ATSAMD20J16B-AU

{
  "schema_version": 1,
  "type": "component",
  "slug": "atsamd20j16b-au",
  "title": "ATSAMD20J16B-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",
    "atsamd20j16b-au",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "ATSAMD20J16B-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/51851c2bbab9e621dba96fbc1a8cc30e.pdf",
    "parts": {
      "symbol": "atsamd20j16b-au.kicad_sym",
      "footprint": "atsamd20j16b-au.kicad_mod",
      "model_3d": "atsamd20j16b-au-hero.glb",
      "model_3d_plain": "atsamd20j16b-au-etched.glb",
      "model_3d_step": "atsamd20j16b-au-etched.step",
      "model_3d_step_plain": "atsamd20j16b-au.step",
      "lbr": "atsamd20j16b-au.lbr"
    },
    "distributor_links": {
      "lcsc": "C1339075",
      "digikey": "ATSAMD20J16B-AU-ND",
      "mouser": "556-ATSAMD20J16B-AU"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T16:21:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATSAMD20J16B-AU-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-ATSAMD20J16B-AU",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA00",
        "type": "bidirectional",
        "description": "Digital I/O pin PA00 (port A, bit 0) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "2",
        "name": "PA01",
        "type": "bidirectional",
        "description": "Digital I/O pin PA01 (port A, bit 1) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "3",
        "name": "PA02",
        "type": "bidirectional",
        "description": "Digital I/O pin PA02 (port A, bit 2) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "4",
        "name": "PA03",
        "type": "bidirectional",
        "description": "Digital I/O pin PA03 (port A, bit 3) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "5",
        "name": "PB04",
        "type": "bidirectional",
        "description": "Digital I/O pin PB04 (port B, bit 4) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "6",
        "name": "PB05",
        "type": "bidirectional",
        "description": "Digital I/O pin PB05 (port B, bit 5) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "7",
        "name": "GNDANA",
        "type": "power_in",
        "description": "Analog ground pin, as named in the pinout."
      },
      {
        "number": "8",
        "name": "VDDANA",
        "type": "power_in",
        "description": "Analog supply pin, as named in the pinout."
      },
      {
        "number": "9",
        "name": "PB06",
        "type": "bidirectional",
        "description": "Digital I/O pin PB06 (port B, bit 6) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "10",
        "name": "PB07",
        "type": "bidirectional",
        "description": "Digital I/O pin PB07 (port B, bit 7) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "11",
        "name": "PB08",
        "type": "bidirectional",
        "description": "Digital I/O pin PB08 (port B, bit 8) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "12",
        "name": "PB09",
        "type": "bidirectional",
        "description": "Digital I/O pin PB09 (port B, bit 9) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "13",
        "name": "PA04",
        "type": "bidirectional",
        "description": "Digital I/O pin PA04 (port A, bit 4) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "14",
        "name": "PA05",
        "type": "bidirectional",
        "description": "Digital I/O pin PA05 (port A, bit 5) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "15",
        "name": "PA06",
        "type": "bidirectional",
        "description": "Digital I/O pin PA06 (port A, bit 6) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "16",
        "name": "PA07",
        "type": "bidirectional",
        "description": "Digital I/O pin PA07 (port A, bit 7) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "17",
        "name": "PA08",
        "type": "bidirectional",
        "description": "Digital I/O pin PA08 (port A, bit 8) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "18",
        "name": "PA09",
        "type": "bidirectional",
        "description": "Digital I/O pin PA09 (port A, bit 9) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "19",
        "name": "PA10",
        "type": "bidirectional",
        "description": "Digital I/O pin PA10 (port A, bit 10) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "20",
        "name": "PA11",
        "type": "bidirectional",
        "description": "Digital I/O pin PA11 (port A, bit 11) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "21",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply pin; the device operating voltage range is stated as 1.62 V to 3.63 V."
      },
      {
        "number": "22",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "23",
        "name": "PB10",
        "type": "bidirectional",
        "description": "Digital I/O pin PB10 (port B, bit 10) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "24",
        "name": "PB11",
        "type": "bidirectional",
        "description": "Digital I/O pin PB11 (port B, bit 11) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "Digital I/O pin PB12 (port B, bit 12) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "Digital I/O pin PB13 (port B, bit 13) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Digital I/O pin PB14 (port B, bit 14) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Digital I/O pin PB15 (port B, bit 15) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "29",
        "name": "PA12",
        "type": "bidirectional",
        "description": "Digital I/O pin PA12 (port A, bit 12) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "30",
        "name": "PA13",
        "type": "bidirectional",
        "description": "Digital I/O pin PA13 (port A, bit 13) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "31",
        "name": "PA14",
        "type": "bidirectional",
        "description": "Digital I/O pin PA14 (port A, bit 14) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "32",
        "name": "PA15",
        "type": "bidirectional",
        "description": "Digital I/O pin PA15 (port A, bit 15) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "33",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "34",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply pin; the device operating voltage range is stated as 1.62 V to 3.63 V."
