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ATSAME51N20A-AFT
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": "atsame51n20a-aft",
"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",
"atsame51n20a-aft",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"atsame51n20a-aft.kicad_sym",
"atsame51n20a-aft.kicad_mod",
"atsame51n20a-aft.glb",
"atsame51n20a-aft.step",
"atsame51n20a-aft.lbr",
"docs/hero.png",
"docs/atsame51n20a-aft-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"atsame51n20a-aft-hero.glb",
"atsame51n20a-aft-hero.overlay.json",
"atsame51n20a-aft-etched.glb"
],
"component": {
"mpn": "ATSAME51N20A-AFT",
"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": "atsame51n20a-aft.kicad_sym",
"footprint": "atsame51n20a-aft.kicad_mod",
"model_3d": "atsame51n20a-aft-hero.glb",
"model_3d_plain": "atsame51n20a-aft-etched.glb",
"model_3d_step": "atsame51n20a-aft-etched.step",
"model_3d_step_plain": "atsame51n20a-aft.step",
"lbr": "atsame51n20a-aft.lbr"
},
"distributor_links": {
"lcsc": "C2053582",
"digikey": "ATSAME51N20A-AFTTR-ND",
"mouser": "556-ATSAME51N20A-AFT"
},
"distributor_check": {
"checked_at": "2026-10-31T06:22:50Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATSAME51N20A-AFTTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "556-ATSAME51N20A-AFT",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA00",
"type": "bidirectional",
"description": "GPIO PA00 with EXTINT[0], SERCOM1/PAD[0] and TC2/WO[0] functions; also XIN32 of the XOSC32K."
},
{
"number": "2",
"name": "PA01",
"type": "bidirectional",
"description": "GPIO PA01 with EXTINT[1], SERCOM1/PAD[1] and TC2/WO[1] functions; also XOUT32 of the XOSC32K."
},
{
"number": "3",
"name": "PC00",
"type": "bidirectional",
"description": "GPIO PC00 with EXTINT[0] and ADC1/AIN[10]; must be static to guarantee XOSC32K crystal-mode behavior."
},
{
"number": "4",
"name": "PC01",
"type": "bidirectional",
"description": "GPIO PC01 with EXTINT[1] and ADC1/AIN[11]."
},
{
"number": "5",
"name": "PC02",
"type": "bidirectional",
"description": "GPIO PC02 with EXTINT[2] and ADC1/AIN[4]."
},
{
"number": "6",
"name": "PC03",
"type": "bidirectional",
"description": "GPIO PC03 with EXTINT[3] and ADC1/AIN[5]."
},
{
"number": "7",
"name": "PA02",
"type": "bidirectional",
"description": "GPIO PA02 with EXTINT[2], ADC0/AIN[0] and DAC/VOUT[0]."
},
{
"number": "8",
"name": "PA03",
"type": "bidirectional",
"description": "GPIO PA03 with EXTINT[3], ANAREF/VREFA, ADC0/AIN[1] and PTC X0/Y0."
},
{
"number": "9",
"name": "PB04",
"type": "bidirectional",
"description": "GPIO PB04 with EXTINT[4], ADC1/AIN[6] and PTC X22/Y22."
},
{
"number": "10",
"name": "PB05",
"type": "bidirectional",
"description": "GPIO PB05 with EXTINT[5], ADC1/AIN[7] and PTC X23/Y23."
},
{
"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": "GPIO PB06 with EXTINT[6], ADC1/AIN[8], PTC X24/Y24 and CCL/IN[6]."
},
{
"number": "14",
"name": "PB07",
"type": "bidirectional",
"description": "GPIO PB07 with EXTINT[7], ADC1/AIN[9], PTC X25/Y25 and CCL/IN[7]."
},
{
"number": "15",
"name": "PB08",
"type": "bidirectional",
"description": "GPIO PB08 with EXTINT[8], ADC0/AIN[2], ADC1/AIN[0], PTC X1/Y1, SERCOM4/PAD[0], TC4/WO[0] and CCL/IN[8]."
},
{
"number": "16",
"name": "PB09",
"type": "bidirectional",
"description": "GPIO PB09 with EXTINT[9], ADC0/AIN[3], ADC1/AIN[1], PTC X2/Y2, SERCOM4/PAD[1], TC4/WO[1] and CCL/OUT[2]."
