ATSAMD51G18A-MUT

{
  "slug": "atsamd51g18a-mut",
  "version": "0.1.0",
  "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",
    "atsamd51g18a-mut",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "atsamd51g18a-mut.kicad_sym",
    "atsamd51g18a-mut.kicad_mod",
    "atsamd51g18a-mut.glb",
    "atsamd51g18a-mut.step",
    "atsamd51g18a-mut.lbr",
    "docs/hero.png",
    "docs/atsamd51g18a-mut-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "atsamd51g18a-mut-hero.glb",
    "atsamd51g18a-mut-hero.overlay.json",
    "atsamd51g18a-mut-etched.glb"
  ],
  "component": {
    "mpn": "ATSAMD51G18A-MUT",
    "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": {
      "symbol": "atsamd51g18a-mut.kicad_sym",
      "footprint": "atsamd51g18a-mut.kicad_mod",
      "model_3d": "atsamd51g18a-mut-hero.glb",
      "model_3d_plain": "atsamd51g18a-mut-etched.glb",
      "model_3d_step": "atsamd51g18a-mut-etched.step",
      "model_3d_step_plain": "atsamd51g18a-mut.step",
      "lbr": "atsamd51g18a-mut.lbr"
    },
    "distributor_links": {
      "lcsc": "C614541",
      "digikey": "ATSAMD51G18A-MUTTR-ND",
      "mouser": "556-ATSAMD51G18AMUT"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T00:42:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATSAMD51G18A-MUTTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-ATSAMD51G18AMUT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA00",
        "type": "bidirectional",
        "description": "General-purpose I/O PA00 (PORT group A, bit 0), alternately EIC EXTINT[0], SERCOM1 PAD[0] or TC2 WO[0] per the 48-pin multiplexing table."
      },
      {
        "number": "2",
        "name": "PA01",
        "type": "bidirectional",
        "description": "General-purpose I/O PA01, alternately EIC EXTINT[1], SERCOM1 PAD[1] or TC2 WO[1] per the 48-pin multiplexing table."
      },
      {
        "number": "3",
        "name": "PA02",
        "type": "bidirectional",
        "description": "General-purpose I/O PA02, alternately EIC EXTINT[2], ADC0 AIN[0] or DAC VOUT[0] per the 48-pin multiplexing table."
      },
      {
        "number": "4",
        "name": "PA03",
        "type": "bidirectional",
        "description": "General-purpose I/O PA03, alternately EIC EXTINT[3], ANAREF VREFA, ADC0 AIN[1] or PTC X0/Y0 per the 48-pin multiplexing table."
      },
      {
        "number": "5",
        "name": "GNDANA",
        "type": "power_in",
        "description": "Analog ground pin of the 48-pin VQFN, listed in the pinout figure."
      },
      {
        "number": "6",
        "name": "VDDANA",
        "type": "power_in",
        "description": "Analog supply pin of the 48-pin VQFN; the device operating range is stated as 1.71 V to 3.63 V."
      },
      {
        "number": "7",
        "name": "PB08",
        "type": "bidirectional",
        "description": "General-purpose I/O PB08, alternately EIC EXTINT[8], ADC0 AIN[2], ADC1 AIN[0] or SERCOM4 PAD[0] per the 48-pin multiplexing table."
      },
      {
        "number": "8",
        "name": "PB09",
        "type": "bidirectional",
        "description": "General-purpose I/O PB09, alternately EIC EXTINT[9], ADC0 AIN[3], ADC1 AIN[1] or SERCOM4 PAD[1] per the 48-pin multiplexing table."
      },
      {
        "number": "9",
        "name": "PA04",
        "type": "bidirectional",
        "description": "General-purpose I/O PA04, alternately EIC EXTINT[4], ANAREF VREFB, ADC0 AIN[4] or AC AIN[0] per the 48-pin multiplexing table."
      },
      {
        "number": "10",
        "name": "PA05",
        "type": "bidirectional",
        "description": "General-purpose I/O PA05, alternately EIC EXTINT[5], ADC0 AIN[5], AC AIN[1] or DAC VOUT[1] per the 48-pin multiplexing table."
      },
      {
        "number": "11",
        "name": "PA06",
        "type": "bidirectional",
        "description": "General-purpose I/O PA06, alternately EIC EXTINT[6], ANAREF VREFC, ADC0 AIN[6] or AC AIN[2] per the 48-pin multiplexing table."
      },
      {
        "number": "12",
        "name": "PA07",
        "type": "bidirectional",
        "description": "General-purpose I/O PA07, alternately EIC EXTINT[7], ADC0 AIN[7] or AC AIN[3] per the 48-pin multiplexing table."
