ATSAMC21J17A-AUT

{
  "schema_version": 1,
  "type": "component",
  "slug": "atsamc21j17a-aut",
  "title": "ATSAMC21J17A-AUT",
  "brief": "Microchip Tech MICROCHIP, 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",
    "atsamc21j17a-aut",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATSAMC21J17A-AUT",
    "manufacturer": "Microchip Tech",
    "package": "TQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "MICROCHIP",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a58169f09b038b0a0be16fc3a2e600ec.pdf",
    "parts": {
      "symbol": "atsamc21j17a-aut.kicad_sym",
      "footprint": "atsamc21j17a-aut.kicad_mod",
      "model_3d": "atsamc21j17a-aut-hero.glb",
      "model_3d_plain": "atsamc21j17a-aut-etched.glb",
      "model_3d_step": "atsamc21j17a-aut-etched.step",
      "model_3d_step_plain": "atsamc21j17a-aut.step",
      "lbr": "atsamc21j17a-aut.lbr"
    },
    "distributor_links": {
      "lcsc": "C480628",
      "digikey": "150-ATSAMC21J17A-AUTTR-ND",
      "mouser": "556-ATSAMC21J17A-AUT"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T09:02:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "150-ATSAMC21J17A-AUTTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-ATSAMC21J17A-AUT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA00",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[0], SERCOM1/PAD[0], TCC2/WO[0] and XIN32 (32 kHz crystal input) functions."
      },
      {
        "number": "2",
        "name": "PA01",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[1], SERCOM1/PAD[1], TCC2/WO[1] and XOUT32 (32 kHz crystal output) functions."
      },
      {
        "number": "3",
        "name": "PA02",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[2], analog inputs AIN[0]/AIN[4], PTC Y[0] and DAC VOUT."
      },
      {
        "number": "4",
        "name": "PA03",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[3], ADC/VREFA external reference, analog inputs AIN[1]/AIN[5] and PTC Y[1]."
      },
      {
        "number": "5",
        "name": "PB04",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[4], analog input AIN[6] and PTC Y[10]."
      },
      {
        "number": "6",
        "name": "PB05",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[5], analog inputs AIN[7]/AIN[6] and 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, 2.7V to 5.5V, with 100nF and 10µF decoupling and a ferrite bead recommended."
      },
      {
        "number": "9",
        "name": "PB06",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[6], analog inputs AIN[8]/AIN[7], PTC Y[12], SDADC INN[2] and CCL2/IN[6]."
      },
      {
        "number": "10",
        "name": "PB07",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[7], analog input AIN[9], PTC Y[13], SDADC INP[2] and CCL2/IN[7]."
      },
      {
        "number": "11",
        "name": "PB08",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[8], analog inputs AIN[2]/AIN[4], PTC Y[14], SDADC INN[1], SERCOM4/PAD[0], TC0/WO[0] and CCL2/IN[8]."
      },
      {
        "number": "12",
        "name": "PB09",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[9], analog inputs AIN[3]/AIN[5], PTC Y[15], SDADC INP[1], SERCOM4/PAD[1], TC0/WO[1] and CCL2/OUT[2]."
      },
      {
        "number": "13",
        "name": "PA04",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[4], SDADC/VREFB reference, analog inputs AIN[4]/AIN[0], PTC Y[2], SERCOM0/PAD[0], TCC0/WO[0] and CCL0/IN[0]."
      },
      {
        "number": "14",
        "name": "PA05",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[5], analog inputs AIN[5]/AIN[1], PTC Y[3], SERCOM0/PAD[1], TCC0/WO[1] and CCL0/IN[1]."
      },
      {
        "number": "15",
        "name": "PA06",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[6], analog inputs AIN[6]/AIN[2], PTC Y[4], SDADC INN[0], SERCOM0/PAD[2], TCC1/WO[0] and CCL0/IN[2]."
      },
      {
        "number": "16",
        "name": "PA07",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[7], analog inputs AIN[7]/AIN[3], PTC Y[5], SDADC INP[0], SERCOM0/PAD[3], TCC1/WO[1] and CCL0/OUT[0]."
      },
      {
        "number": "17",
        "name": "PA08",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with NMI, analog inputs AIN[8]/AIN[10], PTC X[0]/Y[16], SERCOM0/PAD[0], SERCOM2/PAD[0] (I2C capable), TCC0/WO[0] and CCL1/IN[3]."
      },
      {
        "number": "18",
        "name": "PA09",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[9], analog inputs AIN[9]/AIN[11], PTC X[1]/Y[17], SERCOM0/PAD[1], SERCOM2/PAD[1] (I2C capable), TCC0/WO[1] and CCL1/IN[4]."
      },
      {
        "number": "19",
        "name": "PA10",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O on VDDIO supply with EXTINT[10], AIN[10], PTC X[2]/Y[18], SERCOM0/PAD[2], SERCOM2/PAD[2], TCC1/WO[0], GCLK_IO[4] and CCL1/IN[5]."
      },
      {
        "number": "20",
        "name": "PA11",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O on VDDIO supply with EXTINT[11], AIN[11], PTC X[3]/Y[19], SERCOM0/PAD[3], SERCOM2/PAD[3], TCC1/WO[1], GCLK_IO[5] and CCL1/OUT[1]."
