component
ATSAME53J20A-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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"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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"component": {
"mpn": "ATSAME53J20A-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/9793a584e47269a20b87364d41b6eaa9.pdf",
"parts": {
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"distributor_links": {
"lcsc": "C619228",
"digikey": "ATSAME53J20A-AU-ND",
"mouser": "556-ATSAME53J20AAU"
},
"distributor_check": {
"checked_at": "2026-10-28T16:08:04Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "ATSAME53J20A-AU-ND",
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"pins": [
{
"number": "1",
"name": "PA00",
"type": "bidirectional",
"description": "General-purpose I/O PA00 that also carries EIC EXTINT[0], SERCOM1/PAD[0], TC2/WO[0], and XIN32 for the 32 kHz crystal oscillator."
},
{
"number": "2",
"name": "PA01",
"type": "bidirectional",
"description": "General-purpose I/O PA01 that also carries EIC EXTINT[1], SERCOM1/PAD[1], TC2/WO[1], and XOUT32 for the 32 kHz crystal oscillator."
},
{
"number": "3",
"name": "PA02",
"type": "bidirectional",
"description": "General-purpose I/O PA02 that also carries EIC EXTINT[2], ADC0/AIN[0], DAC/VOUT[0], and the RTC tamper input IN2."
},
{
"number": "4",
"name": "PA03",
"type": "bidirectional",
"description": "General-purpose I/O PA03 that also carries EIC EXTINT[3], the ADC0/AIN[1] analog input, ANAREF/VREFA, and PTC X0/Y0."
},
{
"number": "5",
"name": "PB04",
"type": "bidirectional",
"description": "General-purpose I/O PB04 that also carries EIC EXTINT[4], the ADC1/AIN[6] analog input, and PTC X22/Y22."
},
{
"number": "6",
"name": "PB05",
"type": "bidirectional",
"description": "General-purpose I/O PB05 that also carries EIC EXTINT[5], the ADC1/AIN[7] analog input, and PTC X23/Y23."
},
{
"number": "7",
"name": "GNDANA",
"type": "power_in",
"description": "Ground reference for the analog circuitry (ADC, DAC, AC, and PTC)."
},
{
"number": "8",
"name": "VDDANA",
"type": "power_in",
"description": "Analog supply pin for the ADC, DAC, AC, and PTC."
},
{
"number": "9",
"name": "PB06",
"type": "bidirectional",
"description": "General-purpose I/O PB06 that also carries EIC EXTINT[6], the ADC1/AIN[8] analog input, PTC X24/Y24, and CCL IN[6]."
},
{
"number": "10",
"name": "PB07",
"type": "bidirectional",
"description": "General-purpose I/O PB07 that also carries EIC EXTINT[7], the ADC1/AIN[9] analog input, PTC X25/Y25, and CCL IN[7]."
},
{
"number": "11",
"name": "PB08",
"type": "bidirectional",
"description": "General-purpose I/O PB08 that also carries EIC EXTINT[8], ADC0/AIN[2], ADC1/AIN[0], PTC X1/Y1, SERCOM4/PAD[0], TC4/WO[0], and CCL IN[8]."
},
{
"number": "12",
"name": "PB09",
"type": "bidirectional",
"description": "General-purpose I/O PB09 that also carries EIC EXTINT[9], ADC0/AIN[3], ADC1/AIN[1], PTC X2/Y2, SERCOM4/PAD[1], and TC4/WO[1]."
},
{
"number": "13",
"name": "PA04",
"type": "bidirectional",
"description": "General-purpose I/O PA04 that also carries EIC EXTINT[4], ANAREF/VREFB, ADC0/AIN[4], AC/AIN[0], PTC X3/Y3, SERCOM0/PAD[0], and TC0/WO[0]."
},
{
"number": "14",
"name": "PA05",
"type": "bidirectional",
"description": "General-purpose I/O PA05 that also carries EIC EXTINT[5], ADC0/AIN[5], AC/AIN[1], DAC/VOUT[1], SERCOM0/PAD[1], and TC0/WO[1]."
