ATSAMD51G19A-MU

{
  "slug": "atsamd51g19a-mu",
  "version": "0.1.1",
  "type": "component",
  "description": "Microchip Tech Pre-ordered MCUs, QFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "atsamd51g19a-mu",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "atsamd51g19a-mu.kicad_sym",
    "atsamd51g19a-mu.kicad_mod",
    "atsamd51g19a-mu.glb",
    "atsamd51g19a-mu.step",
    "atsamd51g19a-mu.lbr",
    "docs/hero.png",
    "docs/atsamd51g19a-mu-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "atsamd51g19a-mu-hero.glb",
    "atsamd51g19a-mu-hero.overlay.json",
    "atsamd51g19a-mu-etched.glb",
    "atsamd51g19a-mu-etched.step"
  ],
  "component": {
    "mpn": "ATSAMD51G19A-MU",
    "manufacturer": "Microchip Tech",
    "package": "QFN-48-EP(7x7)",
    "pin_count": 49,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9793a584e47269a20b87364d41b6eaa9.pdf",
    "parts": {
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      "footprint": "atsamd51g19a-mu.kicad_mod",
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      "model_3d_plain": "atsamd51g19a-mu.glb",
      "model_3d_step": "atsamd51g19a-mu-etched.step",
      "model_3d_step_plain": "atsamd51g19a-mu.step",
      "lbr": "atsamd51g19a-mu.lbr"
    },
    "distributor_links": {
      "lcsc": "C1337776",
      "digikey": "ATSAMD51G19A-MU-ND",
      "mouser": "556-ATSAMD51G19AMU"
    },
    "distributor_check": {
      "checked_at": "2026-11-10T02:16:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATSAMD51G19A-MU-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-ATSAMD51G19AMU",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA00",
        "type": "bidirectional",
        "description": "General-purpose I/O PA00 with EXTINT[0], SERCOM1 PAD[0] and TC2 WO[0]; also the XIN32 pin of XOSC32K."
      },
      {
        "number": "2",
        "name": "PA01",
        "type": "bidirectional",
        "description": "General-purpose I/O PA01 with EXTINT[1], SERCOM1 PAD[1] and TC2 WO[1]; also the XOUT32 pin of XOSC32K."
      },
      {
        "number": "3",
        "name": "PA02",
        "type": "bidirectional",
        "description": "General-purpose I/O PA02 with EXTINT[2], ADC0 AIN[0] and DAC VOUT[0]; also RTC tamper input IN2."
      },
      {
        "number": "4",
        "name": "PA03",
        "type": "bidirectional",
        "description": "General-purpose I/O PA03 with EXTINT[3], ANAREF VREFA, ADC0 AIN[1] and PTC X0/Y0."
      },
      {
        "number": "5",
        "name": "GNDANA",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "6",
        "name": "VDDANA",
        "type": "power_in",
        "description": "Analog supply."
      },
      {
        "number": "7",
        "name": "PB08",
        "type": "bidirectional",
        "description": "General-purpose I/O PB08 with EXTINT[8], ADC0 AIN[2], ADC1 AIN[0], PTC X1/Y1, SERCOM4 PAD[0] and TC4 WO[0]."
      },
      {
        "number": "8",
        "name": "PB09",
        "type": "bidirectional",
        "description": "General-purpose I/O PB09 with EXTINT[9], ADC0 AIN[3], ADC1 AIN[1], PTC X2/Y2, SERCOM4 PAD[1] and TC4 WO[1]."
      },
      {
        "number": "9",
        "name": "PA04",
        "type": "bidirectional",
        "description": "General-purpose I/O PA04 with EXTINT[4], ANAREF VREFB, ADC0 AIN[4], AC AIN[0] and SERCOM0 PAD[0]."
      },
      {
        "number": "10",
        "name": "PA05",
        "type": "bidirectional",
        "description": "General-purpose I/O PA05 with EXTINT[5], ADC0 AIN[5], AC AIN[1], DAC VOUT[1] and SERCOM0 PAD[1]."
      },
      {
        "number": "11",
        "name": "PA06",
        "type": "bidirectional",
        "description": "General-purpose I/O PA06 with EXTINT[6], ANAREF VREFC, ADC0 AIN[6], AC AIN[2] and SERCOM0 PAD[2]."
