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