ATSAME70J21B-AN

{
  "slug": "atsame70j21b-an",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Pre-ordered MCUs, LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "atsame70j21b-an",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "atsame70j21b-an.kicad_mod",
    "atsame70j21b-an.glb",
    "atsame70j21b-an.step",
    "atsame70j21b-an.lbr",
    "docs/hero.png",
    "docs/atsame70j21b-an-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "atsame70j21b-an-hero.overlay.json",
    "atsame70j21b-an-etched.glb"
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  "component": {
    "mpn": "ATSAME70J21B-AN",
    "manufacturer": "Microchip Tech",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ae8bad555c24b2ade4f4f9b466599a10.pdf",
    "parts": {
      "symbol": "atsame70j21b-an.kicad_sym",
      "footprint": "atsame70j21b-an.kicad_mod",
      "model_3d": "atsame70j21b-an-hero.glb",
      "model_3d_plain": "atsame70j21b-an-etched.glb",
      "model_3d_step": "atsame70j21b-an-etched.step",
      "model_3d_step_plain": "atsame70j21b-an.step",
      "lbr": "atsame70j21b-an.lbr"
    },
    "distributor_links": {
      "lcsc": "C1338789",
      "digikey": "ATSAME70J21B-AN-ND",
      "mouser": "556-ATSAME70J21B-AN"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:01:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATSAME70J21B-AN-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-ATSAME70J21B-AN",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PD0",
        "type": "bidirectional",
        "description": "PIO line PD0 also carries DAC1 (selected when DACC_CHER.CH1 is set), GTXCK, PWMC1_PWML0 and DCD0; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "2",
        "name": "PD31",
        "type": "bidirectional",
        "description": "PIO line PD31 also carries QIO3, UTXD3, PCK2 and ISI_D11; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "3",
        "name": "VDDOUT",
        "type": "power_out",
        "description": "Voltage regulator output; the schematic checklist recommends 100 nF + 1 µF decoupling."
      },
      {
        "number": "4",
        "name": "VDDIN",
        "type": "power_in",
        "description": "Voltage regulator input that also supplies the ADC, DAC and analog comparator; VDDIN and VDDIO must have the same level and be higher than or equal to VDDCORE."
      },
      {
        "number": "5",
        "name": "VREFP",
        "type": "power_in",
        "description": "AFE and DAC voltage reference input (VDDIO rail); it must rise simultaneously with VDDIO and VDDIN to prevent overcurrent at powerup."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the core, voltage regulator and peripheral I/O; connect as shortly as possible to the system ground plane."
      },
      {
        "number": "7",
        "name": "PB1",
        "type": "bidirectional",
        "description": "PIO line PB1 also carries AFE1_AD0/RTCOUT1 (analog input has priority over RTCOUT1), PWMC0_PWMH1, GTSUCOMP, TXD0 and TK; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "8",
        "name": "PB0",
        "type": "bidirectional",
        "description": "PIO line PB0 also carries AFE0_AD10/RTCOUT0 (analog input has priority over RTCOUT0), PWMC0_PWMH0, RXD0 and TF; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "9",
        "name": "PB2",
        "type": "bidirectional",
        "description": "PIO line PB2 also carries AFE0_AD5 (analog input), CANTX0, CTS0 and SPI0_NPCS0; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "10",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Supplies the peripheral I/O lines, backup part, 1 Kbyte backup SRAM, 32 kHz crystal oscillator and oscillator pads; for USB operation VDDIO must be between 3.0 V and 3.6 V."
      },
      {
        "number": "11",
        "name": "PB3",
        "type": "bidirectional",
        "description": "PIO line PB3 also carries AFE0_AD2/WKUP12 (analog input has priority over WKUP12), CANRX0, PCK2, RTS0 and ISI_D2; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "12",
        "name": "PA21",
        "type": "bidirectional",
        "description": "PIO line PA21 also carries AFE0_AD1/PIODCEN2 (analog input has priority over WKUP), RXD1, PCK1 and PWMC1_PWMFI0; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "13",
        "name": "VDDCORE",
        "type": "power_in",
        "description": "Supplies the core, embedded memories and peripherals; VDDIN and VDDIO must always be higher than or equal to VDDCORE."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the core, voltage regulator and peripheral I/O; connect as shortly as possible to the system ground plane."
