---
block/CRS:
  description: Clock recovery system
  items:
    - name: CR
      description: control register
      byte_offset: 0
      fieldset: CR
    - name: CFGR
      description: configuration register
      byte_offset: 4
      fieldset: CFGR
    - name: ISR
      description: interrupt and status register
      byte_offset: 8
      access: Read
      fieldset: ISR
    - name: ICR
      description: interrupt flag clear register
      byte_offset: 12
      fieldset: ICR
fieldset/CFGR:
  description: configuration register
  fields:
    - name: RELOAD
      description: Counter reload value
      bit_offset: 0
      bit_size: 16
    - name: FELIM
      description: Frequency error limit
      bit_offset: 16
      bit_size: 8
    - name: SYNCDIV
      description: SYNC divider
      bit_offset: 24
      bit_size: 3
    - name: SYNCSRC
      description: SYNC signal source selection
      bit_offset: 28
      bit_size: 2
      enum: SYNCSRC
    - name: SYNCPOL
      description: SYNC polarity selection
      bit_offset: 31
      bit_size: 1
fieldset/CR:
  description: control register
  fields:
    - name: SYNCOKIE
      description: SYNC event OK interrupt enable
      bit_offset: 0
      bit_size: 1
    - name: SYNCWARNIE
      description: SYNC warning interrupt enable
      bit_offset: 1
      bit_size: 1
    - name: ERRIE
      description: Synchronization or trimming error interrupt enable
      bit_offset: 2
      bit_size: 1
    - name: ESYNCIE
      description: Expected SYNC interrupt enable
      bit_offset: 3
      bit_size: 1
    - name: CEN
      description: Frequency error counter enable
      bit_offset: 5
      bit_size: 1
    - name: AUTOTRIMEN
      description: Automatic trimming enable
      bit_offset: 6
      bit_size: 1
    - name: SWSYNC
      description: Generate software SYNC event
      bit_offset: 7
      bit_size: 1
    - name: TRIM
      description: HSI48 oscillator smooth trimming
      bit_offset: 8
      bit_size: 6
fieldset/ICR:
  description: interrupt flag clear register
  fields:
    - name: SYNCOKC
      description: SYNC event OK clear flag
      bit_offset: 0
      bit_size: 1
    - name: SYNCWARNC
      description: SYNC warning clear flag
      bit_offset: 1
      bit_size: 1
    - name: ERRC
      description: Error clear flag
      bit_offset: 2
      bit_size: 1
    - name: ESYNCC
      description: Expected SYNC clear flag
      bit_offset: 3
      bit_size: 1
fieldset/ISR:
  description: interrupt and status register
  fields:
    - name: SYNCOKF
      description: SYNC event OK flag
      bit_offset: 0
      bit_size: 1
    - name: SYNCWARNF
      description: SYNC warning flag
      bit_offset: 1
      bit_size: 1
    - name: ERRF
      description: Error flag
      bit_offset: 2
      bit_size: 1
    - name: ESYNCF
      description: Expected SYNC flag
      bit_offset: 3
      bit_size: 1
    - name: SYNCERR
      description: SYNC error
      bit_offset: 8
      bit_size: 1
    - name: SYNCMISS
      description: SYNC missed
      bit_offset: 9
      bit_size: 1
    - name: TRIMOVF
      description: Trimming overflow or underflow
      bit_offset: 10
      bit_size: 1
    - name: FEDIR
      description: Frequency error direction
      bit_offset: 15
      bit_size: 1
    - name: FECAP
      description: Frequency error capture
      bit_offset: 16
      bit_size: 16
enum/SYNCSRC:
  bit_size: 2
  variants:
    - name: GPIO
      description: GPIO selected as SYNC signal source
      value: 0
    - name: LSE
      description: LSE selected as SYNC signal source
      value: 1
    - name: USB
      description: USB SOF selected as SYNC signal source
      value: 2