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ATSAME54N20A-AUT
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
"slug": "atsame54n20a-aut",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"atsame54n20a-aut",
"factory-2.0.0",
"extractor-text"
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"dependencies": {},
"hero": {
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"path": "docs/hero.png"
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"component": {
"mpn": "ATSAME54N20A-AUT",
"manufacturer": "Microchip Tech",
"package": "TQFP-100(14x14)",
"pin_count": 100,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9793a584e47269a20b87364d41b6eaa9.pdf",
"parts": {
"symbol": "atsame54n20a-aut.kicad_sym",
"footprint": "atsame54n20a-aut.kicad_mod",
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"model_3d_step_plain": "atsame54n20a-aut.step",
"lbr": "atsame54n20a-aut.lbr"
},
"distributor_links": {
"lcsc": "C618689",
"digikey": "ATSAME54N20A-AUTTR-ND",
"mouser": "556-ATSAME54N20AAUT"
},
"distributor_check": {
"checked_at": "2026-10-30T22:35:13Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATSAME54N20A-AUTTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "556-ATSAME54N20AAUT",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA00",
"type": "bidirectional",
"description": "General-purpose I/O PA00 with EXTINT[0], SERCOM1/PAD[0], TC2/WO[0]; also the XIN32 pin of the 32 kHz crystal oscillator (XOSC32K)."
},
{
"number": "2",
"name": "PA01",
"type": "bidirectional",
"description": "General-purpose I/O PA01 with EXTINT[1], SERCOM1/PAD[1], TC2/WO[1]; also the XOUT32 pin of the 32 kHz crystal oscillator (XOSC32K)."
},
{
"number": "3",
"name": "PC00",
"type": "bidirectional",
"description": "General-purpose I/O PC00 with EXTINT[0] and ADC1/AIN[10]; must be held static to guarantee XOSC32K crystal-mode behavior."
},
{
"number": "4",
"name": "PC01",
"type": "bidirectional",
"description": "General-purpose I/O PC01 with EXTINT[1] and ADC1/AIN[11]."
},
{
"number": "5",
"name": "PC02",
"type": "bidirectional",
"description": "General-purpose I/O PC02 with EXTINT[2] and ADC1/AIN[4]."
},
{
"number": "6",
"name": "PC03",
"type": "bidirectional",
"description": "General-purpose I/O PC03 with EXTINT[3] and ADC1/AIN[5]."
},
{
"number": "7",
"name": "PA02",
"type": "bidirectional",
"description": "General-purpose I/O PA02 with EXTINT[2], ADC0/AIN[0] and DAC/VOUT[0]."
},
{
"number": "8",
"name": "PA03",
"type": "bidirectional",
"description": "General-purpose I/O PA03 with EXTINT[3], ANAREF/VREFA external reference and ADC0/AIN[1]."
},
{
"number": "9",
"name": "PB04",
"type": "bidirectional",
"description": "General-purpose I/O PB04 with EXTINT[4] and ADC1/AIN[6]."
},
{
"number": "10",
"name": "PB05",
"type": "bidirectional",
"description": "General-purpose I/O PB05 with EXTINT[5] and ADC1/AIN[7]."
},
{
"number": "11",
"name": "GNDANA",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "12",
"name": "VDDANA",
"type": "power_in",
"description": "Analog supply."
},
{
"number": "13",
"name": "PB06",
"type": "bidirectional",
"description": "General-purpose I/O PB06 with EXTINT[6], ADC1/AIN[8] and CCL/IN[6]."
},
{
"number": "14",
"name": "PB07",
"type": "bidirectional",
"description": "General-purpose I/O PB07 with EXTINT[7], ADC1/AIN[9] and CCL/IN[7]."
},
{
"number": "15",
"name": "PB08",
"type": "bidirectional",
"description": "General-purpose I/O PB08 with EXTINT[8], ADC0/AIN[2], ADC1/AIN[0], SERCOM4/PAD[0], TC4/WO[0]."
