component
ATSAMD21E15B-MU
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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{
"slug": "atsamd21e15b-mu",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Pre-ordered MCUs, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"embedded processors & controllers",
"atsamd21e15b-mu",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"atsamd21e15b-mu.kicad_sym",
"atsamd21e15b-mu.kicad_mod",
"atsamd21e15b-mu.glb",
"atsamd21e15b-mu.step",
"atsamd21e15b-mu.lbr",
"docs/hero.png",
"docs/atsamd21e15b-mu-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"atsamd21e15b-mu-hero.glb",
"atsamd21e15b-mu-hero.overlay.json",
"atsamd21e15b-mu-etched.glb"
],
"component": {
"mpn": "ATSAMD21E15B-MU",
"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": "atsamd21e15b-mu.kicad_sym",
"footprint": "atsamd21e15b-mu.kicad_mod",
"model_3d": "atsamd21e15b-mu-hero.glb",
"model_3d_plain": "atsamd21e15b-mu-etched.glb",
"model_3d_step": "atsamd21e15b-mu-etched.step",
"model_3d_step_plain": "atsamd21e15b-mu.step",
"lbr": "atsamd21e15b-mu.lbr"
},
"distributor_links": {
"lcsc": "C614238",
"digikey": "ATSAMD21E15B-MU-ND",
"mouser": "556-ATSAMD21E15B-MU"
},
"distributor_check": {
"checked_at": "2026-10-30T20:36:01Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATSAMD21E15B-MU-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "556-ATSAMD21E15B-MU",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA00",
"type": "bidirectional",
"description": "GPIO on VDDANA with EXTINT[0], SERCOM1/PAD[0], TCC2/WO[0]; also XIN32 for the 32kHz crystal oscillator."
},
{
"number": "2",
"name": "PA01",
"type": "bidirectional",
"description": "GPIO on VDDANA with EXTINT[1], SERCOM1/PAD[1], TCC2/WO[1]; also XOUT32 for the 32kHz crystal oscillator."
},
{
"number": "3",
"name": "PA02",
"type": "bidirectional",
"description": "GPIO on VDDANA with EXTINT[2], ADC AIN[0], PTC Y[0] and DAC VOUT."
},
{
"number": "4",
"name": "PA03",
"type": "bidirectional",
"description": "GPIO on VDDANA with EXTINT[3], ADC/DAC VREFA, ADC AIN[1] and PTC Y[1]."
},
{
"number": "5",
"name": "PA04",
"type": "bidirectional",
"description": "GPIO on VDDANA with EXTINT[4], ADC VREFB, ADC AIN[4], AC AIN[0], PTC Y[2], SERCOM0/PAD[0]."
},
{
"number": "6",
"name": "PA05",
"type": "bidirectional",
"description": "GPIO on VDDANA with EXTINT[5], ADC AIN[5], AC AIN[1], PTC Y[3], SERCOM0/PAD[1]."
},
{
"number": "7",
"name": "PA06",
"type": "bidirectional",
"description": "GPIO on VDDANA with EXTINT[6], ADC AIN[6], AC AIN[2], PTC Y[4], SERCOM0/PAD[2]."
},
{
"number": "8",
"name": "PA07",
"type": "bidirectional",
"description": "GPIO on VDDANA with EXTINT[7], ADC AIN[7], AC AIN[3], PTC Y[5], SERCOM0/PAD[3], I2S SD[0]."
},
{
"number": "9",
"name": "VDDANA",
"type": "power_in",
"description": "Analog supply input; powers the VDDANA-domain pins (PA00-PA07) and analog blocks."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "11",
"name": "PA08",
"type": "bidirectional",
"description": "GPIO on VDDIO with NMI, ADC AIN[16], PTC X[0], SERCOM0/PAD[0] or SERCOM2/PAD[0]; supports I2C mode."
},
{
"number": "12",
"name": "PA09",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[9], ADC AIN[17], PTC X[1], SERCOM0/PAD[1] or SERCOM2/PAD[1]; supports I2C mode."