      },
      {
        "number": "35",
        "name": "PA16",
        "type": "bidirectional",
        "description": "Digital I/O pin PA16 (port A, bit 16) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "36",
        "name": "PA17",
        "type": "bidirectional",
        "description": "Digital I/O pin PA17 (port A, bit 17) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "37",
        "name": "PA18",
        "type": "bidirectional",
        "description": "Digital I/O pin PA18 (port A, bit 18) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "38",
        "name": "PA19",
        "type": "bidirectional",
        "description": "Digital I/O pin PA19 (port A, bit 19) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "39",
        "name": "PB16",
        "type": "bidirectional",
        "description": "Digital I/O pin PB16 (port B, bit 16) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "40",
        "name": "PB17",
        "type": "bidirectional",
        "description": "Digital I/O pin PB17 (port B, bit 17) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "41",
        "name": "PA20",
        "type": "bidirectional",
        "description": "Digital I/O pin PA20 (port A, bit 20) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "42",
        "name": "PA21",
        "type": "bidirectional",
        "description": "Digital I/O pin PA21 (port A, bit 21) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "43",
        "name": "PA22",
        "type": "bidirectional",
        "description": "Digital I/O pin PA22 (port A, bit 22) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "44",
        "name": "PA23",
        "type": "bidirectional",
        "description": "Digital I/O pin PA23 (port A, bit 23) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "45",
        "name": "PA24",
        "type": "bidirectional",
        "description": "Digital I/O pin PA24 (port A, bit 24) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "46",
        "name": "PA25",
        "type": "bidirectional",
        "description": "Digital I/O pin PA25 (port A, bit 25) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "47",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "48",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply pin; the device operating voltage range is stated as 1.62 V to 3.63 V."
      },
      {
        "number": "49",
        "name": "PB22",
        "type": "bidirectional",
        "description": "Digital I/O pin PB22 (port B, bit 22) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "50",
        "name": "PB23",
        "type": "bidirectional",
        "description": "Digital I/O pin PB23 (port B, bit 23) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "51",
        "name": "PA27",
        "type": "bidirectional",
        "description": "Digital I/O pin PA27 (port A, bit 27) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "52",
        "name": "RESET",
        "type": "input",
        "description": "Reset pin per the pinout legend; polarity and threshold levels are not given in this extract."
      },
      {
        "number": "53",
        "name": "PA28",
        "type": "bidirectional",
        "description": "Digital I/O pin PA28 (port A, bit 28) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "54",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "55",
        "name": "VDDCORE",
        "type": "power_out",
        "description": "Regulated core supply output pin, as identified in the pinout legend."
      },
      {
        "number": "56",
        "name": "VDDIN",
        "type": "power_in",
        "description": "Input supply pin, as identified in the pinout legend."
      },
      {
        "number": "57",
        "name": "PA30",
        "type": "bidirectional",
        "description": "Digital I/O pin PA30 (port A, bit 30) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "58",
        "name": "PA31",
        "type": "bidirectional",
        "description": "Digital I/O pin PA31 (port A, bit 31) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "59",
        "name": "PB30",
        "type": "bidirectional",
        "description": "Digital I/O pin PB30 (port B, bit 30) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "60",
        "name": "PB31",
        "type": "bidirectional",
        "description": "Digital I/O pin PB31 (port B, bit 31) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "61",
        "name": "PB00",
        "type": "bidirectional",
        "description": "Digital I/O pin PB00 (port B, bit 0) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "62",
        "name": "PB01",
        "type": "bidirectional",
        "description": "Digital I/O pin PB01 (port B, bit 1) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "63",
        "name": "PB02",
        "type": "bidirectional",
        "description": "Digital I/O pin PB02 (port B, bit 2) per the pinout legend; alternate peripheral functions are not given in this extract."
      },
      {
        "number": "64",
        "name": "PB03",
        "type": "bidirectional",
        "description": "Digital I/O pin PB03 (port B, bit 3) per the pinout legend; alternate peripheral functions are not given in this extract."
      }
    ],
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      "Manufacturer": "Microchip Tech",
      "Package": "TQFP-64(10x10)",
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          "name": "Maximum CPU frequency",
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          "name": "Thermal resistance, junction-to-case",
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