component
ATSAME54P20A-AFT
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, TQFP-128(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
Publish 0.1.1
95e2651
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{
"schema_version": 1,
"type": "component",
"slug": "atsame54p20a-aft",
"title": "ATSAME54P20A-AFT",
"brief": "Microchip Tech Pre-ordered MCUs, TQFP-128(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.1",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"embedded processors & controllers",
"atsame54p20a-aft",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ATSAME54P20A-AFT",
"manufacturer": "Microchip Tech",
"package": "TQFP-128(14x14)",
"pin_count": 128,
"category": "Embedded Processors & Controllers",
"subcategory": "Pre-ordered MCUs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/9793a584e47269a20b87364d41b6eaa9.pdf",
"parts": {
"symbol": "atsame54p20a-aft.kicad_sym",
"footprint": "atsame54p20a-aft.kicad_mod",
"model_3d": "atsame54p20a-aft-hero.glb",
"model_3d_plain": "atsame54p20a-aft.glb",
"model_3d_step": "atsame54p20a-aft-etched.step",
"model_3d_step_plain": "atsame54p20a-aft.step",
"lbr": "atsame54p20a-aft.lbr"
},
"distributor_links": {
"lcsc": "C618715",
"digikey": "ATSAME54P20A-AFTTR-ND",
"mouser": "556-ATSAME54P20A-AFT"
},
"distributor_check": {
"checked_at": "2026-11-09T05:56:44Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "ATSAME54P20A-AFTTR-ND",
"status": "found"
},
"mouser": {
"pn": "556-ATSAME54P20A-AFT",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "PA00",
"type": "bidirectional",
"description": "GPIO PA00 on VDDIO; EXTINT[0], SERCOM1 PAD[0], TC2 WO[0], or XIN32 for the 32 kHz crystal oscillator."
},
{
"number": "2",
"name": "PA01",
"type": "bidirectional",
"description": "GPIO PA01 on VDDIO; EXTINT[1], SERCOM1 PAD[1], TC2 WO[1], or XOUT32 for the 32 kHz crystal oscillator."
},
{
"number": "3",
"name": "PC00",
"type": "bidirectional",
"description": "GPIO PC00; EXTINT[0], ADC1 AIN[10], RTC tamper IN3; must be kept static to guarantee XOSC32K crystal-mode behavior."
},
{
"number": "4",
"name": "PC01",
"type": "bidirectional",
"description": "GPIO PC01; EXTINT[1], ADC1 AIN[11], RTC tamper IN4; should be steady for XOSC32K jitter minimization."
},
{
"number": "5",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "6",
"name": "VDDANA",
"type": "power_in",
"description": "Analog supply."
},
{
"number": "7",
"name": "PC02",
"type": "bidirectional",
"description": "GPIO PC02; EXTINT[2], ADC1 AIN[4]."
},
{
"number": "8",
"name": "PC03",
"type": "bidirectional",
"description": "GPIO PC03; EXTINT[3], ADC1 AIN[5]."
},
{
"number": "9",
"name": "PA02",
"type": "bidirectional",
"description": "GPIO PA02; EXTINT[2], ADC0 AIN[0], DAC VOUT[0], RTC tamper IN2."
},
{
"number": "10",
"name": "PA03",
"type": "bidirectional",
"description": "GPIO PA03; EXTINT[3], ANAREF VREFA, ADC0 AIN[1], PTC X0/Y0."
},
{
"number": "11",
"name": "PB04",
"type": "bidirectional",
"description": "GPIO PB04; EXTINT[4], ADC1 AIN[6], PTC X22/Y22."
},
{
"number": "12",
"name": "PB05",
"type": "bidirectional",
"description": "GPIO PB05; EXTINT[5], ADC1 AIN[7], PTC X23/Y23."
},
{
"number": "13",
"name": "PD00",
"type": "bidirectional",
"description": "GPIO PD00; EXTINT[0], ADC1 AIN[14]."
},
{
"number": "14",
"name": "GNDANA",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "15",
"name": "VDDANA",
"type": "power_in",
"description": "Analog supply."
},
{
"number": "16",
"name": "PD01",
"type": "bidirectional",
"description": "GPIO PD01; EXTINT[1], ADC1 AIN[15]."