},
{
"number": "16",
"name": "PB09",
"type": "bidirectional",
"description": "General-purpose I/O PB09 with EXTINT[9], ADC0/AIN[3], ADC1/AIN[1], SERCOM4/PAD[1], TC4/WO[1]."
},
{
"number": "17",
"name": "PA04",
"type": "bidirectional",
"description": "General-purpose I/O PA04 with EXTINT[4], ANAREF/VREFB, ADC0/AIN[4], AC/AIN[0], SERCOM0/PAD[0]."
},
{
"number": "18",
"name": "PA05",
"type": "bidirectional",
"description": "General-purpose I/O PA05 with EXTINT[5], ADC0/AIN[5], AC/AIN[1], DAC/VOUT[1], SERCOM0/PAD[1]."
},
{
"number": "19",
"name": "PA06",
"type": "bidirectional",
"description": "General-purpose I/O PA06 with EXTINT[6], ANAREF/VREFC, ADC0/AIN[6], AC/AIN[2], SERCOM0/PAD[2]."
},
{
"number": "20",
"name": "PA07",
"type": "bidirectional",
"description": "General-purpose I/O PA07 with EXTINT[7], ADC0/AIN[7], AC/AIN[3], SERCOM0/PAD[3]."
},
{
"number": "21",
"name": "PC05",
"type": "bidirectional",
"description": "General-purpose I/O PC05 with EXTINT[5]."
},
{
"number": "22",
"name": "PC06",
"type": "bidirectional",
"description": "General-purpose I/O PC06 with EXTINT[6] and SDHC0/SDCD."
},
{
"number": "23",
"name": "PC07",
"type": "bidirectional",
"description": "General-purpose I/O PC07 with EXTINT[9] and SDHC0/SDWP."
},
{
"number": "24",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "25",
"name": "VDDIOB",
"type": "power_in",
"description": "I/O supply for the VDDIOB pin cluster (PA08 to PA11 I/O)."
},
{
"number": "26",
"name": "PA08",
"type": "bidirectional",
"description": "High-sink general-purpose I/O PA08 with NMI, ADC0/AIN[8], ADC1/AIN[2], QSPI/DATA[0], SDHC0/SDCMD; I2C-capable pin on VDDIOB."
},
{
"number": "27",
"name": "PA09",
"type": "bidirectional",
"description": "High-sink general-purpose I/O PA09 with EXTINT[9], ADC0/AIN[9], ADC1/AIN[3], QSPI/DATA[1], SDHC0/SDDAT[0]; I2C-capable pin on VDDIOB."
},
{
"number": "28",
"name": "PA10",
"type": "bidirectional",
"description": "General-purpose I/O PA10 with EXTINT[10], ADC0/AIN[10], QSPI/DATA[2], SDHC0/SDDAT[1], GCLK/IO[4]."
},
{
"number": "29",
"name": "PA11",
"type": "bidirectional",
"description": "General-purpose I/O PA11 with EXTINT[11], ADC0/AIN[11], QSPI/DATA[3], SDHC0/SDDAT[2], GCLK/IO[5]."
},
{
"number": "30",
"name": "VDDIOB",
"type": "power_in",
"description": "I/O supply for the VDDIOB pin cluster."
},
{
"number": "31",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "32",
"name": "PB10",
"type": "bidirectional",
"description": "General-purpose I/O PB10 with EXTINT[10], QSPI/SCK, SDHC0/SDDAT[3], GCLK/IO[4]."
},
{
"number": "33",
"name": "PB11",
"type": "bidirectional",
"description": "General-purpose I/O PB11 with EXTINT[11], QSPI/CS, SDHC0/SDCK, GCLK/IO[5]."
},
{
"number": "34",
"name": "PB12",
"type": "bidirectional",
"description": "General-purpose I/O PB12 with EXTINT[12], CAN1/TX, SDHC0/SDCD, GCLK/IO[6]."
},
{
"number": "35",
"name": "PB13",
"type": "bidirectional",
"description": "General-purpose I/O PB13 with EXTINT[13], CAN1/RX, SDHC0/SDWP, GCLK/IO[7]."
