ATSAM4LC8CA-AU

{
  "schema_version": 1,
  "type": "component",
  "slug": "atsam4lc8ca-au",
  "title": "ATSAM4LC8CA-AU",
  "brief": "Microchip Tech Pre-ordered MCUs, TQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "atsam4lc8ca-au",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATSAM4LC8CA-AU",
    "manufacturer": "Microchip Tech",
    "package": "TQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f4aa8c26c4974cccd19335b9b256b2c8.pdf",
    "parts": {
      "symbol": "atsam4lc8ca-au.kicad_sym",
      "footprint": "atsam4lc8ca-au.kicad_mod",
      "model_3d": "atsam4lc8ca-au-hero.glb",
      "model_3d_plain": "atsam4lc8ca-au-etched.glb",
      "model_3d_step": "atsam4lc8ca-au-etched.step",
      "model_3d_step_plain": "atsam4lc8ca-au.step",
      "lbr": "atsam4lc8ca-au.lbr"
    },
    "distributor_links": {
      "lcsc": "C1337372",
      "digikey": "ATSAM4LC8CA-AU-ND",
      "mouser": "556-ATSAM4LC8CA-AU"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T21:39:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATSAM4LC8CA-AU-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-ATSAM4LC8CA-AU",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PC00",
        "type": "bidirectional",
        "description": "GPIO line PC00; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "2",
        "name": "PC01",
        "type": "bidirectional",
        "description": "GPIO line PC01; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "3",
        "name": "PC02",
        "type": "bidirectional",
        "description": "GPIO line PC02; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "4",
        "name": "PC03",
        "type": "bidirectional",
        "description": "GPIO line PC03; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "5",
        "name": "PA00",
        "type": "bidirectional",
        "description": "GPIO line PA00 supplied from VDDIO; per Table 3-7 it is also the XIN0 oscillator input pin."
      },
      {
        "number": "6",
        "name": "PA01",
        "type": "bidirectional",
        "description": "GPIO line PA01 supplied from VDDIO; per Table 3-7 it is also the XOUT0 oscillator output pin."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "8",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply pin for the GPIO ring."
      },
      {
        "number": "9",
        "name": "PC04",
        "type": "bidirectional",
        "description": "GPIO line PC04; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "10",
        "name": "PC05",
        "type": "bidirectional",
        "description": "GPIO line PC05; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "11",
        "name": "PC06",
        "type": "bidirectional",
        "description": "GPIO line PC06; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "12",
        "name": "PA02",
        "type": "bidirectional",
        "description": "GPIO line PA02 supplied from VDDIN, multiplexed with SCIF GCLK0, SPI NPCS0 and CATB DIS per Table 3-1."
      },
      {
        "number": "13",
        "name": "RESET_N",
        "type": "input",
        "description": "External active-low reset input."
      },
      {
        "number": "14",
        "name": "VDDCORE",
        "type": "power_in",
        "description": "Core supply pin; the power and startup section describes its connection to the regulator."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "16",
        "name": "VDDOUT",
        "type": "power_out",
        "description": "Output of the embedded voltage regulator."
      },
      {
        "number": "17",
        "name": "VDDIN",
        "type": "power_in",
        "description": "Supply input pin for the embedded regulator and the VDDIN-supplied GPIO lines."
      },
      {
        "number": "18",
        "name": "TCK",
        "type": "input",
        "description": "JTAG/SWD debug clock input, per Table 3-6 and the Enhanced Debug Port description."
      },
      {
        "number": "19",
        "name": "PA03",
        "type": "bidirectional",
        "description": "GPIO line PA03 supplied from VDDIN, multiplexed with SPI MISO per Table 3-1 and JTAG TMS per Table 3-6."
