block/FLASH:
  description: Flash
  items:
  - byte_offset: 0
    description: Access control register
    fieldset: ACR
    name: ACR
  - byte_offset: 4
    description: Program/erase control register
    fieldset: PECR
    name: PECR
  - access: Write
    byte_offset: 8
    description: Power down key register
    fieldset: PDKEYR
    name: PDKEYR
  - access: Write
    byte_offset: 12
    description: Program/erase key register
    fieldset: PEKEYR
    name: PEKEYR
  - access: Write
    byte_offset: 16
    description: Program memory key register
    fieldset: PRGKEYR
    name: PRGKEYR
  - access: Write
    byte_offset: 20
    description: Option byte key register
    fieldset: OPTKEYR
    name: OPTKEYR
  - byte_offset: 24
    description: Status register
    fieldset: SR
    name: SR
  - access: Read
    byte_offset: 28
    description: Option byte register
    fieldset: OBR
    name: OBR
  - byte_offset: 32
    description: Write protection register
    fieldset: WRPR1
    name: WRPR1
  - byte_offset: 128
    description: Write protection register
    fieldset: WRPR2
    name: WRPR2
  - byte_offset: 132
    description: Write protection register
    fieldset: WRPR3
    name: WRPR3
fieldset/ACR:
  description: Access control register
  fields:
  - bit_offset: 0
    bit_size: 1
    description: Latency
    name: LATENCY
  - bit_offset: 1
    bit_size: 1
    description: Prefetch enable
    name: PRFTEN
  - bit_offset: 2
    bit_size: 1
    description: 64-bit access
    name: ACC64
  - bit_offset: 3
    bit_size: 1
    description: Flash mode during Sleep
    name: SLEEP_PD
  - bit_offset: 4
    bit_size: 1
    description: Flash mode during Run
    name: RUN_PD
fieldset/OBR:
  description: Option byte register
  fields:
  - bit_offset: 0
    bit_size: 8
    description: Read protection
    name: RDPRT
  - bit_offset: 16
    bit_size: 4
    description: BOR_LEV
    name: BOR_LEV
  - bit_offset: 20
    bit_size: 1
    description: IWDG_SW
    name: IWDG_SW
  - bit_offset: 21
    bit_size: 1
    description: nRTS_STOP
    name: nRTS_STOP
  - bit_offset: 22
    bit_size: 1
    description: nRST_STDBY
    name: nRST_STDBY
  - bit_offset: 23
    bit_size: 1
    description: Boot From Bank 2
    name: BFB2
fieldset/OPTKEYR:
  description: Option byte key register
  fields:
  - bit_offset: 0
    bit_size: 32
    description: Option byte key
    name: OPTKEYR
fieldset/PDKEYR:
  description: Power down key register
  fields:
  - bit_offset: 0
    bit_size: 32
    description: RUN_PD in FLASH_ACR key
    name: PDKEYR
fieldset/PECR:
  description: Program/erase control register
  fields:
  - bit_offset: 0
    bit_size: 1
    description: FLASH_PECR and data EEPROM lock
    name: PELOCK
  - bit_offset: 1
    bit_size: 1
    description: Program memory lock
    name: PRGLOCK
  - bit_offset: 2
    bit_size: 1
    description: Option bytes block lock
    name: OPTLOCK
  - bit_offset: 3
    bit_size: 1
    description: Program memory selection
    name: PROG
  - bit_offset: 4
    bit_size: 1
    description: Data EEPROM selection
    name: DATA
  - bit_offset: 8
    bit_size: 1
    description: Fixed time data write for Byte, Half Word and Word programming
    name: FTDW
  - bit_offset: 9
    bit_size: 1
    description: Page or Double Word erase mode
    name: ERASE
  - bit_offset: 10
    bit_size: 1
    description: Half Page/Double Word programming mode
    name: FPRG
  - bit_offset: 15
    bit_size: 1
    description: Parallel bank mode
    name: PARALLELBANK
  - bit_offset: 16
    bit_size: 1
    description: End of programming interrupt enable
    name: EOPIE
  - bit_offset: 17
    bit_size: 1
    description: Error interrupt enable
    name: ERRIE
  - bit_offset: 18
    bit_size: 1
    description: Launch the option byte loading
    name: OBL_LAUNCH
fieldset/PEKEYR:
  description: Program/erase key register
  fields:
  - bit_offset: 0
    bit_size: 32
    description: FLASH_PEC and data EEPROM key
    name: PEKEYR
fieldset/PRGKEYR:
  description: Program memory key register
  fields:
  - bit_offset: 0
    bit_size: 32
    description: Program memory key
    name: PRGKEYR
fieldset/SR:
  description: Status register
  fields:
  - bit_offset: 0
    bit_size: 1
    description: Write/erase operations in progress
    name: BSY
  - bit_offset: 1
    bit_size: 1
    description: End of operation
    name: EOP
  - bit_offset: 2
    bit_size: 1
    description: End of high voltage
    name: ENDHV
  - bit_offset: 3
    bit_size: 1
    description: Flash memory module ready after low power mode
    name: READY
  - bit_offset: 8
    bit_size: 1
    description: Write protected error
    name: WRPERR
  - bit_offset: 9
    bit_size: 1
    description: Programming alignment error
    name: PGAERR
  - bit_offset: 10
    bit_size: 1
    description: Size error
    name: SIZERR
  - bit_offset: 11
    bit_size: 1
    description: Option validity error
    name: OPTVERR
  - bit_offset: 12
    bit_size: 1
    description: Option UserValidity Error
    name: OPTVERRUSR
fieldset/WRPR1:
  description: Write protection register
  fields:
  - bit_offset: 0
    bit_size: 32
    description: Write protection
    name: WRP1
fieldset/WRPR2:
  description: Write protection register
  fields:
  - bit_offset: 0
    bit_size: 32
    description: WRP2
    name: WRP2
fieldset/WRPR3:
  description: Write protection register
  fields:
  - bit_offset: 0
    bit_size: 32
    description: WRP3
    name: WRP3