ATSAMG55J19A-AUT

{
  "schema_version": 1,
  "type": "component",
  "slug": "atsamg55j19a-aut",
  "title": "ATSAMG55J19A-AUT",
  "brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), LQFP-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",
    "single chip microcomputer-microcontroller",
    "atsamg55j19a-aut",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATSAMG55J19A-AUT",
    "manufacturer": "Microchip Tech",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3a2ae07663b4ede316202f5679fbe749.pdf",
    "parts": {
      "symbol": "atsamg55j19a-aut.kicad_sym",
      "footprint": "atsamg55j19a-aut.kicad_mod",
      "model_3d": "atsamg55j19a-aut-hero.glb",
      "model_3d_plain": "atsamg55j19a-aut-etched.glb",
      "model_3d_step": "atsamg55j19a-aut-etched.step",
      "model_3d_step_plain": "atsamg55j19a-aut.step",
      "lbr": "atsamg55j19a-aut.lbr"
    },
    "distributor_links": {
      "lcsc": "C2053374",
      "digikey": "ATSAMG55J19A-AUTTR-ND",
      "mouser": "556-ATSAMG55J19A-AUT"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T02:10:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATSAMG55J19A-AUTTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-ATSAMG55J19A-AUT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Peripheral I/O lines, voltage regulator and ADC power supply, specified at 1.62V to 3.6V."
      },
      {
        "number": "2",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Microcontroller reset I/O, active low, referenced to VDDIO with a pull-up resistor."
      },
      {
        "number": "3",
        "name": "PB12",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB12, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "4",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA4, referenced to VDDIO; pulled-up input at reset with no pull-down."
      },
      {
        "number": "5",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA3, referenced to VDDIO; pulled-up input at reset with no pull-down."
      },
      {
        "number": "6",
        "name": "PA0",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA0, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "7",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA1, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "8",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA5, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "9",
        "name": "VDDCORE",
        "type": "power_in",
        "description": "Core chip power supply, connected externally to VDDOUT or VDDCOREXT100 or VDDCOREXT120."
      },
      {
        "number": "10",
        "name": "TEST",
        "type": "input",
        "description": "Test mode select input, referenced to VDDIO with a pull-down resistor (named TST in Table 3-1)."
      },
      {
        "number": "11",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA7, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "12",
        "name": "PA8",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA8, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "14",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB15, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "15",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB14, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "16",
        "name": "PA31",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA31, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "17",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA6, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "18",
        "name": "PA16",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA16, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "19",
        "name": "PA30",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA30, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "20",
        "name": "PA29",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA29, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "21",
        "name": "PA28",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA28, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "22",
        "name": "PA15",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA15, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "23",
        "name": "PA23",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA23, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "24",
        "name": "PA22",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA22, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "25",
        "name": "PA21",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA21, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "26",
        "name": "VDDUSB",
        "type": "power_in",
        "description": "USB power supply, available only on the 64-pin package."
      },
      {
        "number": "27",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Peripheral I/O lines, voltage regulator and ADC power supply, specified at 1.62V to 3.6V."
      },
      {
        "number": "28",
        "name": "ADVREF",
        "type": "input",
        "description": "ADC voltage reference input, available only on the 64-pin package."
      },
      {
        "number": "29",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "30",
        "name": "VDDOUT",
        "type": "power_out",
        "description": "Voltage regulator output, specified at 1.08V to 1.32V."
      },
      {
        "number": "31",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Peripheral I/O lines, voltage regulator and ADC power supply, specified at 1.62V to 3.6V."
      },
      {
        "number": "32",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Peripheral I/O lines, voltage regulator and ADC power supply, specified at 1.62V to 3.6V."
      },
      {
        "number": "33",
        "name": "PA17",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA17, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "34",
        "name": "PA18",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA18, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "35",
        "name": "PA19",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA19, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "36",
        "name": "PA20",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA20, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "37",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB0, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "38",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB1, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "39",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB2, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "40",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB3, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "41",
        "name": "PA14",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA14, referenced to VDDIO; pulled-up input at reset with no pull-down."
      },
      {
        "number": "42",
        "name": "PA13",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA13, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "43",
        "name": "PA12",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA12, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA11, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "45",
        "name": "VDDCORE",
        "type": "power_in",
        "description": "Core chip power supply, connected externally to VDDOUT or VDDCOREXT100 or VDDCOREXT120."
      },
      {
        "number": "46",
        "name": "PB10",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB10, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "47",
        "name": "PB11",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB11, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "48",
        "name": "PA10",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA10, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "49",
        "name": "PA9",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA9, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "50",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB5, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "51",
        "name": "PA27",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA27, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "52",
        "name": "PA26",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA26, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "53",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "54",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB6, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "55",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB7, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "56",
        "name": "PA25",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA25, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "57",
        "name": "PB13",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB13, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "58",
        "name": "PA24",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA24, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "59",
        "name": "PB8/XOUT",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB8 shared with main oscillator output XOUT; pull-up disabled on PB8/PB9."
      },
      {
        "number": "60",
        "name": "PB9/XIN",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB9 shared with main oscillator input XIN, referenced to VDDIO; pull-up disabled on PB8/PB9."
      },
      {
        "number": "61",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Parallel I/O Controller A line PA2, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "62",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Parallel I/O Controller B line PB4, referenced to VDDIO; pulled-up input at reset."
      },
      {
        "number": "63",
        "name": "JTAGSEL",
        "type": "input",
        "description": "JTAG selection input, active high, referenced to VDDIO with a pull-down resistor."
      },
      {
        "number": "64",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Peripheral I/O lines, voltage regulator and ADC power supply, specified at 1.62V to 3.6V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "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: Pin 10 is printed as TEST in Table 4-3, but Table 3-1 names the same test-mode pin TST. Pin name kep; Pin descriptions are built from the general signal descriptions in Table 3-1 (pages 6-8) because Tab; PB8/PB9 are shown as XOUT/XIN on the printed pinout. Their types are set as bidirectional because th"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0992,
        "at": "2026-10-29T02:09:53"
      },
      "datasheet": {
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        "pages": 16,
        "sha256": "f9261aacb7b11e9f",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-29",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "LQFP-64(10x10)",
      "Category": "Single Chip Microcomputer/Microcontroller",
      "Pins": "64"
    },
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          "min": 1.62,
          "typ": null,
          "max": 3.6,
          "conditions": "Printed as 1.62V to 3.6V in Table 3-1 (signal description) and in the device summary; no separate recommended operating conditions table is given",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Voltage regulator output voltage (VDDOUT)",
          "symbol": "VDDOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.08,
          "typ": null,
          "max": 1.32,
          "conditions": "Printed as 1.08V to 1.32V in Table 3-1 (voltage regulator output)",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range (industrial)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Industrial grade, as printed for the ordering codes in Table 6-1 (ATSAMG55J19A-AUT is the A-revision, reel, LQFP64 entry)",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Maximum CPU / bus clock frequency (fMAX)",
          "symbol": "fMAX",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "120 MHz with VDDCOREXT120 or with VDDCORE trimmed by regulator (note 1 of the features list)",
          "source_page": 2,
          "source": "datasheet"
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    }
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  "discovery_pitch": "ATSAMG55J19A-AUT (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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