component
ATSAMD21E17A-AUT
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"type": "component",
"slug": "atsamd21e17a-aut",
"title": "ATSAMD21E17A-AUT",
"brief": "Microchip Tech Pre-ordered MCUs, 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",
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"embedded processors & controllers",
"atsamd21e17a-aut",
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"component": {
"mpn": "ATSAMD21E17A-AUT",
"manufacturer": "Microchip Tech",
"package": "TQFP-32(7x7)",
"pin_count": 32,
"category": "Embedded Processors & Controllers",
"subcategory": "Pre-ordered MCUs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/d70e0a926271e38a2611b8b6dcc19c07.pdf",
"parts": {
"symbol": "atsamd21e17a-aut.kicad_sym",
"footprint": "atsamd21e17a-aut.kicad_mod",
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"model_3d_plain": "atsamd21e17a-aut-etched.glb",
"model_3d_step": "atsamd21e17a-aut-etched.step",
"model_3d_step_plain": "atsamd21e17a-aut.step",
"lbr": "atsamd21e17a-aut.lbr"
},
"distributor_links": {
"lcsc": "C618879",
"digikey": "ATSAMD21E17A-AUTTR-ND",
"mouser": "556-ATSAMD21E17A-AUT"
},
"distributor_check": {
"checked_at": "2026-10-28T16:09:19Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "556-ATSAMD21E17A-AUT",
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},
"pins": [
{
"number": "1",
"name": "PA00",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA; also XIN32 (32 kHz crystal input) and EXTINT[0], AIN[0] and SERCOM1 PAD[0] functions."
},
{
"number": "2",
"name": "PA01",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA; also XOUT32 (32 kHz crystal output) and EXTINT[1], AIN[1] and SERCOM1 PAD[1] functions."
},
{
"number": "3",
"name": "PA02",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA; analog input AIN[0] and VOUT DAC output (peripheral function B), with EXTINT[2]."
},
{
"number": "4",
"name": "PA03",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA; analog input AIN[1] and ADC/DAC VREFA reference (function B), with EXTINT[3]."
},
{
"number": "5",
"name": "PA04",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA; analog input AIN[4]/AIN[0] (function B), ADC VREFB reference, EXTINT[4] and SERCOM0 PAD[0]."
},
{
"number": "6",
"name": "PA05",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA; analog input AIN[5]/AIN[1] (function B), with EXTINT[5] and SERCOM0 PAD[1]."
},
{
"number": "7",
"name": "PA06",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA; analog input AIN[6]/AIN[2] (function B), with EXTINT[6] and SERCOM0 PAD[2]."
},
{
"number": "8",
"name": "PA07",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDANA; analog input AIN[7]/AIN[3] (function B), with EXTINT[7] and SERCOM0 PAD[3]."
},
{
"number": "9",
"name": "VDDANA",
"type": "power_in",
"description": "Analog supply for the ADC, DAC, analog comparators and analog port pins; SAM D21 operating voltage is 1.62V - 3.63V."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "11",
"name": "PA08",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; NMI input (function A), analog input AIN[16]/X[0], SERCOM0/SERCOM2 PAD[0] and TCC0 WO[0]."
},
{
"number": "12",
"name": "PA09",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; EXTINT[9], analog input AIN[17]/X[1], SERCOM0/SERCOM2 PAD[1] and TCC0 WO[1]."
},
{
"number": "13",
"name": "PA10",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; EXTINT[10], analog input AIN[18]/X[2], SERCOM0/SERCOM2 PAD[2] and TCC1 WO[0]."
},
{
"number": "14",
"name": "PA11",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; EXTINT[11], analog input AIN[19]/X[3], SERCOM0/SERCOM2 PAD[3] and TCC1 WO[1]."
},
{
"number": "15",
"name": "PA14",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; EXTINT[14], SERCOM2/SERCOM4 PAD[2], TC3 WO[0], and XIN oscillator input (Table 7-3)."
},
{
"number": "16",
"name": "PA15",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; EXTINT[15], SERCOM2/SERCOM4 PAD[3], TC3 WO[1], and XOUT oscillator output (Table 7-3)."
