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Ray Set visibility: public 4b8f40e 8h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "atsamd21j17d-au",
  "title": "ATSAMD21J17D-AU",
  "brief": "Microchip Tech Pre-ordered MCUs, TQFP-64(10x10). 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",
    "atsamd21j17d-au",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATSAMD21J17D-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/64c43a05f1f3a3e3f441cd9b2ec4f6c3.pdf",
    "parts": {
      "symbol": "atsamd21j17d-au.kicad_sym",
      "footprint": "atsamd21j17d-au.kicad_mod",
      "model_3d": "atsamd21j17d-au-hero.glb",
      "model_3d_plain": "atsamd21j17d-au-etched.glb",
      "model_3d_step": "atsamd21j17d-au-etched.step",
      "model_3d_step_plain": "atsamd21j17d-au.step",
      "lbr": "atsamd21j17d-au.lbr"
    },
    "distributor_links": {
      "lcsc": "C1338633",
      "digikey": "ATSAMD21J17D-AU-ND",
      "mouser": "556-ATSAMD21J17D-AU"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T19:00:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATSAMD21J17D-AU-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-ATSAMD21J17D-AU",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA00",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[0], SERCOM1/PAD[0], TCC2/WO[0]; XIN32 pin of the 32kHz crystal oscillator."
      },
      {
        "number": "2",
        "name": "PA01",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[1], SERCOM1/PAD[1], TCC2/WO[1]; XOUT32 pin of the 32kHz crystal oscillator."
      },
      {
        "number": "3",
        "name": "PA02",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[2], ADC AIN[0], PTC Y[0], DAC VOUT, TCC3/WO[0]."
      },
      {
        "number": "4",
        "name": "PA03",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[3], ADC/DAC VREFA, ADC AIN[1], PTC Y[1], TCC3/WO[1]."
      },
      {
        "number": "5",
        "name": "PB04",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[4], ADC AIN[12], PTC Y[10]."
      },
      {
        "number": "6",
        "name": "PB05",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[5], ADC AIN[13], PTC Y[11]."
      },
      {
        "number": "7",
        "name": "GNDANA",
        "type": "power_in",
        "description": "Ground for the analog power domain."
      },
      {
        "number": "8",
        "name": "VDDANA",
        "type": "power_in",
        "description": "Analog supply voltage, 1.62V-3.63V, with 100nF and 10uF decoupling recommended."
      },
      {
        "number": "9",
        "name": "PB06",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[6], ADC AIN[14], PTC Y[12]."
      },
      {
        "number": "10",
        "name": "PB07",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[7], ADC AIN[15], PTC Y[13]."
      },
      {
        "number": "11",
        "name": "PB08",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[8], ADC AIN[2], PTC Y[14], SERCOM4/PAD[0], TC4/WO[0], TCC3/WO[6]."
      },
      {
        "number": "12",
        "name": "PB09",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[9], ADC AIN[3], PTC Y[15], SERCOM4/PAD[1], TC4/WO[1], TCC3/WO[7]."
      },
      {
        "number": "13",
        "name": "PA04",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[4], ADC/VREFB, ADC AIN[4], AC AIN[0], PTC Y[2], SERCOM0/PAD[0], TCC0/WO[0], TCC3/WO[2]."
      },
      {
        "number": "14",
        "name": "PA05",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[5], ADC AIN[5], AC AIN[1], PTC Y[3], SERCOM0/PAD[1], TCC0/WO[1], TCC3/WO[3]."
      },
      {
        "number": "15",
        "name": "PA06",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[6], ADC AIN[6], AC AIN[2], PTC Y[4], SERCOM0/PAD[2], TCC1/WO[0], TCC3/WO[4]."
      },
      {
        "number": "16",
        "name": "PA07",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[7], ADC AIN[7], AC AIN[3], PTC Y[5], SERCOM0/PAD[3], TCC1/WO[1], TCC3/WO[5], I2S/SD[0]."
      },
      {
        "number": "17",
        "name": "PA08",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with NMI, ADC AIN[16], PTC X[0], SERCOM0/PAD[0], SERCOM2/PAD[0], TCC0/WO[0], TCC1/WO[2], I2S/SD[1]."
      },
      {
        "number": "18",
        "name": "PA09",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[9], ADC AIN[17], PTC X[1], SERCOM0/PAD[1], SERCOM2/PAD[1], TCC0/WO[1], TCC1/WO[3], I2S/MCK[0]."
      },
      {
        "number": "19",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[10], ADC AIN[18], PTC X[2], SERCOM0/PAD[2], SERCOM2/PAD[2], TCC1/WO[0], TCC0/WO[2], I2S/SCK[0], GCLK_IO[4]."
