stm32-data/data/registers/tamp_wl.yaml

block/TAMP:
  description: Tamper and backup registers
  items:
    - name: CR1
      description: control register 1
      byte_offset: 0
      fieldset: CR1
    - name: CR2
      description: control register 2
      byte_offset: 4
      fieldset: CR2
    - name: CR3
      description: TAMP control register 3
      byte_offset: 8
      fieldset: CR3
    - name: FLTCR
      description: TAMP filter control register
      byte_offset: 12
      fieldset: FLTCR
    - name: IER
      description: TAMP interrupt enable register
      byte_offset: 44
      fieldset: IER
    - name: SR
      description: TAMP status register
      byte_offset: 48
      access: Read
      fieldset: SR
    - name: MISR
      description: TAMP masked interrupt status register
      byte_offset: 52
      access: Read
      fieldset: MISR
    - name: SCR
      description: TAMP status clear register
      byte_offset: 60
      access: Write
      fieldset: SCR
    - name: COUNTR
      description: monotonic counter register
      byte_offset: 64
      access: Read
      fieldset: COUNTR
    - name: BKPR
      description: TAMP backup register
      array:
        len: 20
        stride: 4
      byte_offset: 256
      fieldset: BKPR
fieldset/BKPR:
  description: TAMP backup register
  fields:
    - name: BKP
      description: BKP
      bit_offset: 0
      bit_size: 32
fieldset/COUNTR:
  description: monotonic counter register
  fields:
    - name: COUNT
      description: COUNT
      bit_offset: 0
      bit_size: 32
fieldset/CR1:
  description: control register 1
  fields:
    - name: TAMPE
      description: Tamper detection on IN X enable
      bit_offset: 0
      bit_size: 1
      array:
        len: 3
        stride: 1
    - name: ITAMPE
      description: Internal tamper X enable
      bit_offset: 16
      bit_size: 1
      array:
        len: 8
        stride: 1
fieldset/CR2:
  description: control register 2
  fields:
    - name: TAMPNOER
      description: Tamper X no erase
      bit_offset: 0
      bit_size: 1
      array:
        len: 3
        stride: 1
    - name: TAMPMSK
      description: Tamper X mask. The tamper X interrupt must not be enabled when TAMPMSK is set.
      bit_offset: 16
      bit_size: 1
      array:
        len: 3
        stride: 1
      enum: TAMPMSK
    - name: BKERASE
      description: Backup registers erase
      bit_offset: 23
      bit_size: 1
      enum: BKERASE
    - name: TAMPTRG
      description: Active level for tamper X input
      bit_offset: 24
      bit_size: 1
      array:
        len: 3
        stride: 1
      enum: TAMPTRG
fieldset/CR3:
  description: TAMP control register 3
  fields:
    - name: ITAMPNOER
      description: Internal Tamper X no erase
      bit_offset: 0
      bit_size: 1
      array:
        len: 8
        stride: 1
fieldset/FLTCR:
  description: TAMP filter control register
  fields:
    - name: TAMPFREQ
      description: "Tamper sampling frequency. Determines the frequency at which each of the INx inputs are sampled."
      bit_offset: 0
      bit_size: 3
      enum: TAMPFREQ
    - name: TAMPFLT
      description: "INx filter count. These bits determines the number of consecutive samples at the specified level (TAMP*TRG) needed to activate a tamper event. TAMPFLT is valid for each of the INx inputs."
      bit_offset: 3
      bit_size: 2
      enum: TAMPFLT
    - name: TAMPPRCH
      description: "INx precharge duration. These bit determines the duration of time during which the pull-up/is activated before each sample. TAMPPRCH is valid for each of the INx inputs."
      bit_offset: 5
      bit_size: 2
      enum: TAMPPRCH
    - name: TAMPPUDIS
      description: "INx pull-up disable. This bit determines if each of the TAMPx pins are precharged before each sample."
