---
block/RTC:
  description: Real-time clock
  items:
    - name: CRH
      description: Control Register High
      byte_offset: 0
      fieldset: CRH
    - name: CRL
      description: Control Register Low
      byte_offset: 4
      fieldset: CRL
    - name: PRLH
      description: Prescaler Load Register High
      byte_offset: 8
      access: Write
      fieldset: PRLH
    - name: PRLL
      description: Prescaler Load Register Low
      byte_offset: 12
      access: Write
      fieldset: PRLL
    - name: DIVH
      description: Prescaler Divider Register High
      byte_offset: 16
      access: Read
      fieldset: DIVH
    - name: DIVL
      description: Prescaler Divider Register Low
      byte_offset: 20
      access: Read
      fieldset: DIVL
    - name: CNTH
      description: Counter Register High
      byte_offset: 24
      fieldset: CNTH
    - name: CNTL
      description: Counter Register Low
      byte_offset: 28
      fieldset: CNTL
    - name: ALRH
      description: Alarm Register High
      byte_offset: 32
      access: Write
      fieldset: ALRH
    - name: ALRL
      description: Alarm Register Low
      byte_offset: 36
      access: Write
      fieldset: ALRL
fieldset/ALRH:
  description: Alarm Register High
  fields:
    - name: ALRH
      description: Alarm register high
      bit_offset: 0
      bit_size: 16
fieldset/ALRL:
  description: Alarm Register Low
  fields:
    - name: ALRL
      description: Alarm register low
      bit_offset: 0
      bit_size: 16
fieldset/CNTH:
  description: Counter Register High
  fields:
    - name: CNTH
      description: Counter register high
      bit_offset: 0
      bit_size: 16
fieldset/CNTL:
  description: Counter Register Low
  fields:
    - name: CNTL
      description: Counter register low
      bit_offset: 0
      bit_size: 16
fieldset/CRH:
  description: Control Register High
  fields:
    - name: SECIE
      description: Second interrupt enable
      bit_offset: 0
      bit_size: 1
    - name: ALRIE
      description: Alarm interrupt enable
      bit_offset: 1
      bit_size: 1
    - name: OWIE
      description: Overflow interrupt enable
      bit_offset: 2
      bit_size: 1
fieldset/CRL:
  description: Control Register Low
  fields:
    - name: SECF
      description: Second flag
      bit_offset: 0
      bit_size: 1
    - name: ALRF
      description: Alarm flag
      bit_offset: 1
      bit_size: 1
    - name: OWF
      description: Overflow flag
      bit_offset: 2
      bit_size: 1
    - name: RSF
      description: Registers synchronized flag
      bit_offset: 3
      bit_size: 1
    - name: CNF
      description: Configuration flag
      bit_offset: 4
      bit_size: 1
      enum: CNF
    - name: RTOFF
      description: RTC operation OFF
      bit_offset: 5
      bit_size: 1
      enum: RTOFF
fieldset/DIVH:
  description: Prescaler Divider Register High
  fields:
    - name: DIVH
      description: Prescaler divider register high
      bit_offset: 0
      bit_size: 4
fieldset/DIVL:
  description: Prescaler Divider Register Low
  fields:
    - name: DIVL
      description: Prescaler divider register low
      bit_offset: 0
      bit_size: 16
fieldset/PRLH:
  description: Prescaler Load Register High
  fields:
    - name: PRLH
      description: Prescaler load register high
      bit_offset: 0
      bit_size: 4
fieldset/PRLL:
  description: Prescaler Load Register Low
  fields:
    - name: PRLL
      description: Prescaler divider register low
      bit_offset: 0
      bit_size: 16
enum/CNF:
  bit_size: 1
  variants:
    - name: Exit
      description: Exit configuration mode (start update of RTC registers)
      value: 0
    - name: Enter
      description: Enter configuration mode
      value: 1
enum/RTOFF:
  bit_size: 1
  variants:
    - name: Enabled
      description: Last write operation on RTC registers is still ongoing
      value: 0
    - name: Disabled
      description: Last write operation on RTC registers terminated
      value: 1