      },
      {
        "number": "15",
        "name": "PA7",
        "type": "bidirectional",
        "description": "PIO line PA7 is used as the 32.768 kHz crystal oscillator input XIN32 (also PWMC0_PWMH3); it resets as PIO with high impedance."
      },
      {
        "number": "16",
        "name": "PA8",
        "type": "bidirectional",
        "description": "PIO line PA8 is used as the 32.768 kHz crystal oscillator output XOUT32 (also PWMC1_PWMH3 and AFE0_ADTRG); it resets as PIO with high impedance."
      },
      {
        "number": "17",
        "name": "PA22",
        "type": "bidirectional",
        "description": "PIO line PA22 carries the parallel capture clock PIODCCLK, RK and PWMC0_PWMEXTRG1; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "18",
        "name": "PA13",
        "type": "bidirectional",
        "description": "PIO line PA13 also carries PIODC7, QIO0, PWMC0_PWMH2 and PWMC1_PWML1; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "19",
        "name": "PA14",
        "type": "bidirectional",
        "description": "PIO line PA14 also carries WKUP8/PIODCEN1, QSCK, PWMC0_PWMH3 and PWMC1_PWMH1; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "20",
        "name": "PD25",
        "type": "bidirectional",
        "description": "PIO line PD25 also carries PWMC0_PWML1, SPI0_NPCS1, URXD2 and ISI_VSYNC; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "21",
        "name": "PD26",
        "type": "bidirectional",
        "description": "PIO line PD26 also carries PWMC0_PWML2, TD, UTXD2 and UTXD1; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "22",
        "name": "PD24",
        "type": "bidirectional",
        "description": "PIO line PD24 also carries PWMC0_PWML0, RF, TCLK11 and ISI_HSYNC; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "23",
        "name": "PA24",
        "type": "bidirectional",
        "description": "PIO line PA24 also carries RTS1, PWMC0_PWMH1, A20 and ISI_PCK; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "24",
        "name": "VDDCORE",
        "type": "power_in",
        "description": "Supplies the core, embedded memories and peripherals; VDDIN and VDDIO must always be higher than or equal to VDDCORE."
      },
      {
        "number": "25",
        "name": "PD22",
        "type": "bidirectional",
        "description": "PIO line PD22 also carries PWMC0_PWMH2, SPI0_SPCK, TIOB11 and ISI_D0; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "26",
        "name": "PD21",
        "type": "bidirectional",
        "description": "PIO line PD21 also carries PWMC0_PWMH1, SPI0_MOSI, TIOA11 and ISI_D1; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "27",
        "name": "PA11",
        "type": "bidirectional",
        "description": "PIO line PA11 also carries WKUP7/PIODC5, QCS, PWMC0_PWMH0 and PWMC1_PWML0; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "28",
        "name": "PA10",
        "type": "bidirectional",
        "description": "PIO line PA10 also carries PIODC4, UTXD0, PWMC0_PWMEXTRG0 and RD; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "29",
        "name": "PA12",
        "type": "bidirectional",
        "description": "PIO line PA12 also carries PIODC6, QIO1, PWMC0_PWMH1 and PWMC1_PWMH0; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "30",
        "name": "PA27",
        "type": "bidirectional",
        "description": "PIO line PA27 also carries DTR1, TIOB2 and ISI_D7; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "31",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the core, voltage regulator and peripheral I/O; connect as shortly as possible to the system ground plane."
