---
block/BKP:
  description: Backup registers
  items:
    - name: DR1
      description: Data register bank 1
      array:
        len: 10
        stride: 4
      byte_offset: 0
      fieldset: DR
    - name: RTCCR
      description: RTC clock calibration register
      byte_offset: 40
      fieldset: RTCCR
    - name: CR
      description: Control register
      byte_offset: 44
      fieldset: CR
    - name: CSR
      description: Control/status register
      byte_offset: 48
      fieldset: CSR
    - name: DR2
      description: Data register bank 2
      array:
        len: 32
        stride: 4
      byte_offset: 60
      fieldset: DR
fieldset/DR:
  description: Data register
  fields:
    - name: D
      description: Backup data
      bit_offset: 0
      bit_size: 16
fieldset/CR:
  description: Control register
  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: Control/status register
  fields:
    - name: CTE
      description: Clear Tamper event
      bit_offset: 0
      bit_size: 1
      enum_write: CTEW
    - name: CTI
      description: Clear Tamper Interrupt
      bit_offset: 1
      bit_size: 1
      enum_write: CTIW
    - name: TPIE
      description: "Tamper Pin interrupt\r 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/RTCCR:
  description: RTC clock calibration register
  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
    - name: ASOS
      description: Alarm or second output selection
      bit_offset: 9
      bit_size: 1
      enum: ASOS
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/CTEW:
  bit_size: 1
  variants:
    - name: Reset
      description: Reset the TEF Tamper event flag (and the Tamper detector)
      value: 1
enum/CTIW:
  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