},
{
"number": "15",
"name": "PA06",
"type": "bidirectional",
"description": "General-purpose I/O PA06 that also carries EIC EXTINT[6], ANAREF/VREFC, ADC0/AIN[6], AC/AIN[2], PTC X4/Y4, SERCOM0/PAD[2], and TC1/WO[0]."
},
{
"number": "16",
"name": "PA07",
"type": "bidirectional",
"description": "General-purpose I/O PA07 that also carries EIC EXTINT[7], ADC0/AIN[7], AC/AIN[3], PTC X5/Y5, SERCOM0/PAD[3], and TC1/WO[1]."
},
{
"number": "17",
"name": "PA08",
"type": "bidirectional",
"description": "General-purpose I/O PA08 that also carries EIC NMI, ADC0/AIN[8], ADC1/AIN[2], SERCOM0/PAD[0], SERCOM2/PAD[1], and TCC0/TCC1 waveform outputs; it is a High Sink pin."
},
{
"number": "18",
"name": "PA09",
"type": "bidirectional",
"description": "General-purpose I/O PA09 that also carries EIC EXTINT[9], ADC0/AIN[9], ADC1/AIN[3], SERCOM0/PAD[1], and SERCOM2/PAD[0]; it is a High Sink pin."
},
{
"number": "19",
"name": "PA10",
"type": "bidirectional",
"description": "General-purpose I/O PA10 that also carries EIC EXTINT[10], ADC0/AIN[10], SERCOM0/PAD[2], SERCOM2/PAD[2], and TCC0/TCC1 waveform outputs."
},
{
"number": "20",
"name": "PA11",
"type": "bidirectional",
"description": "General-purpose I/O PA11 that also carries EIC EXTINT[11], ADC0/AIN[11], SERCOM0/PAD[3], SERCOM2/PAD[3], and TCC0/TCC1 waveform outputs."
},
{
"number": "21",
"name": "VDDIOB",
"type": "power_in",
"description": "I/O supply for the group of pins powered from VDDIOB, including PA08 and PA09 for SERCOM I2C."
},
{
"number": "22",
"name": "GND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "23",
"name": "PB10",
"type": "bidirectional",
"description": "General-purpose I/O PB10 that also carries EIC EXTINT[10], SERCOM4/PAD[2], TC5/WO[0], QSPI SCK, SDHC0 DAT[3], and I2S SDI."
},
{
"number": "24",
"name": "PB11",
"type": "bidirectional",
"description": "General-purpose I/O PB11 that also carries EIC EXTINT[11], SERCOM4/PAD[3], TC5/WO[1], QSPI CS, and SDHC0 CK."
},
{
"number": "25",
"name": "PB12",
"type": "bidirectional",
"description": "General-purpose I/O PB12 that also carries EIC EXTINT[12], PTC X26/Y26, SERCOM4/PAD[0], TC4/WO[0], CAN1 TX, and SDHC0 CD."
},
{
"number": "26",
"name": "PB13",
"type": "bidirectional",
"description": "General-purpose I/O PB13 that also carries EIC EXTINT[13], PTC X27/Y27, SERCOM4/PAD[1], TC4/WO[1], CAN1 RX, and SDHC0 WP."
},
{
"number": "27",
"name": "PB14",
"type": "bidirectional",
"description": "General-purpose I/O PB14 that also carries EIC EXTINT[14], PTC X28/Y28, SERCOM4/PAD[2], TC5/WO[0], and CAN1 TX."
},
{
"number": "28",
"name": "PB15",
"type": "bidirectional",
"description": "General-purpose I/O PB15 that also carries EIC EXTINT[15], PTC X29/Y29, SERCOM4/PAD[3], TC5/WO[1], and CAN1 RX."
},
{
"number": "29",
"name": "PA12",
"type": "bidirectional",
"description": "General-purpose I/O PA12 that is a High Sink pin and carries EIC EXTINT[12] and the SERCOM2/SERCOM4 and TCC/CAN/SDHC peripheral functions listed in Table 6-1."