},
{
"number": "17",
"name": "PA04",
"type": "bidirectional",
"description": "GPIO PA04 with EXTINT[4], ANAREF/VREFB, ADC0/AIN[4], AC/AIN[0], PTC X3/Y3, SERCOM0/PAD[0], TC0/WO[0] and CCL/IN[0]."
},
{
"number": "18",
"name": "PA05",
"type": "bidirectional",
"description": "GPIO PA05 with EXTINT[5], ADC0/AIN[5], AC/AIN[1], DAC/VOUT[1], SERCOM0/PAD[1], TC0/WO[1] and CCL/IN[1]."
},
{
"number": "19",
"name": "PA06",
"type": "bidirectional",
"description": "GPIO PA06 with EXTINT[6], ANAREF/VREFC, ADC0/AIN[6], AC/AIN[2], PTC X4/Y4, SERCOM0/PAD[2], TC1/WO[0], SDHC0/SDCD and CCL/IN[2]."
},
{
"number": "20",
"name": "PA07",
"type": "bidirectional",
"description": "GPIO PA07 with EXTINT[7], ADC0/AIN[7], AC/AIN[3], PTC X5/Y5, SERCOM0/PAD[3], TC1/WO[1], SDHC0/SDWP and CCL/OUT[0]."
},
{
"number": "21",
"name": "PC05",
"type": "bidirectional",
"description": "GPIO PC05 with EXTINT[5] and SERCOM6/PAD[1]."
},
{
"number": "22",
"name": "PC06",
"type": "bidirectional",
"description": "GPIO PC06 with EXTINT[6], SERCOM6/PAD[2] and SDHC0/SDCD."
},
{
"number": "23",
"name": "PC07",
"type": "bidirectional",
"description": "GPIO PC07 with EXTINT[9], SERCOM6/PAD[3] 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 PA08/PA09 pin cluster."
},
{
"number": "26",
"name": "PA08",
"type": "bidirectional",
"description": "High-sink GPIO PA08 with EXTINT/NMI, ADC0/AIN[8], ADC1/AIN[2], PTC X6/Y6, SERCOM0/SERCOM2, TC0/WO[0], TCC0/TCC1, QSPI/DATA[0], SDHC0/SDCMD and I2C support."
},
{
"number": "27",
"name": "PA09",
"type": "bidirectional",
"description": "High-sink GPIO PA09 with EXTINT[9], ADC0/AIN[9], ADC1/AIN[3], PTC X7/Y7, SERCOM0/SERCOM2, TC0/WO[1], TCC0/TCC1, QSPI/DATA[1] and I2C support."
},
{
"number": "28",
"name": "PA10",
"type": "bidirectional",
"description": "GPIO PA10 with EXTINT[10], ADC0/AIN[10], PTC X8/Y8, SERCOM0/PAD[2], SERCOM2/PAD[2], QSPI/DATA[2] and GCLK/IO[4]."
},
{
"number": "29",
"name": "PA11",
"type": "bidirectional",
"description": "GPIO PA11 with EXTINT[11], ADC0/AIN[11], PTC X9/Y9, SERCOM0/PAD[3], SERCOM2/PAD[3], QSPI/DATA[3] and GCLK/IO[5]."
},
{
"number": "30",
"name": "VDDIOB",
"type": "power_in",
"description": "I/O supply for the PA08/PA09 pin cluster."
},
{
"number": "31",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "32",
"name": "PB10",
"type": "bidirectional",
"description": "GPIO PB10 with EXTINT[10], SERCOM4/PAD[2], TC5/WO[0], TCC0/TCC1, QSPI/SCK and GCLK/IO[4]."
},
{
"number": "33",
"name": "PB11",
"type": "bidirectional",
"description": "GPIO PB11 with EXTINT[11], SERCOM4/PAD[3], TC5/WO[1], TCC0/TCC1, QSPI/CS and GCLK/IO[5]."
},
{
"number": "34",
"name": "PB12",
"type": "bidirectional",
"description": "GPIO PB12 with EXTINT[12], PTC X26/Y26, SERCOM4/PAD[0], TC4/WO[0], TCC3, CAN1/TX and GCLK/IO[6]."
},
{
"number": "35",
"name": "PB13",
"type": "bidirectional",
"description": "GPIO PB13 with EXTINT[13], PTC X27/Y27, SERCOM4/PAD[1], TC4/WO[1], TCC3, CAN1/RX and GCLK/IO[7]."
