ATSAME51J19A-MU

{
  "schema_version": 1,
  "type": "component",
  "slug": "atsame51j19a-mu",
  "title": "ATSAME51J19A-MU",
  "brief": "Microchip Tech Pre-ordered MCUs, QFN-64-EP(9x9). 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",
    "atsame51j19a-mu",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATSAME51J19A-MU",
    "manufacturer": "Microchip Tech",
    "package": "QFN-64-EP(9x9)",
    "pin_count": 65,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9793a584e47269a20b87364d41b6eaa9.pdf",
    "parts": {
      "symbol": "atsame51j19a-mu.kicad_sym",
      "footprint": "atsame51j19a-mu.kicad_mod",
      "model_3d": "atsame51j19a-mu-hero.glb",
      "model_3d_plain": "atsame51j19a-mu-etched.glb",
      "model_3d_step": "atsame51j19a-mu-etched.step",
      "model_3d_step_plain": "atsame51j19a-mu.step",
      "lbr": "atsame51j19a-mu.lbr"
    },
    "distributor_links": {
      "lcsc": "C614651",
      "digikey": "ATSAME51J19A-MU-ND",
      "mouser": "556-ATSAME51J19AMU"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T23:50:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATSAME51J19A-MU-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-ATSAME51J19AMU",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA00",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, also the XIN32 input of the XOSC32K crystal oscillator (Table 6-2)."
      },
      {
        "number": "2",
        "name": "PA01",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, also the XOUT32 output of the XOSC32K crystal oscillator (Table 6-2)."
      },
      {
        "number": "3",
        "name": "PA02",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[2], ADC0 AIN[0] and DAC VOUT[0] (Table 6-1)."
      },
      {
        "number": "4",
        "name": "PA03",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[3], ANAREF VREFA and ADC0 AIN[1] (Table 6-1)."
      },
      {
        "number": "5",
        "name": "PB04",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[4] and ADC1 AIN[6] (Table 6-1)."
      },
      {
        "number": "6",
        "name": "PB05",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[5] and ADC1 AIN[7] (Table 6-1)."
      },
      {
        "number": "7",
        "name": "GNDANA",
        "type": "power_in",
        "description": "Ground for the analog circuitry (ADC, DAC, analog comparators)."
      },
      {
        "number": "8",
        "name": "VDDANA",
        "type": "power_in",
        "description": "Analog supply pin for the ADC, DAC and analog peripherals."
      },
      {
        "number": "9",
        "name": "PB06",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[6], ADC1 AIN[8] and PTC X24/Y24 (Table 6-1)."
      },
      {
        "number": "10",
        "name": "PB07",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[7], ADC1 AIN[9] and PTC X25/Y25 (Table 6-1)."
      },
      {
        "number": "11",
        "name": "PB08",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[8], ADC0 AIN[2], ADC1 AIN[0] and SERCOM4 PAD[0] (Table 6-1)."
      },
      {
        "number": "12",
        "name": "PB09",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[9], ADC0 AIN[3] and ADC1 AIN[1] (Table 6-1)."
      },
      {
        "number": "13",
        "name": "PA04",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[4], ANAREF VREFB and ADC0 AIN[4] (Table 6-1)."
      },
      {
        "number": "14",
        "name": "PA05",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[5], ADC0 AIN[5] and DAC VOUT[1] (Table 6-1)."
      },
      {
        "number": "15",
        "name": "PA06",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[6], ANAREF VREFC and ADC0 AIN[6] (Table 6-1)."
      },
      {
        "number": "16",
        "name": "PA07",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[7] and ADC0 AIN[7] (Table 6-1)."
      },
      {
        "number": "17",
        "name": "PA08",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O pin of PORT group A, multiplexed with EIC NMI and ADC0 AIN[8] (Table 6-1, note 3)."
      },
      {
        "number": "18",
        "name": "PA09",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[9] and ADC0 AIN[9] (Table 6-1, note 3)."
      },
      {
        "number": "19",
        "name": "PA10",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[10] and ADC0 AIN[10] (Table 6-1)."
      },
      {
        "number": "20",
        "name": "PA11",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[11] and ADC0 AIN[11] (Table 6-1)."