},
{
"number": "13",
"name": "PA10",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[10], ADC AIN[18], PTC X[2], SERCOM0/2 PAD[2], GCLK_IO[4]."
},
{
"number": "14",
"name": "PA11",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[11], ADC AIN[19], PTC X[3], SERCOM0/2 PAD[3], GCLK_IO[5]."
},
{
"number": "15",
"name": "PA14",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[14], SERCOM2/PAD[2], TC3/WO[0], GCLK_IO[0]; also XIN for the crystal oscillator."
},
{
"number": "16",
"name": "PA15",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[15], SERCOM2/PAD[3], TC3/WO[1], GCLK_IO[1]; also XOUT for the crystal oscillator."
},
{
"number": "17",
"name": "PA16",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[0], PTC X[4], SERCOM1/3 PAD[0], GCLK_IO[2]; supports I2C mode."
},
{
"number": "18",
"name": "PA17",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[1], PTC X[5], SERCOM1/3 PAD[1], GCLK_IO[3]; supports I2C mode."
},
{
"number": "19",
"name": "PA18",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[2], PTC X[6], SERCOM1/3 PAD[2], TC3/WO[0], AC/CMP[0]."
},
{
"number": "20",
"name": "PA19",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[3], PTC X[7], SERCOM1/3 PAD[3], TC3/WO[1], I2S SD[0], AC/CMP[1]."
},
{
"number": "21",
"name": "PA22",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[6], PTC X[10], SERCOM3/PAD[0], TC4/WO[0], GCLK_IO[6]; supports I2C mode."
},
{
"number": "22",
"name": "PA23",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[7], PTC X[11], SERCOM3/PAD[1], TC4/WO[1], USB SOF 1kHz, GCLK_IO[7]; supports I2C mode."
},
{
"number": "23",
"name": "PA24",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[12], SERCOM3/PAD[2], TC5/WO[0] and USB DM; enable a pull-up if unconnected to avoid extra consumption (<1mA)."
},
{
"number": "24",
"name": "PA25",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[13], SERCOM3/PAD[3], TC5/WO[1] and USB DP; enable a pull-up if unconnected to avoid extra consumption (<1mA)."
},
{
"number": "25",
"name": "PA27",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[15] and GCLK_IO[0]."
},
{
"number": "26",
"name": "RESET",
"type": "input",
"description": "External reset input, active low."
},
{
"number": "27",
"name": "PA28",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[8] and GCLK_IO[0]."
},
{
"number": "28",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "29",
"name": "VDDCORE",
"type": "power_out",
"description": "Regulated output supply for the core."
},
{
"number": "30",
"name": "VDDIN",
"type": "power_in",
"description": "Input supply for the device and internal regulator."
},
{
"number": "31",
"name": "PA30",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[10], SERCOM1/PAD[2], TCC1/WO[0], GCLK_IO[0]; SWCLK for serial wire debug."
},
{
"number": "32",
"name": "PA31",
"type": "bidirectional",
"description": "GPIO on VDDIO with EXTINT[11], SERCOM1/PAD[3], TCC1/WO[1]; SWDIO for serial wire debug, active only with a debugger 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-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet text provided does not include the QFN32 package drawing or any exposed pad (EP) pin d; Pin descriptions are built from the I/O multiplexing tables (pages 29-30) and the oscillator and SWD"
],
"pages_sent": 118,
"cost_usd": 0.9134,
"at": "2026-10-30T20:35:53"
},
"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": "atsamd21e15b-mu.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.0,
5.0,
0.875
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atsamd21e15b-mu-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.0,
5.0,
0.875
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "726e246744dbb3723dd5a1add30df3de4a65d4a873b938e26a407b3fdd7114b4",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "S8B",
"source_page": 1089,
"D": {
"nom_mm": 5.0,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 5.0,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 0.9,
"range_mm": [
0.8,
1.0
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "atsamd21e15b-mu.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
}
}