---
block/IWDG:
  description: Independent watchdog
  items:
    - name: KR
      description: Key register
      byte_offset: 0
      access: Write
      fieldset: KR
    - name: PR
      description: Prescaler register
      byte_offset: 4
      fieldset: PR
    - name: RLR
      description: Reload register
      byte_offset: 8
      fieldset: RLR
    - name: SR
      description: Status register
      byte_offset: 12
      access: Read
      fieldset: SR
fieldset/KR:
  description: Key register
  fields:
    - name: KEY
      description: "Key value (write only, read 0000h)"
      bit_offset: 0
      bit_size: 16
      enum: KEY
fieldset/PR:
  description: Prescaler register
  fields:
    - name: PR
      description: Prescaler divider
      bit_offset: 0
      bit_size: 3
      enum: PR
fieldset/RLR:
  description: Reload register
  fields:
    - name: RL
      description: Watchdog counter reload value
      bit_offset: 0
      bit_size: 12
fieldset/SR:
  description: Status register
  fields:
    - name: PVU
      description: Watchdog prescaler value update
      bit_offset: 0
      bit_size: 1
    - name: RVU
      description: Watchdog counter reload value update
      bit_offset: 1
      bit_size: 1
enum/KEY:
  bit_size: 16
  variants:
    - name: Enable
      description: "Enable access to PR, RLR and WINR registers (0x5555)"
      value: 21845
    - name: Reset
      description: Reset the watchdog value (0xAAAA)
      value: 43690
    - name: Start
      description: Start the watchdog (0xCCCC)
      value: 52428
enum/PR:
  bit_size: 3
  variants:
    - name: DivideBy4
      description: Divider /4
      value: 0
    - name: DivideBy8
      description: Divider /8
      value: 1
    - name: DivideBy16
      description: Divider /16
      value: 2
    - name: DivideBy32
      description: Divider /32
      value: 3
    - name: DivideBy64
      description: Divider /64
      value: 4
    - name: DivideBy128
      description: Divider /128
      value: 5
    - name: DivideBy256
      description: Divider /256
      value: 6
    - name: DivideBy256bis
      description: Divider /256
      value: 7