},
{
"number": "17",
"name": "PB06",
"type": "bidirectional",
"description": "GPIO PB06; EXTINT[6], ADC1 AIN[8], PTC X24/Y24, CCL IN[6]."
},
{
"number": "18",
"name": "PB07",
"type": "bidirectional",
"description": "GPIO PB07; EXTINT[7], ADC1 AIN[9], PTC X25/Y25, CCL IN[7]."
},
{
"number": "19",
"name": "PB08",
"type": "bidirectional",
"description": "GPIO PB08; EXTINT[8], ADC0 AIN[2], ADC1 AIN[0], PTC X1/Y1, SERCOM4 PAD[0], TC4 WO[0]."
},
{
"number": "20",
"name": "PB09",
"type": "bidirectional",
"description": "GPIO PB09; EXTINT[9], ADC0 AIN[3], ADC1 AIN[1], PTC X2/Y2, SERCOM4 PAD[1], TC4 WO[1]."
},
{
"number": "21",
"name": "PA04",
"type": "bidirectional",
"description": "GPIO PA04; EXTINT[4], ANAREF VREFB, ADC0 AIN[4], AC AIN[0], SERCOM0 PAD[0], TC0 WO[0]."
},
{
"number": "22",
"name": "PA05",
"type": "bidirectional",
"description": "GPIO PA05; EXTINT[5], ADC0 AIN[5], AC AIN[1], DAC VOUT[1], SERCOM0 PAD[1], TC0 WO[1]."
},
{
"number": "23",
"name": "PA06",
"type": "bidirectional",
"description": "GPIO PA06; EXTINT[6], ANAREF VREFC, ADC0 AIN[6], AC AIN[2], SERCOM0 PAD[2], TC1 WO[0]."
},
{
"number": "24",
"name": "PA07",
"type": "bidirectional",
"description": "GPIO PA07; EXTINT[7], ADC0 AIN[7], AC AIN[3], SERCOM0 PAD[3], TC1 WO[1], CCL OUT[0]."
},
{
"number": "25",
"name": "GNDANA",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "26",
"name": "VDDANA",
"type": "power_in",
"description": "Analog supply."
},
{
"number": "27",
"name": "PC04",
"type": "bidirectional",
"description": "GPIO PC04; EXTINT[4], SERCOM6 PAD[0], TCC0 WO[0]."
},
{
"number": "28",
"name": "PC05",
"type": "bidirectional",
"description": "GPIO PC05; EXTINT[5], SERCOM6 PAD[1]."
},
{
"number": "29",
"name": "PC06",
"type": "bidirectional",
"description": "GPIO PC06; EXTINT[6], SERCOM6 PAD[2], SDHC0 SDCD."
},
{
"number": "30",
"name": "PC07",
"type": "bidirectional",
"description": "GPIO PC07; EXTINT[9], SERCOM6 PAD[3], SDHC0 SDWP."
},
{
"number": "31",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "32",
"name": "VDDIOB",
"type": "power_in",
"description": "I/O supply for the PA08-PA11 cluster."
},
{
"number": "33",
"name": "PA08",
"type": "bidirectional",
"description": "GPIO PA08 (high-sink, I2C-capable, VDDIOB); EXTINT NMI, ADC0 AIN[8], ADC1 AIN[2], SERCOM0/2, QSPI DATA[0]."
},
{
"number": "34",
"name": "PA09",
"type": "bidirectional",
"description": "GPIO PA09 (high-sink, I2C-capable, VDDIOB); EXTINT[9], ADC0 AIN[9], ADC1 AIN[3], SERCOM0/2, QSPI DATA[1]."
},
{
"number": "35",
"name": "PA10",
"type": "bidirectional",
"description": "GPIO PA10 (VDDIOB); EXTINT[10], ADC0 AIN[10], SERCOM0/2 PAD[2], QSPI DATA[2], GCLK IO[4]."
},
{
"number": "36",
"name": "PA11",
"type": "bidirectional",
"description": "GPIO PA11 (VDDIOB); EXTINT[11], ADC0 AIN[11], SERCOM0/2 PAD[3], QSPI DATA[3], GCLK IO[5]."