      },
      {
        "number": "20",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[11], ADC AIN[19], PTC X[3], SERCOM0/PAD[3], SERCOM2/PAD[3], TCC1/WO[1], TCC0/WO[3], I2S/FS[0], GCLK_IO[5]."
      },
      {
        "number": "21",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O supply voltage, 1.62V-3.63V, with 100nF and 10uF decoupling recommended."
      },
      {
        "number": "22",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "23",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[10], SERCOM4/PAD[2], TC5/WO[0], TCC0/WO[4], I2S/MCK[1], GCLK_IO[4]."
      },
      {
        "number": "24",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[11], SERCOM4/PAD[3], TC5/WO[1], TCC0/WO[5], I2S/SCK[1], GCLK_IO[5]."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[12], PTC X[12], SERCOM4/PAD[0], TC4/WO[0], TCC0/WO[6], I2S/FS[1], GCLK_IO[6]; supports I2C Hs mode."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[13], PTC X[13], SERCOM4/PAD[1], TC4/WO[1], TCC0/WO[7], GCLK_IO[7]; supports I2C Hs mode."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[14], PTC X[14], SERCOM4/PAD[2], TC5/WO[0], GCLK_IO[0]."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[15], PTC X[15], SERCOM4/PAD[3], TC5/WO[1], GCLK_IO[1]."
      },
      {
        "number": "29",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[12], SERCOM2/PAD[0], SERCOM4/PAD[0], TCC2/WO[0], TCC0/WO[6], AC/CMP[0]; supports I2C Hs mode."
      },
      {
        "number": "30",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[13], SERCOM2/PAD[1], SERCOM4/PAD[1], TCC2/WO[1], TCC0/WO[7], AC/CMP[1]; supports I2C Hs mode."
      },
      {
        "number": "31",
        "name": "PA14",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[14], SERCOM2/PAD[2], SERCOM4/PAD[2], TC3/WO[0], TCC0/WO[4], GCLK_IO[0]; XIN of the crystal oscillator."
      },
      {
        "number": "32",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[15], SERCOM2/PAD[3], SERCOM4/PAD[3], TC3/WO[1], TCC0/WO[5], GCLK_IO[1]; XOUT of the crystal oscillator."
      },
      {
        "number": "33",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "34",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O supply voltage, 1.62V-3.63V, with 100nF and 10uF decoupling recommended."
      },
      {
        "number": "35",
        "name": "PA16",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[0], PTC X[4], SERCOM1/PAD[0], SERCOM3/PAD[0], TCC2/WO[0], TCC0/WO[6], GCLK_IO[2]; supports I2C Hs mode."
      },
      {
        "number": "36",
        "name": "PA17",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[1], PTC X[5], SERCOM1/PAD[1], SERCOM3/PAD[1], TCC2/WO[1], TCC0/WO[7], GCLK_IO[3]; supports I2C Hs mode."
      },
      {
        "number": "37",
        "name": "PA18",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[2], PTC X[6], SERCOM1/PAD[2], SERCOM3/PAD[2], TC3/WO[0], TCC0/WO[2], AC/CMP[0]."
      },
      {
        "number": "38",
        "name": "PA19",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[3], PTC X[7], SERCOM1/PAD[3], SERCOM3/PAD[3], TC3/WO[1], TCC0/WO[3], I2S/SD[0], AC/CMP[1]."
      },
      {
        "number": "39",
        "name": "PB16",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[0], SERCOM5/PAD[0], TC6/WO[0], TCC0/WO[4], I2S/SD[1], GCLK_IO[2]; supports I2C Hs mode."
      },
      {
        "number": "40",
        "name": "PB17",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[1], SERCOM5/PAD[1], TC6/WO[1], TCC0/WO[5], I2S/MCK[0], GCLK_IO[3]; supports I2C Hs mode."
      },
      {
        "number": "41",
        "name": "PA20",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[4], PTC X[8], SERCOM5/PAD[2], SERCOM3/PAD[2], TC7/WO[0], TCC0/WO[6], I2S/SCK[0], GCLK_IO[4]."
      },
      {
        "number": "42",
        "name": "PA21",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[5], PTC X[9], SERCOM5/PAD[3], SERCOM3/PAD[3], TC7/WO[1], TCC0/WO[7], I2S/FS[0], GCLK_IO[5]."
      },
      {
        "number": "43",
        "name": "PA22",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[6], PTC X[10], SERCOM3/PAD[0], SERCOM5/PAD[0], TC4/WO[0], TCC0/WO[4], GCLK_IO[6]; supports I2C Hs mode."
      },
      {
        "number": "44",
        "name": "PA23",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[7], PTC X[11], SERCOM3/PAD[1], SERCOM5/PAD[1], TC4/WO[1], TCC0/WO[5], USB SOF 1kHz, GCLK_IO[7]; supports I2C Hs mode."
