component
ATSAMD20E16A-MNT
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": "atsamd20e16a-mnt",
"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",
"atsamd20e16a-mnt",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
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"atsamd20e16a-mnt.step",
"atsamd20e16a-mnt.lbr",
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"docs/atsamd20e16a-mnt-datasheet.pdf",
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"atsamd20e16a-mnt-etched.glb"
],
"component": {
"mpn": "ATSAMD20E16A-MNT",
"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/70a692cf8b8dcfe634d1cacc20eac2ef.pdf",
"parts": {
"symbol": "atsamd20e16a-mnt.kicad_sym",
"footprint": "atsamd20e16a-mnt.kicad_mod",
"model_3d": "atsamd20e16a-mnt-hero.glb",
"model_3d_plain": "atsamd20e16a-mnt-etched.glb",
"model_3d_step": "atsamd20e16a-mnt-etched.step",
"model_3d_step_plain": "atsamd20e16a-mnt.step",
"lbr": "atsamd20e16a-mnt.lbr"
},
"distributor_links": {
"lcsc": "C614290",
"digikey": "ATSAMD20E16A-MNTTR-ND",
"mouser": "556-ATSAMD20E16A-MNT"
},
"distributor_check": {
"checked_at": "2026-10-30T20:34:00Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATSAMD20E16A-MNTTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "556-ATSAMD20E16A-MNT",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA00",
"type": "bidirectional",
"description": "General-purpose I/O on VDDANA with EXTINT[0], SERCOM1/PAD[0], TC2/WO[0] and XIN32 (32 kHz crystal input) functions."
},
{
"number": "2",
"name": "PA01",
"type": "bidirectional",
"description": "General-purpose I/O on VDDANA with EXTINT[1], SERCOM1/PAD[1], TC2/WO[1] and XOUT32 (32 kHz crystal output) functions."
},
{
"number": "3",
"name": "PA02",
"type": "bidirectional",
"description": "General-purpose I/O on VDDANA with EXTINT[2], ADC AIN[0], PTC Y[0] and DAC VOUT functions."
},
{
"number": "4",
"name": "PA03",
"type": "bidirectional",
"description": "General-purpose I/O on VDDANA with EXTINT[3], ADC/DAC VREFA, ADC AIN[1] and PTC Y[1] functions."
},
{
"number": "5",
"name": "PA04",
"type": "bidirectional",
"description": "General-purpose I/O on VDDANA with EXTINT[4], ADC VREFB, ADC AIN[4], AC AIN[0], PTC Y[2], SERCOM0/PAD[0] and TC0/WO[0] functions."
},
{
"number": "6",
"name": "PA05",
"type": "bidirectional",
"description": "General-purpose I/O on VDDANA with EXTINT[5], ADC AIN[5], AC AIN[1], PTC Y[3], SERCOM0/PAD[1] and TC0/WO[1] functions."
},
{
"number": "7",
"name": "PA06",
"type": "bidirectional",
"description": "General-purpose I/O on VDDANA with EXTINT[6], ADC AIN[6], AC AIN[2], PTC Y[4], SERCOM0/PAD[2] and TC1/WO[0] functions."
},
{
"number": "8",
"name": "PA07",
"type": "bidirectional",
"description": "General-purpose I/O on VDDANA with EXTINT[7], ADC AIN[7], AC AIN[3], PTC Y[5], SERCOM0/PAD[3] and TC1/WO[1] functions."
},
{
"number": "9",
"name": "VDDANA",
"type": "power_in",
"description": "Analog supply (1.62V to 3.63V) powering ADC, AC, DAC, PTC and the 32 kHz oscillators; internally connected to VDDIO in this package."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "11",
"name": "PA08",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO, I2C-capable, with NMI, ADC AIN[16], PTC X[0], SERCOM0/PAD[0], SERCOM2/PAD[0] and TC0/WO[0] functions."
},
{
"number": "12",
"name": "PA09",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO, I2C-capable, with EXTINT[9], ADC AIN[17], PTC X[1], SERCOM0/PAD[1], SERCOM2/PAD[1] and TC0/WO[1] functions."
},
{
"number": "13",
"name": "PA10",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO with EXTINT[10], ADC AIN[18], PTC X[2], SERCOM0/PAD[2], SERCOM2/PAD[2], TC1/WO[0] and GCLK_IO[4] functions."
