input rising edge generates a time-stamp event.
    value: 0
  - name: FallingEdge
    description: RTC_TS input falling edge generates a time-stamp event.
    value: 1
enum/TSF:
  bit_size: 1
  variants:
  - name: Clear
    description: This flag is cleared by software by writing 0.
    value: 0
  - name: TimestampEvent
    description: This flag is set by hardware when a time-stamp event occurs.
    value: 1
enum/TSIE:
  bit_size: 1
  variants:
  - name: Disabled
    description: Time-stamp Interrupt disabled.
    value: 0
  - name: Enabled
    description: Time-stamp Interrupt enabled.
    value: 1
enum/TSOVF:
  bit_size: 1
  variants:
  - name: Clear
    description: This flag is cleared by software by writing 0.
    value: 0
  - name: Overflow
    description: This flag is set by hardware when a time-stamp event occurs while TSF is already set.
    value: 1
enum/WDSEL:
  bit_size: 1
  variants:
  - name: DateUnits
    description: DU[3:0] represents the date units.
    value: 0
  - name: WeekDay
    description: DU[3:0] represents the week day. DT[1:0] is don’t care.
    value: 1
enum/WUCKSEL:
  bit_size: 3
  variants:
  - name: Div16
    description: RTC/16 clock is selected.
    value: 0
  - name: Div8
    description: RTC/8 clock is selected.
    value: 1
  - name: Div4
    description: RTC/4 clock is selected.
    value: 2
  - name: Div2
    description: RTC/2 clock is selected.
    value: 3
  - name: ClockSpare
    description: ck_spre (usually 1 Hz) clock is selected.
    value: 4
  - name: ClockSpareWithOffset
    description: ck_spre (usually 1 Hz) clock is selected and 2^16 is added to the WUT counter value.
    value: 6
enum/WUTE:
  bit_size: 1
  variants:
  - name: Disabled
    description: Wakeup timer disabled.
    value: 0
  - name: Enabled
    description: Wakeup timer enabled.
    value: 1
enum/WUTF:
  bit_size: 1
  variants:
  - name: Clear
    description: This flag is cleared by software by writing 0.
    value: 0
  - name: Zero
    description: This flag is set by hardware when the wakeup auto-reload counter reaches 0.
    value: 1
enum/WUTIE:
  bit_size: 1
  variants:
  - name: Disabled
    description: Wakeup timer interrupt disabled.
    value: 0
  - name: Enabled
    description: Wakeup timer interrupt enabled.
    value: 1
enum/WUTWF:
  bit_size: 1
  variants:
  - name: UpdateNotAllowed
    description: Wakeup timer configuration update not allowed.
    value: 0
  - name: UpdateAllowed
    description: Wakeup timer configuration update allowed.
    value: 1