ATSAMD51J18A-AU

{
  "slug": "atsamd51j18a-au",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Pre-ordered MCUs, TQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "atsamd51j18a-au",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "atsamd51j18a-au.kicad_sym",
    "atsamd51j18a-au.kicad_mod",
    "atsamd51j18a-au.glb",
    "atsamd51j18a-au.step",
    "atsamd51j18a-au.lbr",
    "docs/hero.png",
    "docs/atsamd51j18a-au-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "atsamd51j18a-au-hero.glb",
    "atsamd51j18a-au-hero.overlay.json"
  ],
  "component": {
    "mpn": "ATSAMD51J18A-AU",
    "manufacturer": "Microchip Tech",
    "package": "TQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9793a584e47269a20b87364d41b6eaa9.pdf",
    "parts": {
      "symbol": "atsamd51j18a-au.kicad_sym",
      "footprint": "atsamd51j18a-au.kicad_mod",
      "model_3d": "atsamd51j18a-au-hero.glb",
      "model_3d_plain": "atsamd51j18a-au.glb",
      "model_3d_step": "atsamd51j18a-au-etched.step",
      "model_3d_step_plain": "atsamd51j18a-au.step",
      "lbr": "atsamd51j18a-au.lbr"
    },
    "distributor_links": {
      "lcsc": "C619212",
      "digikey": "ATSAMD51J18A-AU-ND",
      "mouser": "556-ATSAMD51J18AAU"
    },
    "distributor_check": {
      "checked_at": "2026-11-13T17:51:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATSAMD51J18A-AU-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-ATSAMD51J18AAU",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA00",
        "type": "bidirectional",
        "description": "General-purpose I/O PA00 (EXTINT[0]); also XIN32 for XOSC32K, SERCOM1/PAD[0], TC2/WO[0]."
      },
      {
        "number": "2",
        "name": "PA01",
        "type": "bidirectional",
        "description": "General-purpose I/O PA01 (EXTINT[1]); also XOUT32 for XOSC32K, SERCOM1/PAD[1], TC2/WO[1]."
      },
      {
        "number": "3",
        "name": "PA02",
        "type": "bidirectional",
        "description": "General-purpose I/O PA02 (EXTINT[2]) with ADC0/AIN[0] and DAC/VOUT[0]; RTC tamper IN2."
      },
      {
        "number": "4",
        "name": "PA03",
        "type": "bidirectional",
        "description": "General-purpose I/O PA03 (EXTINT[3]) with ADC0/AIN[1], ANAREF/VREFA and PTC X0/Y0."
      },
      {
        "number": "5",
        "name": "PB04",
        "type": "bidirectional",
        "description": "General-purpose I/O PB04 (EXTINT[4]) with ADC1/AIN[6] and PTC X22/Y22."
      },
      {
        "number": "6",
        "name": "PB05",
        "type": "bidirectional",
        "description": "General-purpose I/O PB05 (EXTINT[5]) with ADC1/AIN[7] and PTC X23/Y23."
      },
      {
        "number": "7",
        "name": "GNDANA",
        "type": "power_in",
        "description": "Ground for the analog supply (VDDANA)."
      },
      {
        "number": "8",
        "name": "VDDANA",
        "type": "power_in",
        "description": "Analog supply input."
      },
      {
        "number": "9",
        "name": "PB06",
        "type": "bidirectional",
        "description": "General-purpose I/O PB06 (EXTINT[6]) with ADC1/AIN[8], PTC X24/Y24, CCL/IN[6]."
      },
      {
        "number": "10",
        "name": "PB07",
        "type": "bidirectional",
        "description": "General-purpose I/O PB07 (EXTINT[7]) with ADC1/AIN[9], PTC X25/Y25, CCL/IN[7]."
      },
      {
        "number": "11",
        "name": "PB08",
        "type": "bidirectional",
        "description": "General-purpose I/O PB08 (EXTINT[8]) with ADC0/AIN[2], ADC1/AIN[0], SERCOM4/PAD[0], TC4/WO[0]."