      },
      {
        "number": "45",
        "name": "PA24",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[12], SERCOM3/PAD[2], SERCOM5/PAD[2], TC5/WO[0], TCC1/WO[2], USB DM; enable a pull-up in GPIO input mode if left unconnected."
      },
      {
        "number": "46",
        "name": "PA25",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[13], SERCOM3/PAD[3], SERCOM5/PAD[3], TC5/WO[1], TCC1/WO[3], USB DP; enable a pull-up in GPIO input mode if left unconnected."
      },
      {
        "number": "47",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "48",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O supply voltage, 1.62V-3.63V, with 100nF and 10uF decoupling recommended."
      },
      {
        "number": "49",
        "name": "PB22",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[6], SERCOM5/PAD[2], TC7/WO[0], TCC3/WO[0], GCLK_IO[0]."
      },
      {
        "number": "50",
        "name": "PB23",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[7], SERCOM5/PAD[3], TC7/WO[1], TCC3/WO[1], GCLK_IO[1]."
      },
      {
        "number": "51",
        "name": "PA27",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[15], TCC3/WO[6], GCLK_IO[0]."
      },
      {
        "number": "52",
        "name": "RESET",
        "type": "input",
        "description": "Active-low external reset input with internal pull-up; low-level threshold below 0.33*VDDIO (VDDIO 1.6V-2.0V) or 0.36*VDDIO (VDDIO 2.7V-3.6V)."
      },
      {
        "number": "53",
        "name": "PA28",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[8], TCC3/WO[7], GCLK_IO[0]."
      },
      {
        "number": "54",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "55",
        "name": "VDDCORE",
        "type": "power_out",
        "description": "Regulated core supply output, 1.6V to 1.8V, requiring external 1uF decoupling capacitor."
      },
      {
        "number": "56",
        "name": "VDDIN",
        "type": "power_in",
        "description": "Input supply for the internal voltage regulator, 1.62V-3.63V."
      },
      {
        "number": "57",
        "name": "PA30",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[10], SERCOM1/PAD[2], TCC1/WO[0], TCC3/WO[4], GCLK_IO[0]; SWCLK for serial wire debug."
      },
      {
        "number": "58",
        "name": "PA31",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[11], SERCOM1/PAD[3], TCC1/WO[1], TCC3/WO[5]; SWDIO, active only in the presence of a debugger."
      },
      {
        "number": "59",
        "name": "PB30",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[14], SERCOM5/PAD[0], TCC0/WO[0], TCC1/WO[2]; supports I2C Hs mode."
      },
      {
        "number": "60",
        "name": "PB31",
        "type": "bidirectional",
        "description": "GPIO on VDDIO with EXTINT[15], SERCOM5/PAD[1], TCC0/WO[1], TCC1/WO[3]; supports I2C Hs mode."
      },
      {
        "number": "61",
        "name": "PB00",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[0], ADC AIN[8], PTC Y[6], SERCOM5/PAD[2], TC7/WO[0]."
      },
      {
        "number": "62",
        "name": "PB01",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[1], ADC AIN[9], PTC Y[7], SERCOM5/PAD[3], TC7/WO[1]."
      },
      {
        "number": "63",
        "name": "PB02",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[2], ADC AIN[10], PTC Y[8], SERCOM5/PAD[0], TC6/WO[0], TCC3/WO[2]."
      },
      {
        "number": "64",
        "name": "PB03",
        "type": "bidirectional",
        "description": "GPIO on VDDANA with EXTINT[3], ADC AIN[11], PTC Y[9], SERCOM5/PAD[1], TC6/WO[1], TCC3/WO[3]."
      }
    ],
    "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: The datasheet text does not state the package for the 'J' ordering code in this extract. TQFP64 pin ; Pin types are inferred: RESET is typed input, VDDCORE power_out as a regulator output, and all GPIO ; The XIN/XOUT pin mapping (PA14/PA15) and XIN32/XOUT32 (PA00/PA01) come from Table 7-3, not the pinou"
        ],
        "pages_sent": 121,
        "cost_usd": 0.9611,
        "at": "2026-10-26T18:59:53"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/64c43a05f1f3a3e3f441cd9b2ec4f6c3.pdf",
        "pages": 1115,
        "sha256": "3bdc7b5b2d256025",
        "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": "atsamd21j17d-au.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "60567e81b0770b6c519104183a7a05ba52dddc11146b5fbe21434fbb5801696c",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atsamd21j17d-au-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "0de4085d59c8028f044c2574dc292d2908ea48b043f9605a52d6bedf131d1481",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
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