component
ATSAMD20J16B-AU
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, TQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"version": "0.1.0",
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"description": "Microchip Tech Pre-ordered MCUs, TQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"embedded processors & controllers",
"atsamd20j16b-au",
"factory-2.0.0",
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"component": {
"mpn": "ATSAMD20J16B-AU",
"manufacturer": "Microchip Tech",
"package": "TQFP-64(10x10)",
"pin_count": 64,
"category": "Embedded Processors & Controllers",
"subcategory": "Pre-ordered MCUs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/51851c2bbab9e621dba96fbc1a8cc30e.pdf",
"parts": {
"symbol": "atsamd20j16b-au.kicad_sym",
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"lbr": "atsamd20j16b-au.lbr"
},
"distributor_links": {
"lcsc": "C1339075",
"digikey": "ATSAMD20J16B-AU-ND",
"mouser": "556-ATSAMD20J16B-AU"
},
"distributor_check": {
"checked_at": "2026-10-30T16:21:29Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATSAMD20J16B-AU-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "556-ATSAMD20J16B-AU",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA00",
"type": "bidirectional",
"description": "Digital I/O pin PA00 (port A, bit 0) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "2",
"name": "PA01",
"type": "bidirectional",
"description": "Digital I/O pin PA01 (port A, bit 1) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "3",
"name": "PA02",
"type": "bidirectional",
"description": "Digital I/O pin PA02 (port A, bit 2) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "4",
"name": "PA03",
"type": "bidirectional",
"description": "Digital I/O pin PA03 (port A, bit 3) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "5",
"name": "PB04",
"type": "bidirectional",
"description": "Digital I/O pin PB04 (port B, bit 4) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "6",
"name": "PB05",
"type": "bidirectional",
"description": "Digital I/O pin PB05 (port B, bit 5) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "7",
"name": "GNDANA",
"type": "power_in",
"description": "Analog ground pin, as named in the pinout."
},
{
"number": "8",
"name": "VDDANA",
"type": "power_in",
"description": "Analog supply pin, as named in the pinout."
},
{
"number": "9",
"name": "PB06",
"type": "bidirectional",
"description": "Digital I/O pin PB06 (port B, bit 6) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "10",
"name": "PB07",
"type": "bidirectional",
"description": "Digital I/O pin PB07 (port B, bit 7) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "11",
"name": "PB08",
"type": "bidirectional",
"description": "Digital I/O pin PB08 (port B, bit 8) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "12",
"name": "PB09",
"type": "bidirectional",
"description": "Digital I/O pin PB09 (port B, bit 9) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "13",
"name": "PA04",
"type": "bidirectional",
"description": "Digital I/O pin PA04 (port A, bit 4) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "14",
"name": "PA05",
"type": "bidirectional",
"description": "Digital I/O pin PA05 (port A, bit 5) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "15",
"name": "PA06",
"type": "bidirectional",
"description": "Digital I/O pin PA06 (port A, bit 6) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "16",
"name": "PA07",
"type": "bidirectional",
"description": "Digital I/O pin PA07 (port A, bit 7) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "17",
"name": "PA08",
"type": "bidirectional",
"description": "Digital I/O pin PA08 (port A, bit 8) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "18",
"name": "PA09",
"type": "bidirectional",
"description": "Digital I/O pin PA09 (port A, bit 9) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "19",
"name": "PA10",
"type": "bidirectional",
"description": "Digital I/O pin PA10 (port A, bit 10) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "20",
"name": "PA11",
"type": "bidirectional",
"description": "Digital I/O pin PA11 (port A, bit 11) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "21",
"name": "VDDIO",
"type": "power_in",
"description": "I/O supply pin; the device operating voltage range is stated as 1.62 V to 3.63 V."
},
{
"number": "22",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "23",
"name": "PB10",
"type": "bidirectional",
"description": "Digital I/O pin PB10 (port B, bit 10) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "24",
"name": "PB11",
"type": "bidirectional",
"description": "Digital I/O pin PB11 (port B, bit 11) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "25",
"name": "PB12",
"type": "bidirectional",
"description": "Digital I/O pin PB12 (port B, bit 12) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "26",
"name": "PB13",
"type": "bidirectional",
"description": "Digital I/O pin PB13 (port B, bit 13) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "27",
"name": "PB14",
"type": "bidirectional",
"description": "Digital I/O pin PB14 (port B, bit 14) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "28",
"name": "PB15",
"type": "bidirectional",
"description": "Digital I/O pin PB15 (port B, bit 15) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "29",
"name": "PA12",
"type": "bidirectional",
"description": "Digital I/O pin PA12 (port A, bit 12) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "30",
"name": "PA13",
"type": "bidirectional",
"description": "Digital I/O pin PA13 (port A, bit 13) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "31",
"name": "PA14",
"type": "bidirectional",
"description": "Digital I/O pin PA14 (port A, bit 14) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "32",
"name": "PA15",
"type": "bidirectional",
"description": "Digital I/O pin PA15 (port A, bit 15) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "33",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "34",
"name": "VDDIO",
"type": "power_in",
"description": "I/O supply pin; the device operating voltage range is stated as 1.62 V to 3.63 V."