      },
      {
        "number": "21",
        "name": "VDDIOB",
        "type": "power_in",
        "description": "Supply pin for the I/O group B pads, as listed in the SERCOM I2C configuration table (Table 6-8)."
      },
      {
        "number": "22",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "23",
        "name": "PB10",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[10], SERCOM4 PAD[2] and GCLK IO[4] (Table 6-1)."
      },
      {
        "number": "24",
        "name": "PB11",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[11], SERCOM4 PAD[3] and GCLK IO[5] (Table 6-1)."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[12] and CAN1 TX (Table 6-1)."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[13] and CAN1 RX (Table 6-1)."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[14] and GMAC GMDC (Table 6-1)."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[15] and GMAC GMDIO (Table 6-1)."
      },
      {
        "number": "29",
        "name": "PA12",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O pin of PORT group A, multiplexed with SERCOM2 PAD[0] and QSPI DATA[0] (Table 6-1, note 3)."
      },
      {
        "number": "30",
        "name": "PA13",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O pin of PORT group A, multiplexed with SERCOM2 PAD[1] and QSPI DATA[1] (Table 6-1, note 3)."
      },
      {
        "number": "31",
        "name": "PA14",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, also the XIN input of XOSC0 (Table 6-2)."
      },
      {
        "number": "32",
        "name": "PA15",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, also the XOUT output of XOSC0 (Table 6-2)."
      },
      {
        "number": "33",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "34",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Supply pin for the main I/O group, which supplies the oscillator and SWD pins as listed in Tables 6-2 and 6-4."
      },
      {
        "number": "35",
        "name": "PA16",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O pin of PORT group A, multiplexed with SERCOM1 PAD[0], GRXDV (64-pin only) and EIC EXTINT[0] (Table 6-1, notes 3 and 6)."
      },
      {
        "number": "36",
        "name": "PA17",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O pin of PORT group A, multiplexed with SERCOM1 PAD[1] and EIC EXTINT[1] (Table 6-1, note 3)."
      },
      {
        "number": "37",
        "name": "PA18",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, multiplexed with SERCOM1 PAD[2] and EIC EXTINT[2] (Table 6-1)."
      },
      {
        "number": "38",
        "name": "PA19",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, multiplexed with SERCOM1 PAD[3] and EIC EXTINT[3] (Table 6-1)."
      },
      {
        "number": "39",
        "name": "PB16",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[0] and SERCOM5 PAD[0] (Table 6-1)."
      },
      {
        "number": "40",
        "name": "PB17",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[1] and SERCOM5 PAD[1] (Table 6-1)."
      },
      {
        "number": "41",
        "name": "PA20",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[4], SERCOM3 PAD[2] and PCC DATA[4] (Table 6-1)."
      },
      {
        "number": "42",
        "name": "PA21",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[5], SERCOM3 PAD[3] and PCC DATA[5] (Table 6-1)."
      },
      {
        "number": "43",
        "name": "PA22",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[6], SERCOM3 PAD[0] and CAN0 TX (Table 6-1, note 3)."
      },
      {
        "number": "44",
        "name": "PA23",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[7], SERCOM3 PAD[1] and CAN0 RX (Table 6-1, note 3)."
      },
      {
        "number": "45",
        "name": "PA24",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[8], SERCOM3 PAD[2] and USB DM (Table 6-1)."
      },
      {
        "number": "46",
        "name": "PA25",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[9], SERCOM3 PAD[3] and USB DP (Table 6-1)."
      },
      {
        "number": "47",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "48",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Supply pin for the main I/O group."
      },
      {
        "number": "49",
        "name": "PB22",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, also the XIN input of XOSC1 (Table 6-2)."
      },
      {
        "number": "50",
        "name": "PB23",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, also the XOUT output of XOSC1 (Table 6-2)."
      },
      {
        "number": "51",
        "name": "PA27",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, multiplexed with EIC EXTINT[11] and GCLK IO[1] (Table 6-1)."
      },
      {
        "number": "52",
        "name": "RESETN",
        "type": "input",
        "description": "External active-low reset input pin of the device."
      },
      {
        "number": "53",
        "name": "VDDCORE",
        "type": "power_in",
        "description": "Core supply pin for the internal logic, fed from the regulator (Section 7 power supply considerations)."