      },
      {
        "number": "20",
        "name": "PB00",
        "type": "bidirectional",
        "description": "GPIO line PB00; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "21",
        "name": "PB01",
        "type": "bidirectional",
        "description": "GPIO line PB01; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "22",
        "name": "PB02",
        "type": "bidirectional",
        "description": "GPIO line PB02; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "23",
        "name": "PB03",
        "type": "bidirectional",
        "description": "GPIO line PB03; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "24",
        "name": "PA04",
        "type": "bidirectional",
        "description": "GPIO line PA04 supplied from VDDANA, multiplexed with ADCIFE AD0, USART0 CLK, EIC EXTINT2, GLOC IN1 and CATB SENSE0 per Table 3-1."
      },
      {
        "number": "25",
        "name": "PA05",
        "type": "bidirectional",
        "description": "GPIO line PA05 supplied from VDDANA, multiplexed with ADCIFE AD1, USART0 RXD, EIC EXTINT3, GLOC IN2, ADCIFE TRIGGER and CATB SENSE1 per Table 3-1."
      },
      {
        "number": "26",
        "name": "XIN32",
        "type": "input",
        "description": "32 kHz crystal oscillator input."
      },
      {
        "number": "27",
        "name": "XOUT32",
        "type": "output",
        "description": "32 kHz crystal oscillator output."
      },
      {
        "number": "28",
        "name": "PB04",
        "type": "bidirectional",
        "description": "GPIO line PB04; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "29",
        "name": "PB05",
        "type": "bidirectional",
        "description": "GPIO line PB05; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "30",
        "name": "PA06",
        "type": "bidirectional",
        "description": "GPIO line PA06 supplied from VDDANA, multiplexed with DACC VOUT, USART0 RTS, EIC EXTINT1, GLOC IN0, ACIFC ACAN0 and CATB SENSE2 per Table 3-1."
      },
      {
        "number": "31",
        "name": "PA07",
        "type": "bidirectional",
        "description": "GPIO line PA07 supplied from VDDANA, multiplexed with ADCIFE AD2, USART0 TXD, EIC EXTINT4, GLOC IN3, ACIFC ACAP0 and CATB SENSE3 per Table 3-1."
      },
      {
        "number": "32",
        "name": "ADVREFN",
        "type": "passive",
        "description": "ADC negative voltage reference pin."
      },
      {
        "number": "33",
        "name": "GNDANA",
        "type": "power_in",
        "description": "Analog ground pin."
      },
      {
        "number": "34",
        "name": "ADVREFP",
        "type": "passive",
        "description": "ADC positive voltage reference pin; the signal description lists ADVREFP as the positive voltage reference."
      },
      {
        "number": "35",
        "name": "VDDANA",
        "type": "power_in",
        "description": "Analog supply pin."
      },
      {
        "number": "36",
        "name": "PC07",
        "type": "bidirectional",
        "description": "GPIO line PC07; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "37",
        "name": "PC08",
        "type": "bidirectional",
        "description": "GPIO line PC08; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "38",
        "name": "PC09",
        "type": "bidirectional",
        "description": "GPIO line PC09; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "39",
        "name": "PC10",
        "type": "bidirectional",
        "description": "GPIO line PC10; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "40",
        "name": "PC11",
        "type": "bidirectional",
        "description": "GPIO line PC11; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "41",
        "name": "PC12",
        "type": "bidirectional",
        "description": "GPIO line PC12; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "42",
        "name": "PC13",
        "type": "bidirectional",
        "description": "GPIO line PC13; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "43",
        "name": "PC14",
        "type": "bidirectional",
        "description": "GPIO line PC14; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "44",
        "name": "PA08",
        "type": "bidirectional",
        "description": "GPIO line PA08 supplied from LCDA, multiplexed with USART0 RTS, TC0 A0, PEVC PAD EVT0, GLOC OUT0, LCDCA SEG23 and CATB SENSE4 per Table 3-1."
