ATSAM4LS8CA-AU

{
  "schema_version": 1,
  "type": "component",
  "slug": "atsam4ls8ca-au",
  "title": "ATSAM4LS8CA-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",
    "atsam4ls8ca-au",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATSAM4LS8CA-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/14277885049a38429fa3806858853ab0.pdf",
    "parts": {
      "symbol": "atsam4ls8ca-au.kicad_sym",
      "footprint": "atsam4ls8ca-au.kicad_mod",
      "model_3d": "atsam4ls8ca-au-hero.glb",
      "model_3d_plain": "atsam4ls8ca-au-etched.glb",
      "model_3d_step": "atsam4ls8ca-au-etched.step",
      "model_3d_step_plain": "atsam4ls8ca-au.step",
      "lbr": "atsam4ls8ca-au.lbr"
    },
    "distributor_links": {
      "lcsc": "C1337719",
      "digikey": "ATSAM4LS8CA-AU-ND",
      "mouser": "556-ATSAM4LS8CA-AU"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T16:25:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATSAM4LS8CA-AU-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-ATSAM4LS8CA-AU",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PC00",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC00; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "2",
        "name": "PC01",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC01; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "3",
        "name": "PC02",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC02; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "4",
        "name": "PC03",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC03; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "5",
        "name": "PA00",
        "type": "bidirectional",
        "description": "GPIO PA00 on the VDDIO supply domain; also the XIN0 main-oscillator input per Table 3-7."
      },
      {
        "number": "6",
        "name": "PA01",
        "type": "bidirectional",
        "description": "GPIO PA01 on the VDDIO supply domain; also the XOUT0 main-oscillator output per Table 3-7."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin of the device."
      },
      {
        "number": "8",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply pin for the VDDIO GPIO domain; voltage limits are in Section 9, which is not in the excerpt."
      },
      {
        "number": "9",
        "name": "PC04",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC04; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "10",
        "name": "PC05",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC05; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "11",
        "name": "PC06",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC06; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "12",
        "name": "PA02",
        "type": "bidirectional",
        "description": "GPIO PA02 on the VDDIN supply; multiplexed as SCIF GCLK0, SPI NPCS0 and CATB DIS."
      },
      {
        "number": "13",
        "name": "RESET_N",
        "type": "input",
        "description": "External reset pin RESET_N, monitored by the JTAG-FILTER of the Enhanced Debug Port."
      },
      {
        "number": "14",
        "name": "VDDCORE",
        "type": "power_out",
        "description": "Core supply pin (VDDCORE); decoupling and regulator requirements are in Section 6, which is not in the excerpt."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin of the device."
      },
      {
        "number": "16",
        "name": "VDDOUT",
        "type": "power_out",
        "description": "Output pin of the embedded voltage regulator (VDDOUT); limits are in Section 6, which is not in the excerpt."
      },
      {
        "number": "17",
        "name": "VDDIN",
        "type": "power_in",
        "description": "Supply input pin (VDDIN) for the embedded regulator and the VDDIN GPIO domain; limits are in Section 9, which is not in the excerpt."
      },
      {
        "number": "18",
        "name": "TCK",
        "type": "input",
        "description": "JTAG/SW debug clock input (TCK/SWCLK) of the Enhanced Debug Port."
      },
      {
        "number": "19",
        "name": "PA03",
        "type": "bidirectional",
        "description": "GPIO PA03 on the VDDIN supply; multiplexed as SPI MISO and also the JTAG TMS/SWDIO debug pin per Table 3-6."
      },
      {
        "number": "20",
        "name": "PB00",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB00; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "21",
        "name": "PB01",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB01; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "22",
        "name": "PB02",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB02; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "23",
        "name": "PB03",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB03; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "24",
        "name": "PA04",
        "type": "bidirectional",
        "description": "GPIO PA04 on the VDDANA supply; multiplexed as ADCIFE AD0, USART0 CLK, EIC EXTINT2, GLOC IN1 and CATB SENSE0."
      },
      {
        "number": "25",
        "name": "PA05",
        "type": "bidirectional",
        "description": "GPIO PA05 on the VDDANA supply; multiplexed as ADCIFE AD1, USART0 RXD, EIC EXTINT3, GLOC IN2, ADCIFE TRIGGER and CATB SENSE1."
      },
      {
        "number": "26",
        "name": "XIN32",
        "type": "input",
        "description": "32 kHz crystal oscillator input (XIN32), an analog/digital pin per Table 3-8."