      },
      {
        "number": "32",
        "name": "PA5",
        "type": "bidirectional",
        "description": "PIO line PA5 also carries WKUP4/PIODC2, PWMC1_PWML3, ISI_D4 and URXD1; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "33",
        "name": "PA9",
        "type": "bidirectional",
        "description": "PIO line PA9 also carries WKUP6/PIODC3, URXD0, ISI_D3 and PWMC0_PWMFI0; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "34",
        "name": "PA4",
        "type": "bidirectional",
        "description": "PIO line PA4 also carries WKUP3/PIODC1, TWCK0, TCLK0 and UTXD1; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "35",
        "name": "PB6",
        "type": "bidirectional",
        "description": "PIO line PB6 is multiplexed with SWDIO/TMS (Serial Wire Debug / JTAG mode select); it resets as a PIO input with Schmitt trigger and no internal pull-up."
      },
      {
        "number": "36",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Microcontroller reset input/output, active low, with internal pull-up enabled at reset."
      },
      {
        "number": "37",
        "name": "TST",
        "type": "input",
        "description": "Test select input used for JTAG boundary scan or Fast Flash Programming; it has an internal ~15 kΩ pull-down to GND and can be left unconnected."
      },
      {
        "number": "38",
        "name": "PB12",
        "type": "bidirectional",
        "description": "PIO line PB12 is multiplexed with ERASE (low level at startup is mandatory when ERASE mode is not used) and also carries PWMC0_PWML1, GTSUCOMP and PCK0; it resets as a PIO input with pull-down and Schmitt trigger."
      },
      {
        "number": "39",
        "name": "PB7",
        "type": "bidirectional",
        "description": "PIO line PB7 is multiplexed with SWCLK/TCK (Serial Wire Clock / JTAG test clock); it resets as a PIO input with Schmitt trigger and no internal pull-up."
      },
      {
        "number": "40",
        "name": "PA3",
        "type": "bidirectional",
        "description": "PIO line PA3 also carries PIODC0, TWD0, LONCOL1 and PCK2; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "41",
        "name": "PD12",
        "type": "bidirectional",
        "description": "PIO line PD12 also carries GRX3 and ISI_D6; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "42",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Supplies the peripheral I/O lines, backup part, 1 Kbyte backup SRAM, 32 kHz crystal oscillator and oscillator pads; for USB operation VDDIO must be between 3.0 V and 3.6 V."
      },
      {
        "number": "43",
        "name": "PD11",
        "type": "bidirectional",
        "description": "PIO line PD11 also carries GRX2, PWMC0_PWMH0, GTSUCOMP and ISI_D5; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "44",
        "name": "PD10",
        "type": "bidirectional",
        "description": "PIO line PD10 also carries GCRS, PWMC0_PWML0, TD and MLBSIG; it resets as a PIO input with pull-down and Schmitt trigger enabled."
      },
      {
        "number": "45",
        "name": "JTAGSEL",
        "type": "input",
        "description": "JTAG selection input; a high level selects JTAG boundary scan, has an internal ~15 kΩ pull-down to GND, and a chip reset is required after it is changed."
      },
      {
        "number": "46",
        "name": "PB4",
        "type": "bidirectional",
        "description": "PIO line PB4 is multiplexed with TDI (JTAG boundary scan data input) and also carries TWD1, PWMC0_PWMH2, MLBCLK and TXD1; it resets as a PIO input with pull-down and Schmitt trigger."
      },
      {
        "number": "47",
        "name": "PB5",
        "type": "bidirectional",
        "description": "PIO line PB5 is multiplexed with TDO/TRACESWO (JTAG data out / trace output) and also carries TWCK1, PWMC0_PWML0 and MLBDAT; it resets as an output with pull-up."
      },
      {
        "number": "48",
        "name": "PD9",
        "type": "bidirectional",
        "description": "PIO line PD9 also carries GMDIO, PWMC0_PWMFI2 and AFE1_ADTRG; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "49",
        "name": "PD8",
        "type": "bidirectional",
        "description": "PIO line PD8 also carries GMDC, PWMC0_PWMFI1 and TRACECLK; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "50",
        "name": "PD7",
        "type": "bidirectional",
        "description": "PIO line PD7 also carries GRXER, PWMC1_PWMH3 and TRACED3; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "51",
        "name": "PD6",
        "type": "bidirectional",
        "description": "PIO line PD6 also carries GRX1, PWMC1_PWML3 and TRACED2; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "52",
        "name": "VDDPLL",
        "type": "power_in",
        "description": "Supplies PLLA and the fast RC oscillator; VDDCORE, VDDPLL and VDDUTMIC voltage levels must not vary by more than 0.6 V."
