ATSAMC21G17A-MUT

{
  "slug": "atsamc21g17a-mut",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "single chip microcomputer-microcontroller",
    "atsamc21g17a-mut",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "atsamc21g17a-mut.kicad_sym",
    "atsamc21g17a-mut.kicad_mod",
    "atsamc21g17a-mut.glb",
    "atsamc21g17a-mut.step",
    "atsamc21g17a-mut.lbr",
    "docs/hero.png",
    "docs/atsamc21g17a-mut-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "atsamc21g17a-mut-hero.glb",
    "atsamc21g17a-mut-hero.overlay.json",
    "atsamc21g17a-mut-etched.glb"
  ],
  "component": {
    "mpn": "ATSAMC21G17A-MUT",
    "manufacturer": "Microchip Tech",
    "package": "QFN-48-EP(7x7)",
    "pin_count": 49,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7ca0693ab79435b34d08da2f9e2ec965.pdf",
    "parts": {
      "symbol": "atsamc21g17a-mut.kicad_sym",
      "footprint": "atsamc21g17a-mut.kicad_mod",
      "model_3d": "atsamc21g17a-mut-hero.glb",
      "model_3d_plain": "atsamc21g17a-mut-etched.glb",
      "model_3d_step": "atsamc21g17a-mut-etched.step",
      "model_3d_step_plain": "atsamc21g17a-mut.step",
      "lbr": "atsamc21g17a-mut.lbr"
    },
    "distributor_links": {
      "lcsc": "C618218",
      "digikey": "ATSAMC21G17A-MUT-ND",
      "mouser": "556-ATSAMC21G17A-MUT"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T21:09:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATSAMC21G17A-MUT-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-ATSAMC21G17A-MUT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA00",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDANA domain; alternate functions include EXTINT[0], SERCOM1/PAD[0], TCC2/WO[0], CMP[2], and XIN32 (32.768 kHz crystal input)."
      },
      {
        "number": "2",
        "name": "PA01",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDANA domain; alternate functions include EXTINT[1], SERCOM1/PAD[1], TCC2/WO[1], CMP[3], and XOUT32 (32.768 kHz crystal output)."
      },
      {
        "number": "3",
        "name": "PA02",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDANA domain; alternate functions include EXTINT[2], AIN[0], AIN[4], Y[0] (PTC) and VOUT (DAC output)."
      },
      {
        "number": "4",
        "name": "PA03",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDANA domain; alternate functions include EXTINT[3], ADC-DAC/VREFA (external reference), AIN[1], AIN[5] and Y[1] (PTC)."
      },
      {
        "number": "5",
        "name": "GNDANA",
        "type": "power_in",
        "description": "Ground for the analog domain (VDDANA)."
      },
      {
        "number": "6",
        "name": "VDDANA",
        "type": "power_in",
        "description": "Analog supply pin for the analog peripherals and the VDDANA I/O domain."
      },
      {
        "number": "7",
        "name": "PB08",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDANA domain; alternate functions include EXTINT[8], AIN[2], Y[14] (PTC), SERCOM4/PAD[0], TC0/WO[0] and CCL2/IN[8]."
      },
      {
        "number": "8",
        "name": "PB09",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDANA domain; alternate functions include EXTINT[9], AIN[3], AIN[5], Y[15] (PTC), SERCOM4/PAD[1], TC0/WO[1] and CCL2/OUT[2]."
      },
      {
        "number": "9",
        "name": "PA04",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDANA domain; alternate functions include EXTINT[4], SDADC/VREFB, AIN[4], AIN[0], Y[2] (PTC), SERCOM0/PAD[0], TCC0/WO[0] and CCL0/IN[0]."
      },
      {
        "number": "10",
        "name": "PA05",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDANA domain; alternate functions include EXTINT[5], AIN[5], AIN[1], Y[3] (PTC), SERCOM0/PAD[1], TCC0/WO[1] and CCL0/IN[1]."
      },
      {
        "number": "11",
        "name": "PA06",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDANA domain; alternate functions include EXTINT[6], AIN[6], AIN[2], Y[4] (PTC), AINN[0], SERCOM0/PAD[2], TCC1/WO[0] and CCL0/IN[2]."
      },
      {
        "number": "12",
        "name": "PA07",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDANA domain; alternate functions include EXTINT[7], AIN[7], AIN[3], Y[5] (PTC), AINP[0], SERCOM0/PAD[3], TCC1/WO[1] and CCL0/OUT[0]."
