component
ATSAMD21E17D-MUT
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "atsamd21e17d-mut",
"title": "ATSAMD21E17D-MUT",
"brief": "Microchip Tech Pre-ordered MCUs, QFN-32-EP(5x5). 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",
"atsamd21e17d-mut",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ATSAMD21E17D-MUT",
"manufacturer": "Microchip Tech",
"package": "QFN-32-EP(5x5)",
"pin_count": 33,
"category": "Embedded Processors & Controllers",
"subcategory": "Pre-ordered MCUs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d70e0a926271e38a2611b8b6dcc19c07.pdf",
"parts": {
"symbol": "atsamd21e17d-mut.kicad_sym",
"footprint": "atsamd21e17d-mut.kicad_mod",
"model_3d": "atsamd21e17d-mut-hero.glb",
"model_3d_plain": "atsamd21e17d-mut-etched.glb",
"model_3d_step": "atsamd21e17d-mut-etched.step",
"model_3d_step_plain": "atsamd21e17d-mut.step",
"lbr": "atsamd21e17d-mut.lbr"
},
"distributor_links": {
"lcsc": "C614307",
"digikey": "ATSAMD21E17D-MUTTR-ND",
"mouser": "556-ATSAMD21E17D-MUT"
},
"distributor_check": {
"checked_at": "2026-11-02T16:43:54Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATSAMD21E17D-MUTTR-ND",
"status": "found"
},
"mouser": {
"pn": "556-ATSAMD21E17D-MUT",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA00",
"type": "bidirectional",
"description": "GPIO PA00 powered from VDDANA with EXTINT[0], SERCOM1 PAD[0] and TCC2/WO[0] functions, and also the XIN32 32 kHz crystal input per Table 7-3."
},
{
"number": "2",
"name": "PA01",
"type": "bidirectional",
"description": "GPIO PA01 powered from VDDANA with EXTINT[1], SERCOM1 PAD[1] and TCC2/WO[1] functions, and also the XOUT32 32 kHz crystal output per Table 7-3."
},
{
"number": "3",
"name": "PA02",
"type": "bidirectional",
"description": "GPIO PA02 powered from VDDANA with EXTINT[2], analog input AIN[0], DAC output VOUT and TCC3/WO[0] functions per Table 7-1."
},
{
"number": "4",
"name": "PA03",
"type": "bidirectional",
"description": "GPIO PA03 powered from VDDANA with EXTINT[3], analog input AIN[1], ADC/DAC reference VREFA and TCC3/WO[1] functions per Table 7-1."
},
{
"number": "5",
"name": "PA04",
"type": "bidirectional",
"description": "GPIO PA04 powered from VDDANA with EXTINT[4], ADC reference VREFB, analog input AIN[4], SERCOM0 PAD[0] and TCC0/WO[0] functions per Table 7-1."
},
{
"number": "6",
"name": "PA05",
"type": "bidirectional",
"description": "GPIO PA05 powered from VDDANA with EXTINT[5], analog input AIN[5], SERCOM0 PAD[1] and TCC0/WO[1] functions per Table 7-1."
},
{
"number": "7",
"name": "PA06",
"type": "bidirectional",
"description": "GPIO PA06 powered from VDDANA with EXTINT[6], analog input AIN[6], SERCOM0 PAD[2] and TCC1/WO[0] functions per Table 7-1."
},
{
"number": "8",
"name": "PA07",
"type": "bidirectional",
"description": "GPIO PA07 powered from VDDANA with EXTINT[7], analog input AIN[7], SERCOM0 PAD[3] and TCC1/WO[1] functions per Table 7-1."
},
{
"number": "9",
"name": "VDDANA",
"type": "power_in",
"description": "Analog supply pin feeding the analog pins (ADC, DAC, comparators) and the PAD pins listed as VDDANA in Table 7-1; device operating voltage is 1.62V to 3.63V for SAM D21."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground pin of the device."
},
{
"number": "11",
"name": "PA08",
"type": "bidirectional",
"description": "GPIO PA08 with NMI non-maskable interrupt, analog input AIN[16], SERCOM0 PAD[0] and TCC0/WO[0] functions, and supports SERCOM I2C per Table 7-5."
},
{
"number": "12",
"name": "PA09",
"type": "bidirectional",
"description": "GPIO PA09 with EXTINT[9], analog input AIN[17], SERCOM0 PAD[1], SERCOM2 PAD[1] and TCC0/WO[1] functions, and supports SERCOM I2C per Table 7-5."
},
{
"number": "13",
"name": "PA10",
"type": "bidirectional",
"description": "GPIO PA10 with EXTINT[10], analog input AIN[18], SERCOM0 PAD[2], SERCOM2 PAD[2] and TCC1/WO[0] functions."
},
{
"number": "14",
"name": "PA11",
"type": "bidirectional",
"description": "GPIO PA11 with EXTINT[11], analog input AIN[19], SERCOM0 PAD[3], SERCOM2 PAD[3] and TCC1/WO[1] functions."
},
{
"number": "15",
"name": "PA14",
"type": "bidirectional",
"description": "GPIO PA14 with EXTINT[14], SERCOM2 PAD[2], SERCOM4 PAD[2], TC3/WO[0] and GCLK_IO[0] functions, and also the XIN oscillator input per Table 7-3."
},
{
"number": "16",
"name": "PA15",
"type": "bidirectional",
"description": "GPIO PA15 with EXTINT[15], SERCOM2 PAD[3], SERCOM4 PAD[3], TC3/WO[1] and GCLK_IO[1] functions, and also the XOUT oscillator output per Table 7-3."