      },
      {
        "number": "27",
        "name": "XOUT32",
        "type": "output",
        "description": "32 kHz crystal oscillator output (XOUT32), an analog pin per Table 3-8."
      },
      {
        "number": "28",
        "name": "PB04",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB04; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "29",
        "name": "PB05",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB05; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "30",
        "name": "PA06",
        "type": "bidirectional",
        "description": "GPIO PA06 on the VDDANA supply; multiplexed as DACC VOUT, USART0 RTS, EIC EXTINT1, GLOC IN0, ACIFC ACAN0 and CATB SENSE2."
      },
      {
        "number": "31",
        "name": "PA07",
        "type": "bidirectional",
        "description": "GPIO PA07 on the VDDANA supply; multiplexed as ADCIFE AD2, USART0 TXD, EIC EXTINT4, GLOC IN3, ACIFC ACAP0 and CATB SENSE3."
      },
      {
        "number": "32",
        "name": "ADVREFN",
        "type": "passive",
        "description": "ADC negative voltage reference pin (ADVREFN); the excerpt gives no further function or limits for it."
      },
      {
        "number": "33",
        "name": "GNDANA",
        "type": "power_in",
        "description": "Analog ground pin for the ADC and analog blocks."
      },
      {
        "number": "34",
        "name": "ADVREFP",
        "type": "passive",
        "description": "ADC positive voltage reference pin for the ADC controller (ADCIFE), listed as an analog positive voltage reference in Table 3-8."
      },
      {
        "number": "35",
        "name": "VDDANA",
        "type": "power_in",
        "description": "Analog supply pin for the VDDANA domain (ADC, DAC and comparator pins such as PA04-PA07); limits are in Section 9, not in the excerpt."
      },
      {
        "number": "36",
        "name": "PC07",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC07; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "37",
        "name": "PC08",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC08; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "38",
        "name": "PC09",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC09; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "39",
        "name": "PC10",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC10; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "40",
        "name": "PC11",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC11; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "41",
        "name": "PC12",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC12; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "42",
        "name": "PC13",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC13; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "43",
        "name": "PC14",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC14; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "44",
        "name": "PA08",
        "type": "bidirectional",
        "description": "GPIO PA08 on the LCDA supply; multiplexed as USART0 RTS, TC0 A0, PEVC PAD EVT0, GLOC OUT0, LCDCA SEG23 and CATB SENSE4."
      },
      {
        "number": "45",
        "name": "PB06",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB06; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "46",
        "name": "PB07",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB07; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "47",
        "name": "PA09",
        "type": "bidirectional",
        "description": "GPIO PA09 on the LCDA supply; multiplexed as USART0 CTS, TC0 B0, PEVC PAD EVT1, PARC PCDATA0, LCDCA COM3 and CATB SENSE5."
      },
      {
        "number": "48",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO PA10 on the LCDA supply; multiplexed as USART0 CLK, TC0 A1, PEVC PAD EVT2, PARC PCDATA1, LCDCA COM2 and CATB SENSE6."
      },
      {
        "number": "49",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO PA11 on the LCDA supply; multiplexed as USART0 RXD, TC0 B1, PEVC PAD EVT3, PARC PCDATA2, LCDCA COM1 and CATB SENSE7."
      },
      {
        "number": "50",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO PA12 on the LCDA supply; multiplexed as USART0 TXD, TC0 A2, PARC PCDATA3, LCDCA COM0 and CATB DIS."
      },
      {
        "number": "51",
        "name": "PA27",
        "type": "bidirectional",
        "description": "GPIO PA27 on the LCDA supply; multiplexed as SPI MISO, IISC ISCK, ABDACB DAC0, GLOC IN4, USART3 RTS and CATB SENSE0."
      },
      {
        "number": "52",
        "name": "PA28",
        "type": "bidirectional",
        "description": "GPIO PA28 on the LCDA supply; multiplexed as SPI MOSI, IISC ISDI, ABDACB DACN0, GLOC IN5, USART3 CTS and CATB SENSE1."
      },
      {
        "number": "53",
        "name": "PA29",
        "type": "bidirectional",
        "description": "GPIO PA29 on the LCDA supply; multiplexed as SPI SCK, IISC IWS, ABDACB DAC1, GLOC IN6, USART3 CLK and CATB SENSE2."
      },
      {
        "number": "54",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin of the device."
      },
      {
        "number": "55",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply pin for the VDDIO GPIO domain; voltage limits are in Section 9, which is not in the excerpt."