},
{
"number": "30",
"name": "PA13",
"type": "bidirectional",
"description": "General-purpose I/O PA13 that is a High Sink pin and carries EIC EXTINT[13] and the SERCOM2/SERCOM4 and TCC/CAN/SDHC peripheral functions listed in Table 6-1."
},
{
"number": "31",
"name": "PA14",
"type": "bidirectional",
"description": "General-purpose I/O PA14 that also serves as XIN for the XOSC0 crystal oscillator."
},
{
"number": "32",
"name": "PA15",
"type": "bidirectional",
"description": "General-purpose I/O PA15 that also serves as XOUT for the XOSC0 crystal oscillator."
},
{
"number": "33",
"name": "GND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "34",
"name": "VDDIO",
"type": "power_in",
"description": "I/O supply for the pin cluster that includes PA16 through PA25 and the PB10 to PB15 group."
},
{
"number": "35",
"name": "PA16",
"type": "bidirectional",
"description": "General-purpose I/O PA16 that is a High Sink pin, carries EIC EXTINT[0], SERCOM1/SERCOM3 functions, and GRXDV on the 64-pin package."
},
{
"number": "36",
"name": "PA17",
"type": "bidirectional",
"description": "General-purpose I/O PA17 that is a High Sink pin and carries EIC EXTINT[1] and SERCOM1/SERCOM3 functions."
},
{
"number": "37",
"name": "PA18",
"type": "bidirectional",
"description": "General-purpose I/O PA18 that carries EIC EXTINT[2] and SERCOM1/SERCOM3 functions."
},
{
"number": "38",
"name": "PA19",
"type": "bidirectional",
"description": "General-purpose I/O PA19 that carries EIC EXTINT[3] and SERCOM1/SERCOM3 functions."
},
{
"number": "39",
"name": "PB16",
"type": "bidirectional",
"description": "General-purpose I/O PB16 that carries EIC EXTINT[0] and the PCC/GMAC/SDHC1 and TCC peripheral functions listed in Table 6-1."
},
{
"number": "40",
"name": "PB17",
"type": "bidirectional",
"description": "General-purpose I/O PB17 that carries EIC EXTINT[1] and the PCC/GMAC/SDHC1 and TCC peripheral functions listed in Table 6-1."
},
{
"number": "41",
"name": "PA20",
"type": "bidirectional",
"description": "General-purpose I/O PA20 that carries EIC EXTINT[4], PTC X14/Y14, SERCOM5/SERCOM3 functions, and SDHC1 CMD."
},
{
"number": "42",
"name": "PA21",
"type": "bidirectional",
"description": "General-purpose I/O PA21 that carries EIC EXTINT[5], PTC X15/Y15, SERCOM5/SERCOM3 functions, and SDHC1 CK."
},
{
"number": "43",
"name": "PA22",
"type": "bidirectional",
"description": "General-purpose I/O PA22 that is a High Sink pin and carries EIC EXTINT[6], PTC X16/Y16, SERCOM3/SERCOM5 functions, and CAN0 TX."
},
{
"number": "44",
"name": "PA23",
"type": "bidirectional",
"description": "General-purpose I/O PA23 that is a High Sink pin and carries EIC EXTINT[7], PTC X17/Y17, SERCOM3/SERCOM5 functions, and CAN0 RX."
},
{
"number": "45",
"name": "PA24",
"type": "bidirectional",
"description": "General-purpose I/O PA24 that carries EIC EXTINT[8], SERCOM3/SERCOM5 functions, PDEC PDEC[0], and the USB DM data line."
},
{
"number": "46",
"name": "PA25",
"type": "bidirectional",
"description": "General-purpose I/O PA25 that carries EIC EXTINT[9], SERCOM3/SERCOM5 functions, PDEC PDEC[1], and the USB DP data line."
},
{
"number": "47",
"name": "GND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "48",
"name": "VDDIO",
"type": "power_in",
"description": "I/O supply for the pin cluster that includes PB22, PB23, PA27, and the PA20 to PA25 group."
},
{
"number": "49",
"name": "PB22",
"type": "bidirectional",
"description": "General-purpose I/O PB22 that also serves as XIN for the XOSC1 crystal oscillator."
