component
ATSAMD21E17D-AU
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-32(7x7). 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-au",
"title": "ATSAMD21E17D-AU",
"brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-32(7x7). 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",
"single chip microcomputer-microcontroller",
"atsamd21e17d-au",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ATSAMD21E17D-AU",
"manufacturer": "Microchip Tech",
"package": "TQFP-32(7x7)",
"pin_count": 32,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d70e0a926271e38a2611b8b6dcc19c07.pdf",
"parts": {
"symbol": "atsamd21e17d-au.kicad_sym",
"footprint": "atsamd21e17d-au.kicad_mod",
"model_3d": "atsamd21e17d-au-hero.glb",
"model_3d_plain": "atsamd21e17d-au-etched.glb",
"model_3d_step": "atsamd21e17d-au-etched.step",
"model_3d_step_plain": "atsamd21e17d-au.step",
"lbr": "atsamd21e17d-au.lbr"
},
"distributor_links": {
"lcsc": "C618768",
"digikey": "ATSAMD21E17D-AU-ND",
"mouser": "556-ATSAMD21E17D-AU"
},
"distributor_check": {
"checked_at": "2026-10-30T22:45:49Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATSAMD21E17D-AU-ND",
"status": "found"
},
"mouser": {
"pn": "556-ATSAMD21E17D-AU",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA00",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA, multiplexed to EXTINT[0], AIN[0] when used as analog, and the XIN32 32 kHz crystal input when XOSC32K is enabled."
},
{
"number": "2",
"name": "PA01",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA, multiplexed to EXTINT[1] and the XOUT32 32 kHz crystal output when XOSC32K is enabled."
},
{
"number": "3",
"name": "PA02",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA, multiplexed to EXTINT[2], AIN[0], VOUT (DAC output) and TCC3/WO[0]."
},
{
"number": "4",
"name": "PA03",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA, multiplexed to EXTINT[3], AIN[1], the ADC/DAC VREFA reference input and TCC3/WO[1]."
},
{
"number": "5",
"name": "PA04",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA, multiplexed to EXTINT[4], AIN[4], the ADC VREFB reference input, SERCOM0/PAD[0] and TCC0/WO[0]."
},
{
"number": "6",
"name": "PA05",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA, multiplexed to EXTINT[5], AIN[5], SERCOM0/PAD[1] and TCC0/WO[1]."
},
{
"number": "7",
"name": "PA06",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA, multiplexed to EXTINT[6], AIN[6], SERCOM0/PAD[2] and TCC1/WO[0]."
},
{
"number": "8",
"name": "PA07",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA, multiplexed to EXTINT[7], AIN[7], SERCOM0/PAD[3] and TCC1/WO[1]."
},
{
"number": "9",
"name": "VDDANA",
"type": "power_in",
"description": "Analog supply pin for the analog blocks and the VDDANA-supplied pins of the device."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin for the device digital supply."
},
{
"number": "11",
"name": "PA08",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to NMI, AIN[16], SERCOM0/PAD[0], SERCOM2/PAD[0], TCC0/WO[0] and I2S/SD[0], with I2C support per Table 7-5."
},
{
"number": "12",
"name": "PA09",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[9], AIN[17], SERCOM0/PAD[1], SERCOM2/PAD[1], TCC0/WO[1] and I2S/SD[1], with I2C support per Table 7-5."
},
{
"number": "13",
"name": "PA10",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[10], AIN[18], SERCOM0/PAD[2], SERCOM2/PAD[2], TCC1/WO[0] and I2S/MCK[0]."
},
{
"number": "14",
"name": "PA11",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[11], AIN[19], SERCOM0/PAD[3], SERCOM2/PAD[3], TCC1/WO[1] and I2S/SCK[0]."
},
{
"number": "15",
"name": "PA14",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[14], SERCOM2/PAD[2], SERCOM4/PAD[2], TC3/WO[0], TCC0/WO[4] and GCLK_IO[0], and the XIN crystal input when XOSC is enabled."
},
{
"number": "16",
"name": "PA15",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[15], SERCOM2/PAD[3], SERCOM4/PAD[3], TC3/WO[1], TCC0/WO[5] and GCLK_IO[1], and the XOUT crystal output when XOSC is enabled."