},
{
"number": "36",
"name": "PB14",
"type": "bidirectional",
"description": "General-purpose I/O PB14 with EXTINT[14], CAN1/TX, GMAC/GMDC, GCLK/IO[0]."
},
{
"number": "37",
"name": "PB15",
"type": "bidirectional",
"description": "General-purpose I/O PB15 with EXTINT[15], CAN1/RX, GMAC/GMDIO, GCLK/IO[1]."
},
{
"number": "38",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "39",
"name": "VDDIO",
"type": "power_in",
"description": "I/O supply."
},
{
"number": "40",
"name": "PC10",
"type": "bidirectional",
"description": "General-purpose I/O PC10 with EXTINT[10], SERCOM6/PAD[2], SERCOM7/PAD[2], TCC0/WO[0]."
},
{
"number": "41",
"name": "PC11",
"type": "bidirectional",
"description": "General-purpose I/O PC11 with EXTINT[11], SERCOM6/PAD[3], SERCOM7/PAD[3], GMAC/GMDC."
},
{
"number": "42",
"name": "PC12",
"type": "bidirectional",
"description": "General-purpose I/O PC12 (PORT group C)."
},
{
"number": "43",
"name": "PC13",
"type": "bidirectional",
"description": "General-purpose I/O PC13 (PORT group C)."
},
{
"number": "44",
"name": "PC14",
"type": "bidirectional",
"description": "General-purpose I/O PC14 (PORT group C)."
},
{
"number": "45",
"name": "PC15",
"type": "bidirectional",
"description": "General-purpose I/O PC15 (PORT group C)."
},
{
"number": "46",
"name": "PA12",
"type": "bidirectional",
"description": "High-sink general-purpose I/O PA12; I2C-capable pin on VDDIO."
},
{
"number": "47",
"name": "PA13",
"type": "bidirectional",
"description": "High-sink general-purpose I/O PA13; I2C-capable pin on VDDIO."
},
{
"number": "48",
"name": "PA14",
"type": "bidirectional",
"description": "General-purpose I/O PA14; also XIN of oscillator XOSC0 (VDDIO supplied)."
},
{
"number": "49",
"name": "PA15",
"type": "bidirectional",
"description": "General-purpose I/O PA15; also XOUT of oscillator XOSC0 (VDDIO supplied)."
},
{
"number": "50",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "51",
"name": "VDDIO",
"type": "power_in",
"description": "I/O supply."
},
{
"number": "52",
"name": "PA16",
"type": "bidirectional",
"description": "High-sink general-purpose I/O PA16; I2C-capable pin on VDDIO."
},
{
"number": "53",
"name": "PA17",
"type": "bidirectional",
"description": "High-sink general-purpose I/O PA17; I2C-capable pin on VDDIO."
},
{
"number": "54",
"name": "PA18",
"type": "bidirectional",
"description": "General-purpose I/O PA18 (PORT group A)."
},
{
"number": "55",
"name": "PA19",
"type": "bidirectional",
"description": "General-purpose I/O PA19 (PORT group A)."
},
{
"number": "56",
"name": "PC16",
"type": "bidirectional",
"description": "General-purpose I/O PC16 (PORT group C)."
},
{
"number": "57",
"name": "PC17",
"type": "bidirectional",
"description": "General-purpose I/O PC17 (PORT group C)."
},
{
"number": "58",
"name": "PC18",
"type": "bidirectional",
"description": "General-purpose I/O PC18 (PORT group C)."
},
{
"number": "59",
"name": "PC19",
"type": "bidirectional",
"description": "General-purpose I/O PC19 (PORT group C)."
},
{
"number": "60",
"name": "PC20",
"type": "bidirectional",
"description": "General-purpose I/O PC20 (PORT group C)."
},
{
"number": "61",
"name": "PC21",
"type": "bidirectional",
"description": "General-purpose I/O PC21 (PORT group C)."
},
{
"number": "62",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "63",
"name": "VDDIO",
"type": "power_in",
"description": "I/O supply."
