ATMEGA809-AU

{
  "schema_version": 1,
  "type": "component",
  "slug": "atmega809-au",
  "title": "ATMEGA809-AU",
  "brief": "Microchip Tech Microcontrollers (MCU/MPU/SOC), TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "atmega809-au",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATMEGA809-AU",
    "manufacturer": "Microchip Tech",
    "package": "TQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://ww1.microchip.com/downloads/aemDocuments/documents/MCU08/ProductDocuments/DataSheets/ATmega808-09-1608-09-DataSheet-DS40002172C.pdf",
    "parts": {
      "symbol": "atmega809-au.kicad_sym",
      "footprint": "atmega809-au.kicad_mod",
      "model_3d": "atmega809-au-hero.glb",
      "model_3d_plain": "atmega809-au-etched.glb",
      "model_3d_step": "atmega809-au-etched.step",
      "model_3d_step_plain": "atmega809-au.step",
      "lbr": "atmega809-au.lbr"
    },
    "distributor_links": {
      "lcsc": "C3236107",
      "digikey": "150-ATMEGA809-AU-ND",
      "mouser": "556-ATMEGA809-AU"
    },
    "distributor_check": {
      "checked_at": "2026-10-24T08:48:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "150-ATMEGA809-AU-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-ATMEGA809-AU",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5 with alternates USART0 RxD (alternate position), SPI0 MISO and TCA0 WO5, and it can be used as an event input and external interrupt source."
      },
      {
        "number": "2",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6 with alternates USART0 XCK (alternate position), SPI0 SCK and CCL LUT0 OUT, and it can be used as an event input and external interrupt source."
      },
      {
        "number": "3",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7 with alternates CLKOUT, AC0 OUT, USART0 XDIR (alternate position), SPI0 SS and EVSYS output EVOUTA (alternate position)."
      },
      {
        "number": "4",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0 with alternates USART3 TxD and TCA0 WO0 (alternate position)."
      },
      {
        "number": "5",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1 with alternates USART3 RxD and TCA0 WO1 (alternate position)."
      },
      {
        "number": "6",
        "name": "PB2",
        "type": "bidirectional",
        "description": "GPIO PB2 with alternates USART3 XCK, TCA0 WO2 (alternate position) and EVSYS output EVOUTB."
      },
      {
        "number": "7",
        "name": "PB3",
        "type": "bidirectional",
        "description": "GPIO PB3 with alternates USART3 XDIR and TCA0 WO3 (alternate position)."
      },
      {
        "number": "8",
        "name": "PB4",
        "type": "bidirectional",
        "description": "GPIO PB4 with alternates USART3 TxD, TCA0 WO4 and TCB2 WO (alternate positions)."
      },
      {
        "number": "9",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5 with alternates USART3 RxD, TCA0 WO5 and TCB3 WO (alternate positions)."
      },
      {
        "number": "10",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO PC0 with alternates USART1 TxD, SPI0 MOSI, TCA0 WO0, TCB2 WO and CCL LUT1-IN0."
      },
      {
        "number": "11",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO PC1 with alternates USART1 RxD, SPI0 MISO, TCA0 WO1, TCB3 WO and CCL LUT1-IN1."
      },
      {
        "number": "12",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO PC2 with alternates USART1 XCK, SPI0 SCK, TWI SDA (host, alternate position), TCA0 WO2, EVSYS output EVOUTC and CCL LUT1-IN2."
      },
      {
        "number": "13",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO PC3 with alternates USART1 XDIR, SPI0 SS, TWI SCL (host, alternate position), TCA0 WO3 and CCL LUT1 OUT."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply pin for the VDD power domain; device supply range is 1.8-5.5 V per the ordering information."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "16",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO PC4 with alternates USART1 TxD (alternate position) and TCA0 WO4 (alternate position)."
      },
      {
        "number": "17",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO PC5 with alternates USART1 RxD (alternate position) and TCA0 WO5 (alternate position)."
      },
      {
        "number": "18",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO PC6 with alternates USART1 XCK (alternate position) and CCL LUT1 OUT (alternate position)."
      },
      {
        "number": "19",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO PC7 with alternates USART1 XDIR (alternate position) and EVSYS output EVOUTC (alternate position)."