},
{
"number": "17",
"name": "PA16",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[0], SERCOM1/PAD[0], SERCOM3/PAD[0], TCC2/WO[0], TCC0/WO[6] and GCLK_IO[2]."
},
{
"number": "18",
"name": "PA17",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[1], SERCOM1/PAD[1], SERCOM3/PAD[1], TCC2/WO[1], TCC0/WO[7] and GCLK_IO[3]."
},
{
"number": "19",
"name": "PA18",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[2], SERCOM1/PAD[2], SERCOM3/PAD[2], TC3/WO[0], TCC0/WO[2] and AC/CMP[0]."
},
{
"number": "20",
"name": "PA19",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[3], SERCOM1/PAD[3], SERCOM3/PAD[3], TC3/WO[1], TCC0/WO[3], I2S/SD[0] and AC/CMP[1]."
},
{
"number": "21",
"name": "PA22",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[6], SERCOM3/PAD[0], SERCOM5/PAD[0], TC4/WO[0], TCC0/WO[4] and GCLK_IO[6], with I2C support per Table 7-5."
},
{
"number": "22",
"name": "PA23",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[7], SERCOM3/PAD[1], SERCOM5/PAD[1], TC4/WO[1], TCC0/WO[5], USB SOF 1kHz and GCLK_IO[7], with I2C support per Table 7-5."
},
{
"number": "23",
"name": "PA24",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[12], SERCOM3/PAD[2], SERCOM5/PAD[2], TC5/WO[0], TCC1/WO[2] and the USB DM data line; leave unconnected pins with an internal pull-up enabled per note 6."
},
{
"number": "24",
"name": "PA25",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[13], SERCOM3/PAD[3], SERCOM5/PAD[3], TC5/WO[1], TCC1/WO[3] and the USB DP data line; leave unconnected pins with an internal pull-up enabled per note 6."
},
{
"number": "25",
"name": "PA27",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[15], TCC3/WO[6] and GCLK_IO[0]."
},
{
"number": "26",
"name": "RESET",
"type": "input",
"description": "External active-low reset input of the Power Manager."
},
{
"number": "27",
"name": "PA28",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[8], TCC3/WO[7] and GCLK_IO[0]."
},
{
"number": "28",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin for the device digital supply."
},
{
"number": "29",
"name": "VDDCORE",
"type": "power_out",
"description": "Regulated output supply of the internal voltage regulator that powers the core logic."
},
{
"number": "30",
"name": "VDDIN",
"type": "power_in",
"description": "Input supply pin for the internal voltage regulator and the core supply path."
},
{
"number": "31",
"name": "PA30",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[10], SERCOM1/PAD[2], TCC1/WO[0], TCC3/WO[4], GCLK_IO[0] and the SWCLK serial wire debug clock."
},
{
"number": "32",
"name": "PA31",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO, multiplexed to EXTINT[11], SERCOM1/PAD[3], TCC1/WO[1], TCC3/WO[5] and the SWDIO serial wire debug data pin when a debugger is present."
}
],
"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: Pinout taken from the SAM D21ExxA/B/D QFN32/TQFP32 figure (page 24) and the Table 7-1 multiplexing f"
],
"pages_sent": 118,
"cost_usd": 0.1392,
"at": "2026-10-30T22:45:33"
},
"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": 32,
"described": 32,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "atsamd21e17d-au.step",
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "53431be61c684e9d923915676a90cb08050c23ee3f834d76a77a3b19b41422f1",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atsamd21e17d-au-etched.step",
"role": "eda",
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"sha256": "c4386fcf61fc8614540913581142546219bf750036ea08e1223849424d95101b",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "TQFP-32(7x7)",
"Category": "Single Chip Microcomputer/Microcontroller",
"Pins": "32"
},
"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"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "18ca1ccab5aa330f16dfb0b24f5acf9e817998f61734ccad9f56657d409a708b",
"rows": [
{
"name": "Operating supply voltage (VDD)",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 1.62,
"typ": null,
"max": 3.63,
"conditions": "SAM D21 family; VDDIN, VDDIO and VDDANA at common VDD",
"source_page": 35,
"source": "datasheet"
},
{
"name": "Operating temperature range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "Ordering grade U, -40 to 85°C matte Sn plating (AU suffix)",
"source_page": 16,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"atsamd21e17d-au"
],
"discovery_pitch": "ATSAMD21E17D-AU (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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}