ATSAML22J18A-AUT

{
  "schema_version": 1,
  "type": "component",
  "slug": "atsaml22j18a-aut",
  "title": "ATSAML22J18A-AUT",
  "brief": "Microchip Tech Microcontrollers (MCU/MPU/SOC), TQFP-64(10x10). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "atsaml22j18a-aut"
  ],
  "component": {
    "mpn": "ATSAML22J18A-AUT",
    "manufacturer": "Microchip Tech",
    "package": "TQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588949435326083072",
    "parts": {
      "symbol": "atsaml22j18a-aut.kicad_sym",
      "footprint": "atsaml22j18a-aut.kicad_mod",
      "model_3d": "atsaml22j18a-aut-etched.glb",
      "model_3d_plain": "atsaml22j18a-aut.glb",
      "model_3d_step": "atsaml22j18a-aut-etched.step",
      "model_3d_step_plain": "atsaml22j18a-aut.step",
      "lbr": "atsaml22j18a-aut.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "PA00",
        "type": "bidirectional",
        "description": "Port A bit 0. Battery-backup domain. Muxed: EIC/EXTINT[0], SERCOM1/PAD[0], XIN32 (32.768 kHz crystal input for XOSC32K)."
      },
      {
        "number": "2",
        "name": "PA01",
        "type": "bidirectional",
        "description": "Port A bit 1. Battery-backup domain. Muxed: EIC/EXTINT[1], SERCOM1/PAD[1], XOUT32 (32.768 kHz crystal output)."
      },
      {
        "number": "3",
        "name": "PA02",
        "type": "bidirectional",
        "description": "Port A bit 2. Muxed: EIC/EXTINT[2], ADC/VREFB, ADC/AIN[0], AC/AIN[0], PTC/XY[8], RTC/IN[2]. Analog function selected via peripheral function B."
      },
      {
        "number": "4",
        "name": "PA03",
        "type": "bidirectional",
        "description": "Port A bit 3. Muxed: EIC/EXTINT[3], ADC/VREFA, ADC/AIN[1], AC/AIN[1], PTC/XY[9]."
      },
      {
        "number": "5",
        "name": "PB04",
        "type": "bidirectional",
        "description": "Port B bit 4. Muxed: EIC/EXTINT[4], ADC/AIN[12], AC/AIN[2], PTC/XY[10]."
      },
      {
        "number": "6",
        "name": "PB05",
        "type": "bidirectional",
        "description": "Port B bit 5. Muxed: EIC/EXTINT[5], ADC/AIN[13], AC/AIN[3], PTC/XY[11]."
      },
      {
        "number": "7",
        "name": "GNDANA",
        "type": "power_in",
        "description": "Analog ground for VDDANA domain (ADC, AC, LCD, PTC). Return path for the analog supply."
      },
      {
        "number": "8",
        "name": "VDDANA",
        "type": "power_in",
        "description": "Analog supply, 1.62V-3.63V. Powers ADC, AC, LCD, PTC and associated I/O cluster. Must have same supply sequence as VDDIO."
      },
      {
        "number": "9",
        "name": "PB06",
        "type": "bidirectional",
        "description": "Port B bit 6. Muxed: EIC/EXTINT[6], ADC/AIN[14], PTC/XY[12], SLCD/LP[0], CCL/IN[6]."
      },
      {
        "number": "10",
        "name": "PB07",
        "type": "bidirectional",
        "description": "Port B bit 7. Muxed: EIC/EXTINT[7], ADC/AIN[15], PTC/XY[13], SLCD/LP[1], CCL/IN[7]."
      },
      {
        "number": "11",
        "name": "PB08",
        "type": "bidirectional",
        "description": "Port B bit 8. Muxed: EIC/EXTINT[8], ADC/AIN[2], PTC/XY[14], SLCD/LP[2], SERCOM3/PAD[0], TC/0/WO[0], CCL/IN[8]."