},
{
"number": "36",
"name": "PB14",
"type": "bidirectional",
"description": "GPIO PB14 with EXTINT[14], PTC X28/Y28, SERCOM4/PAD[2], TC5/WO[0], TCC4, CAN1/TX, GMAC/GMDC and GCLK/IO[0]."
},
{
"number": "37",
"name": "PB15",
"type": "bidirectional",
"description": "GPIO PB15 with EXTINT[15], PTC X29/Y29, SERCOM4/PAD[3], TC5/WO[1], TCC4, CAN1/RX, GMAC/GMDIO and 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": "GPIO PC10 with EXTINT[10], SERCOM6/PAD[2], SERCOM7/PAD[2], TCC0 and TCC1."
},
{
"number": "41",
"name": "PC11",
"type": "bidirectional",
"description": "GPIO PC11 with EXTINT[11], SERCOM6/PAD[3], SERCOM7/PAD[3], TCC0, TCC1 and GMAC/GMDC."
},
{
"number": "42",
"name": "PC12",
"type": "bidirectional",
"description": "General-purpose I/O pin PC12 with peripheral multiplexing."
},
{
"number": "43",
"name": "PC13",
"type": "bidirectional",
"description": "General-purpose I/O pin PC13 with peripheral multiplexing."
},
{
"number": "44",
"name": "PC14",
"type": "bidirectional",
"description": "General-purpose I/O pin PC14 with peripheral multiplexing."
},
{
"number": "45",
"name": "PC15",
"type": "bidirectional",
"description": "General-purpose I/O pin PC15 with peripheral multiplexing."
},
{
"number": "46",
"name": "PA12",
"type": "bidirectional",
"description": "High-sink GPIO PA12 with I2C support and peripheral multiplexing."
},
{
"number": "47",
"name": "PA13",
"type": "bidirectional",
"description": "High-sink GPIO PA13 with I2C support and peripheral multiplexing."
},
{
"number": "48",
"name": "PA14",
"type": "bidirectional",
"description": "GPIO PA14 with peripheral multiplexing; also XIN of XOSC0 and carries SWCLK-unrelated oscillator input."
},
{
"number": "49",
"name": "PA15",
"type": "bidirectional",
"description": "GPIO PA15 with peripheral multiplexing; also XOUT of XOSC0."
},
{
"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 GPIO PA16 with I2C support and peripheral multiplexing."
},
{
"number": "53",
"name": "PA17",
"type": "bidirectional",
"description": "High-sink GPIO PA17 with I2C support and peripheral multiplexing."
},
{
"number": "54",
"name": "PA18",
"type": "bidirectional",
"description": "General-purpose I/O pin PA18 with peripheral multiplexing."
},
{
"number": "55",
"name": "PA19",
"type": "bidirectional",
"description": "General-purpose I/O pin PA19 with peripheral multiplexing."
},
{
"number": "56",
"name": "PC16",
"type": "bidirectional",
"description": "General-purpose I/O pin PC16 with peripheral multiplexing."
},
{
"number": "57",
"name": "PC17",
"type": "bidirectional",
"description": "General-purpose I/O pin PC17 with peripheral multiplexing."
},
{
"number": "58",
"name": "PC18",
"type": "bidirectional",
"description": "General-purpose I/O pin PC18 with peripheral multiplexing."
},
{
"number": "59",
"name": "PC19",
"type": "bidirectional",
"description": "General-purpose I/O pin PC19 with peripheral multiplexing."
},
{
"number": "60",
"name": "PC20",
"type": "bidirectional",
"description": "General-purpose I/O pin PC20 with peripheral multiplexing."
},
{
"number": "61",
"name": "PC21",
"type": "bidirectional",
"description": "General-purpose I/O pin PC21 with peripheral multiplexing."
},
{
"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 pin PB16 with peripheral multiplexing."
},
{
"number": "65",
"name": "PB17",
"type": "bidirectional",
"description": "General-purpose I/O pin PB17 with peripheral multiplexing."
},
{
"number": "66",
"name": "PB18",
"type": "bidirectional",
"description": "General-purpose I/O pin PB18 with peripheral multiplexing."
