component
ATSAMD20G16A-AUT
Public Made by Adomby adom
Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"type": "component",
"slug": "atsamd20g16a-aut",
"title": "ATSAMD20G16A-AUT",
"brief": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"component": {
"mpn": "ATSAMD20G16A-AUT",
"manufacturer": "Microchip Tech",
"package": "TQFP-48(7x7)",
"pin_count": 48,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f7c6d17c3e64cf407b23c2a89abccc1d.pdf",
"parts": {
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"distributor_links": {
"lcsc": "C2053136",
"digikey": "ATSAMD20G16A-AUTTR-ND",
"mouser": "556-ATSAMD20G16A-AUT"
},
"distributor_check": {
"checked_at": "2026-10-30T23:23:37Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATSAMD20G16A-AUTTR-ND",
"status": "found",
"lifecycle": "Active"
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"pn": "556-ATSAMD20G16A-AUT",
"status": "found"
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"pins": [
{
"number": "1",
"name": "PA00",
"type": "bidirectional",
"description": "General-purpose I/O pin PA00 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "2",
"name": "PA01",
"type": "bidirectional",
"description": "General-purpose I/O pin PA01 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "3",
"name": "PA02",
"type": "bidirectional",
"description": "General-purpose I/O pin PA02 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "4",
"name": "PA03",
"type": "bidirectional",
"description": "General-purpose I/O pin PA03 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "5",
"name": "GNDANA",
"type": "power_in",
"description": "Ground return for the analog circuitry, paired with VDDANA."
},
{
"number": "6",
"name": "VDDANA",
"type": "power_in",
"description": "Analog supply pin; the device operating voltage range is 1.62V to 3.63V per the datasheet features."
},
{
"number": "7",
"name": "PB08",
"type": "bidirectional",
"description": "General-purpose I/O pin PB08 of PORT group B, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "8",
"name": "PB09",
"type": "bidirectional",
"description": "General-purpose I/O pin PB09 of PORT group B, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "9",
"name": "PA04",
"type": "bidirectional",
"description": "General-purpose I/O pin PA04 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "10",
"name": "PA05",
"type": "bidirectional",
"description": "General-purpose I/O pin PA05 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "11",
"name": "PA06",
"type": "bidirectional",
"description": "General-purpose I/O pin PA06 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "12",
"name": "PA07",
"type": "bidirectional",
"description": "General-purpose I/O pin PA07 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "13",
"name": "PA08",
"type": "bidirectional",
"description": "General-purpose I/O pin PA08 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "14",
"name": "PA09",
"type": "bidirectional",
"description": "General-purpose I/O pin PA09 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "15",
"name": "PA10",
"type": "bidirectional",
"description": "General-purpose I/O pin PA10 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "16",
"name": "PA11",
"type": "bidirectional",
"description": "General-purpose I/O pin PA11 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "17",
"name": "VDDIO",
"type": "power_in",
"description": "Digital I/O supply pin; the device operating voltage range is 1.62V to 3.63V per the datasheet features."
},
{
"number": "18",
"name": "GND",
"type": "power_in",
"description": "Digital ground pin."
},
{
"number": "19",
"name": "PB10",
"type": "bidirectional",
"description": "General-purpose I/O pin PB10 of PORT group B, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "20",
"name": "PB11",
"type": "bidirectional",
"description": "General-purpose I/O pin PB11 of PORT group B, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "21",
"name": "PA12",
"type": "bidirectional",
"description": "General-purpose I/O pin PA12 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "22",
"name": "PA13",
"type": "bidirectional",
"description": "General-purpose I/O pin PA13 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "23",
"name": "PA14",
"type": "bidirectional",
"description": "General-purpose I/O pin PA14 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "24",
"name": "PA15",
"type": "bidirectional",
"description": "General-purpose I/O pin PA15 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "25",
"name": "PA16",
"type": "bidirectional",
"description": "General-purpose I/O pin PA16 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "26",
"name": "PA17",
"type": "bidirectional",
"description": "General-purpose I/O pin PA17 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "27",
"name": "PA18",
"type": "bidirectional",
"description": "General-purpose I/O pin PA18 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "28",
"name": "PA19",
"type": "bidirectional",
"description": "General-purpose I/O pin PA19 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "29",
"name": "PA20",
"type": "bidirectional",
"description": "General-purpose I/O pin PA20 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "30",
"name": "PA21",
"type": "bidirectional",
"description": "General-purpose I/O pin PA21 of PORT group A; the label is displaced in the extracted text and is inferred from the stray PA21 label above pin 1."