      },
      {
        "number": "12",
        "name": "PB09",
        "type": "bidirectional",
        "description": "Port B bit 9. Muxed: EIC/EXTINT[9], ADC/AIN[3], PTC/XY[15], SLCD/LP[3], SERCOM3/PAD[1], TC/0/WO[1], CCL/OUT[2]."
      },
      {
        "number": "13",
        "name": "PA04",
        "type": "bidirectional",
        "description": "Port A bit 4. Muxed: EIC/EXTINT[4], ADC/AIN[4], PTC/X[24], SLCD/LP[4], SERCOM0/PAD[0], TCC/WO[0], CCL/IN[0]."
      },
      {
        "number": "14",
        "name": "PA05",
        "type": "bidirectional",
        "description": "Port A bit 5. Muxed: EIC/EXTINT[5], ADC/AIN[5], PTC/X[25], SLCD/LP[5], SERCOM0/PAD[1], TCC/WO[1], CCL/IN[1]."
      },
      {
        "number": "15",
        "name": "PA06",
        "type": "bidirectional",
        "description": "Port A bit 6. Muxed: EIC/EXTINT[6], ADC/AIN[6], PTC/X[26], SLCD/LP[6], SERCOM0/PAD[2], CCL/IN[2]."
      },
      {
        "number": "16",
        "name": "PA07",
        "type": "bidirectional",
        "description": "Port A bit 7. Muxed: EIC/EXTINT[7], ADC/AIN[7], PTC/X[27], SLCD/LP[7], SERCOM0/PAD[3], CCL/OUT[0]."
      },
      {
        "number": "17",
        "name": "PA08",
        "type": "bidirectional",
        "description": "Port A bit 8. Muxed: EIC/NMI, PTC/XY[3], SLCD/LP[11], SERCOM0/PAD[0], SERCOM4/PAD[0], TCC/WO[0], CCL/IN[3]."
      },
      {
        "number": "18",
        "name": "PA09",
        "type": "bidirectional",
        "description": "Port A bit 9. Muxed: EIC/EXTINT[9], PTC/XY[2], SLCD/LP[12], SERCOM0/PAD[1], SERCOM4/PAD[1], TCC/WO[1], CCL/IN[4]."
      },
      {
        "number": "19",
        "name": "PA10",
        "type": "bidirectional",
        "description": "Port A bit 10. Muxed: EIC/EXTINT[10], PTC/XY[1], SLCD/LP[13], SERCOM0/PAD[2], SERCOM4/PAD[2], TCC/WO[2], GCLK/IO[4], CCL/IN[5]."
      },
      {
        "number": "20",
        "name": "PA11",
        "type": "bidirectional",
        "description": "Port A bit 11. Muxed: EIC/EXTINT[11], PTC/XY[0], SLCD/LP[14], SERCOM0/PAD[3], SERCOM4/PAD[3], TCC/WO[3], CCL/OUT[1]."
      },
      {
        "number": "21",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O supply, 1.62V-3.63V. Powers I/O lines, OSC16M, XOSC, internal regulator for VDDCORE. Must equal VDDANA."
      },
      {
        "number": "22",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground (common with VDDCORE, VDDIO)."
      },
      {
        "number": "23",
        "name": "VLCD",
        "type": "passive",
        "description": "Segment LCD bias voltage. Connect external decoupling; can be generated by internal LCD charge pump above VDDIO."
      },
      {
        "number": "24",
        "name": "PB11",
        "type": "bidirectional",
        "description": "Port B bit 11. Muxed: EIC/EXTINT[11], SLCD/LP[21], SERCOM3/PAD[3], TC/1/WO[1], TCC/WO[5], CCL/OUT[1]. Full Fm+ I2C capable (limited currents for Sm, Fm)."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "Port B bit 12. Muxed: EIC/EXTINT[12], SLCD/LP[22], SERCOM3/PAD[0], TC/0/WO[0], TCC/WO[6]."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "Port B bit 13. Muxed: EIC/EXTINT[13], SLCD/LP[23], SERCOM3/PAD[1], TC/0/WO[1], TCC/WO[7]."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Port B bit 14. Muxed: EIC/EXTINT[14], SLCD/LP[24], SERCOM3/PAD[2], TC/1/WO[0], GCLK/IO[0], CCL/IN[9]."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Port B bit 15. Muxed: EIC/EXTINT[15], SLCD/LP[25], SERCOM3/PAD[3], TC/1/WO[1], GCLK/IO[1], CCL/IN[10]."