},
{
"number": "35",
"name": "PA16",
"type": "bidirectional",
"description": "Digital I/O pin PA16 (port A, bit 16) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "36",
"name": "PA17",
"type": "bidirectional",
"description": "Digital I/O pin PA17 (port A, bit 17) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "37",
"name": "PA18",
"type": "bidirectional",
"description": "Digital I/O pin PA18 (port A, bit 18) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "38",
"name": "PA19",
"type": "bidirectional",
"description": "Digital I/O pin PA19 (port A, bit 19) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "39",
"name": "PB16",
"type": "bidirectional",
"description": "Digital I/O pin PB16 (port B, bit 16) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "40",
"name": "PB17",
"type": "bidirectional",
"description": "Digital I/O pin PB17 (port B, bit 17) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "41",
"name": "PA20",
"type": "bidirectional",
"description": "Digital I/O pin PA20 (port A, bit 20) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "42",
"name": "PA21",
"type": "bidirectional",
"description": "Digital I/O pin PA21 (port A, bit 21) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "43",
"name": "PA22",
"type": "bidirectional",
"description": "Digital I/O pin PA22 (port A, bit 22) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "44",
"name": "PA23",
"type": "bidirectional",
"description": "Digital I/O pin PA23 (port A, bit 23) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "45",
"name": "PA24",
"type": "bidirectional",
"description": "Digital I/O pin PA24 (port A, bit 24) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "46",
"name": "PA25",
"type": "bidirectional",
"description": "Digital I/O pin PA25 (port A, bit 25) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "47",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "48",
"name": "VDDIO",
"type": "power_in",
"description": "I/O supply pin; the device operating voltage range is stated as 1.62 V to 3.63 V."
},
{
"number": "49",
"name": "PB22",
"type": "bidirectional",
"description": "Digital I/O pin PB22 (port B, bit 22) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "50",
"name": "PB23",
"type": "bidirectional",
"description": "Digital I/O pin PB23 (port B, bit 23) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "51",
"name": "PA27",
"type": "bidirectional",
"description": "Digital I/O pin PA27 (port A, bit 27) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "52",
"name": "RESET",
"type": "input",
"description": "Reset pin per the pinout legend; polarity and threshold levels are not given in this extract."
},
{
"number": "53",
"name": "PA28",
"type": "bidirectional",
"description": "Digital I/O pin PA28 (port A, bit 28) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "54",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "55",
"name": "VDDCORE",
"type": "power_out",
"description": "Regulated core supply output pin, as identified in the pinout legend."
},
{
"number": "56",
"name": "VDDIN",
"type": "power_in",
"description": "Input supply pin, as identified in the pinout legend."
},
{
"number": "57",
"name": "PA30",
"type": "bidirectional",
"description": "Digital I/O pin PA30 (port A, bit 30) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "58",
"name": "PA31",
"type": "bidirectional",
"description": "Digital I/O pin PA31 (port A, bit 31) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "59",
"name": "PB30",
"type": "bidirectional",
"description": "Digital I/O pin PB30 (port B, bit 30) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "60",
"name": "PB31",
"type": "bidirectional",
"description": "Digital I/O pin PB31 (port B, bit 31) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "61",
"name": "PB00",
"type": "bidirectional",
"description": "Digital I/O pin PB00 (port B, bit 0) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "62",
"name": "PB01",
"type": "bidirectional",
"description": "Digital I/O pin PB01 (port B, bit 1) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "63",
"name": "PB02",
"type": "bidirectional",
"description": "Digital I/O pin PB02 (port B, bit 2) per the pinout legend; alternate peripheral functions are not given in this extract."
},
{
"number": "64",
"name": "PB03",
"type": "bidirectional",
"description": "Digital I/O pin PB03 (port B, bit 3) per the pinout legend; alternate peripheral functions are not given in this extract."
}
],
"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 MPN ATSAMD20J16B-AU does not appear in the ordering information (pages 6-11). The closest listed; The package hint says TQFP-64 (10x10). The 'AU' suffix maps to TQFP64 in the ordering code, but the ; The pinout text is a flattened extract. Pins 1-32 are on the left and 33-64 on the right, and both s"
],
"pages_sent": 13,
"cost_usd": 0.0898,
"at": "2026-10-30T16:21:12"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/51851c2bbab9e621dba96fbc1a8cc30e.pdf",
"pages": 51,
"sha256": "03b7f8fe8b9074bd",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 64,
"described": 64,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"zmin_mm": -0.0,
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"sha256": "60567e81b0770b6c519104183a7a05ba52dddc11146b5fbe21434fbb5801696c",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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{
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