      },
      {
        "number": "21",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply voltage, 2.7V to 5.5V, with 100nF and 10µF decoupling."
      },
      {
        "number": "22",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "23",
        "name": "PB10",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O on VDDIO supply with EXTINT[10], SERCOM4/PAD[2], TC1/WO[0], TCC0/WO[4], CAN1/TX, GCLK_IO[4] and CCL1/IN[5]."
      },
      {
        "number": "24",
        "name": "PB11",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O on VDDIO supply with EXTINT[11], SERCOM4/PAD[3], TC1/WO[1], TCC0/WO[5], CAN1/RX, GCLK_IO[5] and CCL1/OUT[1]."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[12], PTC X[12]/Y[28], SERCOM4/PAD[0] (I2C capable), TC0/WO[0], TCC0/WO[6] and GCLK_IO[6]."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[13], PTC X[13]/Y[29], SERCOM4/PAD[1] (I2C capable), TC0/WO[1], TCC0/WO[7] and GCLK_IO[7]."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[14], PTC X[14]/Y[30], SERCOM4/PAD[2], TC1/WO[0], CAN1/TX, GCLK_IO[0] and CCL3/IN[9]."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[15], PTC X[15]/Y[31], SERCOM4/PAD[3], TC1/WO[1], CAN1/RX, GCLK_IO[1] and CCL3/IN[10]."
      },
      {
        "number": "29",
        "name": "PA12",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[12], SERCOM2/PAD[0], SERCOM4/PAD[0] (I2C capable), TCC2/WO[0], TCC0/WO[6] and AC/CMP[0]."
      },
      {
        "number": "30",
        "name": "PA13",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[13], SERCOM2/PAD[1], SERCOM4/PAD[1] (I2C capable), TCC2/WO[1], TCC0/WO[7] and AC/CMP[1]."
      },
      {
        "number": "31",
        "name": "PA14",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[14], SERCOM2/PAD[2], SERCOM4/PAD[2], TC4/WO[0], TCC0/WO[4], GCLK_IO[0] and XOSC crystal input XIN."
      },
      {
        "number": "32",
        "name": "PA15",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[15], SERCOM2/PAD[3], SERCOM4/PAD[3], TC4/WO[1], TCC0/WO[5], GCLK_IO[1] and XOSC crystal output XOUT."
      },
      {
        "number": "33",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "34",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply voltage, 2.7V to 5.5V, with 100nF and 10µF decoupling."
      },
      {
        "number": "35",
        "name": "PA16",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[0], PTC X[4]/Y[20], SERCOM1/PAD[0], SERCOM3/PAD[0] (I2C capable), TCC2/WO[0], TCC0/WO[6], GCLK_IO[2] and CCL0/IN[0]."
      },
      {
        "number": "36",
        "name": "PA17",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[1], PTC X[5]/Y[21], SERCOM1/PAD[1], SERCOM3/PAD[1] (I2C capable), TCC2/WO[1], TCC0/WO[7], GCLK_IO[3] and CCL0/IN[1]."
      },
      {
        "number": "37",
        "name": "PA18",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[2], PTC X[6]/Y[22], SERCOM1/PAD[2], SERCOM3/PAD[2], TC4/WO[0], TCC0/WO[2], AC/CMP[0] and CCL0/IN[2]."
      },
      {
        "number": "38",
        "name": "PA19",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[3], PTC X[7]/Y[23], SERCOM1/PAD[3], SERCOM3/PAD[3], TC4/WO[1], TCC0/WO[3], AC/CMP[1] and CCL0/OUT[0]."
      },
      {
        "number": "39",
        "name": "PB16",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[0], SERCOM5/PAD[0] (I2C capable), TC2/WO[0], TCC0/WO[4], GCLK_IO[2] and CCL3/IN[11]."
      },
      {
        "number": "40",
        "name": "PB17",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[1], SERCOM5/PAD[1] (I2C capable), TC2/WO[1], TCC0/WO[5], GCLK_IO[3] and CCL3/OUT[3]."
      },
      {
        "number": "41",
        "name": "PA20",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[4], PTC X[8]/Y[24], SERCOM5/PAD[2], SERCOM3/PAD[2], TC3/WO[0], TCC0/WO[6] and GCLK_IO[4]."
      },
      {
        "number": "42",
        "name": "PA21",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[5], PTC X[9]/Y[25], SERCOM5/PAD[3], SERCOM3/PAD[3], TC3/WO[1], TCC0/WO[7] and GCLK_IO[5]."
      },
      {
        "number": "43",
        "name": "PA22",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[6], PTC X[10]/Y[26], SERCOM3/PAD[0] (I2C capable), SERCOM5/PAD[0], TC0/WO[0], TCC0/WO[4], GCLK_IO[6] and CCL2/IN[6]."
      },
      {
        "number": "44",
        "name": "PA23",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[7], PTC X[11]/Y[27], SERCOM3/PAD[1] (I2C capable), SERCOM5/PAD[1], TC0/WO[1], TCC0/WO[5], GCLK_IO[7] and CCL2/IN[7]."