},
{
"number": "64",
"name": "PB16",
"type": "bidirectional",
"description": "General-purpose I/O PB16 (PORT group B)."
},
{
"number": "65",
"name": "PB17",
"type": "bidirectional",
"description": "General-purpose I/O PB17 (PORT group B)."
},
{
"number": "66",
"name": "PB18",
"type": "bidirectional",
"description": "General-purpose I/O PB18 (PORT group B)."
},
{
"number": "67",
"name": "PB19",
"type": "bidirectional",
"description": "General-purpose I/O PB19 (PORT group B)."
},
{
"number": "68",
"name": "PB20",
"type": "bidirectional",
"description": "General-purpose I/O PB20 with EXTINT[4], SERCOM3/PAD[0], SERCOM7/PAD[1], SDHC1/SDDAT[2], GCLK/IO[6]."
},
{
"number": "69",
"name": "PB21",
"type": "bidirectional",
"description": "General-purpose I/O PB21 with EXTINT[5], SERCOM3/PAD[1], SERCOM7/PAD[0], SDHC1/SDDAT[3], GCLK/IO[7]."
},
{
"number": "70",
"name": "PA20",
"type": "bidirectional",
"description": "General-purpose I/O PA20 with EXTINT[4], SERCOM5/PAD[2], SERCOM3/PAD[2], SDHC1/SDCMD, GMAC/GMDC."
},
{
"number": "71",
"name": "PA21",
"type": "bidirectional",
"description": "General-purpose I/O PA21 with EXTINT[5], SERCOM5/PAD[3], SERCOM3/PAD[3], SDHC1/SDCK, GMAC/GMDIO."
},
{
"number": "72",
"name": "PA22",
"type": "bidirectional",
"description": "High-sink general-purpose I/O PA22 with EXTINT[6], SERCOM3/PAD[0], CAN0/TX, CCL/IN[6]; I2C-capable pin on VDDIO."
},
{
"number": "73",
"name": "PA23",
"type": "bidirectional",
"description": "High-sink general-purpose I/O PA23 with EXTINT[7], SERCOM3/PAD[1], USB/SOF_1KHZ, CAN0/RX, CCL/IN[7]; I2C-capable pin on VDDIO."
},
{
"number": "74",
"name": "PA24",
"type": "bidirectional",
"description": "General-purpose I/O PA24 with EXTINT[8], USB/DM, CAN0/TX, CCL/IN[8]."
},
{
"number": "75",
"name": "PA25",
"type": "bidirectional",
"description": "General-purpose I/O PA25 with EXTINT[9], USB/DP, CAN0/RX, CCL/OUT[2]."
},
{
"number": "76",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "77",
"name": "VDDIO",
"type": "power_in",
"description": "I/O supply."
},
{
"number": "78",
"name": "PB22",
"type": "bidirectional",
"description": "General-purpose I/O PB22 with EXTINT[6], USB/SOF_1KHZ, GCLK/IO[0], CCL/IN[0]; also XIN of oscillator XOSC1."
},
{
"number": "79",
"name": "PB23",
"type": "bidirectional",
"description": "General-purpose I/O PB23 with EXTINT[7], GCLK/IO[1], CCL/OUT[0]; also XOUT of oscillator XOSC1."
},
{
"number": "80",
"name": "PB24",
"type": "bidirectional",
"description": "General-purpose I/O PB24 with EXTINT[8], SERCOM0/PAD[0], AC/CMP[0]."
},
{
"number": "81",
"name": "PB25",
"type": "bidirectional",
"description": "General-purpose I/O PB25 with EXTINT[9], SERCOM0/PAD[1], AC/CMP[1]."
},
{
"number": "82",
"name": "PC24",
"type": "bidirectional",
"description": "General-purpose I/O PC24 with EXTINT[8], SERCOM0/PAD[2] and TRACEDATA[3]."
},
{
"number": "83",
"name": "PC25",
"type": "bidirectional",
"description": "General-purpose I/O PC25 with EXTINT[9], SERCOM0/PAD[3] and TRACEDATA[2]."