      },
      {
        "number": "13",
        "name": "PA08",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include NMI, AIN[8], AIN[10], X[0]/Y[16] (PTC), SERCOM0/PAD[0], SERCOM2/PAD[0], TCC0/WO[0], TCC1/WO[2] and CCL1/IN[3]."
      },
      {
        "number": "14",
        "name": "PA09",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[9], AIN[9], AIN[11], X[1]/Y[17] (PTC), SERCOM0/PAD[1], SERCOM2/PAD[1], TCC0/WO[1], TCC1/WO[3] and CCL1/IN[4]."
      },
      {
        "number": "15",
        "name": "PA10",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[10], AIN[10], X[2]/Y[18] (PTC), SERCOM0/PAD[2], SERCOM2/PAD[2], TCC1/WO[0], TCC0/WO[2], GCLK_IO[4] and CCL1/IN[5]."
      },
      {
        "number": "16",
        "name": "PA11",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[11], AIN[11], X[3]/Y[19] (PTC), SERCOM0/PAD[3], SERCOM2/PAD[3], TCC1/WO[1], TCC0/WO[3], GCLK_IO[5] and CCL1/OUT[1]."
      },
      {
        "number": "17",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply for the VDDIO pin domain (pins PA08-PA25, PB10, PB11 and others in that domain)."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground for the VDDIO and core domains."
      },
      {
        "number": "19",
        "name": "PB10",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[10], SERCOM4/PAD[2], TC1/WO[0], TCC0/WO[4], CAN1/TX, GCLK_IO[4] and CCL1/IN[5]."
      },
      {
        "number": "20",
        "name": "PB11",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[11], SERCOM4/PAD[3], TC1/WO[1], TCC0/WO[5], CAN1/RX, GCLK_IO[5] and CCL1/OUT[1]."
      },
      {
        "number": "21",
        "name": "PA12",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[12], SERCOM2/PAD[0], SERCOM4/PAD[0], TCC2/WO[0], TCC0/WO[6] and AC/CMP[0]."
      },
      {
        "number": "22",
        "name": "PA13",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[13], SERCOM2/PAD[1], SERCOM4/PAD[1], TCC2/WO[1], TCC0/WO[7] and AC/CMP[1]."
      },
      {
        "number": "23",
        "name": "PA14",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[14], SERCOM2/PAD[2], SERCOM4/PAD[2], TC4/WO[0], TCC0/WO[4], GCLK_IO[0] and XIN (XOSC crystal/clock input)."
      },
      {
        "number": "24",
        "name": "PA15",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[15], SERCOM2/PAD[3], SERCOM4/PAD[3], TC4/WO[1], TCC0/WO[5], GCLK_IO[1] and XOUT (XOSC crystal output)."
      },
      {
        "number": "25",
        "name": "PA16",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[0], X[4]/Y[20] (PTC), SERCOM1/PAD[0], SERCOM3/PAD[0], TCC2/WO[0], TCC0/WO[6], GCLK_IO[2] and CCL0/IN[0]."
      },
      {
        "number": "26",
        "name": "PA17",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[1], X[5]/Y[21] (PTC), SERCOM1/PAD[1], SERCOM3/PAD[1], TCC2/WO[1], TCC0/WO[7], GCLK_IO[3] and CCL0/IN[1]."
      },
      {
        "number": "27",
        "name": "PA18",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[2], X[6]/Y[22] (PTC), SERCOM1/PAD[2], SERCOM3/PAD[2], TC4/WO[0], TCC0/WO[2], AC/CMP[0] and CCL0/IN[2]."
      },
      {
        "number": "28",
        "name": "PA19",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[3], X[7]/Y[23] (PTC), SERCOM1/PAD[3], SERCOM3/PAD[3], TC4/WO[1], TCC0/WO[3], AC/CMP[1] and CCL0/OUT[0]."
      },
      {
        "number": "29",
        "name": "PA20",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[4], X[8]/Y[24] (PTC), SERCOM5/PAD[2], SERCOM3/PAD[2], TC3/WO[0], TCC0/WO[6] and GCLK_IO[4]."
      },
      {
        "number": "30",
        "name": "PA21",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[5], X[9]/Y[25] (PTC), SERCOM5/PAD[3], SERCOM3/PAD[3], TC3/WO[1], TCC0/WO[7] and GCLK_IO[5]."
      },
      {
        "number": "31",
        "name": "PA22",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[6], X[10]/Y[26] (PTC), SERCOM3/PAD[0], SERCOM5/PAD[0], TC0/WO[0], TCC0/WO[4], GCLK_IO[6] and CCL2/IN[6]."