      },
      {
        "number": "20",
        "name": "PD0",
        "type": "bidirectional",
        "description": "GPIO PD0 with alternates ADC0 AIN0, TCA0 WO0 (alternate position) and CCL LUT2-IN0."
      },
      {
        "number": "21",
        "name": "PD1",
        "type": "bidirectional",
        "description": "GPIO PD1 with alternates ADC0 AIN1, AC0 P3, TCA0 WO1 (alternate position) and CCL LUT2-IN1."
      },
      {
        "number": "22",
        "name": "PD2",
        "type": "bidirectional",
        "description": "GPIO PD2 with alternates ADC0 AIN2, AC0 P0, TCA0 WO2 (alternate position), EVSYS output EVOUTD and CCL LUT2-IN2."
      },
      {
        "number": "23",
        "name": "PD3",
        "type": "bidirectional",
        "description": "GPIO PD3 with alternates ADC0 AIN3, AC0 N0, TCA0 WO3 (alternate position) and CCL LUT2 OUT."
      },
      {
        "number": "24",
        "name": "PD4",
        "type": "bidirectional",
        "description": "GPIO PD4 with alternates ADC0 AIN4, AC0 P1 and TCA0 WO4 (alternate position)."
      },
      {
        "number": "25",
        "name": "PD5",
        "type": "bidirectional",
        "description": "GPIO PD5 with alternates ADC0 AIN5, AC0 N1 and TCA0 WO5 (alternate position)."
      },
      {
        "number": "26",
        "name": "PD6",
        "type": "bidirectional",
        "description": "GPIO PD6 with alternates ADC0 AIN6, AC0 P2 and CCL LUT2 OUT (alternate position)."
      },
      {
        "number": "27",
        "name": "PD7",
        "type": "bidirectional",
        "description": "GPIO PD7 with alternates ADC0 VREFA, ADC0 AIN7, AC0 N2 and EVSYS output EVOUTD (alternate position)."
      },
      {
        "number": "28",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply pin for the AVDD power domain, which supplies the analog functions such as the ADC and AC."
      },
      {
        "number": "29",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "30",
        "name": "PE0",
        "type": "bidirectional",
        "description": "GPIO PE0 with alternates ADC0 AIN8, SPI0 MOSI (alternate position) and TCA0 WO0 (alternate position)."
      },
      {
        "number": "31",
        "name": "PE1",
        "type": "bidirectional",
        "description": "GPIO PE1 with alternates ADC0 AIN9, SPI0 MISO (alternate position) and TCA0 WO1 (alternate position)."
      },
      {
        "number": "32",
        "name": "PE2",
        "type": "bidirectional",
        "description": "GPIO PE2 with alternates ADC0 AIN10, SPI0 SCK (alternate position), TCA0 WO2 (alternate position) and EVSYS output EVOUTE."
      },
      {
        "number": "33",
        "name": "PE3",
        "type": "bidirectional",
        "description": "GPIO PE3 with alternates ADC0 AIN11, SPI0 SS (alternate position) and TCA0 WO3 (alternate position)."
      },
      {
        "number": "34",
        "name": "PF0 (TOSC1)",
        "type": "bidirectional",
        "description": "GPIO PF0 with alternates TOSC1 (crystal/clock input for the 32.768 kHz oscillator), USART2 TxD (alternate position), TCA0 WO0 (alternate position) and CCL LUT3-IN0."
      },
      {
        "number": "35",
        "name": "PF1 (TOSC2)",
        "type": "bidirectional",
        "description": "GPIO PF1 with alternates TOSC2 (crystal connection for the 32.768 kHz oscillator), USART2 RxD (alternate position), TCA0 WO1 (alternate position) and CCL LUT3-IN1."
      },
      {
        "number": "36",
        "name": "PF2",
        "type": "bidirectional",
        "description": "GPIO PF2 with alternates TWI SDA (client, alternate position), ADC0 AIN12, USART2 XCK (alternate position), TCA0 WO2 (alternate position), EVSYS output EVOUTF and CCL LUT3-IN2."
      },
      {
        "number": "37",
        "name": "PF3",
        "type": "bidirectional",
        "description": "GPIO PF3 with alternates TWI SCL (client, alternate position), ADC0 AIN13, USART2 XDIR (alternate position), TCA0 WO3 (alternate position) and CCL LUT3 OUT."
