---
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 A pull-up control register
      array:
        len: 8
        stride: 8
      byte_offset: 32
      fieldset: PCR
    - name: PDCR
      description: Power Port A pull-down control register
      array:
        len: 8
        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
      enum: LPMS
    - name: DBP
      description: Disable backup domain write protection
      bit_offset: 8
      bit_size: 1
      enum: DBP
    - 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
      enum: LPR
fieldset/CR2:
  description: Power control register 2
  fields:
    - name: PVDE
      description: Power voltage detector enable
      bit_offset: 0
      bit_size: 1
      enum: PVDE
    - name: PLS
      description: Power voltage detector level selection
      bit_offset: 1
      bit_size: 3
      enum: PLS
    - name: PVME1
      description: "Peripheral voltage monitoring 1 enable: VDDUSB vs. 1.2V"
      bit_offset: 4
      bit_size: 1
      enum: PVME
    - name: PVME2
      description: "Peripheral voltage monitoring 2 enable: VDDIO2 vs. 0.9V"
      bit_offset: 5
      bit_size: 1
      enum: PVME
    - name: PVME3
      description: "Peripheral voltage monitoring 3 enable: VDDA vs. 1.62V"
      bit_offset: 6
      bit_size: 1
      enum: PVME
    - name: PVME4
      description: "Peripheral voltage monitoring 4 enable: VDDA vs. 2.2V"
      bit_offset: 7
      bit_size: 1
      enum: PVME
    - name: IOSV
      description: VDDIO2 Independent I/Os supply valid
      bit_offset: 9
      bit_size: 1
      enum: IOSV
    - name: USV
      description: VDDUSB USB supply valid
      bit_offset: 10
      bit_size: 1
      enum: USV
fieldset/CR3:
  description: Power control register 3
  fields:
    - name: EWUP
      description: Enable Wakeup pin WKUP
      bit_offset: 0
      bit_size: 1
      array:
        len: 5
        stride: 1
      enum: EWUP
    - name: RRS
      description: SRAM2 retention in Standby mode
      bit_offset: 8
      bit_size: 1
      enum: RRS
    - name: APC
      description: Apply pull-up and pull-down configuration
      bit_offset: 10
      bit_size: 1
      enum: APC
    - name: EWF
      description: Enable internal wakeup line
      bit_offset: 15
      bit_size: 1
      enum: EWF
fieldset/CR4:
  description: Power control register 4
  fields:
    - name: WP1
      description: Wakeup pin WKUP1 polarity
      bit_offset: 0
      bit_size: 1
    - name: WP2
      description: Wakeup pin WKUP2 polarity
      bit_offset: 1
      bit_size: 1
    - name: WP3
      description: Wakeup pin WKUP3 polarity
      bit_offset: 2
      bit_size: 1
    - name: WP4
      description: Wakeup pin WKUP4 polarity
      bit_offset: 3
      bit_size: 1
    - name: WP5
      description: Wakeup pin WKUP5 polarity
      bit_offset: 4
      bit_size: 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: 5
        stride: 1
      enum_write: CWUFW
    - name: SBF
      description: Clear standby flag
      bit_offset: 8
      bit_size: 1
fieldset/SR1:
  description: Power status register 1
  fields:
    - name: CWUF1
      description: Wakeup flag 1
      bit_offset: 0
      bit_size: 1
    - name: CWUF2
      description: Wakeup flag 2
      bit_offset: 1
      bit_size: 1
    - name: CWUF3
      description: Wakeup flag 3
      bit_offset: 2
      bit_size: 1
    - name: CWUF4
      description: Wakeup flag 4
      bit_offset: 3
      bit_size: 1
    - name: CWUF5
      description: Wakeup flag 5
      bit_offset: 4
      bit_size: 1
    - name: CSBF
      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: 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
    - name: PVMO1
      description: "Peripheral voltage monitoring output: VDDUSB vs. 1.2 V"
      bit_offset: 12
      bit_size: 1
    - name: PVMO2
      description: "Peripheral voltage monitoring output: VDDIO2 vs. 0.9 V"
      bit_offset: 13
      bit_size: 1
    - name: PVMO3