},
{
"number": "17",
"name": "PA16",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; EXTINT[0], X[4], SERCOM1/SERCOM3 PAD[0] and TCC2 WO[0]."
},
{
"number": "18",
"name": "PA17",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; EXTINT[1], X[5], SERCOM1/SERCOM3 PAD[1] and TCC2 WO[1]."
},
{
"number": "19",
"name": "PA18",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; EXTINT[2], X[6], SERCOM1/SERCOM3 PAD[2], TC3 WO[0] and AC CMP[0]."
},
{
"number": "20",
"name": "PA19",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; EXTINT[3], X[7], SERCOM1/SERCOM3 PAD[3], TC3 WO[1] and AC CMP[1]."
},
{
"number": "21",
"name": "PA22",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; EXTINT[6], X[10], SERCOM3/SERCOM5 PAD[0], TC4 WO[0] and GCLK_IO[6]."
},
{
"number": "22",
"name": "PA23",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; EXTINT[7], X[11], SERCOM3/SERCOM5 PAD[1], TC4 WO[1] and USB SOF 1kHz output."
},
{
"number": "23",
"name": "PA24",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; USB DM data line, EXTINT[12], SERCOM3/SERCOM5 PAD[2] and TC5 WO[0]. If unconnected, a pull-up is recommended to avoid extra consumption (<1mA)."
},
{
"number": "24",
"name": "PA25",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; USB DP data line, EXTINT[13], SERCOM3/SERCOM5 PAD[3] and TC5 WO[1]. If unconnected, a pull-up is recommended to avoid extra consumption (<1mA)."
},
{
"number": "25",
"name": "PA27",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; EXTINT[15], TCC3 WO[6] and GCLK_IO[0]."
},
{
"number": "26",
"name": "RESET",
"type": "input",
"description": "External active-low reset input to the device."
},
{
"number": "27",
"name": "PA28",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; EXTINT[8], TCC3 WO[7] and GCLK_IO[0]."
},
{
"number": "28",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "29",
"name": "VDDCORE",
"type": "power_out",
"description": "Regulated output supply from the internal voltage regulator to the core; requires external decoupling as described in the schematic checklist."
},
{
"number": "30",
"name": "VDDIN",
"type": "power_in",
"description": "Input supply to the internal voltage regulator and I/O reference; SAM D21 operating voltage is 1.62V - 3.63V."
},
{
"number": "31",
"name": "PA30",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; EXTINT[10], SERCOM1 PAD[2], TCC1 WO[0], TCC3 WO[4] and SWCLK debug clock."
},
{
"number": "32",
"name": "PA31",
"type": "bidirectional",
"description": "Port A general-purpose I/O on VDDIO; EXTINT[11], SERCOM1 PAD[3], TCC1 WO[1], TCC3 WO[5] and SWDIO debug data (active with debugger present)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"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: Pin map is taken from the shared QFN32/TQFP32 figure (section 5.5.1, page 24) for the SAM D21ExxA va"
],
"pages_sent": 118,
"cost_usd": 0.139,
"at": "2026-10-28T16:08:51"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/d70e0a926271e38a2611b8b6dcc19c07.pdf",
"pages": 1148,
"sha256": "18ca1ccab5aa330f",
"source_tier": "mfr"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 32,
"described": 32,
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"refuses_to_fabricate": true
}
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "53431be61c684e9d923915676a90cb08050c23ee3f834d76a77a3b19b41422f1",
"checked": "2026-10-28",
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"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "TQFP-32(7x7)",
"Category": "Embedded Processors & Controllers",
"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"
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"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "18ca1ccab5aa330f16dfb0b24f5acf9e817998f61734ccad9f56657d409a708b",
"rows": [
{
"name": "Operating voltage (SAM D21 supply range)",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 1.62,
"typ": null,
"max": 3.63,
"conditions": "",
"source_page": 2,
"source": "datasheet"
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},
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"discovery_pitch": "ATSAMD21E17A-AUT (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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