},
{
"number": "37",
"name": "VDDIOB",
"type": "power_in",
"description": "I/O supply for the PA08-PA11 cluster."
},
{
"number": "38",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "39",
"name": "PB10",
"type": "bidirectional",
"description": "GPIO PB10; EXTINT[10], SERCOM4 PAD[2], TC5 WO[0], TCC0/TCC1, QSPI SCK."
},
{
"number": "40",
"name": "PB11",
"type": "bidirectional",
"description": "GPIO PB11; EXTINT[11], SERCOM4 PAD[3], TC5 WO[1], TCC0/TCC1, QSPI CS."
},
{
"number": "41",
"name": "PB12",
"type": "bidirectional",
"description": "GPIO PB12; EXTINT[12], PTC X26/Y26, SERCOM4 PAD[0], TC4, TCC3, CAN1 TX."
},
{
"number": "42",
"name": "PB13",
"type": "bidirectional",
"description": "GPIO PB13; EXTINT[13], PTC X27/Y27, SERCOM4 PAD[1], TC4, TCC3, CAN1 RX."
},
{
"number": "43",
"name": "PB14",
"type": "bidirectional",
"description": "GPIO PB14; EXTINT[14], PTC X28/Y28, SERCOM4 PAD[2], TC5, TCC4, GMAC GMDC."
},
{
"number": "44",
"name": "PB15",
"type": "bidirectional",
"description": "GPIO PB15; EXTINT[15], PTC X29/Y29, SERCOM4 PAD[3], TC5, TCC4, GMAC GMDIO."
},
{
"number": "45",
"name": "VDDIO",
"type": "power_in",
"description": "Digital I/O supply."
},
{
"number": "46",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "47",
"name": "PD08",
"type": "bidirectional",
"description": "GPIO PD08 (high-sink, I2C-capable); EXTINT[3], SERCOM7 PAD[0], SERCOM6 PAD[1], TCC0 WO[1]."
},
{
"number": "48",
"name": "PD09",
"type": "bidirectional",
"description": "GPIO PD09 (high-sink, I2C-capable); EXTINT[4], SERCOM7 PAD[1], SERCOM6 PAD[0], TCC0 WO[2]."
},
{
"number": "49",
"name": "PD10",
"type": "bidirectional",
"description": "GPIO PD10; EXTINT[5], SERCOM7 PAD[2], SERCOM6 PAD[2], TCC0 WO[3]."
},
{
"number": "50",
"name": "PD11",
"type": "bidirectional",
"description": "GPIO PD11; EXTINT[6], SERCOM7 PAD[3], SERCOM6 PAD[3], TCC0 WO[4]."
},
{
"number": "51",
"name": "PD12",
"type": "bidirectional",
"description": "GPIO PD12; EXTINT[7], TCC0 WO[5]."
},
{
"number": "52",
"name": "PC10",
"type": "bidirectional",
"description": "GPIO PC10; EXTINT[10], SERCOM6 PAD[2], SERCOM7 PAD[2], TCC0 WO[0], TCC1 WO[4]."
},
{
"number": "53",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "54",
"name": "VDDIO",
"type": "power_in",
"description": "Digital I/O supply."
},
{
"number": "55",
"name": "PC11",
"type": "bidirectional",
"description": "GPIO PC11; EXTINT[11], SERCOM6 PAD[3], SERCOM7 PAD[3], TCC0 WO[1], GMAC GMDC."
},
{
"number": "56",
"name": "PC12",
"type": "bidirectional",
"description": "GPIO PC12; EXTINT[12], SERCOM6/7 PAD[0]/[1] functions, TCC0/TCC1 outputs."
},
{
"number": "57",
"name": "PC13",
"type": "bidirectional",
"description": "GPIO PC13; EXTINT[13], SERCOM6/7 functions, TCC0/TCC1 outputs."
},
{
"number": "58",
"name": "PC14",
"type": "bidirectional",
"description": "GPIO PC14; EXTINT[14], SERCOM6/7 functions, TCC0/TCC1 outputs."
},
{
"number": "59",
"name": "PC15",
"type": "bidirectional",
"description": "GPIO PC15; EXTINT[15], SERCOM6/7 functions, TCC0/TCC1 outputs."