      bit_offset: 7
      bit_size: 1
fieldset/IER:
  description: TAMP interrupt enable register
  fields:
    - name: TAMPIE
      description: Tamper X interrupt enable
      bit_offset: 0
      bit_size: 1
      array:
        len: 3
        stride: 1
    - name: ITAMPIE
      description: Internal tamper X interrupt enable
      bit_offset: 16
      bit_size: 1
      array:
        len: 8
        stride: 1
fieldset/MISR:
  description: TAMP masked interrupt status register
  fields:
    - name: TAMPMF
      description: Tamper X interrupt masked flag
      bit_offset: 0
      bit_size: 1
      array:
        len: 3
        stride: 1
    - name: ITAMPMF
      description: Internal tamper X interrupt masked flag
      bit_offset: 16
      bit_size: 1
      array:
        len: 8
        stride: 1
fieldset/SCR:
  description: TAMP status clear register
  fields:
    - name: CTAMPF
      description: Clear tamper X detection flag
      bit_offset: 0
      bit_size: 1
      array:
        len: 3
        stride: 1
    - name: CITAMPF
      description: Clear internal tamper X detection flag
      bit_offset: 16
      bit_size: 1
      array:
        len: 8
        stride: 1
fieldset/SR:
  description: TAMP status register
  fields:
    - name: TAMPF
      description: Tamper X detection flag
      bit_offset: 0
      bit_size: 1
      array:
        len: 3
        stride: 1
    - name: ITAMPF
      description: Internal tamper X detection flag
      bit_offset: 16
      bit_size: 1
      array:
        len: 8
        stride: 1
enum/BKERASE:
  bit_size: 1
  variants:
    - name: Reset
      description: Reset backup registers
      value: 1
enum/TAMPFLT:
  bit_size: 2
  variants:
    - name: NoFilter
      description: 'Tamper event is activated on edge of TAMP_INx input transitions to the active level (no internal pull-up on TAMP_INx input)"'
      value: 0
    - name: Filter2
      description: 'Tamper event is activated after 2 consecutive samples at the active level"'
      value: 1
    - name: Filter4
      description: 'Tamper event is activated after 4 consecutive samples at the active level"'
      value: 2
    - name: Filter8
      description: 'Tamper event is activated after 8 consecutive samples at the active level"'
      value: 3
enum/TAMPFREQ:
  bit_size: 3
  variants:
    - name: Hz_1
      description: RTCCLK / 32768 (1 Hz when RTCCLK = 32768 Hz)
      value: 0
    - name: Hz_2
      description: RTCCLK / 16384 (2 Hz when RTCCLK = 32768 Hz)
      value: 1
    - name: Hz_4
      description: RTCCLK / 8192 (4 Hz when RTCCLK = 32768 Hz)
      value: 2
    - name: Hz_8
      description: RTCCLK / 4096 (8 Hz when RTCCLK = 32768 Hz)
      value: 3
    - name: Hz_16
      description: RTCCLK / 2048 (16 Hz when RTCCLK = 32768 Hz)
      value: 4
    - name: Hz_32
      description: RTCCLK / 1024 (32 Hz when RTCCLK = 32768 Hz)
      value: 5
    - name: Hz_64
      description: RTCCLK / 512 (64 Hz when RTCCLK = 32768 Hz)
      value: 6
    - name: Hz_128
      description: RTCCLK / 256 (128 Hz when RTCCLK = 32768 Hz)
      value: 7
enum/TAMPMSK:
  bit_size: 1
  variants:
    - name: ResetBySoftware
      description: Tamper x event generates a trigger event and TAMPxF must be cleared by software to allow next tamper event detection
      value: 0
    - name: ResetByHardware
      description: Tamper x event generates a trigger event. TAMPxF is masked and internally cleared by hardware. The backup registers are not erased. The tamper x interrupt must not be enabled when TAMP3MSK is set
      value: 1
enum/TAMPPRCH:
  bit_size: 2
  variants:
    - name: Cycles1
      description: 1 RTCCLK cycle
      value: 0
    - name: Cycles2
      description: 2 RTCCLK cycles
      value: 1
    - name: Cycles4
      description: 4 RTCCLK cycles
      value: 2
    - name: Cycles8
      description: 8 RTCCLK cycles
      value: 3
enum/TAMPTRG:
  bit_size: 1
  variants:
    - name: FilteredLowOrUnfilteredHigh
      description: If TAMPFLT != 00 Tamper x input staying low triggers a tamper detection event. If TAMPFLT = 00 Tamper x input rising edge and high level triggers a tamper detection event
      value: 0
    - name: FilteredHighOrUnfilteredLow
      description: If TAMPFLT != 00 Tamper x input staying high triggers a tamper detection event. If TAMPFLT = 00 Tamper x input falling edge and low level triggers a tamper detection event
      value: 1