      },
      {
        "number": "45",
        "name": "PA24",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[12], SERCOM3/PAD[2], SERCOM5/PAD[2], TC1/WO[0], TCC1/WO[2], CAN0/TX, AC/CMP[2] and CCL2/IN[8]."
      },
      {
        "number": "46",
        "name": "PA25",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIO supply with EXTINT[13], SERCOM3/PAD[3], SERCOM5/PAD[3], TC1/WO[1], TCC1/WO[3], CAN0/RX, AC/CMP[3] and CCL2/OUT[2]."
      },
      {
        "number": "47",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "48",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply voltage, 2.7V to 5.5V, with 100nF and 10µF decoupling."
      },
      {
        "number": "49",
        "name": "PB22",
        "type": "bidirectional",
        "description": "General-purpose I/O with EXTINT[6], SERCOM5/PAD[2], TC3/WO[0], CAN0/TX, GCLK_IO[0] and CCL0/IN[0]."
      },
      {
        "number": "50",
        "name": "PB23",
        "type": "bidirectional",
        "description": "General-purpose I/O with EXTINT[7], SERCOM5/PAD[3], TC3/WO[1], CAN0/RX, GCLK_IO[1] and CCL0/OUT[0]."
      },
      {
        "number": "51",
        "name": "PA27",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIN supply with EXTINT[15] and GCLK_IO[0]."
      },
      {
        "number": "52",
        "name": "RESETN",
        "type": "input",
        "description": "Active-low external reset input."
      },
      {
        "number": "53",
        "name": "PA28",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIN supply with EXTINT[8] and GCLK_IO[0]."
      },
      {
        "number": "54",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "55",
        "name": "VDDCORE",
        "type": "power_out",
        "description": "Regulated core supply output, 1.1V to 1.3V typical, with 100nF and 1µF external decoupling."
      },
      {
        "number": "56",
        "name": "VDDIN",
        "type": "power_in",
        "description": "Digital supply input, 2.7V to 5.5V, with 100nF and 10µF decoupling."
      },
      {
        "number": "57",
        "name": "PA30",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIN supply with EXTINT[10], SERCOM1/PAD[2], TCC1/WO[0], GCLK_IO[0], CCL1/IN[3] and SWCLK for Serial Wire Debug."
      },
      {
        "number": "58",
        "name": "PA31",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIN supply with EXTINT[11], SERCOM1/PAD[3], TCC1/WO[1], CCL1/OUT[1] and SWDIO for Serial Wire Debug."
      },
      {
        "number": "59",
        "name": "PB30",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIN supply with EXTINT[14], SERCOM5/PAD[0] (I2C capable), TCC0/WO[0], TCC1/WO[2] and AC/CMP[2]."
      },
      {
        "number": "60",
        "name": "PB31",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDIN supply with EXTINT[15], SERCOM5/PAD[1] (I2C capable), TCC0/WO[1], TCC1/WO[3] and AC/CMP[3]."
      },
      {
        "number": "61",
        "name": "PB00",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[0], analog input AIN[0], PTC Y[6], SERCOM5/PAD[2], TC3/WO[0] and CCL0/IN[1]."
      },
      {
        "number": "62",
        "name": "PB01",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[1], analog input AIN[1], PTC Y[7], SERCOM5/PAD[3], TC3/WO[1] and CCL0/IN[2]."
      },
      {
        "number": "63",
        "name": "PB02",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[2], analog input AIN[2], PTC Y[8], SERCOM5/PAD[0], TC2/WO[0] and CCL0/OUT[0]."
      },
      {
        "number": "64",
        "name": "PB03",
        "type": "bidirectional",
        "description": "General-purpose I/O on VDDANA supply with EXTINT[3], analog input AIN[3], PTC Y[9], SERCOM5/PAD[1] and TC2/WO[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: The datasheet's 64-pin drawing covers both VQFN64 and TQFP64 (SAM C21J). The text does not give the ; Column assignments in the I/O mux table (ADC0/ADC1/AC) are ambiguous in the extracted text. Descript; Pin types are inferred: GPIOs are marked bidirectional, VDDCORE is marked power_out as the regulated"
        ],
        "pages_sent": 127,
        "cost_usd": 1.0468,
        "at": "2026-10-23T09:01:17"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a58169f09b038b0a0be16fc3a2e600ec.pdf",
        "pages": 1293,
        "sha256": "e32092b2081c14de",
        "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": [
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        "file": "atsamc21j17a-aut.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "60567e81b0770b6c519104183a7a05ba52dddc11146b5fbe21434fbb5801696c",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atsamc21j17a-aut-etched.step",
        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "fc656c7ab2708619544c126a35c7a99170522afa7f308b17a7e2099272e422de",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    },
    "appearance": {
      "contacts": {
        "quote": "configurations, including indium tin oxide (ITO) sensor grids. The PTC requires one pin per X-line and one pin per Y-line.",
        "page": 1108,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "e32092b2081c14de2ccc3f6a54351c33d1bd42fe24cdbbc6359f6ed27035b584"
    },
    "characteristics": {
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