      },
      {
        "number": "29",
        "name": "PA12",
        "type": "bidirectional",
        "description": "Port A bit 12. High-Sink pin. Muxed: EIC/EXTINT[12], SLCD/LP[28], SERCOM4/PAD[0], SERCOM3/PAD[0], TCC/WO[6], AC/CMP[0]. I2C Sm/Fm/Fm+ capable."
      },
      {
        "number": "30",
        "name": "PA13",
        "type": "bidirectional",
        "description": "Port A bit 13. High-Sink pin. Muxed: EIC/EXTINT[13], SLCD/LP[29], SERCOM4/PAD[1], SERCOM3/PAD[1], TCC/WO[7], AC/CMP[1]."
      },
      {
        "number": "31",
        "name": "PA14",
        "type": "bidirectional",
        "description": "Port A bit 14. Muxed: EIC/EXTINT[14], SLCD/LP[30], SERCOM4/PAD[2], SERCOM3/PAD[2], TCC/WO[4], GCLK/IO[0]."
      },
      {
        "number": "32",
        "name": "PA15",
        "type": "bidirectional",
        "description": "Port A bit 15. Muxed: EIC/EXTINT[15], SLCD/LP[31], SERCOM4/PAD[3], SERCOM3/PAD[3], TCC/WO[5], GCLK/IO[1]."
      },
      {
        "number": "33",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "34",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O supply, 1.62V-3.63V."
      },
      {
        "number": "35",
        "name": "PA16",
        "type": "bidirectional",
        "description": "Port A bit 16. Muxed: EIC/EXTINT[0], PTC/X[28], SLCD/LP[32], SERCOM1/PAD[0], SERCOM2/PAD[0], TCC/WO[6], GCLK/IO[2], CCL/IN[0]."
      },
      {
        "number": "36",
        "name": "PA17",
        "type": "bidirectional",
        "description": "Port A bit 17. Muxed: EIC/EXTINT[1], PTC/X[29], SLCD/LP[33], SERCOM1/PAD[1], SERCOM2/PAD[1], TCC/WO[7], GCLK/IO[3], CCL/IN[1]."
      },
      {
        "number": "37",
        "name": "PA18",
        "type": "bidirectional",
        "description": "Port A bit 18. Muxed: EIC/EXTINT[2], PTC/X[30], SLCD/LP[34], SERCOM1/PAD[2], SERCOM2/PAD[2], TCC/WO[2], AC/CMP[0], CCL/IN[2]."
      },
      {
        "number": "38",
        "name": "PA19",
        "type": "bidirectional",
        "description": "Port A bit 19. Muxed: EIC/EXTINT[3], PTC/X[31], SLCD/LP[35], SERCOM1/PAD[3], SERCOM2/PAD[3], TCC/WO[3], AC/CMP[1], CCL/OUT[0]."
      },
      {
        "number": "39",
        "name": "PB16",
        "type": "bidirectional",
        "description": "Port B bit 16. Muxed: EIC/EXTINT[0], SLCD/LP[42], SERCOM5/PAD[0], TC/2/WO[0], TCC/WO[4], GCLK/IO[2], CCL/IN[11]. Note: SERCOM5 not present on L22J."
      },
      {
        "number": "40",
        "name": "PB17",
        "type": "bidirectional",
        "description": "Port B bit 17. Muxed: EIC/EXTINT[1], SLCD/LP[43], SERCOM5/PAD[1], TC/2/WO[1], TCC/WO[5], GCLK/IO[3], CCL/OUT[3]."