},
{
"number": "60",
"name": "PA12",
"type": "bidirectional",
"description": "GPIO PA12 (high-sink, I2C-capable); EXTINT[12], SERCOM2/4 functions, TC2, TCC0/TCC1."
},
{
"number": "61",
"name": "PA13",
"type": "bidirectional",
"description": "GPIO PA13 (high-sink, I2C-capable); EXTINT[13], SERCOM2/4 functions, TC2, TCC0/TCC1."
},
{
"number": "62",
"name": "PA14",
"type": "bidirectional",
"description": "GPIO PA14; EXTINT[14], XIN for crystal oscillator XOSC0."
},
{
"number": "63",
"name": "PA15",
"type": "bidirectional",
"description": "GPIO PA15; EXTINT[15], XOUT for crystal oscillator XOSC0."
},
{
"number": "64",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "65",
"name": "VDDIO",
"type": "power_in",
"description": "Digital I/O supply."
},
{
"number": "66",
"name": "PA16",
"type": "bidirectional",
"description": "GPIO PA16 (high-sink, I2C-capable); EXTINT[0], SERCOM1/3 functions, TC2, TCC1/TCC0, GCLK IO."
},
{
"number": "67",
"name": "PA17",
"type": "bidirectional",
"description": "GPIO PA17 (high-sink, I2C-capable); EXTINT[1], SERCOM1/3 functions, TC2, TCC1/TCC0, GCLK IO."
},
{
"number": "68",
"name": "PA18",
"type": "bidirectional",
"description": "GPIO PA18; EXTINT[2], SERCOM1/3 functions, TC3, TCC1/TCC0."
},
{
"number": "69",
"name": "PA19",
"type": "bidirectional",
"description": "GPIO PA19; EXTINT[3], SERCOM1/3 functions, TC3, TCC1/TCC0."
},
{
"number": "70",
"name": "PC16",
"type": "bidirectional",
"description": "GPIO PC16; EXTINT[0], SERCOM6 and TCC/GMAC functions."
},
{
"number": "71",
"name": "PC17",
"type": "bidirectional",
"description": "GPIO PC17; EXTINT[1], SERCOM6 and TCC/GMAC functions."
},
{
"number": "72",
"name": "PC18",
"type": "bidirectional",
"description": "GPIO PC18; EXTINT[2], SERCOM6 and TCC/GMAC functions."
},
{
"number": "73",
"name": "PC19",
"type": "bidirectional",
"description": "GPIO PC19; EXTINT[3], SERCOM6 and TCC/GMAC functions."
},
{
"number": "74",
"name": "PC20",
"type": "bidirectional",
"description": "GPIO PC20; EXTINT[4], SERCOM and GMAC functions."
},
{
"number": "75",
"name": "PC21",
"type": "bidirectional",
"description": "GPIO PC21; EXTINT[5], SERCOM and GMAC functions."
},
{
"number": "76",
"name": "PC22",
"type": "bidirectional",
"description": "GPIO PC22; EXTINT[6], SERCOM1 PAD[0] (IOSET 2) and GMAC functions."
},
{
"number": "77",
"name": "PC23",
"type": "bidirectional",
"description": "GPIO PC23; EXTINT[7], SERCOM1 and GMAC functions."
},
{
"number": "78",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "79",
"name": "VDDIO",
"type": "power_in",
"description": "Digital I/O supply."
},
{
"number": "80",
"name": "PD20",
"type": "bidirectional",
"description": "GPIO PD20; EXTINT[10], SERCOM1 and SDHC1 functions."
},
{
"number": "81",
"name": "PD21",
"type": "bidirectional",
"description": "GPIO PD21; EXTINT[11], SERCOM1 and SDHC1 functions."
},
{
"number": "82",
"name": "PB16",
"type": "bidirectional",
"description": "GPIO PB16; EXTINT[0], SERCOM5 PAD[0], TC6/TCC3, SDHC1/GCLK functions."
},
{
"number": "83",
"name": "PB17",
"type": "bidirectional",
"description": "GPIO PB17; EXTINT[1], SERCOM5 PAD[1], TC6/TCC3, SDHC1/GCLK functions."
