_include:
  - "common/ac.yaml"
  - "common/wdt.yaml"

  - "timer/attiny85.yaml"

AC:
  _modify:
    DIDR0:
      description: "Digital Input Disable Register 0"
ADC:
  _modify:
    ADCSRA:
      description: "ADC Control and Status Register A"
  ADCSRA:
    ADPS:
      _replace_enum:
        PRESCALER_2: [1, "Prescaler Value 2"]
        PRESCALER_4: [2, "Prescaler Value 4"]
        PRESCALER_8: [3, "Prescaler Value 8"]
        PRESCALER_16: [4, "Prescaler Value 16"]
        PRESCALER_32: [5, "Prescaler Value 32"]
        PRESCALER_64: [6, "Prescaler Value 64"]
        PRESCALER_128: [7, "Prescaler Value 128"]
  ADCSRB:
    ADTS:
      _replace_enum:
        FREE: [0, "Free Running mode"]
        AC: [1, "Analog Comparator"]
        INT0: [2, "External Interrupt Request 0"]
        TC0_CMA: [3, "Timer/Counter0 Compare Match A"]
        TC0_OVF: [4, "Timer/Counter0 Overflow"]
        TC0_CMB: [5, "Timer/Counter0 Compare Match B"]
        PCIR: [6, "Pin Change Interrupt Request"]
  ADMUX:
    _modify:
      MUX:
        _write_constraint: enum
      REFS:
        _write_constraint: enum
    MUX:
      _replace_enum:
        ADC0: [0, "Single-ended Input ADC0"]
        ADC1: [1, "Single-ended Input ADC1"]
        ADC2: [2, "Single-ended Input ADC2"]
        ADC3: [3, "Single-ended Input ADC3"]
        ADC2_ADC2_G1: [4, "Differential Inputs Positive ADC2 Negative ADC2 1x Gain"]
        ADC2_ADC2_G20: [5, "Differential Inputs Positive ADC2 Negative ADC2 20x Gain"]
        ADC2_ADC3_G1: [6, "Differential Inputs Positive ADC2 Negative ADC3 1x Gain"]
        ADC2_ADC3_G20: [7, "Differential Inputs Positive ADC2 Negative ADC3 20x Gain"]
        ADC0_ADC0_G1: [8, "Differential Inputs Positive ADC0 Negative ADC0 1x Gain"]
        ADC0_ADC0_G20: [9, "Differential Inputs Positive ADC0 Negative ADC0 20x Gain"]
        ADC0_ADC1_G1: [10, "Differential Inputs Positive ADC0 Negative ADC1 1x Gain"]
        ADC0_ADC1_G20: [11, "Differential Inputs Postive ADC0 Negative ADC1 20x Gain"]
        ADC_VBG: [12, "Internal Reference (VBG)"]
        ADC_GND: [13, "0V (GND)"]
        TEMPSENS: [15, "Temperature sensor"]
    REFS:
      _replace_enum:
        VCC: [0, "Vcc used as Voltage Reference, disconnected from Aref"]
        AREF: [1, "External Voltage Reference at AREF pin, Internal Voltage Reference turned off"]
        INTERNAL: [2, "Internal Voltage Reference (1.1V when REFS2 is cleared, 2.56V when REFS2 is set) without external bypass"]
        INTERNAL_BYPASS: [3, "Internal 2.56V Voltage Reference with external bypass capacitor at AREF pin (REFS2 must be set)"]
CPU:
  _modify:
    CLKPR:
      access: read-write
    MCUSR:
      access: read-write
    OSCCAL:
      access: read-write
  CLKPR:
    CLKPS:
      _replace_enum:
        PRESCALER_1: [0, "Prescaler Value 1"]
        PRESCALER_2: [1, "Prescaler Value 2"]
        PRESCALER_4: [2, "Prescaler Value 4"]
        PRESCALER_8: [3, "Prescaler Value 8"]
        PRESCALER_16: [4, "Prescaler Value 16"]
        PRESCALER_32: [5, "Prescaler Value 32"]
        PRESCALER_64: [6, "Prescaler Value 64"]
        PRESCALER_128: [7, "Prescaler Value 128"]
        PRESCALER_256: [8, "Prescaler Value 256"]
  MCUCR:
    _delete:
      ISC?:
    _add:
      BODS:
        description: "BOD Sleep (available on some devices)"
        bitOffset: 7
        bitWidth: 1
        access: read-write
      BODSE:
        description: "BOD Sleep Enable (available on some devices)"
        bitOffset: 2
        bitWidth: 1
        access: read-write
  OSCCAL:
    _modify:
      CAL:
        access: read-write
  PLLCSR:
    _modify:
      PLOCK:
        access: read-only
EEPROM:
  EECR:
    EEPM:
      _replace_enum:
        ATOMIC: [0, "Atomic (erase and write in one operation)"]
        ERASE: [1, "Erase only"]
        WRITE: [2, "Write only"]
EXINT:
  _modify:
    GIFR:
      access: read-write
  MCUCR:
    _delete:
      ISC??:
    _add:
      ISC0:
        description: "Interrupt Sense Control 0 bits"
        bitOffset: 0
        bitWidth: 2
        access: read-write
    ISC0:
      _replace_enum:
        LOW: [0, "The low level of INTx generates an interrupt request"]
        TOGGLE: [1, "Any logical change on INTx generates an interrupt request"]
        FALLING: [2, "The falling edge of INTx generates an interrupt request"]
        RISING: [3, "The rising edge of INTx generates an interrupt request"]
USI:
  _modify:
    USISR:
      access: read-write
  USICR:
    _modify:
      USICLK:
        access: write-only
      USITC:
        access: write-only
    USIWM:
      _replace_enum:
        DISABLED:        [0, "All detectors disabled. Port pins operates as normal."]
        THREE_WIRE:      [1, "Three-wire mode. Uses DO, DI, and USCK pins."]
        TWO_WIRE_SLAVE:  [2, "Two-wire mode (Slave). Uses SDA (DI) and SCL (USCK) pins."]
        TWO_WIRE_MASTER: [3, "Two-wire mode (Master). Uses SDA and SCL pins."]
    USICS:
      NO_CLOCK: [0, "No Clock/Software clock strobe"]
      TC0:      [1, "Timer/Counter0 Compare Match"]
      EXT_POS:  [2, "External, positive edge"]
      EXT_NEG:  [3, "External, negative edge"]
  USISR:
    _modify:
      USIDC:
        access: read-only