      description: "Peripheral voltage monitoring output: VDDA vs. 1.62 V"
      bit_offset: 14
      bit_size: 1
    - name: PVMO4
      description: "Peripheral voltage monitoring output: VDDA vs. 2.2 V"
      bit_offset: 15
      bit_size: 1
enum/LPMS:
  bit_size: 3
  variants:
    - name: Stop0
      description: Stop 0 mode
      value: 0
    - name: Stop1
      description: Stop 1 mode
      value: 1
    - name: Stop2
      description: Stop 2 mode
      value: 2
    - name: Standby
      description: Standby mode
      value: 3
    - name: Shutdown
      description: Shutdown mode
      value: 4
enum/DBP:
  bit_size: 1
  variants:
    - name: Disabled
      description: Access to RTC and backup registers disabled
      value: 0
    - name: Enabled
      description: Access to RTC and backup registers enabled
      value: 1
enum/VOS:
  bit_size: 2
  variants:
    - name: Range1
      description: Range 1
      value: 1
    - name: Range2
      description: Range 2
      value: 2
enum/LPR:
  bit_size: 1
  variants:
    - name: MainMode
      description: Voltage regulator in Main mode
      value: 0
    - name: LowPowerMode
      description: Voltage regulator in low-power mode
      value: 1
enum/PVDE:
  bit_size: 1
  variants:
    - name: Disabled
      description: PVD Disabled
      value: 0
    - name: Enabled
      description: PVD Enabled
      value: 1
enum/PLS:
  bit_size: 3
  variants:
    - name: V2_0
      description: 2.0V
      value: 0
    - name: V2_2
      description: 2.2V
      value: 1
    - name: V2_4
      description: 2.4V
      value: 2
    - name: V2_5
      description: 2.5V
      value: 3
    - name: V2_6
      description: 2.6V
      value: 4
    - name: V2_8
      description: 2.8V
      value: 5
    - name: V2_9
      description: 2.9V
      value: 6
    - name: External
      description: External input analog voltage PVD_IN (compared internally to VREFINT)
      value: 7
enum/PVME:
  bit_size: 1
  variants:
    - name: Disabled
      description: Peripheral voltage monitoring disable
      value: 0
    - name: Enabled
      description: Peripheral voltage monitoring enable
      value: 1
enum/IOSV:
  bit_size: 1
  variants:
    - name: Invalid
      description: VDDIO2 is not present. Logical and electrical isolation is applied to ignore this supply
      value: 0
    - name: Valid
      description: VDDIO2 is valid
      value: 1
enum/USV:
  bit_size: 1
  variants:
    - name: Invalid
      description: VDDUSB is not present. Logical and electrical isolation is applied to ignore this supply
      value: 0
    - name: Valid
      description: VDDUSB is valid
      value: 1
enum/EWUP:
  bit_size: 1
  variants:
    - name: Disabled
      description: WKUP pin x is used for general purpose I/Os. An event on the WKUP pin x does not wakeup the device from Standby mode
      value: 0
    - name: Enabled
      description: WKUP pin x is used for wakeup from Standby mode and forced in input pull down configuration (rising edge on WKUP pin x wakes-up the system from Standby mode)
      value: 1
enum/RRS:
  bit_size: 1
  variants:
    - name: PowerOff
      description: SRAM2 powered off in Standby mode (SRAM2 content lost)
      value: 0
    - name: OnLPR
      description: SRAM2 powered by the low-power regulator in Standby mode (SRAM2 content kept)
      value: 1
enum/APC:
  bit_size: 1
  variants:
    - name: Disabled
      description: PWR_PUCRx and PWR_PDCRx registers are NOT applied to the I/Os
      value: 0
    - name: Enabled
      description: I/O pull-up and pull-down configurations defined in the PWR_PUCRx and PWR_PDCRx registers are applied
      value: 1
enum/EWF:
  bit_size: 1
  variants:
    - name: Disabled
      description: Internal wakeup line disable
      value: 0
    - name: Enabled
      description: Internal wakeup line enable
      value: 1
enum/CWUFW:
  bit_size: 1
  variants:
    - name: Clear
      description: Setting this bit clears the WUF flag in the PWR_SR1 register. This bit is always read as 0.
      value: 1