block/BKP:
  description: Backup registers.
  items:
  - name: DR
    description: Backup data register (BKP_DR).
    array:
      len: 10
      stride: 4
    byte_offset: 0
    fieldset: DR
  - name: RTCCR
    description: RTC clock calibration register (BKP_RTCCR).
    byte_offset: 40
    fieldset: RTCCR
  - name: CR
    description: Backup control register (BKP_CR).
    byte_offset: 44
    fieldset: CR
  - name: CSR
    description: BKP_CSR control/status register (BKP_CSR).
    byte_offset: 48
    fieldset: CSR
  - name: BKP_DR
    description: Backup data register (BKP_DR).
    array:
      len: 32
      stride: 4
    byte_offset: 60
    fieldset: BKP_DR
fieldset/BKP_DR:
  description: Backup data register (BKP_DR).
  fields:
  - name: D
    description: Backup data.
    bit_offset: 0
    bit_size: 16
fieldset/CR:
  description: Backup control register (BKP_CR).
  fields:
  - name: TPE
    description: Tamper pin enable.
    bit_offset: 0
    bit_size: 1
    enum: TPE
  - name: TPAL
    description: Tamper pin active level.
    bit_offset: 1
    bit_size: 1
    enum: TPAL
fieldset/CSR:
  description: BKP_CSR control/status register (BKP_CSR).
  fields:
  - name: CTE
    description: Clear Tamper event.
    bit_offset: 0
    bit_size: 1
    enum: CTE
  - name: CTI
    description: Clear Tamper Interrupt.
    bit_offset: 1
    bit_size: 1
    enum: CTI
  - name: TPIE
    description: Tamper Pin interrupt enable.
    bit_offset: 2
    bit_size: 1
    enum: TPIE
  - name: TEF
    description: Tamper Event Flag.
    bit_offset: 8
    bit_size: 1
  - name: TIF
    description: Tamper Interrupt Flag.
    bit_offset: 9
    bit_size: 1
fieldset/DR:
  description: Backup data register (BKP_DR).
  fields:
  - name: D
    description: Backup data.
    bit_offset: 0
    bit_size: 16
fieldset/RTCCR:
  description: RTC clock calibration register (BKP_RTCCR).
  fields:
  - name: CAL
    description: Calibration value.
    bit_offset: 0
    bit_size: 7
  - name: CCO
    description: Calibration Clock Output.
    bit_offset: 7
    bit_size: 1
  - name: ASOE
    description: Alarm or second output enable.
    bit_offset: 8
    bit_size: 1
    enum: ASOE
  - name: ASOS
    description: Alarm or second output selection.
    bit_offset: 9
    bit_size: 1
    enum: ASOS
enum/ASOE:
  bit_size: 1
  variants:
  - name: Disabled
    description: Disabled.
    value: 0
  - name: Enabled
    description: Setting this bit outputs either the RTC Alarm pulse signal or the Second pulse signal on the TAMPER pin depending on the ASOS bit.
    value: 1
enum/ASOS:
  bit_size: 1
  variants:
  - name: Alarm
    description: RTC Alarm pulse output selected.
    value: 0
  - name: Second
    description: RTC Second pulse output selected.
    value: 1
enum/CTE:
  bit_size: 1
  variants:
  - name: Reset
    description: Reset the TEF Tamper event flag (and the Tamper detector).
    value: 1
enum/CTI:
  bit_size: 1
  variants:
  - name: Clear
    description: Clear the Tamper interrupt and the TIF Tamper interrupt flag.
    value: 1
enum/TPAL:
  bit_size: 1
  variants:
  - name: High
    description: A high level on the TAMPER pin resets all data backup registers (if TPE bit is set).
    value: 0
  - name: Low
    description: A low level on the TAMPER pin resets all data backup registers (if TPE bit is set).
    value: 1
enum/TPE:
  bit_size: 1
  variants:
  - name: General
    description: The TAMPER pin is free for general purpose I/O.
    value: 0
  - name: Alternate
    description: Tamper alternate I/O function is activated.
    value: 1
enum/TPIE:
  bit_size: 1
  variants:
  - name: Disabled
    description: Tamper interrupt disabled.
    value: 0
  - name: Enabled
    description: Tamper interrupt enabled (the TPE bit must also be set in the BKP_CR register.
    value: 1