      },
      {
        "number": "13",
        "name": "PA08",
        "type": "bidirectional",
        "description": "General-purpose I/O PA08 and a high-sink pin with different properties from regular pins (Table 6-1 note 3); alternately EIC NMI, ADC0 AIN[8], SERCOM0 PAD[0] or TCC0 WO[0]."
      },
      {
        "number": "14",
        "name": "PA09",
        "type": "bidirectional",
        "description": "General-purpose I/O PA09 and a high-sink pin with different properties from regular pins (Table 6-1 note 3); alternately EIC EXTINT[9], ADC0 AIN[9], SERCOM0 PAD[1] or TCC0 WO[1]."
      },
      {
        "number": "15",
        "name": "PA10",
        "type": "bidirectional",
        "description": "General-purpose I/O PA10, alternately EIC EXTINT[10], ADC0 AIN[10], SERCOM0 PAD[2] or TCC0 WO[2] per the 48-pin multiplexing table."
      },
      {
        "number": "16",
        "name": "PA11",
        "type": "bidirectional",
        "description": "General-purpose I/O PA11, alternately EIC EXTINT[11], ADC0 AIN[11], SERCOM0 PAD[3] or TCC0 WO[3] per the 48-pin multiplexing table."
      },
      {
        "number": "17",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply pin of the 48-pin VQFN; the device operating range is stated as 1.71 V to 3.63 V."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the 48-pin VQFN; the exposed pad should also be connected to ground on the PCB."
      },
      {
        "number": "19",
        "name": "PB10",
        "type": "bidirectional",
        "description": "General-purpose I/O PB10, alternately EIC EXTINT[10], SERCOM4 PAD[2], TC5 WO[0] or TCC0 WO[4] per the 48-pin multiplexing table."
      },
      {
        "number": "20",
        "name": "PB11",
        "type": "bidirectional",
        "description": "General-purpose I/O PB11, alternately EIC EXTINT[11], SERCOM4 PAD[3], TC5 WO[1] or TCC0 WO[5] per the 48-pin multiplexing table."
      },
      {
        "number": "21",
        "name": "PA12",
        "type": "bidirectional",
        "description": "General-purpose I/O PA12, a high-sink pin with different properties from regular pins (Table 6-1 note 3); its peripheral mapping is on a page not included in the provided text."
      },
      {
        "number": "22",
        "name": "PA13",
        "type": "bidirectional",
        "description": "General-purpose I/O PA13, a high-sink pin with different properties from regular pins (Table 6-1 note 3); its peripheral mapping is on a page not included in the provided text."
      },
      {
        "number": "23",
        "name": "PA14",
        "type": "bidirectional",
        "description": "General-purpose I/O PA14, which is the XIN pin of crystal oscillator XOSC0 per Table 6-2."
      },
      {
        "number": "24",
        "name": "PA15",
        "type": "bidirectional",
        "description": "General-purpose I/O PA15, which is the XOUT pin of crystal oscillator XOSC0 per Table 6-2."
      },
      {
        "number": "25",
        "name": "PA16",
        "type": "bidirectional",
        "description": "General-purpose I/O PA16, a high-sink pin with different properties from regular pins (Table 6-1 note 3); its peripheral mapping is on a page not included in the provided text."
      },
      {
        "number": "26",
        "name": "PA17",
        "type": "bidirectional",
        "description": "General-purpose I/O PA17, a high-sink pin with different properties from regular pins (Table 6-1 note 3); its peripheral mapping is on a page not included in the provided text."
      },
      {
        "number": "27",
        "name": "PA18",
        "type": "bidirectional",
        "description": "General-purpose I/O PA18; its peripheral mapping is on a page not included in the provided text."
      },
      {
        "number": "28",
        "name": "PA19",
        "type": "bidirectional",
        "description": "General-purpose I/O PA19; its peripheral mapping is on a page not included in the provided text."
      },
      {
        "number": "29",
        "name": "PA20",
        "type": "bidirectional",
        "description": "General-purpose I/O PA20, alternately EIC EXTINT[4], PTC X14/Y14, SERCOM3 PAD[2] or TC7 WO[0] per the 48-pin multiplexing table."
      },
      {
        "number": "30",
        "name": "PA21",
        "type": "bidirectional",
        "description": "General-purpose I/O PA21, alternately EIC EXTINT[5], PTC X15/Y15, SERCOM3 PAD[3] or TC7 WO[1] per the 48-pin multiplexing table."
      },
      {
        "number": "31",
        "name": "PA22",
        "type": "bidirectional",
        "description": "General-purpose I/O PA22, a high-sink pin with different properties from regular pins (Table 6-1 note 3); alternately EIC EXTINT[6], PTC X16/Y16, SERCOM3 PAD[0] or TC4 WO[0]."
      },
      {
        "number": "32",
        "name": "PA23",
        "type": "bidirectional",
        "description": "General-purpose I/O PA23, a high-sink pin with different properties from regular pins (Table 6-1 note 3); alternately EIC EXTINT[7], PTC X17/Y17, SERCOM3 PAD[1] or TC4 WO[1]."