      },
      {
        "number": "12",
        "name": "PB09",
        "type": "bidirectional",
        "description": "General-purpose I/O PB09 (EXTINT[9]) with ADC0/AIN[3], ADC1/AIN[1], SERCOM4/PAD[1], TC4/WO[1]."
      },
      {
        "number": "13",
        "name": "PA04",
        "type": "bidirectional",
        "description": "General-purpose I/O PA04 (EXTINT[4]) with ADC0/AIN[4], ANAREF/VREFB, AC/AIN[0], SERCOM0/PAD[0]."
      },
      {
        "number": "14",
        "name": "PA05",
        "type": "bidirectional",
        "description": "General-purpose I/O PA05 (EXTINT[5]) with ADC0/AIN[5], AC/AIN[1], DAC/VOUT[1], SERCOM0/PAD[1]."
      },
      {
        "number": "15",
        "name": "PA06",
        "type": "bidirectional",
        "description": "General-purpose I/O PA06 (EXTINT[6]) with ADC0/AIN[6], ANAREF/VREFC, AC/AIN[2], SERCOM0/PAD[2]."
      },
      {
        "number": "16",
        "name": "PA07",
        "type": "bidirectional",
        "description": "General-purpose I/O PA07 (EXTINT[7]) with ADC0/AIN[7], AC/AIN[3], SERCOM0/PAD[3]."
      },
      {
        "number": "17",
        "name": "PA08",
        "type": "bidirectional",
        "description": "General-purpose I/O PA08 (NMI), high-sink pin with I2C support, supplied by VDDIOB; ADC0/AIN[8], SERCOM0/PAD[0], QSPI/DATA[0]."
      },
      {
        "number": "18",
        "name": "PA09",
        "type": "bidirectional",
        "description": "General-purpose I/O PA09 (EXTINT[9]), high-sink pin with I2C support, supplied by VDDIOB; ADC0/AIN[9], SERCOM0/PAD[1], QSPI/DATA[1]."
      },
      {
        "number": "19",
        "name": "PA10",
        "type": "bidirectional",
        "description": "General-purpose I/O PA10 (EXTINT[10]) with ADC0/AIN[10], SERCOM0/PAD[2], QSPI/DATA[2], GCLK/IO[4]."
      },
      {
        "number": "20",
        "name": "PA11",
        "type": "bidirectional",
        "description": "General-purpose I/O PA11 (EXTINT[11]) with ADC0/AIN[11], SERCOM0/PAD[3], QSPI/DATA[3], GCLK/IO[5]."
      },
      {
        "number": "21",
        "name": "VDDIOB",
        "type": "power_in",
        "description": "I/O supply for the PA08-PA11 cluster (VDDIOB)."
      },
      {
        "number": "22",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "23",
        "name": "PB10",
        "type": "bidirectional",
        "description": "General-purpose I/O PB10 (EXTINT[10]) with SERCOM4/PAD[2], QSPI/SCK, GCLK/IO[4]."
      },
      {
        "number": "24",
        "name": "PB11",
        "type": "bidirectional",
        "description": "General-purpose I/O PB11 (EXTINT[11]) with SERCOM4/PAD[3], QSPI/CS, GCLK/IO[5]."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "General-purpose I/O PB12 (EXTINT[12]) with PTC X26/Y26, SERCOM4/PAD[0], CAN1/TX."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "General-purpose I/O PB13 (EXTINT[13]) with PTC X27/Y27, SERCOM4/PAD[1], CAN1/RX."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "General-purpose I/O PB14 (EXTINT[14]) with PTC X28/Y28, SERCOM4/PAD[2], GCLK/IO[0]."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "General-purpose I/O PB15 (EXTINT[15]) with PTC X29/Y29, SERCOM4/PAD[3], GCLK/IO[1]."
