stm32-data/data/registers/aes_v1.yaml

---
block/AES:
  description: Advanced encryption standard hardware accelerator
  items:
    - name: CR
      description: control register
      byte_offset: 0
      fieldset: CR
    - name: SR
      description: status register
      byte_offset: 4
      access: Read
      fieldset: SR
    - name: DINR
      description: data input register
      byte_offset: 8
      fieldset: DINR
    - name: DOUTR
      description: data output register
      byte_offset: 12
      access: Read
      fieldset: DOUTR
    - name: KEYR0
      description: key register 0
      byte_offset: 16
      fieldset: KEYR0
    - name: KEYR1
      description: key register 1
      byte_offset: 20
      fieldset: KEYR1
    - name: KEYR2
      description: key register 2
      byte_offset: 24
      fieldset: KEYR2
    - name: KEYR3
      description: key register 3
      byte_offset: 28
      fieldset: KEYR3
    - name: IVR0
      description: initialization vector register 0
      byte_offset: 32
      fieldset: IVR0
    - name: IVR1
      description: initialization vector register 1
      byte_offset: 36
      fieldset: IVR1
    - name: IVR2
      description: initialization vector register 2
      byte_offset: 40
      fieldset: IVR2
    - name: IVR3
      description: initialization vector register 3
      byte_offset: 44
      fieldset: IVR3
fieldset/CR:
  description: control register
  fields:
    - name: EN
      description: AES enable
      bit_offset: 0
      bit_size: 1
      enum: EN
    - name: DATATYPE
      description: Data type selection (for data in and data out to/from the cryptographic block)
      bit_offset: 1
      bit_size: 2
      enum: DATATYPE
    - name: MODE
      description: AES operating mode
      bit_offset: 3
      bit_size: 2
      enum: MODE
    - name: CHMOD
      description: AES chaining mode
      bit_offset: 5
      bit_size: 2
      enum: CHMOD
    - name: CCFC
      description: Computation Complete Flag Clear
      bit_offset: 7
      bit_size: 1
      enum: CCFC
    - name: ERRC
      description: Error clear
      bit_offset: 8
      bit_size: 1
      enum: ERRC
    - name: CCFIE
      description: CCF flag interrupt enable
      bit_offset: 9
      bit_size: 1
      enum: CCFIE
    - name: ERRIE
      description: Error interrupt enable
      bit_offset: 10
      bit_size: 1
      enum: ERRIE
    - name: DMAINEN
      description: Enable DMA management of data input phase
      bit_offset: 11
      bit_size: 1
      enum: DMAINEN
    - name: DMAOUTEN
      description: Enable DMA management of data output phase
      bit_offset: 12
      bit_size: 1
      enum: DMAOUTEN
fieldset/DINR:
  description: data input register
  fields:
    - name: DIN
      description: Data Input Register.