},
{
"number": "17",
"name": "PA16",
"type": "bidirectional",
"description": "GPIO PA16 with EXTINT[0], SERCOM1 PAD[0], SERCOM3 PAD[0], TCC2/WO[0] and GCLK_IO[2] functions."
},
{
"number": "18",
"name": "PA17",
"type": "bidirectional",
"description": "GPIO PA17 with EXTINT[1], SERCOM1 PAD[1], SERCOM3 PAD[1], TCC2/WO[1] and GCLK_IO[3] functions."
},
{
"number": "19",
"name": "PA18",
"type": "bidirectional",
"description": "GPIO PA18 with EXTINT[2], SERCOM1 PAD[2], SERCOM3 PAD[2], TC3/WO[0] and AC/CMP[0] functions."
},
{
"number": "20",
"name": "PA19",
"type": "bidirectional",
"description": "GPIO PA19 with EXTINT[3], SERCOM1 PAD[3], SERCOM3 PAD[3], TC3/WO[1] and AC/CMP[1] functions."
},
{
"number": "21",
"name": "PA22",
"type": "bidirectional",
"description": "GPIO PA22 with EXTINT[6], SERCOM3 PAD[0], SERCOM5 PAD[0], TC4/WO[0] and GCLK_IO[6] functions."
},
{
"number": "22",
"name": "PA23",
"type": "bidirectional",
"description": "GPIO PA23 with EXTINT[7], SERCOM3 PAD[1], SERCOM5 PAD[1], TC4/WO[1], USB SOF 1kHz and GCLK_IO[7] functions."
},
{
"number": "23",
"name": "PA24",
"type": "bidirectional",
"description": "GPIO PA24 with EXTINT[12], SERCOM3 PAD[2], SERCOM5 PAD[2], TC5/WO[0] and USB DM functions; it has no drive strength option and needs a pull-up if left unconnected."
},
{
"number": "24",
"name": "PA25",
"type": "bidirectional",
"description": "GPIO PA25 with EXTINT[13], SERCOM3 PAD[3], SERCOM5 PAD[3], TC5/WO[1] and USB DP functions; it has no drive strength option and needs a pull-up if left unconnected."
},
{
"number": "25",
"name": "PA27",
"type": "bidirectional",
"description": "GPIO PA27 with EXTINT[15], TCC3/WO[6] and GCLK_IO[0] functions."
},
{
"number": "26",
"name": "RESET",
"type": "input",
"description": "External active-low reset input pin of the device."
},
{
"number": "27",
"name": "PA28",
"type": "bidirectional",
"description": "GPIO PA28 with EXTINT[8], TCC3/WO[7] and GCLK_IO[0] functions."
},
{
"number": "28",
"name": "GND",
"type": "power_in",
"description": "Ground pin of the device."
},
{
"number": "29",
"name": "VDDCORE",
"type": "power_out",
"description": "Regulated output of the internal voltage regulator that supplies the device core."
},
{
"number": "30",
"name": "VDDIN",
"type": "power_in",
"description": "Input supply pin of the device; SAM D21 operating voltage is 1.62V to 3.63V."
},
{
"number": "31",
"name": "PA30",
"type": "bidirectional",
"description": "GPIO PA30 with EXTINT[10], SERCOM1 PAD[2], TCC1/WO[0], TCC3/WO[4], GCLK_IO[0] and SWCLK debug clock functions."
},
{
"number": "32",
"name": "PA31",
"type": "bidirectional",
"description": "GPIO PA31 with EXTINT[11], SERCOM1 PAD[3], TCC1/WO[1], TCC3/WO[5] and SWDIO debug data functions; SWDIO is activated only when a debugger is present."
},
{
"number": "33",
"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 exposed thermal pad (EP) of the QFN-32 package is not listed in the pinout text on page 24, so i; Table 7-1 lists the supply for PA08 through PA31 as VDDIO, but the 32-pin QFN pinout on page 24 show; GPIO pin types are set to bidirectional, since the datasheet describes them as I/O ports. The text d"
],
"pages_sent": 118,
"cost_usd": 0.1419,
"at": "2026-11-02T16:43:43"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/d70e0a926271e38a2611b8b6dcc19c07.pdf",
"pages": 1148,
"sha256": "18ca1ccab5aa330f",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "atsamd21e17d-mut.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atsamd21e17d-mut-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "73ed8295d9724ad1c71e02610159205838fe45d6f1ac2c3827e58b17a7d444a3",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "QFN-32-EP(5x5)",
"Category": "Embedded Processors & Controllers",
"Pins": "33"
},
"appearance": {
"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": 859,
"doc": "ds.pdf",
"plating": "tin"
},
"version": 1,
"datasheet_sha256": "18ca1ccab5aa330f16dfb0b24f5acf9e817998f61734ccad9f56657d409a708b"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"atsamd21e17d-mut"
],
"discovery_pitch": "ATSAMD21E17D-MUT (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"atsamd21e17d-mut.kicad_sym",
"atsamd21e17d-mut.kicad_mod",
"atsamd21e17d-mut.glb",
"atsamd21e17d-mut.step",
"atsamd21e17d-mut.lbr",
"docs/hero.png",
"docs/atsamd21e17d-mut-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"atsamd21e17d-mut-hero.glb",
"atsamd21e17d-mut-hero.overlay.json",
"atsamd21e17d-mut-etched.glb"
],
"visibility": {
"public": true
}
}