      },
      {
        "number": "32",
        "name": "PA23",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[7], X[11]/Y[27] (PTC), SERCOM3/PAD[1], SERCOM5/PAD[1], TC0/WO[1], TCC0/WO[5], GCLK_IO[7] and CCL2/IN[7]."
      },
      {
        "number": "33",
        "name": "PA24",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[12], SERCOM3/PAD[2], SERCOM5/PAD[2], TC1/WO[0], TCC1/WO[2], CAN0/TX, AC/CMP[2] and CCL2/IN[8]."
      },
      {
        "number": "34",
        "name": "PA25",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIO domain; alternate functions include EXTINT[13], SERCOM3/PAD[3], SERCOM5/PAD[3], TC1/WO[1], TCC1/WO[3], CAN0/RX, AC/CMP[3] and CCL2/OUT[2]."
      },
      {
        "number": "35",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground for the VDDIO and core domains."
      },
      {
        "number": "36",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply for the VDDIO pin domain."
      },
      {
        "number": "37",
        "name": "PB22",
        "type": "bidirectional",
        "description": "General-purpose I/O; alternate functions include EXTINT[6], SERCOM5/PAD[2], TC3/WO[0], CAN0/TX, GCLK_IO[0] and CCL0/IN[0]; supply listed as VDDIN in the pin-multiplexing table."
      },
      {
        "number": "38",
        "name": "PB23",
        "type": "bidirectional",
        "description": "General-purpose I/O; alternate functions include EXTINT[7], SERCOM5/PAD[3], TC3/WO[1], CAN0/RX, GCLK_IO[1] and CCL0/OUT[0]; supply listed as VDDIN in the pin-multiplexing table."
      },
      {
        "number": "39",
        "name": "PA27",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIN domain; alternate functions include EXTINT[15] and GCLK_IO[0]."
      },
      {
        "number": "40",
        "name": "RESET",
        "type": "input",
        "description": "External active-low reset input pin."
      },
      {
        "number": "41",
        "name": "PA28",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIN domain; alternate functions include EXTINT[8] and GCLK_IO[0]."
      },
      {
        "number": "42",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground for the VDDIN and core domains."
      },
      {
        "number": "43",
        "name": "VDDCORE",
        "type": "power_out",
        "description": "Regulated output of the internal voltage regulator supplying the core; it is a regulated output, not an input supply."
      },
      {
        "number": "44",
        "name": "VDDIN",
        "type": "power_in",
        "description": "Input supply for the internal voltage regulator and the VDDIN I/O domain (PA27, PA28, PA30, PA31)."
      },
      {
        "number": "45",
        "name": "PA30",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIN domain; alternate functions include EXTINT[10], SERCOM1/PAD[2], TCC1/WO[0], CORTEX_M0P/SWCLK (Serial Wire Debug clock), GCLK_IO[0] and CCL1/IN[3]."
      },
      {
        "number": "46",
        "name": "PA31",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDIN domain; alternate functions include EXTINT[11], SERCOM1/PAD[3], TCC1/WO[1], CORTEX_M0P/SWDIO (Serial Wire Debug data) and CCL1/OUT[1]."
      },
      {
        "number": "47",
        "name": "PB02",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDANA domain; alternate functions include EXTINT[2], AIN[2], Y[8] (PTC), SERCOM5/PAD[0], TC2/WO[0] and CCL0/OUT[0]."
      },
      {
        "number": "48",
        "name": "PB03",
        "type": "bidirectional",
        "description": "General-purpose I/O on the VDDANA domain; alternate functions include EXTINT[3], AIN[3], Y[9] (PTC), SERCOM5/PAD[1] and TC2/WO[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": {
        "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: In the extracted pinout text the label 'PA21' appears as a stray line above the PA00 column and pin ; Supply conflict: Table 6-2 lists PB22 and PB23 on VDDIN, while the 48-pin GPIO cluster table (Sectio; Exposed thermal pad (the 'EP' in QFN-48-EP) is not numbered anywhere in the extracted text, so no pi",
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 104,
        "cost_usd": 0.6385,
        "at": "2026-10-28T21:08:22"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/7ca0693ab79435b34d08da2f9e2ec965.pdf",
        "pages": 1206,
        "sha256": "5991eaad10c5cd35",
        "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": "atsamc21g17a-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": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atsamc21g17a-mut-etched.step",
        "role": "eda",
        "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": "33605072034b9023ff5401ed312026baccacc729eae2cb14e6dc756defb9c5ee",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "T3B",
      "source_page": 1159,
      "D": {
        "nom_mm": 7.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 7.0,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.85,
        "range_mm": [
          0.8,
          0.9
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "atsamc21g17a-mut.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}