block/FLASH:
  description: Flash
  items:
  - name: ACR
    description: Flash access control register
    byte_offset: 0
    fieldset: ACR
  - name: KEYR
    description: Flash key register
    byte_offset: 4
    access: Write
    fieldset: KEYR
  - name: OPTKEYR
    description: Flash option key register
    byte_offset: 8
    access: Write
    fieldset: OPTKEYR
  - name: SR
    description: Flash status register
    byte_offset: 12
    fieldset: SR
  - name: CR
    description: Flash control register
    byte_offset: 16
    fieldset: CR
  - name: AR
    description: Flash address register
    byte_offset: 20
    access: Write
    fieldset: AR
  - name: OBR
    description: Option byte register
    byte_offset: 28
    access: Read
    fieldset: OBR
  - name: WRPR
    description: Write protection register
    byte_offset: 32
    access: Read
    fieldset: WRPR
fieldset/ACR:
  description: Flash access control register
  fields:
  - name: LATENCY
    description: LATENCY
    bit_offset: 0
    bit_size: 3
    enum: LATENCY
  - name: HLFCYA
    description: Flash half cycle access enable
    bit_offset: 3
    bit_size: 1
  - name: PRFTBE
    description: PRFTBE
    bit_offset: 4
    bit_size: 1
  - name: PRFTBS
    description: PRFTBS
    bit_offset: 5
    bit_size: 1
fieldset/AR:
  description: Flash address register
  fields:
  - name: FAR
    description: Flash address
    bit_offset: 0
    bit_size: 32
fieldset/CR:
  description: Flash control register
  fields:
  - name: PG
    description: Programming
    bit_offset: 0
    bit_size: 1
  - name: PER
    description: Page erase
    bit_offset: 1
    bit_size: 1
  - name: MER
    description: Mass erase
    bit_offset: 2
    bit_size: 1
  - name: OPTPG
    description: Option byte programming
    bit_offset: 4
    bit_size: 1
  - name: OPTER
    description: Option byte erase
    bit_offset: 5
    bit_size: 1
  - name: STRT
    description: Start
    bit_offset: 6
    bit_size: 1
  - name: LOCK
    description: Lock
    bit_offset: 7
    bit_size: 1
  - name: OPTWRE
    description: Option bytes write enable
    bit_offset: 9
    bit_size: 1
  - name: ERRIE
    description: Error interrupt enable
    bit_offset: 10
    bit_size: 1
  - name: EOPIE
    description: End of operation interrupt enable
    bit_offset: 12
    bit_size: 1
  - name: OBL_LAUNCH
    description: Force option byte loading
    bit_offset: 13
    bit_size: 1
fieldset/KEYR:
  description: Flash key register
  fields:
  - name: FKEYR
    description: Flash Key
    bit_offset: 0
    bit_size: 32
fieldset/OBR:
  description: Option byte register
  fields:
  - name: OPTERR
    description: Option byte error
    bit_offset: 0
    bit_size: 1
  - name: RDPRT
    description: Read protection Level status
    bit_offset: 1
    bit_size: 2
    enum: RDPRT
  - name: WDG_SW
    description: WDG_SW
    bit_offset: 8
    bit_size: 1
    enum: WDG_SW
  - name: nRST_STOP
    description: nRST_STOP
    bit_offset: 9
    bit_size: 1
    enum: nRST_STOP
  - name: nRST_STDBY
    description: nRST_STDBY
    bit_offset: 10
    bit_size: 1
    enum: nRST_STDBY
  - name: nBOOT1
    description: BOOT1
    bit_offset: 12
    bit_size: 1
  - name: VDDA_MONITOR
    description: VDDA_MONITOR
    bit_offset: 13
    bit_size: 1
  - name: SRAM_PARITY_CHECK
    description: SRAM_PARITY_CHECK
    bit_offset: 14
    bit_size: 1
  - name: SDADC12_VDD_MONITOR
    description: SDADC12_VDD_MONITOR
    bit_offset: 15
    bit_size: 1
  - name: Data0
    description: Data0
    bit_offset: 16
    bit_size: 8
  - name: Data1
    description: Data1
    bit_offset: 24
    bit_size: 8
fieldset/OPTKEYR:
  description: Flash option key register
  fields:
  - name: OPTKEYR
    description: Option byte key
    bit_offset: 0
    bit_size: 32
fieldset/SR:
  description: Flash status register
  fields:
  - name: BSY
    description: Busy
    bit_offset: 0
    bit_size: 1
  - name: PGERR
    description: Programming error
    bit_offset: 2
    bit_size: 1
  - name: WRPRTERR
    description: Write protection error
    bit_offset: 4
    bit_size: 1
  - name: EOP
    description: End of operation
    bit_offset: 5
    bit_size: 1
fieldset/WRPR:
  description: Write protection register
  fields:
  - name: WRP
    description: Write protect
    bit_offset: 0
    bit_size: 32
enum/LATENCY:
  bit_size: 3
  variants:
  - name: WS0
    description: 0 wait states, if 0 < HCLK <= 24 MHz
    value: 0
  - name: WS1
    description: 1 wait state, if 24 < HCLK <= 48 MHz
    value: 1
  - name: WS2
    description: 2 wait states, if 48 < HCLK <= 72 MHz
    value: 2
enum/RDPRT:
  bit_size: 2
  variants:
  - name: Level0
    description: Level 0
    value: 0
  - name: Level1
    description: Level 1
    value: 1
  - name: Level2
    description: Level 2
    value: 3
enum/WDG_SW:
  bit_size: 1
  variants:
  - name: Hardware
    description: Hardware watchdog
    value: 0
  - name: Software
    description: Software watchdog
    value: 1
enum/nRST_STDBY:
  bit_size: 1
  variants:
  - name: Reset
    description: Reset generated when entering Standby mode
    value: 0
  - name: NoReset
    description: No reset generated
    value: 1
enum/nRST_STOP:
  bit_size: 1
  variants:
  - name: Reset
    description: Reset generated when entering Stop mode
    value: 0
  - name: NoReset
    description: No reset generated
    value: 1