      },
      {
        "number": "54",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "55",
        "name": "VSW",
        "type": "power_out",
        "description": "Switching node of the embedded buck regulator, used with the external inductor and VDDCORE."
      },
      {
        "number": "56",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Supply pin for the main I/O group."
      },
      {
        "number": "57",
        "name": "PA30",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, also the SWCLK serial-wire debug clock (Table 6-4)."
      },
      {
        "number": "58",
        "name": "PA31",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group A, also the SWDIO serial-wire debug data pin (Table 6-4)."
      },
      {
        "number": "59",
        "name": "PB30",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[14] and the SWO trace output (Table 6-1, note 5)."
      },
      {
        "number": "60",
        "name": "PB31",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[15] and SERCOM7/SERCOM5 PAD[1] (Table 6-1)."
      },
      {
        "number": "61",
        "name": "PB00",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[0], ADC0 AIN[12] and PTC X30/Y30 (Table 6-1)."
      },
      {
        "number": "62",
        "name": "PB01",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[1], ADC0 AIN[13] and PTC X31/Y31 (Table 6-1)."
      },
      {
        "number": "63",
        "name": "PB02",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[2], ADC0 AIN[14] and PTC X20/Y20 (Table 6-1)."
      },
      {
        "number": "64",
        "name": "PB03",
        "type": "bidirectional",
        "description": "General-purpose I/O pin of PORT group B, multiplexed with EIC EXTINT[3], ADC0 AIN[15] and PTC X21/Y21 (Table 6-1)."
      },
      {
        "number": "65",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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: The MPN ATSAME51J19A-MU maps to the 64-pin VQFN package (9x9x0.9 mm, Table 1 and Table 1-2). Pins 1-; The datasheet gives no per-pin electrical limits. Descriptions state the functions and multiplexing "
        ],
        "pages_sent": 107,
        "cost_usd": 0.1611,
        "at": "2026-10-26T23:49:52"
      },
      "datasheet": {
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        "pages": 1934,
        "sha256": "6f02ccc3e69325ab",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 65,
        "described": 65,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "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": "dce07a86ec3fe3ca87eebdff13827f55e036ced5518fee01f85cec4a3f56366d",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atsame51j19a-mu-etched.step",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "QFN-64-EP(9x9)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "65"
    },
    "appearance": {
      "housing": {
        "quote": "nu1RBase nu1 I Crypto RAM u2RLength Base of R Base of R value filled repetitively with u4FillValue",
        "page": 1316,
        "doc": "ds.pdf",
        "material": "pet"
      },
      "contacts": {
        "quote": "including indium tin oxide (ITO) sensor grids. The PTC requires one pin per X-line and one pin per Y-line. In the Self Capacitance mode, the PTC requires only one pin (Y-line) for each touch sensor.",
        "page": 1697,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "6f02ccc3e69325ab8c1b9199977ceaa31b9f138f2ed6fcf77933b4bda7bce862"
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    "characteristics": {
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          "name": "Supply voltage VDDIO and VDDANA (VDD)",
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          "min": 1.71,
          "typ": null,
          "max": 3.63,
          "conditions": "Operating Conditions: 1.71V to 3.63V, -40°C to +85°C, DC to 120 MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage VDDIOB",
          "symbol": "VDDIOB",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.71,
          "typ": null,
          "max": 3.63,
          "conditions": "Powers I/O B lines; must be equal to or lower than VDDIO",
          "source_page": 46,
          "source": "datasheet"
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        {
          "name": "Supply voltage VBAT",
          "symbol": "VBAT",
          "kind": "recommended_operating",
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          "min": 1.71,
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          "conditions": "Powers the Automatic Power Switch",
          "source_page": 46,
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        {
          "name": "Operating temperature range (grade U, 120 MHz)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Operating Conditions: -40°C to +85°C, DC to 120 MHz",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Internal regulator output voltage VDDCORE",
          "symbol": "VDDCORE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": null,
          "conditions": "Voltage is 1.2V typical (linear regulator output)",
          "source_page": 46,
          "source": "datasheet"
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  "discovery_pitch": "ATSAME51J19A-MU (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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