component
ATSAML21J16B-AUT
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "atsaml21j16b-aut",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"atsaml21j16b-aut",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"atsaml21j16b-aut.kicad_sym",
"atsaml21j16b-aut.kicad_mod",
"atsaml21j16b-aut.glb",
"atsaml21j16b-aut.step",
"atsaml21j16b-aut.lbr",
"docs/hero.png",
"docs/atsaml21j16b-aut-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"atsaml21j16b-aut-hero.glb",
"atsaml21j16b-aut-hero.overlay.json",
"atsaml21j16b-aut-etched.glb"
],
"component": {
"mpn": "ATSAML21J16B-AUT",
"manufacturer": "Microchip Tech",
"package": "TQFP-64(10x10)",
"pin_count": 64,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/208c38ada1a92b61ecbc9d4ff977ce6f.pdf",
"parts": {
"symbol": "atsaml21j16b-aut.kicad_sym",
"footprint": "atsaml21j16b-aut.kicad_mod",
"model_3d": "atsaml21j16b-aut-hero.glb",
"model_3d_plain": "atsaml21j16b-aut-etched.glb",
"model_3d_step": "atsaml21j16b-aut-etched.step",
"model_3d_step_plain": "atsaml21j16b-aut.step",
"lbr": "atsaml21j16b-aut.lbr"
},
"distributor_links": {
"lcsc": "C2053787",
"digikey": "ATSAML21J16B-AUTTR-ND",
"mouser": "556-ATSAML21J16B-AUT"
},
"distributor_check": {
"checked_at": "2026-10-30T23:19:59Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATSAML21J16B-AUTTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "556-ATSAML21J16B-AUT",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA00",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA00; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "2",
"name": "PA01",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA01; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "3",
"name": "PA02",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA02; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "4",
"name": "PA03",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA03; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "5",
"name": "PB04",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB04; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "6",
"name": "PB05",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB05; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "7",
"name": "GNDANA",
"type": "power_in",
"description": "Ground pin for the analog domain, listed separately from digital GND in the pinout."
},
{
"number": "8",
"name": "VDDANA",
"type": "power_in",
"description": "Analog supply pin; the device operating voltage range is 1.62V to 3.63V per the features list."
},
{
"number": "9",
"name": "PB06",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB06; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "10",
"name": "PB07",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB07; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "11",
"name": "PB08",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB08; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "12",
"name": "PB09",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB09; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "13",
"name": "PA04",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA04; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "14",
"name": "PA05",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA05; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "15",
"name": "PA06",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA06; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "16",
"name": "PA07",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA07; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "17",
"name": "PA08",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA08; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "18",
"name": "PA09",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA09; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "19",
"name": "PA10",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA10; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "20",
"name": "PA11",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA11; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "21",
"name": "VDDIO",
"type": "power_in",
"description": "Regulated input/output supply pin for the I/O ring; the device operating voltage range is 1.62V to 3.63V per the features list."
},
{
"number": "22",
"name": "GND",
"type": "power_in",
"description": "Ground pin for the digital domain."
},
{
"number": "23",
"name": "PB10",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB10; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "24",
"name": "PB11",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB11; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "25",
"name": "PB12",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB12; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "26",
"name": "PB13",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB13; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "27",
"name": "PB14",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB14; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "28",
"name": "PB15",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB15; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "29",
"name": "PA12",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA12; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "30",
"name": "PA13",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA13; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "31",
"name": "PA14",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA14; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "32",
"name": "PA15",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA15; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "33",
"name": "GND",
"type": "power_in",
"description": "Ground pin for the digital domain of the I/O ring."
},
{
"number": "34",
"name": "VDDIO",
"type": "power_in",
"description": "Regulated input/output supply pin for the I/O ring; the device operating voltage range is 1.62V to 3.63V per the features list."
},
{
"number": "35",
"name": "PA16",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA16; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "36",
"name": "PA17",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA17; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "37",
"name": "PA18",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA18; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "38",
"name": "PA19",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA19; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "39",
"name": "PB16",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB16; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "40",
"name": "PB17",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB17; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "41",
"name": "PA20",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA20; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "42",
"name": "PA21",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA21; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "43",
"name": "PA22",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA22; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "44",
"name": "PA23",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA23; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "45",
"name": "PA24",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA24; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "46",
"name": "PA25",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA25; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "47",
"name": "GND",
"type": "power_in",
"description": "Ground pin for the digital domain of the I/O ring."
},
{
"number": "48",
"name": "VDDIO",
"type": "power_in",
"description": "Regulated input/output supply pin for the I/O ring; the device operating voltage range is 1.62V to 3.63V per the features list."
},
{
"number": "49",
"name": "PB22",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB22; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "50",
"name": "PB23",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB23; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "51",
"name": "PA27",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA27; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "52",
"name": "RESET",
"type": "input",
"description": "Reset pin (legend: RESET PIN); the excerpt gives no polarity or electrical limits for it."
},
{
"number": "53",
"name": "VSW",
"type": "passive",
"description": "Regulator switching node pin of the internal core regulator; the excerpt does not state its connection or limits."
},
{
"number": "54",
"name": "GND",
"type": "power_in",
"description": "Ground pin for the digital domain."
},
{
"number": "55",
"name": "VDDCORE",
"type": "power_out",
"description": "Core supply pin, regulated by the internal regulator; the excerpt does not state its voltage or capacitor requirement."
},
{
"number": "56",
"name": "VDDIN",
"type": "power_in",
"description": "Input supply pin for the device; the device operating voltage range is 1.62V to 3.63V per the features list."
},
{
"number": "57",
"name": "PA30",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA30; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "58",
"name": "PA31",
"type": "bidirectional",
"description": "Port A general-purpose I/O pin PA31; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "59",
"name": "PB30",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB30; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "60",
"name": "PB31",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB31; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "61",
"name": "PB00",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB00; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "62",
"name": "PB01",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB01; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "63",
"name": "PB02",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB02; this excerpt gives no alternate functions or electrical limits for it."
},
{
"number": "64",
"name": "PB03",
"type": "bidirectional",
"description": "Port B general-purpose I/O pin PB03; this excerpt gives no alternate functions or electrical limits for it."
}
],
"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: The pin-function colour legend was lost in the text extraction, so the DIGITAL PIN vs ANALOG PIN cla; Direction of VDDCORE and VSW is not stated in this excerpt. VDDCORE is typed power_out and VSW passi; RESET polarity and electrical limits, alternate functions (including oscillator, SERCOM, ADC, DAC, T"
],
"pages_sent": 9,
"cost_usd": 0.0751,
"at": "2026-10-30T23:19:46"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/208c38ada1a92b61ecbc9d4ff977ce6f.pdf",
"pages": 40,
"sha256": "05c26dd321110f72",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 64,
"described": 64,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "atsaml21j16b-aut.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12.0,
12.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "60567e81b0770b6c519104183a7a05ba52dddc11146b5fbe21434fbb5801696c",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atsaml21j16b-aut-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12.0,
12.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "9a1e16a6e9deca5fa6ff9e47c90cec5213745b25150bec640b065bac01d3be20",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}