      },
      {
        "number": "41",
        "name": "PA20",
        "type": "bidirectional",
        "description": "Port A bit 20. Muxed: EIC/EXTINT[4], PTC/XY[16], SLCD/LP[48], SERCOM0/PAD[0], SERCOM2/PAD[2], TC/3/WO[0], TCC/WO[6], GCLK/IO[4]."
      },
      {
        "number": "42",
        "name": "PA21",
        "type": "bidirectional",
        "description": "Port A bit 21. Muxed: EIC/EXTINT[5], PTC/XY[17], SLCD/LP[49], SERCOM0/PAD[1], SERCOM2/PAD[3], TC/3/WO[1], TCC/WO[7]."
      },
      {
        "number": "43",
        "name": "PA22",
        "type": "bidirectional",
        "description": "Port A bit 22. High-Sink pin. Muxed: EIC/EXTINT[6], PTC/XY[18], SLCD/LP[50], SERCOM0/PAD[2], SERCOM2/PAD[0], TC/0/WO[0], TCC/WO[4], CCL/IN[6]. I2C Sm/Fm/Fm+ capable."
      },
      {
        "number": "44",
        "name": "PA23",
        "type": "bidirectional",
        "description": "Port A bit 23. High-Sink pin. Muxed: EIC/EXTINT[7], PTC/XY[19], SLCD/LP[51], SERCOM0/PAD[3], SERCOM2/PAD[1], TC/0/WO[1], TCC/WO[5], USB/SOF_1KHZ, CCL/IN[7]."
      },
      {
        "number": "45",
        "name": "PA24",
        "type": "bidirectional",
        "description": "Port A bit 24 / USB D-. Muxed: EIC/EXTINT[12], SERCOM2/PAD[2], SERCOM5/PAD[0], TC/1/WO[0], TCC/WO[0], USB/DM, CCL/IN[8]. USB D- when USB peripheral enabled."
      },
      {
        "number": "46",
        "name": "PA25",
        "type": "bidirectional",
        "description": "Port A bit 25 / USB D+. Muxed: EIC/EXTINT[13], SERCOM2/PAD[3], SERCOM5/PAD[1], TC/1/WO[1], TCC/WO[1], USB/DP, CCL/OUT[2]."
      },
      {
        "number": "47",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "48",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O supply, 1.62V-3.63V."
      },
      {
        "number": "49",
        "name": "PB22",
        "type": "bidirectional",
        "description": "Port B bit 22 / XIN (0.4-32 MHz crystal input for XOSC). High-Sink pin. Muxed: EIC/EXTINT[6], SERCOM0/PAD[2], TC/3/WO[0], TCC/WO[2], USB/SOF_1KHZ, GCLK/IO[0], CCL/IN[0]."
      },
      {
        "number": "50",
        "name": "PB23",
        "type": "bidirectional",
        "description": "Port B bit 23 / XOUT. High-Sink pin. Muxed: EIC/EXTINT[7], SERCOM0/PAD[3], TC/3/WO[1], TCC/WO[3], GCLK/IO[1], CCL/OUT[0]."
      },
      {
        "number": "51",
        "name": "PA27",
        "type": "bidirectional",
        "description": "Port A bit 27. High-Sink pin. Muxed: EIC/EXTINT[15], PTC/XY[21], TCC/WO[5], GCLK/IO[0]. Recommended pin for GCLK I/O."
      },
      {
        "number": "52",
        "name": "RESET",
        "type": "input",
        "description": "Active-low reset input (RESET_N). Internal pull-up; drive low to reset the device."
      },
      {
        "number": "53",
        "name": "VDDCORE",
        "type": "power_out",
        "description": "Internal voltage regulator output for core, memories, peripherals, DFLL48M and FDPLL96M. Requires external decoupling; do not drive externally."
      },
      {
        "number": "54",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "55",
        "name": "VDDOUT",
        "type": "power_out",
        "description": "Buck/LDO regulator output pin. Connect external inductor (switching mode) or bypass capacitor (linear mode) per typical powering schematic in Section 7.2.3."
      },
      {
        "number": "56",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Digital I/O supply, 1.62V-3.63V."