      },
      {
        "number": "29",
        "name": "PA12",
        "type": "bidirectional",
        "description": "General-purpose I/O PA12, high-sink pin with I2C support (supplied by VDDIO); multiplexed peripheral functions A-N."
      },
      {
        "number": "30",
        "name": "PA13",
        "type": "bidirectional",
        "description": "General-purpose I/O PA13, high-sink pin with I2C support (supplied by VDDIO); multiplexed peripheral functions A-N."
      },
      {
        "number": "31",
        "name": "PA14",
        "type": "bidirectional",
        "description": "General-purpose I/O PA14; also XIN for XOSC0 (VDDIO supply)."
      },
      {
        "number": "32",
        "name": "PA15",
        "type": "bidirectional",
        "description": "General-purpose I/O PA15; also XOUT for XOSC0 (VDDIO supply)."
      },
      {
        "number": "33",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "34",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O supply."
      },
      {
        "number": "35",
        "name": "PA16",
        "type": "bidirectional",
        "description": "General-purpose I/O PA16, high-sink pin with I2C support; GRXDV is available on this pin in the 64-pin package."
      },
      {
        "number": "36",
        "name": "PA17",
        "type": "bidirectional",
        "description": "General-purpose I/O PA17, high-sink pin with I2C support (supplied by VDDIO); multiplexed peripheral functions A-N."
      },
      {
        "number": "37",
        "name": "PA18",
        "type": "bidirectional",
        "description": "General-purpose I/O PA18; multiplexed peripheral functions A-N."
      },
      {
        "number": "38",
        "name": "PA19",
        "type": "bidirectional",
        "description": "General-purpose I/O PA19; multiplexed peripheral functions A-N."
      },
      {
        "number": "39",
        "name": "PB16",
        "type": "bidirectional",
        "description": "General-purpose I/O PB16; multiplexed peripheral functions A-N."
      },
      {
        "number": "40",
        "name": "PB17",
        "type": "bidirectional",
        "description": "General-purpose I/O PB17; multiplexed peripheral functions A-N."
      },
      {
        "number": "41",
        "name": "PA20",
        "type": "bidirectional",
        "description": "General-purpose I/O PA20 (EXTINT[4]) with PTC X14/Y14, SERCOM5/PAD[2], TC7/WO[0]."
      },
      {
        "number": "42",
        "name": "PA21",
        "type": "bidirectional",
        "description": "General-purpose I/O PA21 (EXTINT[5]) with PTC X15/Y15, SERCOM5/PAD[3], TC7/WO[1]."
      },
      {
        "number": "43",
        "name": "PA22",
        "type": "bidirectional",
        "description": "General-purpose I/O PA22 (EXTINT[6]), high-sink pin with I2C support; PTC X16/Y16, SERCOM3/PAD[0], TC4/WO[0]."
      },
      {
        "number": "44",
        "name": "PA23",
        "type": "bidirectional",
        "description": "General-purpose I/O PA23 (EXTINT[7]), high-sink pin with I2C support; PTC X17/Y17, SERCOM3/PAD[1], USB/SOF_1KHZ."
      },
      {
        "number": "45",
        "name": "PA24",
        "type": "bidirectional",
        "description": "General-purpose I/O PA24 (EXTINT[8]) with USB/DM, SERCOM3/PAD[2], CAN0/TX."
      },
      {
        "number": "46",
        "name": "PA25",
        "type": "bidirectional",
        "description": "General-purpose I/O PA25 (EXTINT[9]) with USB/DP, SERCOM3/PAD[3], CAN0/RX."
      },
      {
        "number": "47",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "48",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O supply."
      },
      {
        "number": "49",
        "name": "PB22",
        "type": "bidirectional",
        "description": "General-purpose I/O PB22 (EXTINT[6]); also XIN for XOSC1, SERCOM1/PAD[2], GCLK/IO[0]."
      },
      {
        "number": "50",
        "name": "PB23",
        "type": "bidirectional",
        "description": "General-purpose I/O PB23 (EXTINT[7]); also XOUT for XOSC1, SERCOM1/PAD[3], GCLK/IO[1]."