},
{
"number": "84",
"name": "PB18",
"type": "bidirectional",
"description": "GPIO PB18; EXTINT[2], SERCOM and TCC1/PDEC functions, SDHC1."
},
{
"number": "85",
"name": "PB19",
"type": "bidirectional",
"description": "GPIO PB19; EXTINT[3], SERCOM and TCC1/PDEC functions, SDHC1."
},
{
"number": "86",
"name": "PB20",
"type": "bidirectional",
"description": "GPIO PB20; EXTINT[4], SERCOM3 PAD[0], SERCOM7 PAD[1], TCC1 WO[2], PDEC[2], SDHC1 SDDAT[2], GCLK IO[6]."
},
{
"number": "87",
"name": "PB21",
"type": "bidirectional",
"description": "GPIO PB21; EXTINT[5], SERCOM3 PAD[1], SERCOM7 PAD[0], TCC1 WO[3], SDHC1 SDDAT[3], GCLK IO[7]."
},
{
"number": "88",
"name": "PA20",
"type": "bidirectional",
"description": "GPIO PA20; EXTINT[4], PTC X14/Y14, SERCOM5/3 PAD[2], TC7 WO[0], TCC1/TCC0, SDHC1 SDCMD, I2S FS[0], PCC DATA[4], GMAC GMDC."
},
{
"number": "89",
"name": "PA21",
"type": "bidirectional",
"description": "GPIO PA21; EXTINT[5], PTC X15/Y15, SERCOM5/3 PAD[3], TC7 WO[1], TCC1/TCC0, SDHC1 SDCK, I2S SDO, PCC DATA[5], GMAC GMDIO."
},
{
"number": "90",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "91",
"name": "VDDIO",
"type": "power_in",
"description": "Digital I/O supply."
},
{
"number": "92",
"name": "PA22",
"type": "bidirectional",
"description": "GPIO PA22 (high-sink, I2C-capable); EXTINT[6], PTC X16/Y16, SERCOM3 PAD[0], SERCOM5 PAD[1], TC4 WO[0], CAN0 TX, I2S SDI, PCC DATA[6]."
},
{
"number": "93",
"name": "PA23",
"type": "bidirectional",
"description": "GPIO PA23 (high-sink, I2C-capable); EXTINT[7], PTC X17/Y17, SERCOM3 PAD[1], SERCOM5 PAD[0], TC4 WO[1], USB SOF_1KHZ, CAN0 RX, I2S FS[1], PCC DATA[7]."
},
{
"number": "94",
"name": "PA24",
"type": "bidirectional",
"description": "GPIO PA24; EXTINT[8], SERCOM3/5 PAD[2], TC5 WO[0], TCC2 WO[2], PDEC[0], USB DM, CAN0 TX."
},
{
"number": "95",
"name": "PA25",
"type": "bidirectional",
"description": "GPIO PA25; EXTINT[9], SERCOM3/5 PAD[3], TC5 WO[1], PDEC[1], USB DP, CAN0 RX, CCL OUT[2]."
},
{
"number": "96",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "97",
"name": "VDDIO",
"type": "power_in",
"description": "Digital I/O supply."
},
{
"number": "98",
"name": "PB22",
"type": "bidirectional",
"description": "GPIO PB22; EXTINT[6], SERCOM1/5 PAD[2], TC7 WO[0], PDEC[2], USB SOF_1KHZ, GCLK IO[0], or XIN for XOSC1."
},
{
"number": "99",
"name": "PB23",
"type": "bidirectional",
"description": "GPIO PB23; EXTINT[7], SERCOM1/5 PAD[3], TC7 WO[1], PDEC[0], GCLK IO[1], CCL OUT[0], or XOUT for XOSC1."
},
{
"number": "100",
"name": "PB24",
"type": "bidirectional",
"description": "GPIO PB24; EXTINT[8], SERCOM0 PAD[0], SERCOM2 PAD[1], PDEC[1], AC CMP[0]."
},
{
"number": "101",
"name": "PB25",
"type": "bidirectional",
"description": "GPIO PB25; EXTINT[9], SERCOM0 PAD[1], SERCOM2 PAD[0], PDEC[2], AC CMP[1]."