},
{
"number": "67",
"name": "PB19",
"type": "bidirectional",
"description": "General-purpose I/O pin PB19 with peripheral multiplexing."
},
{
"number": "68",
"name": "PB20",
"type": "bidirectional",
"description": "GPIO PB20 with EXTINT[4], SERCOM3/PAD[0], SERCOM7/PAD[1], TCC1/WO[2], PDEC/PDEC[2], SDHC1/SDDAT[2] and GCLK/IO[6]."
},
{
"number": "69",
"name": "PB21",
"type": "bidirectional",
"description": "GPIO PB21 with EXTINT[5], SERCOM3/PAD[1], SERCOM7/PAD[0], TCC1/WO[3], SDHC1/SDDAT[3] and GCLK/IO[7]."
},
{
"number": "70",
"name": "PA20",
"type": "bidirectional",
"description": "GPIO PA20 with EXTINT[4], PTC X14/Y14, SERCOM5/PAD[2], SERCOM3/PAD[2], TC7/WO[0], TCC1, TCC0, SDHC1/SDCMD, I2S/FS[0], PCC/DATA[4] and GMAC/GMDC."
},
{
"number": "71",
"name": "PA21",
"type": "bidirectional",
"description": "GPIO PA21 with EXTINT[5], PTC X15/Y15, SERCOM5/PAD[3], SERCOM3/PAD[3], TC7/WO[1], SDHC1/SDCK, I2S/SDO, PCC/DATA[5] and GMAC/GMDIO."
},
{
"number": "72",
"name": "PA22",
"type": "bidirectional",
"description": "High-sink GPIO PA22 with EXTINT[6], PTC X16/Y16, SERCOM3/PAD[0], TC4/WO[0], CAN0/TX, I2S/SDI, PCC/DATA[6], CCL/IN[6] and I2C support."
},
{
"number": "73",
"name": "PA23",
"type": "bidirectional",
"description": "High-sink GPIO PA23 with EXTINT[7], PTC X17/Y17, SERCOM3/PAD[1], TC4/WO[1], USB/SOF_1KHZ, CAN0/RX, I2S/FS[1], PCC/DATA[7], CCL/IN[7] and I2C support."
},
{
"number": "74",
"name": "PA24",
"type": "bidirectional",
"description": "GPIO PA24 with EXTINT[8], PTC X? none, SERCOM3/PAD[2], TC5/WO[0], TCC2/WO[2], PDEC/PDEC[0], USB/DM, CAN0/TX and CCL/IN[8]."
},
{
"number": "75",
"name": "PA25",
"type": "bidirectional",
"description": "GPIO PA25 with EXTINT[9], SERCOM3/PAD[3], TC5/WO[1], PDEC/PDEC[1], USB/DP, CAN0/RX and 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": "GPIO PB22 with EXTINT[6], SERCOM1/PAD[2], TC7/WO[0], PDEC/PDEC[2], USB/SOF_1KHZ, GCLK/IO[0] and CCL/IN[0]; also XIN of XOSC1."
},
{
"number": "79",
"name": "PB23",
"type": "bidirectional",
"description": "GPIO PB23 with EXTINT[7], SERCOM1/PAD[3], TC7/WO[1], PDEC/PDEC[0], GCLK/IO[1] and CCL/OUT[0]; also XOUT of XOSC1."
},
{
"number": "80",
"name": "PB24",
"type": "bidirectional",
"description": "GPIO PB24 with EXTINT[8], SERCOM0/PAD[0], SERCOM2/PAD[1], PDEC/PDEC[1] and AC/CMP[0]."
},
{
"number": "81",
"name": "PB25",
"type": "bidirectional",
"description": "GPIO PB25 with EXTINT[9], SERCOM0/PAD[1], SERCOM2/PAD[0], PDEC/PDEC[2] and AC/CMP[1]."
},
{
"number": "82",
"name": "PC24",
"type": "bidirectional",
"description": "GPIO PC24 with EXTINT[8], SERCOM0/PAD[2], SERCOM2/PAD[2] and CORTEX_CM4/TRACEDATA[3]."
},
{
"number": "83",
"name": "PC25",
"type": "bidirectional",
"description": "GPIO PC25 with EXTINT[9], SERCOM0/PAD[3], SERCOM2/PAD[3] and CORTEX_CM4/TRACEDATA[2]."