      },
      {
        "number": "12",
        "name": "PA07",
        "type": "bidirectional",
        "description": "General-purpose I/O PA07 with EXTINT[7], ADC0 AIN[7], AC AIN[3] and SERCOM0 PAD[3]."
      },
      {
        "number": "13",
        "name": "PA08",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O PA08 with NMI, ADC0 AIN[8], QSPI DATA[0], SERCOM0/2 and I2C support."
      },
      {
        "number": "14",
        "name": "PA09",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O PA09 with EXTINT[9], ADC0 AIN[9], QSPI DATA[1], SERCOM0/2 and I2C support."
      },
      {
        "number": "15",
        "name": "PA10",
        "type": "bidirectional",
        "description": "General-purpose I/O PA10 with EXTINT[10], ADC0 AIN[10], QSPI DATA[2] and SERCOM0/2."
      },
      {
        "number": "16",
        "name": "PA11",
        "type": "bidirectional",
        "description": "General-purpose I/O PA11 with EXTINT[11], ADC0 AIN[11], QSPI DATA[3] and SERCOM0/2."
      },
      {
        "number": "17",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O supply."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "19",
        "name": "PB10",
        "type": "bidirectional",
        "description": "General-purpose I/O PB10 with EXTINT[10], QSPI SCK, SERCOM4 PAD[2] and TC5 WO[0]."
      },
      {
        "number": "20",
        "name": "PB11",
        "type": "bidirectional",
        "description": "General-purpose I/O PB11 with EXTINT[11], QSPI CS, SERCOM4 PAD[3] and TC5 WO[1]."
      },
      {
        "number": "21",
        "name": "PA12",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O PA12 with I2C support on VDDIO."
      },
      {
        "number": "22",
        "name": "PA13",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O PA13 with I2C support on VDDIO."
      },
      {
        "number": "23",
        "name": "PA14",
        "type": "bidirectional",
        "description": "General-purpose I/O PA14; also XIN of XOSC0."
      },
      {
        "number": "24",
        "name": "PA15",
        "type": "bidirectional",
        "description": "General-purpose I/O PA15; also XOUT of XOSC0."
      },
      {
        "number": "25",
        "name": "PA16",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O PA16 with I2C support on VDDIO."
      },
      {
        "number": "26",
        "name": "PA17",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O PA17 with I2C support on VDDIO."
      },
      {
        "number": "27",
        "name": "PA18",
        "type": "bidirectional",
        "description": "General-purpose I/O PA18 with PORT peripheral multiplexing."
      },
      {
        "number": "28",
        "name": "PA19",
        "type": "bidirectional",
        "description": "General-purpose I/O PA19 with PORT peripheral multiplexing."
      },
      {
        "number": "29",
        "name": "PA20",
        "type": "bidirectional",
        "description": "General-purpose I/O PA20 with EXTINT[4], PTC X14/Y14, SERCOM5 PAD[2] and TC7 WO[0]."
      },
      {
        "number": "30",
        "name": "PA21",
        "type": "bidirectional",
        "description": "General-purpose I/O PA21 with EXTINT[5], PTC X15/Y15, SERCOM5 PAD[3] and TC7 WO[1]."
      },
      {
        "number": "31",
        "name": "PA22",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O PA22 with EXTINT[6], PTC X16/Y16, SERCOM3 PAD[0] and I2C support."
      },
      {
        "number": "32",
        "name": "PA23",
        "type": "bidirectional",
        "description": "High-sink general-purpose I/O PA23 with EXTINT[7], PTC X17/Y17, SERCOM3 PAD[1], USB SOF 1kHz and I2C support."
      },
      {
        "number": "33",
        "name": "PA24",
        "type": "bidirectional",
        "description": "General-purpose I/O PA24 with EXTINT[8], SERCOM3 PAD[2] and USB DM."
      },
      {
        "number": "34",
        "name": "PA25",
        "type": "bidirectional",
        "description": "General-purpose I/O PA25 with EXTINT[9], SERCOM3 PAD[3] and USB DP."
      },
      {
        "number": "35",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "36",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O supply."
      },
      {
        "number": "37",
        "name": "PB22",
        "type": "bidirectional",
        "description": "General-purpose I/O PB22 with EXTINT[6], SERCOM1 PAD[2] and USB SOF 1kHz; also XIN of XOSC1."