      },
      {
        "number": "45",
        "name": "PB06",
        "type": "bidirectional",
        "description": "GPIO line PB06; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "46",
        "name": "PB07",
        "type": "bidirectional",
        "description": "GPIO line PB07; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "47",
        "name": "PA09",
        "type": "bidirectional",
        "description": "GPIO line PA09 supplied from LCDA, multiplexed with USART0 CTS, TC0 B0, PEVC PAD EVT1, PARC PCDATA0, LCDCA COM3 and CATB SENSE5 per Table 3-1."
      },
      {
        "number": "48",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO line PA10 supplied from LCDA, multiplexed with USART0 CLK, TC0 A1, PEVC PAD EVT2, PARC PCDATA1, LCDCA COM2 and CATB SENSE6 per Table 3-1."
      },
      {
        "number": "49",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO line PA11 supplied from LCDA, multiplexed with USART0 RXD, TC0 B1, PEVC PAD EVT3, PARC PCDATA2, LCDCA COM1 and CATB SENSE7 per Table 3-1."
      },
      {
        "number": "50",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO line PA12 supplied from LCDA, multiplexed with USART0 TXD, TC0 A2, PARC PCDATA3, LCDCA COM0 and CATB DIS per Table 3-1."
      },
      {
        "number": "51",
        "name": "CAPH",
        "type": "passive",
        "description": "LCD controller capacitor connection (CAPH)."
      },
      {
        "number": "52",
        "name": "CAPL",
        "type": "passive",
        "description": "LCD controller capacitor connection (CAPL)."
      },
      {
        "number": "53",
        "name": "VLCD",
        "type": "passive",
        "description": "LCD controller voltage pin (VLCD)."
      },
      {
        "number": "54",
        "name": "BIASH",
        "type": "passive",
        "description": "LCD controller bias pin (BIASH)."
      },
      {
        "number": "55",
        "name": "BIASL",
        "type": "passive",
        "description": "LCD controller bias pin (BIASL)."
      },
      {
        "number": "56",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "57",
        "name": "VLCDIN",
        "type": "power_in",
        "description": "LCD controller supply input (VLCDIN)."
      },
      {
        "number": "58",
        "name": "PC15",
        "type": "bidirectional",
        "description": "GPIO line PC15; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "59",
        "name": "PC16",
        "type": "bidirectional",
        "description": "GPIO line PC16; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "60",
        "name": "PC17",
        "type": "bidirectional",
        "description": "GPIO line PC17; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "61",
        "name": "PC18",
        "type": "bidirectional",
        "description": "GPIO line PC18; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "62",
        "name": "PC19",
        "type": "bidirectional",
        "description": "GPIO line PC19; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "63",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO line PA13 supplied from LCDA, multiplexed with USART1 RTS, TC0 B2, SPI NPCS1, PARC PCDATA4, LCDCA SEG5 and CATB SENSE8 per Table 3-1."
      },
      {
        "number": "64",
        "name": "PA14",
        "type": "bidirectional",
        "description": "GPIO line PA14 supplied from LCDA, multiplexed with USART1 CLK, TC0 CLK0, SPI NPCS2, PARC PCDATA5, LCDCA SEG6 and CATB SENSE9 per Table 3-1."
      },
      {
        "number": "65",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO line PA15 supplied from LCDA, multiplexed with USART1 RXD, TC0 CLK1, SPI NPCS3, PARC PCDATA6, LCDCA SEG7 and CATB SENSE10 per Table 3-1."