      },
      {
        "number": "53",
        "name": "PD5",
        "type": "bidirectional",
        "description": "PIO line PD5 also carries GRX0, PWMC1_PWMH2 and TRACED1; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "54",
        "name": "PD4",
        "type": "bidirectional",
        "description": "PIO line PD4 also carries GRXDV, PWMC1_PWML2 and TRACED0; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "55",
        "name": "PD3",
        "type": "bidirectional",
        "description": "PIO line PD3 also carries GTX1, PWMC1_PWMH1, UTXD4 and RI0; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "56",
        "name": "PD2",
        "type": "bidirectional",
        "description": "PIO line PD2 also carries GTX0, PWMC1_PWML1 and DSR0; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "57",
        "name": "PD1",
        "type": "bidirectional",
        "description": "PIO line PD1 also carries GTXEN, PWMC1_PWMH0 and DTR0; it resets as a PIO input with pull-up and Schmitt trigger enabled."
      },
      {
        "number": "58",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Supplies the peripheral I/O lines, backup part, 1 Kbyte backup SRAM, 32 kHz crystal oscillator and oscillator pads; for USB operation VDDIO must be between 3.0 V and 3.6 V."
      },
      {
        "number": "59",
        "name": "DM",
        "type": "bidirectional",
        "description": "USB High-Speed data minus line of the USBHS interface (480 Mbps), powered from VDDUTMII which must be connected to VDDIO."
      },
      {
        "number": "60",
        "name": "DP",
        "type": "bidirectional",
        "description": "USB High-Speed data plus line of the USBHS interface (480 Mbps), powered from VDDUTMII which must be connected to VDDIO."
      },
      {
        "number": "61",
        "name": "VDDCORE",
        "type": "power_in",
        "description": "Supplies the core, embedded memories and peripherals; VDDIN and VDDIO must always be higher than or equal to VDDCORE."
      },
      {
        "number": "62",
        "name": "PB8",
        "type": "bidirectional",
        "description": "PIO line PB8 is used as main crystal oscillator output XOUT (3 to 20 MHz); it may be left unconnected in bypass mode and resets as PIO with high impedance."
      },
      {
        "number": "63",
        "name": "PB9",
        "type": "bidirectional",
        "description": "PIO line PB9 is used as main crystal oscillator input XIN (3 to 20 MHz); in bypass mode an external clock up to 20 MHz is applied and it resets as PIO with high impedance."
      },
      {
        "number": "64",
        "name": "VDDPLLUSB",
        "type": "power_in",
        "description": "Supplies the UTMI PLL and the 3 to 20 MHz oscillator; it is noise sensitive, and VDDPLLUSB, VDDUTMII, VDDIN and VDDIO must be at least 3.0 V for USB operation."
      }
    ],
    "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: MPN ATSAME70J21B-AN: the 'J' code means 64 pins and the 'A' package code means LQFP. The LQFP pin co; Text extraction of Table 6-3 garbled several 64-lead peripheral cells. Only the functions that were ; Pin 62 (PB8) and pin 63 (PB9) are the XOUT and XIN pins for the main crystal oscillator. Their Table"
        ],
        "pages_sent": 97,
        "cost_usd": 0.6258,
        "at": "2026-10-30T22:01:33"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ae8bad555c24b2ade4f4f9b466599a10.pdf",
        "pages": 1943,
        "sha256": "94ed9d6997caca1c",
        "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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        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "b8e0c1346e75523d041e58456ebf7440bd0fddf7cc5221a5d743da3f49870106",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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}