block/PWR:
  description: Power control
  items:
  - name: CR1
    description: Power control register 1
    byte_offset: 0
    fieldset: CR1
  - name: CR2
    description: Power control register 2
    byte_offset: 4
    fieldset: CR2
  - name: CR3
    description: Power control register 3
    byte_offset: 8
    fieldset: CR3
  - name: CR4
    description: Power control register 4
    byte_offset: 12
    fieldset: CR4
  - name: SR1
    description: Power status register 1
    byte_offset: 16
    access: Read
    fieldset: SR1
  - name: SR2
    description: Power status register 2
    byte_offset: 20
    access: Read
    fieldset: SR2
  - name: SCR
    description: Power status clear register
    byte_offset: 24
    access: Write
    fieldset: SCR
  - name: PUCR
    description: Power Port pull-up control register
    array:
      len: 6
      stride: 8
    byte_offset: 32
    fieldset: PCR
  - name: PDCR
    description: Power Port pull-down control register
    array:
      len: 6
      stride: 8
    byte_offset: 36
    fieldset: PCR
fieldset/CR1:
  description: Power control register 1
  fields:
  - name: LPMS
    description: Low-power mode selection
    bit_offset: 0
    bit_size: 3
  - name: FPD_STOP
    description: Flash memory powered down during Stop mode
    bit_offset: 3
    bit_size: 1
  - name: FPD_LPRUN
    description: Flash memory powered down during Low-power run mode
    bit_offset: 4
    bit_size: 1
  - name: FPD_LPSLP
    description: Flash memory powered down during Low-power sleep mode
    bit_offset: 5
    bit_size: 1
  - name: DBP
    description: Disable backup domain write protection
    bit_offset: 8
    bit_size: 1
  - name: VOS
    description: Voltage scaling range selection
    bit_offset: 9
    bit_size: 2
    enum: VOS
  - name: LPR
    description: Low-power run
    bit_offset: 14
    bit_size: 1
fieldset/CR2:
  description: Power control register 2
  fields:
  - name: PVDE
    description: Power voltage detector enable
    bit_offset: 0
    bit_size: 1
  - name: PVDFT
    description: Power voltage detector falling threshold selection
    bit_offset: 1
    bit_size: 3
  - name: PVDRT
    description: Power voltage detector rising threshold selection
    bit_offset: 4
    bit_size: 3
fieldset/CR3:
  description: Power control register 3
  fields:
  - name: EWUP
    description: Enable Wakeup pin
    bit_offset: 0
    bit_size: 1
    array:
      len: 6
      stride: 1
  - name: RRS
    description: SRAM retention in Standby mode
    bit_offset: 8
    bit_size: 1
  - name: ULPEN
    description: Enable the periodical sampling mode for PDR detection
    bit_offset: 9
    bit_size: 1
  - name: APC
    description: Apply pull-up and pull-down configuration
    bit_offset: 10
    bit_size: 1
  - name: EIWUL
    description: Enable internal wakeup line
    bit_offset: 15
    bit_size: 1
fieldset/CR4:
  description: Power control register 4
  fields:
  - name: WP
    description: Wakeup pin WKUP1 polarity
    bit_offset: 0
    bit_size: 1
    array:
      len: 6
      stride: 1
  - name: VBE
    description: VBAT battery charging enable
    bit_offset: 8
    bit_size: 1
  - name: VBRS
    description: VBAT battery charging resistor selection
    bit_offset: 9
    bit_size: 1
fieldset/PCR:
  description: Power Port pull control register
  fields:
  - name: P
    description: Port pull bit y (y=0..15)
    bit_offset: 0
    bit_size: 1
    array:
      len: 16
      stride: 1
fieldset/SCR:
  description: Power status clear register
  fields:
  - name: CWUF
    description: Clear Wakeup flag
    bit_offset: 0
    bit_size: 1
    array:
      len: 6
      stride: 1
  - name: CSBF
    description: Clear standby flag
    bit_offset: 8
    bit_size: 1
fieldset/SR1:
  description: Power status register 1
  fields:
  - name: WUF
    description: Wakeup flag
    bit_offset: 0
    bit_size: 1
    array:
      len: 6
      stride: 1
  - name: SBF
    description: Standby flag
    bit_offset: 8
    bit_size: 1
  - name: WUFI
    description: Wakeup flag internal
    bit_offset: 15
    bit_size: 1
fieldset/SR2:
  description: Power status register 2
  fields:
  - name: FLASH_RDY
    description: Flash ready flag
    bit_offset: 7
    bit_size: 1
  - name: REGLPS
    description: Low-power regulator started
    bit_offset: 8
    bit_size: 1
  - name: REGLPF
    description: Low-power regulator flag
    bit_offset: 9
    bit_size: 1
  - name: VOSF
    description: Voltage scaling flag
    bit_offset: 10
    bit_size: 1
  - name: PVDO
    description: Power voltage detector output
    bit_offset: 11
    bit_size: 1
enum/VOS:
  bit_size: 2
  variants:
  - name: Range1
    value: 1
  - name: Range2
    value: 2