      },
      {
        "number": "33",
        "name": "PA24",
        "type": "bidirectional",
        "description": "General-purpose I/O PA24, alternately EIC EXTINT[8], USB DM, SERCOM3 PAD[2] or TC5 WO[0] per the 48-pin multiplexing table."
      },
      {
        "number": "34",
        "name": "PA25",
        "type": "bidirectional",
        "description": "General-purpose I/O PA25, alternately EIC EXTINT[9], USB DP, SERCOM3 PAD[3] or TC5 WO[1] per the 48-pin multiplexing table."
      },
      {
        "number": "35",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the 48-pin VQFN."
      },
      {
        "number": "36",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply pin of the 48-pin VQFN; the device operating range is stated as 1.71 V to 3.63 V."
      },
      {
        "number": "37",
        "name": "PB22",
        "type": "bidirectional",
        "description": "General-purpose I/O PB22, alternately EIC EXTINT[6], SERCOM1 PAD[2], TC7 WO[0] or USB SOF_1KHZ; it is also the XIN pin of XOSC1 per Table 6-2."
      },
      {
        "number": "38",
        "name": "PB23",
        "type": "bidirectional",
        "description": "General-purpose I/O PB23, alternately EIC EXTINT[7], SERCOM1 PAD[3], TC7 WO[1] or GCLK IO[1]; it is also the XOUT pin of XOSC1 per Table 6-2."
      },
      {
        "number": "39",
        "name": "PA27",
        "type": "bidirectional",
        "description": "General-purpose I/O PA27, alternately EIC EXTINT[11], PTC X18/Y18 or GCLK IO[1] per the 48-pin multiplexing table."
      },
      {
        "number": "40",
        "name": "RESETN",
        "type": "input",
        "description": "Active-low external reset input (RESETN pin) for the device, per Table 5-1 and Section 12.4."
      },
      {
        "number": "41",
        "name": "VDDCORE",
        "type": "power_in",
        "description": "Core supply pin of the 48-pin VQFN, shown in the pinout figure; its connection requirements are in Section 7, which is not in the provided text."
      },
      {
        "number": "42",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin of the 48-pin VQFN."
      },
      {
        "number": "43",
        "name": "VSW",
        "type": "power_out",
        "description": "Pin VSW of the 48-pin VQFN, shown in the pinout figure; the datasheet features list an embedded Buck/LDO regulator, but the pin's connection requirements are in Section 7, which is not in the provided text."
      },
      {
        "number": "44",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply pin of the 48-pin VQFN; the device operating range is stated as 1.71 V to 3.63 V."
      },
      {
        "number": "45",
        "name": "PA30",
        "type": "bidirectional",
        "description": "General-purpose I/O PA30, which is the SWCLK pin of the Serial Wire Debug interface per Table 6-4, and also EIC EXTINT[14], TC6 WO[0] or GCLK IO[0]."
      },
      {
        "number": "46",
        "name": "PA31",
        "type": "bidirectional",
        "description": "General-purpose I/O PA31, which is the SWDIO pin of the Serial Wire Debug interface per Table 6-4, and also EIC EXTINT[15], TC6 WO[1] or TCC2 WO[1]."
      },
      {
        "number": "47",
        "name": "PB02",
        "type": "bidirectional",
        "description": "General-purpose I/O PB02, alternately EIC EXTINT[2], ADC0 AIN[14], PTC X20/Y20 or CCL OUT[0]; it is also listed for XOSC32K jitter minimization in Table 6-3 and as RTC IN1 in Table 6-7."
      },
      {
        "number": "48",
        "name": "PB03",
        "type": "bidirectional",
        "description": "General-purpose I/O PB03, alternately EIC EXTINT[3], ADC0 AIN[15], PTC X21/Y21, SERCOM5 PAD[1] or TC6 WO[1] per the 48-pin multiplexing table."
      },
      {
        "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": {
        "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 48-pin VQFN exposed pad is not numbered in the pinout, so it is not listed as a pin. Note 1 says; Pins 21-28 (PA12-PA19) have their 48-pin peripheral multiplexing rows on datasheet page 34, which is; Pins 41 (VDDCORE) and 43 (VSW) have their connection and electrical requirements in Section 7, which",
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 107,
        "cost_usd": 0.6237,
        "at": "2026-10-29T00:42:10"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/9793a584e47269a20b87364d41b6eaa9.pdf",
        "pages": 1934,
        "sha256": "6f02ccc3e69325ab",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "atsamd51g18a-mut.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atsamd51g18a-mut-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e1aec9c7cab6c833bf3193b03e680236921cfe1931bfb18baade7b49ecf17b0b",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}