      },
      {
        "number": "66",
        "name": "PA16",
        "type": "bidirectional",
        "description": "GPIO line PA16; its peripheral multiplexing is in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "67",
        "name": "PA17",
        "type": "bidirectional",
        "description": "GPIO line PA17; its peripheral multiplexing is in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "68",
        "name": "PC20",
        "type": "bidirectional",
        "description": "GPIO line PC20; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "69",
        "name": "PC21",
        "type": "bidirectional",
        "description": "GPIO line PC21; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "70",
        "name": "PC22",
        "type": "bidirectional",
        "description": "GPIO line PC22; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "71",
        "name": "PC23",
        "type": "bidirectional",
        "description": "GPIO line PC23; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "72",
        "name": "PB08",
        "type": "bidirectional",
        "description": "GPIO line PB08; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "73",
        "name": "PB09",
        "type": "bidirectional",
        "description": "GPIO line PB09; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "74",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO line PB10; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "75",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO line PB11; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "76",
        "name": "PA18",
        "type": "bidirectional",
        "description": "GPIO line PA18; its peripheral multiplexing is in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "77",
        "name": "PA19",
        "type": "bidirectional",
        "description": "GPIO line PA19; its peripheral multiplexing is in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "78",
        "name": "PA20",
        "type": "bidirectional",
        "description": "GPIO line PA20; its peripheral multiplexing is in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "79",
        "name": "PC24",
        "type": "bidirectional",
        "description": "GPIO line PC24; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "80",
        "name": "PC25",
        "type": "bidirectional",
        "description": "GPIO line PC25; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "81",
        "name": "PC26",
        "type": "bidirectional",
        "description": "GPIO line PC26; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "82",
        "name": "PC27",
        "type": "bidirectional",
        "description": "GPIO line PC27; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "83",
        "name": "PC28",
        "type": "bidirectional",
        "description": "GPIO line PC28; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "84",
        "name": "PC29",
        "type": "bidirectional",
        "description": "GPIO line PC29; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "85",
        "name": "PC30",
        "type": "bidirectional",
        "description": "GPIO line PC30; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "86",
        "name": "PC31",
        "type": "bidirectional",
        "description": "GPIO line PC31; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "87",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply pin for the GPIO ring."
      },
      {
        "number": "88",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply pin for the GPIO ring."
      },
      {
        "number": "89",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO line PB12; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "90",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO line PB13; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "91",
        "name": "PA21",
        "type": "bidirectional",
        "description": "GPIO line PA21; its peripheral multiplexing is in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "92",
        "name": "PA22",
        "type": "bidirectional",
        "description": "GPIO line PA22; its peripheral multiplexing is in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "93",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO line PB14; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "94",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO line PB15; its supply domain and peripheral multiplexing are in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "95",
        "name": "PA23",
        "type": "bidirectional",
        "description": "GPIO line PA23; per Table 3-6 it is a JTAG TDO pin, and per Section 3.2.4 it carries the Serial Wire Trace signal when ITM trace is enabled."
      },
      {
        "number": "96",
        "name": "PA24",
        "type": "bidirectional",
        "description": "GPIO line PA24; per Table 3-6 it is a JTAG TDI pin."
      },
      {
        "number": "97",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply pin for the GPIO ring."
      },
      {
        "number": "98",
        "name": "PA25",
        "type": "bidirectional",
        "description": "GPIO line PA25; its peripheral multiplexing is in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "99",
        "name": "PA26",
        "type": "bidirectional",
        "description": "GPIO line PA26; its peripheral multiplexing is in the Section 3.2 tables, which are not in this excerpt."
      },
      {
        "number": "100",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      }
    ],
    "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: Package verified: ATSAM4LC8CA-AU is ordered as TQFP100 (Table 11-1, page 166). The TQFP100 ATSAM4LC ; Pin descriptions are incomplete because the supplied excerpt does not include the Section 3.2 multip; Pin types for analog and LCD pins, plus VDDCORE, VDDOUT and VLCD, are inferred from their names and ",
          "1/100 pins cited to the wrong page (name found elsewhere): ['34:ADVREFP@p31']"
        ],
        "pages_sent": 28,
        "cost_usd": 0.1612,
        "at": "2026-10-30T21:39:07"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f4aa8c26c4974cccd19335b9b256b2c8.pdf",
        "pages": 176,
        "sha256": "188d7648dafe2946",
        "source_tier": "mfr"
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