},
{
"number": "50",
"name": "PB23",
"type": "bidirectional",
"description": "General-purpose I/O PB23 that also serves as XOUT for the XOSC1 crystal oscillator."
},
{
"number": "51",
"name": "PA27",
"type": "bidirectional",
"description": "General-purpose I/O PA27 that carries EIC EXTINT[11] and GCLK_IO[1]."
},
{
"number": "52",
"name": "RESETN",
"type": "input",
"description": "Active-low external reset input for the device."
},
{
"number": "53",
"name": "VDDCORE",
"type": "power_in",
"description": "Core supply pin for the device, connected to the internal regulator output or an external core supply."
},
{
"number": "54",
"name": "GND",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "55",
"name": "VSW",
"type": "power_out",
"description": "Switching node of the embedded buck regulator, which connects to the external inductor."
},
{
"number": "56",
"name": "VDDIO",
"type": "power_in",
"description": "I/O supply for the pin cluster that includes PA30 and PA31 and the PB30 to PB31 group."
},
{
"number": "57",
"name": "PA30",
"type": "bidirectional",
"description": "General-purpose I/O PA30 that carries EIC EXTINT[14], SWCLK for the SWD debug interface, and TC6/TCC2 and SERCOM1/SERCOM7 functions."
},
{
"number": "58",
"name": "PA31",
"type": "bidirectional",
"description": "General-purpose I/O PA31 that carries EIC EXTINT[15], SWDIO for the SWD debug interface, and TC6/TCC2 and SERCOM1/SERCOM7 functions."
},
{
"number": "59",
"name": "PB30",
"type": "bidirectional",
"description": "General-purpose I/O PB30 that carries EIC EXTINT[14], SERCOM7/SERCOM5 functions, TC0/TCC0 waveform outputs, and the SWO trace output in debug modes other than single-wire."
},
{
"number": "60",
"name": "PB31",
"type": "bidirectional",
"description": "General-purpose I/O PB31 that carries EIC EXTINT[15], SERCOM7/SERCOM5 functions, and TC0/TCC4/TCC0 waveform outputs."
},
{
"number": "61",
"name": "PB00",
"type": "bidirectional",
"description": "General-purpose I/O PB00 that carries EIC EXTINT[0], ADC0/AIN[12], PTC X30/Y30, SERCOM5/PAD[2], TC7/WO[0], and CCL IN[1]; it is in the XOSC32K jitter-minimization steady-signal group for 64-pin packages."
},
{
"number": "62",
"name": "PB01",
"type": "bidirectional",
"description": "General-purpose I/O PB01 that carries EIC EXTINT[1], ADC0/AIN[13], PTC X31/Y31, SERCOM5/PAD[3], TC7/WO[1], and CCL IN[2]; it is also the SUPC OUT0 and RTC OUT output."
},
{
"number": "63",
"name": "PB02",
"type": "bidirectional",
"description": "General-purpose I/O PB02 that carries EIC EXTINT[2], ADC0/AIN[14], PTC X20/Y20, SERCOM5/PAD[0], TC6/WO[0], TCC2/WO[2], and CCL OUT[0]; it is also the SUPC OUT1 and RTC IN1 input."
},
{
"number": "64",
"name": "PB03",
"type": "bidirectional",
"description": "General-purpose I/O PB03 that carries EIC 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-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Pinout taken from the 64-Pin TQFP and VQFN figure (page 23). The 64-pin TQFP shares this pinout with; Pin descriptions for GPIO pins summarize the multiplexed peripheral functions in Table 6-1 (pages 32; Pin type for VSW (buck regulator switching node) is set to power_out and VDDCORE to power_in, as the"
],
"pages_sent": 107,
"cost_usd": 0.1714,
"at": "2026-10-28T16:07:34"
},
"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": 64,
"described": 64,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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12.0,
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"footprint_binding": "identity",
"sha256": "60567e81b0770b6c519104183a7a05ba52dddc11146b5fbe21434fbb5801696c",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atsame53j20a-au-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
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"footprint_binding": "identity",
"sha256": "969bad91366c99c5a2299fea7dce20b54fb9da03c15539879073549c004994a9",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}