block/FLASH:
  description: FLASH
  items:
  - byte_offset: 0
    description: Flash access control register
    fieldset: ACR
    name: ACR
  - access: Write
    byte_offset: 4
    description: Flash key register
    fieldset: KEYR
    name: KEYR
  - access: Write
    byte_offset: 8
    description: Flash option key register
    fieldset: OPTKEYR
    name: OPTKEYR
  - byte_offset: 12
    description: Status register
    fieldset: SR
    name: SR
  - byte_offset: 16
    description: Control register
    fieldset: CR
    name: CR
  - access: Write
    byte_offset: 20
    description: Flash address register
    fieldset: AR
    name: AR
  - access: Read
    byte_offset: 28
    description: Option byte register
    fieldset: OBR
    name: OBR
  - access: Read
    byte_offset: 32
    description: Write protection register
    fieldset: WRPR
    name: WRPR
enum/LATENCY:
  bit_size: 3
  variants:
  - description: "Zero wait state, if 0 < SYSCLK\u2264 24 MHz"
    name: WS0
    value: 0
  - description: "One wait state, if 24 MHz < SYSCLK \u2264 48 MHz"
    name: WS1
    value: 1
  - description: "Two wait states, if 48 MHz < SYSCLK \u2264 72 MHz"
    name: WS2
    value: 2
fieldset/ACR:
  description: Flash access control register
  fields:
  - bit_offset: 0
    bit_size: 3
    description: Latency
    enum: LATENCY
    name: LATENCY
  - bit_offset: 3
    bit_size: 1
    description: Flash half cycle access enable
    name: HLFCYA
  - bit_offset: 4
    bit_size: 1
    description: Prefetch buffer enable
    name: PRFTBE
  - bit_offset: 5
    bit_size: 1
    description: Prefetch buffer status
    name: PRFTBS
fieldset/AR:
  description: Flash address register
  fields:
  - bit_offset: 0
    bit_size: 32
    description: Flash Address
    name: FAR
fieldset/CR:
  description: Control register
  fields:
  - bit_offset: 0
    bit_size: 1
    description: Programming
    name: PG
  - bit_offset: 1
    bit_size: 1
    description: Page Erase
    name: PER
  - bit_offset: 2
    bit_size: 1
    description: Mass Erase
    name: MER
  - bit_offset: 4
    bit_size: 1
    description: Option byte programming
    name: OPTPG
  - bit_offset: 5
    bit_size: 1
    description: Option byte erase
    name: OPTER
  - bit_offset: 6
    bit_size: 1
    description: Start
    name: STRT
  - bit_offset: 7
    bit_size: 1
    description: Lock
    name: LOCK
  - bit_offset: 9
    bit_size: 1
    description: Option bytes write enable
    name: OPTWRE
  - bit_offset: 10
    bit_size: 1
    description: Error interrupt enable
    name: ERRIE
  - bit_offset: 12
    bit_size: 1
    description: End of operation interrupt enable
    name: EOPIE
fieldset/KEYR:
  description: Flash key register
  fields:
  - bit_offset: 0
    bit_size: 32
    description: FPEC key
    name: KEY
fieldset/OBR:
  description: Option byte register
  fields:
  - bit_offset: 0
    bit_size: 1
    description: Option byte error
    name: OPTERR
  - bit_offset: 1
    bit_size: 1
    description: Read protection
    name: RDPRT
  - bit_offset: 2
    bit_size: 1
    description: WDG_SW
    name: WDG_SW
  - bit_offset: 3
    bit_size: 1
    description: nRST_STOP
    name: nRST_STOP
  - bit_offset: 4
    bit_size: 1
    description: nRST_STDBY
    name: nRST_STDBY
  - bit_offset: 10
    bit_size: 8
    description: Data0
    name: Data0
  - bit_offset: 18
    bit_size: 8
    description: Data1
    name: Data1
fieldset/OPTKEYR:
  description: Flash option key register
  fields:
  - bit_offset: 0
    bit_size: 32
    description: Option byte key
    name: OPTKEY
fieldset/SR:
  description: Status register
  fields:
  - bit_offset: 0
    bit_size: 1
    description: Busy
    name: BSY
  - bit_offset: 2
    bit_size: 1
    description: Programming error
    name: PGERR
  - bit_offset: 4
    bit_size: 1
    description: Write protection error
    name: WRPRTERR
  - bit_offset: 5
    bit_size: 1
    description: End of operation
    name: EOP
fieldset/WRPR:
  description: Write protection register
  fields:
  - bit_offset: 0
    bit_size: 32
    description: Write protect
    name: WRP