},
{
"number": "84",
"name": "PC26",
"type": "bidirectional",
"description": "GPIO PC26 with EXTINT[10] and CORTEX_CM4/TRACEDATA[1]."
},
{
"number": "85",
"name": "PC27",
"type": "bidirectional",
"description": "GPIO PC27 with EXTINT[11], SERCOM1/PAD[0], CORTEX_CM4/TRACECLK, CCL/IN[4]; assumes the SWO role in single-wire trace debug mode."
},
{
"number": "86",
"name": "PC28",
"type": "bidirectional",
"description": "GPIO PC28 with EXTINT[12], SERCOM1/PAD[1], CORTEX_CM4/TRACEDATA[0] and CCL/IN[5]."
},
{
"number": "87",
"name": "PA27",
"type": "bidirectional",
"description": "GPIO PA27 with EXTINT[11], PTC X18/Y18 and GCLK/IO[1]."
},
{
"number": "88",
"name": "RESETN",
"type": "input",
"description": "External reset input, active low."
},
{
"number": "89",
"name": "VDDCORE",
"type": "power_in",
"description": "Regulated core supply input/output."
},
{
"number": "90",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "91",
"name": "VSW",
"type": "passive",
"description": "Switching node of the embedded buck regulator."
},
{
"number": "92",
"name": "VDDIO",
"type": "power_in",
"description": "I/O supply."
},
{
"number": "93",
"name": "PA30",
"type": "bidirectional",
"description": "GPIO PA30 with EXTINT[14], PTC X19/Y19, SERCOM7/PAD[2], SERCOM1/PAD[2], TC6/WO[0], TCC2/WO[0], GCLK/IO[0], CCL/IN[3]; serves as SWCLK."
},
{
"number": "94",
"name": "PA31",
"type": "bidirectional",
"description": "GPIO PA31 with EXTINT[15], SERCOM7/PAD[3], SERCOM1/PAD[3], TC6/WO[1], TCC2/WO[1], CCL/OUT[1]; serves as SWDIO."
},
{
"number": "95",
"name": "PB30",
"type": "bidirectional",
"description": "GPIO PB30 with EXTINT[14], SERCOM7/PAD[0], SERCOM5/PAD[1], TC0/WO[0], TCC4/WO[0], TCC0/WO[6]; SWO in non-single-wire debug modes."
},
{
"number": "96",
"name": "PB31",
"type": "bidirectional",
"description": "GPIO PB31 with EXTINT[15], SERCOM7/PAD[1], SERCOM5/PAD[0], TC0/WO[1], TCC4/WO[1] and TCC0/WO[7]."
},
{
"number": "97",
"name": "PB00",
"type": "bidirectional",
"description": "GPIO PB00 with EXTINT[0], ADC0/AIN[12], PTC X30/Y30, SERCOM5/PAD[2], TC7/WO[0], CCL/IN[1]; RTC tamper IN0."
},
{
"number": "98",
"name": "PB01",
"type": "bidirectional",
"description": "GPIO PB01 with EXTINT[1], ADC0/AIN[13], PTC X31/Y31, SERCOM5/PAD[3], TC7/WO[1], CCL/IN[2]; SUPC OUT0 and RTC OUT."
},
{
"number": "99",
"name": "PB02",
"type": "bidirectional",
"description": "GPIO PB02 with EXTINT[2], ADC0/AIN[14], PTC X20/Y20, SERCOM5/PAD[0], TC6/WO[0], TCC2/WO[2], CCL/OUT[0]; SUPC OUT1 and RTC IN1."
},
{
"number": "100",
"name": "PB03",
"type": "bidirectional",
"description": "GPIO PB03 with EXTINT[3], ADC0/AIN[15], PTC X21/Y21, SERCOM5/PAD[1] and 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 I/O multiplexing table (PC12-PC21, PA12-PA19, PB16-PB19) was not in the supplied text; The datasheet text gives no electrical description of VSW and VDDCORE (only the 'regulated input/out; Description of PA14 contains an awkward phrase and PA24 contains a placeholder fragment ('PTC X? non"
],
"pages_sent": 107,
"cost_usd": 1.0205,
"at": "2026-10-31T06:22:07"
},
"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": "atsame51n20a-aft.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": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atsame51n20a-aft-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": "a46f51fec6db8adacabb0394ed24536c8a8454ab335983298c470246256cb44c",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}