},
{
"number": "31",
"name": "PA22",
"type": "bidirectional",
"description": "General-purpose I/O pin PA22 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "32",
"name": "PA23",
"type": "bidirectional",
"description": "General-purpose I/O pin PA23 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "33",
"name": "PA24",
"type": "bidirectional",
"description": "General-purpose I/O pin PA24 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "34",
"name": "PA25",
"type": "bidirectional",
"description": "General-purpose I/O pin PA25 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "35",
"name": "GND",
"type": "power_in",
"description": "Digital ground pin."
},
{
"number": "36",
"name": "VDDIO",
"type": "power_in",
"description": "Digital I/O supply pin; the device operating voltage range is 1.62V to 3.63V per the datasheet features."
},
{
"number": "37",
"name": "PB22",
"type": "bidirectional",
"description": "General-purpose I/O pin PB22 of PORT group B, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "38",
"name": "PB23",
"type": "bidirectional",
"description": "General-purpose I/O pin PB23 of PORT group B, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "39",
"name": "PA27",
"type": "bidirectional",
"description": "General-purpose I/O pin PA27 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "40",
"name": "RESET",
"type": "input",
"description": "Reset pin of the device, shown as RESET PIN in the pinout legend."
},
{
"number": "41",
"name": "PA28",
"type": "bidirectional",
"description": "General-purpose I/O pin PA28 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "42",
"name": "GND",
"type": "power_in",
"description": "Digital ground pin."
},
{
"number": "43",
"name": "VDDCORE",
"type": "power_out",
"description": "Regulated output supply pin for the core, shown as REGULATED OUTPUT SUPPLY in the pinout legend."
},
{
"number": "44",
"name": "VDDIN",
"type": "power_in",
"description": "Input supply pin for the device, shown as INPUT SUPPLY in the pinout legend; the operating voltage range is 1.62V to 3.63V per the datasheet features."
},
{
"number": "45",
"name": "PA30",
"type": "bidirectional",
"description": "General-purpose I/O pin PA30 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "46",
"name": "PA31",
"type": "bidirectional",
"description": "General-purpose I/O pin PA31 of PORT group A, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "47",
"name": "PB02",
"type": "bidirectional",
"description": "General-purpose I/O pin PB02 of PORT group B, as listed in the QFN48/TQFP48 pinout."
},
{
"number": "48",
"name": "PB03",
"type": "bidirectional",
"description": "General-purpose I/O pin PB03 of PORT group B, as listed in the QFN48/TQFP48 pinout."
}
],
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"metadata": {
"specs": {
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"Package": "TQFP-48(7x7)",
"Category": "Single Chip Microcomputer/Microcontroller",
"Pins": "48"
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"name": "Operating voltage",
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"conditions": "Operating Voltage, as printed in the Features list (summary, not a table)",
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"name": "Operating temperature range (package grade U)",
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"min": -40,
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"max": 85,
"conditions": "Package grade U (-40 to 85°C, Matte Sn plating); the AUT suffix carries grade U and T = tape and reel",
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{
"name": "Maximum CPU frequency",
"symbol": "",
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{
"name": "Junction-to-case thermal resistance, 48-pin TQFP",
"symbol": "θJC",
"kind": "thermal",
"unit": "°C/W",
"min": null,
"typ": 12.3,
"max": null,
"conditions": "48-pin TQFP package",
"source_page": 39,
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