      },
      {
        "number": "38",
        "name": "PF4",
        "type": "bidirectional",
        "description": "GPIO PF4 with alternates ADC0 AIN14, USART2 TxD (alternate position), TCA0 WO4 (alternate position) and TCB0 WO (alternate position)."
      },
      {
        "number": "39",
        "name": "PF5",
        "type": "bidirectional",
        "description": "GPIO PF5 with alternates ADC0 AIN15, USART2 RxD (alternate position), TCA0 WO5 (alternate position) and TCB1 WO (alternate position)."
      },
      {
        "number": "40",
        "name": "PF6 (RESET)",
        "type": "bidirectional",
        "description": "GPIO PF6, which is the external RESET pin when the RSTPINCFG fuse selects RESET, and otherwise has alternates USART2 XCK (alternate position) and CCL LUT3 OUT (alternate position)."
      },
      {
        "number": "41",
        "name": "UPDI",
        "type": "bidirectional",
        "description": "Unified Program and Debug Interface pin used for programming and debugging the device."
      },
      {
        "number": "42",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply pin for the VDD power domain; device supply range is 1.8-5.5 V per the ordering information."
      },
      {
        "number": "43",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "44",
        "name": "PA0 (EXTCLK)",
        "type": "bidirectional",
        "description": "GPIO PA0 with alternates EXTCLK (external clock input), USART0 TxD (alternate position), TCA0 WO0 and CCL LUT0-IN0."
      },
      {
        "number": "45",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1 with alternates USART0 RxD, TCA0 WO1 and CCL LUT0-IN1."
      },
      {
        "number": "46",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2 with alternates TWI SDA (host, default), USART0 XCK, TCA0 WO2, TCB0 WO, EVSYS output EVOUTA and CCL LUT0-IN2."
      },
      {
        "number": "47",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3 with alternates TWI SCL (host, default), USART0 XDIR, TCA0 WO3, TCB1 WO and CCL LUT0 OUT."
      },
      {
        "number": "48",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4 with alternates USART0 TxD (alternate position), SPI0 MOSI and TCA0 WO4."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Package mapping: ATMEGA809-AU is listed in the ordering table (page 520) as a 48-pin TQFP, 20 MHz, 1; Source of pin numbers: the pinout diagram on page 16 is not recoverable from the extracted text, so ; Power domain per pin (VDD vs AVDD GPIO groups) is shown only by colour coding in the page 16 figure,"
        ],
        "pages_sent": 102,
        "cost_usd": 0.3613,
        "at": "2026-10-24T08:48:36"
      },
      "datasheet": {
        "url": "https://ww1.microchip.com/downloads/aemDocuments/documents/MCU08/ProductDocuments/DataSheets/ATmega808-09-1608-09-DataSheet-DS40002172C.pdf",
        "pages": 552,
        "sha256": "e4bbeee766cda6b4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "atmega809-au.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "14ca7676e4932e92f0eca0c6d56ce3018cd28a2531204a70ab7bbacb3eeb3cf5",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atmega809-au-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e9be419803eef14f155a3191858fd3bda840a49e541c357d01e70e420e3e9a5a",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TQFP-48(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "48"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e4bbeee766cda6b43db205e48607d2df59a200495ddec19b293ce36db621e8ef",
      "rows": [
        {
          "name": "Supply Voltage (ATmega809-AU, 48-pin TQFP, -40°C to +85°C grade)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 520,
          "source": "datasheet"
        },
        {
          "name": "Temperature Range (ATmega809-AU)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 520,
          "source": "datasheet"
        },
        {
          "name": "Max. CPU Speed (ATmega809-AU)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 520,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "atmega809-au"
  ],
  "discovery_pitch": "ATMEGA809-AU (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "atmega809-au.kicad_sym",
    "atmega809-au.kicad_mod",
    "atmega809-au.glb",
    "atmega809-au.step",
    "atmega809-au.lbr",
    "docs/hero.png",
    "docs/atmega809-au-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "atmega809-au-hero.glb",
    "atmega809-au-hero.overlay.json",
    "atmega809-au-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}