      bit_offset: 0
      bit_size: 32
fieldset/DOUTR:
  description: data output register
  fields:
    - name: DOUT
      description: Data output register
      bit_offset: 0
      bit_size: 32
fieldset/IVR0:
  description: initialization vector register 0
  fields:
    - name: IV0
      description: "initialization vector register (LSB IVR [31:0])"
      bit_offset: 0
      bit_size: 32
fieldset/IVR1:
  description: initialization vector register 1
  fields:
    - name: IV1
      description: "Initialization Vector Register (IVR [63:32])"
      bit_offset: 0
      bit_size: 32
fieldset/IVR2:
  description: initialization vector register 2
  fields:
    - name: IV2
      description: "Initialization Vector Register (IVR [95:64])"
      bit_offset: 0
      bit_size: 32
fieldset/IVR3:
  description: initialization vector register 3
  fields:
    - name: IV3
      description: "Initialization Vector Register (MSB IVR [127:96])"
      bit_offset: 0
      bit_size: 32
fieldset/KEYR0:
  description: key register 0
  fields:
    - name: KEY0
      description: "Data Output Register (LSB key [31:0])"
      bit_offset: 0
      bit_size: 32
fieldset/KEYR1:
  description: key register 1
  fields:
    - name: KEY1
      description: "AES key register (key [63:32])"
      bit_offset: 0
      bit_size: 32
fieldset/KEYR2:
  description: key register 2
  fields:
    - name: KEY2
      description: "AES key register (key [95:64])"
      bit_offset: 0
      bit_size: 32
fieldset/KEYR3:
  description: key register 3
  fields:
    - name: KEY3
      description: "AES key register (MSB key [127:96])"
      bit_offset: 0
      bit_size: 32
fieldset/SR:
  description: status register
  fields:
    - name: CCF
      description: Computation complete flag
      bit_offset: 0
      bit_size: 1
      enum: CCF
    - name: RDERR
      description: Read error flag
      bit_offset: 1
      bit_size: 1
      enum: RDERR
    - name: WRERR
      description: Write error flag
      bit_offset: 2
      bit_size: 1
      enum: WRERR
enum/CCF:
  bit_size: 1
  variants:
    - name: Complete
      description: Computation complete
      value: 0
    - name: NotComplete
      description: Computation not complete
      value: 1
enum/CCFC:
  bit_size: 1
  variants:
    - name: Clear
      description: Clear computation complete flag
      value: 1
enum/CCFIE:
  bit_size: 1
  variants:
    - name: Disabled
      description: Disable (mask) CCF interrupt
      value: 0
    - name: Enabled
      description: Enable CCF interrupt
      value: 1
enum/CHMOD:
  bit_size: 2
  variants:
    - name: ECB
      description: Electronic codebook (ECB)
      value: 0
    - name: CBC
      description: Cipher-Block Chaining (CBC)
      value: 1
    - name: CTR
      description: Counter Mode (CTR)
      value: 2
enum/DATATYPE:
  bit_size: 2
  variants:
    - name: None
      description: Word
      value: 0
    - name: HalfWord
      description: Half-word (16-bit)
      value: 1
    - name: Byte
      description: Byte (8-bit)
      value: 2
    - name: Bit
      description: Bit
      value: 3
enum/DMAINEN:
  bit_size: 1
  variants:
    - name: Disabled
      description: Disable DMA Input
      value: 0
    - name: Enabled
      description: Enable DMA Input
      value: 1
enum/DMAOUTEN:
  bit_size: 1
  variants:
    - name: Disabled
      description: Disable DMA Output
      value: 0
    - name: Enabled
      description: Enabled DMA Output
      value: 1
enum/EN:
  bit_size: 1
  variants:
    - name: Disabled
      description: Disable AES
      value: 0
    - name: Enabled
      description: Enable AES
      value: 1
enum/ERRC:
  bit_size: 1
  variants:
    - name: Clear
      description: Clear RDERR and WRERR flags
      value: 1
enum/ERRIE:
  bit_size: 1
  variants:
    - name: Disabled
      description: Disable (mask) error interrupt
      value: 0
    - name: Enabled
      description: Enable error interrupt
      value: 1
enum/MODE:
  bit_size: 2
  variants:
    - name: Mode1
      description: "Mode 1: encryption"
      value: 0
    - name: Mode2
      description: "Mode 2: key derivation (or key preparation for ECB/CBC decryption)"
      value: 1
    - name: Mode3
      description: "Mode 3: decryption"
      value: 2
    - name: Mode4
      description: "Mode 4: key derivation then single decryption"
      value: 3
enum/RDERR:
  bit_size: 1
  variants:
    - name: NoError
      description: Read error not detected
      value: 0
    - name: Error
      description: Read error detected
      value: 1
enum/WRERR:
  bit_size: 1
  variants:
    - name: NoError
      description: Write error not detected
      value: 0
    - name: Error
      description: Write error detected
      value: 1