      },
      {
        "number": "38",
        "name": "PB23",
        "type": "bidirectional",
        "description": "General-purpose I/O PB23 with EXTINT[7], SERCOM1 PAD[3] and GCLK IO[1]; also XOUT of XOSC1."
      },
      {
        "number": "39",
        "name": "PA27",
        "type": "bidirectional",
        "description": "General-purpose I/O PA27 with EXTINT[11], PTC X18/Y18 and GCLK IO[1]."
      },
      {
        "number": "40",
        "name": "RESETN",
        "type": "input",
        "description": "External reset input, active low."
      },
      {
        "number": "41",
        "name": "VDDCORE",
        "type": "power_in",
        "description": "Core supply (regulated)."
      },
      {
        "number": "42",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "43",
        "name": "VSW",
        "type": "power_out",
        "description": "Internal buck regulator switching output."
      },
      {
        "number": "44",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O supply."
      },
      {
        "number": "45",
        "name": "PA30",
        "type": "bidirectional",
        "description": "General-purpose I/O PA30 with EXTINT[14]; SWCLK serial wire debug clock (VDDIO)."
      },
      {
        "number": "46",
        "name": "PA31",
        "type": "bidirectional",
        "description": "General-purpose I/O PA31 with EXTINT[15]; SWDIO serial wire debug data (VDDIO)."
      },
      {
        "number": "47",
        "name": "PB02",
        "type": "bidirectional",
        "description": "General-purpose I/O PB02 with EXTINT[2], ADC0 AIN[14], PTC X20/Y20 and SERCOM5 PAD[0]; RTC tamper IN1, SUPC OUT1."
      },
      {
        "number": "48",
        "name": "PB03",
        "type": "bidirectional",
        "description": "General-purpose I/O PB03 with EXTINT[3], ADC0 AIN[15], PTC X21/Y21 and SERCOM5 PAD[1]."
      },
      {
        "number": "49",
        "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": {
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        "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: Exposed pad has no printed number; 'EP' is a placeholder. Datasheet only recommends connecting it to; Pin numbers come from the 48-pin VQFN figure (page 22). The multiplexing table's 48-pin column is ga; Multiplexing-table pages for PA12-PA19 (page 34) were not provided, so the descriptions are generic."
        ],
        "pages_sent": 107,
        "cost_usd": 0.6231,
        "at": "2026-11-10T02:15:56"
      },
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        "pages": 1934,
        "sha256": "6f02ccc3e69325ab",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
        "checked": "2026-11-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atsamd51g19a-mu-etched.step",
        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "95bac3cd59e98d809cdd46789ebc4a013760dc17e6bed5e22c28bcb641eef735",
        "checked": "2026-11-10",
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  },
  "title": "ATSAMD51G19A-MU",
  "brief": "Microchip Tech Pre-ordered MCUs, QFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "QFN-48-EP(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "49"
    },
    "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"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "6f02ccc3e69325ab8c1b9199977ceaa31b9f138f2ed6fcf77933b4bda7bce862",
      "rows": [
        {
          "name": "Supply voltage VDDIO",
          "symbol": "VDDIO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.71,
          "typ": null,
          "max": 3.63,
          "conditions": "Powers I/O lines, XOSCn and internal regulator for VDDCORE",
          "source_page": 46,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage VDDANA",
          "symbol": "VDDANA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.71,
          "typ": null,
          "max": 3.63,
          "conditions": "Must be the same voltage as VDDIO (VDD)",
          "source_page": 46,
          "source": "datasheet"
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        {
          "name": "Supply voltage VDDIOB",
          "symbol": "VDDIOB",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.71,
          "typ": null,
          "max": 3.63,
          "conditions": "Must be equal to or lower than VDDIO",
          "source_page": 46,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage VBAT",
          "symbol": "VBAT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.71,
          "typ": null,
          "max": 3.63,
          "conditions": "Powers the Automatic Power Switch",
          "source_page": 46,
          "source": "datasheet"
        },
        {
          "name": "Internal regulator output VDDCORE",
          "symbol": "VDDCORE",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 1.2,
          "max": null,
          "conditions": "Internal voltage regulator output in linear mode",
          "source_page": 46,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature (package grade U)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Package grade U (MU suffix), 1.71V to 3.63V",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Maximum operating frequency",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "1.71V to 3.63V, -40°C to +85°C",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
    }
  },
  "discovery_triggers": [
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  "discovery_pitch": "ATSAMD51G19A-MU (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "visibility": "public"
}