},
{
"number": "14",
"name": "PA11",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO with EXTINT[11], ADC AIN[19], PTC X[3], SERCOM0/PAD[3], SERCOM2/PAD[3], TC1/WO[1] and GCLK_IO[5] functions."
},
{
"number": "15",
"name": "PA14",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO with EXTINT[14], SERCOM2/PAD[2], TC3/WO[0], GCLK_IO[0] and XIN (crystal oscillator input) functions."
},
{
"number": "16",
"name": "PA15",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO with EXTINT[15], SERCOM2/PAD[3], TC3/WO[1], GCLK_IO[1] and XOUT (crystal oscillator output) functions."
},
{
"number": "17",
"name": "PA16",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO, I2C-capable, with EXTINT[0], PTC X[4], SERCOM1/PAD[0], SERCOM3/PAD[0], TC2/WO[0] and GCLK_IO[2] functions."
},
{
"number": "18",
"name": "PA17",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO, I2C-capable, with EXTINT[1], PTC X[5], SERCOM1/PAD[1], SERCOM3/PAD[1], TC2/WO[1] and GCLK_IO[3] functions."
},
{
"number": "19",
"name": "PA18",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO with EXTINT[2], PTC X[6], SERCOM1/PAD[2], SERCOM3/PAD[2], TC3/WO[0] and AC CMP[0] functions."
},
{
"number": "20",
"name": "PA19",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO with EXTINT[3], PTC X[7], SERCOM1/PAD[3], SERCOM3/PAD[3], TC3/WO[1] and AC CMP[1] functions."
},
{
"number": "21",
"name": "PA22",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO, I2C-capable, with EXTINT[6], PTC X[10], SERCOM3/PAD[0], TC4/WO[0] and GCLK_IO[6] functions."
},
{
"number": "22",
"name": "PA23",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO, I2C-capable, with EXTINT[7], PTC X[11], SERCOM3/PAD[1], TC4/WO[1] and GCLK_IO[7] functions."
},
{
"number": "23",
"name": "PA24",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO with EXTINT[12], SERCOM3/PAD[2] and TC5/WO[0] functions."
},
{
"number": "24",
"name": "PA25",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO with EXTINT[13], SERCOM3/PAD[3] and TC5/WO[1] functions."
},
{
"number": "25",
"name": "PA27",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO with EXTINT[15] and GCLK_IO[0] functions."
},
{
"number": "26",
"name": "RESET",
"type": "input",
"description": "Active-low external reset input with internal pull-up; low-level threshold below 0.33*VDDIO (1.6V-2.0V) or 0.36*VDDIO (2.7V-3.6V)."
},
{
"number": "27",
"name": "PA28",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO with EXTINT[8] and GCLK_IO[0] functions."
},
{
"number": "28",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "29",
"name": "VDDCORE",
"type": "power_out",
"description": "Internal regulator output (1.2V nominal) powering the core, memories, peripherals and DFLL48M; requires external 1uF decoupling capacitor."
},
{
"number": "30",
"name": "VDDIN",
"type": "power_in",
"description": "Input supply (1.62V to 3.63V) powering I/O lines and the internal voltage regulator."
},
{
"number": "31",
"name": "PA30",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO that is the SWCLK serial wire debug clock (1kOhm pull-up recommended), also EXTINT[10], SERCOM1/PAD[2], TC1/WO[0] and GCLK_IO[0]."
},
{
"number": "32",
"name": "PA31",
"type": "bidirectional",
"description": "General-purpose I/O on VDDIO that is the SWDIO serial wire debug data pin (active only when a debugger is present), also EXTINT[11], SERCOM1/PAD[3] and TC1/WO[1]."
},
{
"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 does not show a pad number, name or required connection for the VQFN32 exposed pa; The datasheet says VDDIO and VDDANA are internally connected in VQFN32/TQFP32. Pin 9 is the only ext; The pinout figure was read from the extracted text. Pin positions follow the printed numbering but s"
],
"pages_sent": 142,
"cost_usd": 0.9439,
"at": "2026-10-30T20:33:53"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/70a692cf8b8dcfe634d1cacc20eac2ef.pdf",
"pages": 731,
"sha256": "2505526f248dd8c2",
"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": "atsamd20e16a-mnt.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": "atsamd20e16a-mnt-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": "529c59198f03432a31fae31d377440cf7375be91b703373b611a197080b4cc78",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "S8B",
"source_page": 681,
"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": "atsamd20e16a-mnt.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
}
}