},
{
"number": "102",
"name": "PB26",
"type": "bidirectional",
"description": "GPIO PB26; EXTINT[12], SERCOM2 PAD[0], SERCOM4 PAD[1], TCC1 WO[2]."
},
{
"number": "103",
"name": "PB27",
"type": "bidirectional",
"description": "GPIO PB27; EXTINT[13], SERCOM2 PAD[1], SERCOM4 PAD[0], TCC1 WO[3]."
},
{
"number": "104",
"name": "PB28",
"type": "bidirectional",
"description": "GPIO PB28; EXTINT[14], SERCOM2 PAD[2], SERCOM4 PAD[2], TCC1 WO[4], I2S SCK[1]."
},
{
"number": "105",
"name": "PB29",
"type": "bidirectional",
"description": "GPIO PB29; EXTINT[15], SERCOM2 PAD[3], SERCOM4 PAD[3], TCC1 WO[5], I2S MCK[1]."
},
{
"number": "106",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "107",
"name": "VDDIO",
"type": "power_in",
"description": "Digital I/O supply."
},
{
"number": "108",
"name": "PC24",
"type": "bidirectional",
"description": "GPIO PC24; EXTINT[8], SERCOM0 PAD[2], SERCOM2 PAD[2], Cortex-M4 TRACEDATA[3]."
},
{
"number": "109",
"name": "PC25",
"type": "bidirectional",
"description": "GPIO PC25; EXTINT[9], SERCOM0 PAD[3], SERCOM2 PAD[3], Cortex-M4 TRACEDATA[2]."
},
{
"number": "110",
"name": "PC26",
"type": "bidirectional",
"description": "GPIO PC26; EXTINT[10], Cortex-M4 TRACEDATA[1]."
},
{
"number": "111",
"name": "PC27",
"type": "bidirectional",
"description": "GPIO PC27; EXTINT[11], SERCOM1 PAD[0], Cortex-M4 TRACECLK, SWO in single-wire trace mode, CCL IN[4]."
},
{
"number": "112",
"name": "PC28",
"type": "bidirectional",
"description": "GPIO PC28; EXTINT[12], SERCOM1 PAD[1], Cortex-M4 TRACEDATA[0], CCL IN[5]."
},
{
"number": "113",
"name": "PA27",
"type": "bidirectional",
"description": "GPIO PA27; EXTINT[11], PTC X18/Y18, GCLK IO[1]."
},
{
"number": "114",
"name": "RESETN",
"type": "input",
"description": "Active-low external reset input."
},
{
"number": "115",
"name": "VDDCORE",
"type": "passive",
"description": "Regulated core supply connection (regulated input/output supply)."
},
{
"number": "116",
"name": "GNDIO",
"type": "power_in",
"description": "I/O ground."
},
{
"number": "117",
"name": "VSW",
"type": "passive",
"description": "Switching regulator output (buck converter) pin."
},
{
"number": "118",
"name": "VDDIO",
"type": "power_in",
"description": "Digital I/O supply."
},
{
"number": "119",
"name": "PA30",
"type": "bidirectional",
"description": "GPIO PA30 on VDDIO; SWCLK serial wire debug clock, EXTINT[14], SERCOM7 PAD[2], SERCOM1 PAD[2], TC6 WO[0], TCC2 WO[0], GCLK IO[0]."
},
{
"number": "120",
"name": "PA31",
"type": "bidirectional",
"description": "GPIO PA31 on VDDIO; SWDIO serial wire debug data, EXTINT[15], SERCOM7 PAD[3], SERCOM1 PAD[3], TC6 WO[1], TCC2 WO[1], CCL OUT[1]."
},
{
"number": "121",
"name": "PB30",
"type": "bidirectional",
"description": "GPIO PB30; EXTINT[14], SERCOM7 PAD[0], SERCOM5 PAD[1], TC0 WO[0], TCC4 WO[0], TCC0 WO[6], SWO."
},
{
"number": "122",
"name": "PB31",
"type": "bidirectional",
"description": "GPIO PB31; EXTINT[15], SERCOM7 PAD[1], SERCOM5 PAD[0], TC0 WO[1], TCC4 WO[1], TCC0 WO[7]."