},
{
"number": "84",
"name": "PC26",
"type": "bidirectional",
"description": "General-purpose I/O PC26 with EXTINT[10] and TRACEDATA[1]."
},
{
"number": "85",
"name": "PC27",
"type": "bidirectional",
"description": "General-purpose I/O PC27 with EXTINT[11], TRACECLK, SWO in single-wire debug mode, CCL/IN[4]."
},
{
"number": "86",
"name": "PC28",
"type": "bidirectional",
"description": "General-purpose I/O PC28 with EXTINT[12], TRACEDATA[0], CCL/IN[5]."
},
{
"number": "87",
"name": "PA27",
"type": "bidirectional",
"description": "General-purpose I/O PA27 with EXTINT[11] and GCLK/IO[1]."
},
{
"number": "88",
"name": "RESETN",
"type": "input",
"description": "Active-low external reset input."
},
{
"number": "89",
"name": "VDDCORE",
"type": "power_in",
"description": "Regulated core supply pin."
},
{
"number": "90",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "91",
"name": "VSW",
"type": "passive",
"description": "Switching regulator (buck) output pin."
},
{
"number": "92",
"name": "VDDIO",
"type": "power_in",
"description": "I/O supply."
},
{
"number": "93",
"name": "PA30",
"type": "bidirectional",
"description": "General-purpose I/O PA30 with EXTINT[14]; carries SWCLK for serial wire debug."
},
{
"number": "94",
"name": "PA31",
"type": "bidirectional",
"description": "General-purpose I/O PA31 with EXTINT[15]; carries SWDIO for serial wire debug."
},
{
"number": "95",
"name": "PB30",
"type": "bidirectional",
"description": "General-purpose I/O PB30 with EXTINT[14]; provides SWO in debug modes other than single-wire trace."
},
{
"number": "96",
"name": "PB31",
"type": "bidirectional",
"description": "General-purpose I/O PB31 with EXTINT[15], SERCOM7/PAD[1], TC0/WO[1], TCC4/WO[1]."
},
{
"number": "97",
"name": "PB00",
"type": "bidirectional",
"description": "General-purpose I/O PB00 with EXTINT[0], ADC0/AIN[12], CCL/IN[1]."
},
{
"number": "98",
"name": "PB01",
"type": "bidirectional",
"description": "General-purpose I/O PB01 with EXTINT[1], ADC0/AIN[13], CCL/IN[2]."
},
{
"number": "99",
"name": "PB02",
"type": "bidirectional",
"description": "General-purpose I/O PB02 with EXTINT[2], ADC0/AIN[14], CCL/OUT[0]."
},
{
"number": "100",
"name": "PB03",
"type": "bidirectional",
"description": "General-purpose I/O PB03 with EXTINT[3], ADC0/AIN[15], SERCOM5/PAD[1], TC6/WO[1]."
}
],
"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: Page 34 of the multiplexing table (covers PC12-PC15, PA12-PA19, PC16-PC21, PB16-PB19 in the 100-pin ; The supplied text does not state electrical types or functions for VSW and VDDCORE. VSW is typed pas; Pin-number column alignment in the multiplexing table is ambiguous for some rows. Pin positions come",
"3/100 pins cited to the wrong page (name found elsewhere): ['46:PA12@p38', '52:PA16@p38', '53:PA17@p38']"
],
"pages_sent": 107,
"cost_usd": 0.6849,
"at": "2026-10-30T22:34:54"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/9793a584e47269a20b87364d41b6eaa9.pdf",
"pages": 1934,
"sha256": "6f02ccc3e69325ab",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 100,
"described": 100,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "atsame54n20a-aut.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
16.0,
16.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "99d530be126138ea024746562f1110203db0273456e99932e7e1930dc9f5fba5",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atsame54n20a-aut-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
16.0,
16.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "ad7e98a038ea2ed6f56f4ed287f9aee0fa819eeef5850c3bb2f39f9a8499f209",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}