      },
      {
        "number": "51",
        "name": "PA27",
        "type": "bidirectional",
        "description": "General-purpose I/O PA27 (EXTINT[11]) with PTC X18/Y18 and GCLK/IO[1]."
      },
      {
        "number": "52",
        "name": "RESETN",
        "type": "input",
        "description": "Active-low external reset input."
      },
      {
        "number": "53",
        "name": "VDDCORE",
        "type": "power_in",
        "description": "Regulated core supply input/output (decoupling pin)."
      },
      {
        "number": "54",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "55",
        "name": "VSW",
        "type": "power_out",
        "description": "Switching output of the embedded buck regulator."
      },
      {
        "number": "56",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O supply."
      },
      {
        "number": "57",
        "name": "PA30",
        "type": "bidirectional",
        "description": "General-purpose I/O PA30 (EXTINT[14]); SWCLK serial wire debug clock, SERCOM7/PAD[2], GCLK/IO[0]."
      },
      {
        "number": "58",
        "name": "PA31",
        "type": "bidirectional",
        "description": "General-purpose I/O PA31 (EXTINT[15]); SWDIO serial wire debug data, SERCOM7/PAD[3]."
      },
      {
        "number": "59",
        "name": "PB30",
        "type": "bidirectional",
        "description": "General-purpose I/O PB30 (EXTINT[14]); SWO output in non-single-wire debug modes, SERCOM7/PAD[0]."
      },
      {
        "number": "60",
        "name": "PB31",
        "type": "bidirectional",
        "description": "General-purpose I/O PB31 (EXTINT[15]) with SERCOM7/PAD[1], TC0/WO[1], TCC4/WO[1]."
      },
      {
        "number": "61",
        "name": "PB00",
        "type": "bidirectional",
        "description": "General-purpose I/O PB00 (EXTINT[0]) with ADC0/AIN[12], PTC X30/Y30, RTC tamper IN0."
      },
      {
        "number": "62",
        "name": "PB01",
        "type": "bidirectional",
        "description": "General-purpose I/O PB01 (EXTINT[1]) with ADC0/AIN[13], PTC X31/Y31, RTC tamper OUT / SUPC OUT0."
      },
      {
        "number": "63",
        "name": "PB02",
        "type": "bidirectional",
        "description": "General-purpose I/O PB02 (EXTINT[2]) with ADC0/AIN[14], PTC X20/Y20, RTC tamper IN1 / SUPC OUT1."
      },
      {
        "number": "64",
        "name": "PB03",
        "type": "bidirectional",
        "description": "General-purpose I/O PB03 (EXTINT[3]) with ADC0/AIN[15], PTC X21/Y21, SERCOM5/PAD[1]."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Mux table page 34 (PA12-PA19, PB16-PB17 rows) is not in the supplied text, so these pins have generi; The datasheet labels VDDCORE and VSW as 'regulated input/output supply' without a pin direction; typ; The datasheet notes the exposed pad (VQFN) should be grounded, but the TQFP-64 package has no number"
        ],
        "pages_sent": 107,
        "cost_usd": 0.9864,
        "at": "2026-11-13T17:51:04"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/9793a584e47269a20b87364d41b6eaa9.pdf",
        "pages": 1934,
        "sha256": "6f02ccc3e69325ab",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "atsamd51j18a-au.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "60567e81b0770b6c519104183a7a05ba52dddc11146b5fbe21434fbb5801696c",
        "checked": "2026-11-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atsamd51j18a-au-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b11fb82f6c8958db96fefba8a2eb39c4c772bedde4137c24a9ff47b824ec4ea9",
        "checked": "2026-11-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "PT",
      "source_page": 1886,
      "D": {
        "nom_mm": 10.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 10.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E": {
        "nom_mm": 12.0,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.2,
        "range_mm": [
          null,
          1.2
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "atsamd51j18a-au.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}