      },
      {
        "number": "57",
        "name": "PA30",
        "type": "bidirectional",
        "description": "Port A bit 30 / SWCLK. High-Sink pin. Muxed: EIC/EXTINT[10], PTC/XY[22], SERCOM1/PAD[2], CORTEX_M0P/SWCLK, GCLK/IO[0], CCL/IN[3]. SWCLK is default after reset."
      },
      {
        "number": "58",
        "name": "PA31",
        "type": "bidirectional",
        "description": "Port A bit 31 / SWDIO. High-Sink pin. Muxed: EIC/EXTINT[11], PTC/XY[23], SERCOM1/PAD[3], SWDIO, CCL/OUT[1]. Debugger cold/hot-plug auto-switches this pad to SWDIO."
      },
      {
        "number": "59",
        "name": "PB30",
        "type": "bidirectional",
        "description": "Port B bit 30. High-Sink pin. Muxed: EIC/EXTINT[14], SERCOM1/PAD[0], SERCOM5/PAD[0], TCC/WO[0]. I2C Sm/Fm/Fm+/Hs capable."
      },
      {
        "number": "60",
        "name": "PB31",
        "type": "bidirectional",
        "description": "Port B bit 31. High-Sink pin. Muxed: EIC/EXTINT[15], SERCOM1/PAD[1], SERCOM5/PAD[1], TCC/WO[1]. I2C Sm/Fm/Fm+/Hs capable."
      },
      {
        "number": "61",
        "name": "PB00",
        "type": "bidirectional",
        "description": "Port B bit 0. Battery-backup domain. Muxed: EIC/EXTINT[0], ADC/AIN[8], SERCOM3/PAD[2], SERCOM5/PAD[2], TC/3/WO[0], RTC/IN[0], CCL/IN[1]."
      },
      {
        "number": "62",
        "name": "PB01",
        "type": "bidirectional",
        "description": "Port B bit 1. Battery-backup domain. Muxed: EIC/EXTINT[1], ADC/AIN[9], SERCOM3/PAD[3], SERCOM5/PAD[3], TC/3/WO[1], RTC/IN[2], RTC/OUT, CCL/IN[2]."
      },
      {
        "number": "63",
        "name": "PB02",
        "type": "bidirectional",
        "description": "Port B bit 2. Battery-backup domain. Muxed: EIC/EXTINT[2], ADC/AIN[10], SERCOM3/PAD[0], SERCOM5/PAD[0], TC/2/WO[0], RTC/IN[1], CCL/OUT[0]."
      },
      {
        "number": "64",
        "name": "PB03",
        "type": "bidirectional",
        "description": "Port B bit 3 / VBAT. Battery-backup domain. Muxed: EIC/EXTINT[3], ADC/AIN[11], SERCOM3/PAD[1], SERCOM5/PAD[1], TC/2/WO[1]. Connects external battery supply for backup domain when used as VBAT."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588949435326083072",
        "pages": 1093,
        "sha256": "7237169119498e47",
        "source_tier": "lcsc"
      },
      "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": [
      {
        "file": "atsaml22j18a-aut.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "60567e81b0770b6c519104183a7a05ba52dddc11146b5fbe21434fbb5801696c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atsaml22j18a-aut-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9072e0152a9be5da5283c237ee9ee3f209ff9dd90711f56e95c1b4119c80e3f4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    }
  },
  "variants": [
    {
      "mpn": "ATSAML22J18A-AUT",
      "kind": "packaging"
    },
    {
      "mpn": "ATSAML22J17A-AUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22J16A-AUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22J18A-MUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22J17A-MUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22J16A-MUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22G18A-AUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22G17A-AUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22G16A-AUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22G18A-MUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22G17A-MUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22G16A-MUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22G18A-UUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22G17A-UUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22N18A-AUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22N17A-AUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22N16A-AUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22N18A-CFUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22N17A-CFUT",
      "kind": "unknown"
    },
    {
      "mpn": "ATSAML22N16A-CFUT",
      "kind": "unknown"
    }
  ],
  "sections": [
    "hero",
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