},
{
"number": "123",
"name": "PC30",
"type": "bidirectional",
"description": "GPIO PC30; EXTINT[14], ADC1 AIN[12]."
},
{
"number": "124",
"name": "PC31",
"type": "bidirectional",
"description": "GPIO PC31; EXTINT[15], ADC1 AIN[13]."
},
{
"number": "125",
"name": "PB00",
"type": "bidirectional",
"description": "GPIO PB00; EXTINT[0], ADC0 AIN[12], PTC X30/Y30, SERCOM5 PAD[2], TC7 WO[0], RTC tamper IN0, CCL IN[1]."
},
{
"number": "126",
"name": "PB01",
"type": "bidirectional",
"description": "GPIO PB01; EXTINT[1], ADC0 AIN[13], PTC X31/Y31, SERCOM5 PAD[3], TC7 WO[1], SUPC OUT0, RTC tamper OUT, CCL IN[2]."
},
{
"number": "127",
"name": "PB02",
"type": "bidirectional",
"description": "GPIO PB02; EXTINT[2], ADC0 AIN[14], PTC X20/Y20, SERCOM5 PAD[0], TC6 WO[0], TCC2 WO[2], SUPC OUT1, RTC tamper IN1, CCL OUT[0]."
},
{
"number": "128",
"name": "PB03",
"type": "bidirectional",
"description": "GPIO PB03; EXTINT[3], ADC0 AIN[15], PTC X21/Y21, 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: The pin figure for pins 45 and 46 is garbled in the text. I read them as 45=VDDIO and 46=GND. Please; The datasheet labels VDDCORE as a regulated input/output supply and VSW as the buck switching node. ; The mux table for these pins was not in the supplied pages, or only partly. The descriptions list on"
],
"pages_sent": 107,
"cost_usd": 0.7093,
"at": "2026-11-09T05:56:25"
},
"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": 128,
"described": 128,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
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{
"file": "atsame54p20a-aft.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
16,
16,
1.1
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3b8d257b30f25cdf1e0f6a8c639d98f6174f71f83f9b50ea0ca10c4bbb58ee28",
"checked": "2026-11-09",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atsame54p20a-aft-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
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16,
16,
1.1
],
"zmin_mm": 0,
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"footprint_binding": "identity",
"sha256": "cd974b4aa40870afb13fdcb7dab7ea5d3644fc2a786fc0ef39ebc771a0c4ef20",
"checked": "2026-11-09",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "TQFP-128(14x14)",
"Category": "Embedded Processors & Controllers",
"Pins": "128"
},
"appearance": {
"housing": {
"quote": "nu1RBase nu1 I Crypto RAM u2RLength Base of R Base of R value filled repetitively with u4FillValue",
"page": 1316,
"doc": "ds.pdf",
"material": "pet"
},
"contacts": {
"quote": "including indium tin oxide (ITO) sensor grids. The PTC requires one pin per X-line and one pin per Y-line. In the Self Capacitance mode, the PTC requires only one pin (Y-line) for each touch sensor.",
"page": 1697,
"doc": "ds.pdf",
"plating": "tin"
},
"version": 1,
"datasheet_sha256": "6f02ccc3e69325ab8c1b9199977ceaa31b9f138f2ed6fcf77933b4bda7bce862"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "6f02ccc3e69325ab8c1b9199977ceaa31b9f138f2ed6fcf77933b4bda7bce862",
"rows": [
{
"name": "VDDIO supply voltage",
"symbol": "VDDIO",
"kind": "recommended_operating",
"unit": "V",
"min": 1.71,
"typ": null,
"max": 3.63,
"conditions": "",
"source_page": 46,
"source": "datasheet"
},
{
"name": "VDDANA supply voltage",
"symbol": "VDDANA",
"kind": "recommended_operating",
"unit": "V",
"min": 1.71,
"typ": null,
"max": 3.63,
"conditions": "",
"source_page": 46,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
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"discovery_triggers": [
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],
"discovery_pitch": "ATSAME54P20A-AFT (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray"
},
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"visibility": "public",
"description": "Microchip Tech Pre-ordered MCUs, TQFP-128(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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