      },
      {
        "number": "56",
        "name": "PA30",
        "type": "bidirectional",
        "description": "GPIO PA30 on the LCDA supply; multiplexed as SPI NPCS0, IISC ISDO, ABDACB DACN1, GLOC IN7, USART3 RXD and CATB SENSE3."
      },
      {
        "number": "57",
        "name": "PA31",
        "type": "bidirectional",
        "description": "GPIO PA31 on the LCDA supply; multiplexed as SPI NPCS1, IISC IMCK, ABDACB CLK, GLOC OUT1, USART3 TXD and CATB DIS."
      },
      {
        "number": "58",
        "name": "PC15",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC15; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "59",
        "name": "PC16",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC16; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "60",
        "name": "PC17",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC17; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "61",
        "name": "PC18",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC18; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "62",
        "name": "PC19",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC19; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "63",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO PA13 on the LCDA supply; multiplexed as USART1 RTS, TC0 B2, SPI NPCS1, PARC PCDATA4, LCDCA SEG5 and CATB SENSE8."
      },
      {
        "number": "64",
        "name": "PA14",
        "type": "bidirectional",
        "description": "GPIO PA14 on the LCDA supply; multiplexed as USART1 CLK, TC0 CLK0, SPI NPCS2, PARC PCDATA5, LCDCA SEG6 and CATB SENSE9."
      },
      {
        "number": "65",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO PA15 on the LCDA supply; multiplexed as USART1 RXD, TC0 CLK1, SPI NPCS3, PARC PCDATA6, LCDCA SEG7 and CATB SENSE10."
      },
      {
        "number": "66",
        "name": "PA16",
        "type": "bidirectional",
        "description": "GPIO PA16 on the LCDA supply; multiplexed as USART1 TXD, TC0 CLK2, EIC EXTINT1, PARC PCDATA7, LCDCA SEG8 and CATB SENSE11."
      },
      {
        "number": "67",
        "name": "PA17",
        "type": "bidirectional",
        "description": "GPIO PA17 on the LCDA supply; multiplexed as USART2 RTS, ABDACB DAC0, EIC EXTINT2, PARC PCCK, LCDCA SEG9 and CATB SENSE12."
      },
      {
        "number": "68",
        "name": "PC20",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC20; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "69",
        "name": "PC21",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC21; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "70",
        "name": "PC22",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC22; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "71",
        "name": "PC23",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC23; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "72",
        "name": "PB08",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB08; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "73",
        "name": "PB09",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB09; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "74",
        "name": "PB10",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB10; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "75",
        "name": "PB11",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB11; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "76",
        "name": "PA18",
        "type": "bidirectional",
        "description": "GPIO PA18 on the LCDA supply; multiplexed as USART2 CLK, ABDACB DACN0, EIC EXTINT3, PARC PCEN1, LCDCA SEG18 and CATB SENSE13."
      },
      {
        "number": "77",
        "name": "PA19",
        "type": "bidirectional",
        "description": "GPIO PA19 on the LCDA supply; multiplexed as USART2 RXD, ABDACB DAC1, EIC EXTINT4, PARC PCEN2, SCIF GCLK0, LCDCA SEG19 and CATB SENSE14."
      },
      {
        "number": "78",
        "name": "PA20",
        "type": "bidirectional",
        "description": "GPIO PA20 on the LCDA supply; multiplexed as USART2 TXD, ABDACB DACN1, EIC EXTINT5, GLOC IN0, SCIF GCLK1, LCDCA SEG20 and CATB SENSE15."
      },
      {
        "number": "79",
        "name": "PC24",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC24; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "80",
        "name": "PC25",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC25; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "81",
        "name": "PC26",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC26; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "82",
        "name": "PC27",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC27; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "83",
        "name": "PC28",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC28; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "84",
        "name": "PC29",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC29; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "85",
        "name": "PC30",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC30; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "86",
        "name": "PC31",
        "type": "bidirectional",
        "description": "General-purpose I/O line PC31; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "87",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply pin for the VDDIO GPIO domain; voltage limits are in Section 9, which is not in the excerpt."
      },
      {
        "number": "88",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O supply pin for the VDDIO GPIO domain; voltage limits are in Section 9, which is not in the excerpt."
      },
      {
        "number": "89",
        "name": "PB12",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB12; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "90",
        "name": "PB13",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB13; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "91",
        "name": "PA21",
        "type": "bidirectional",
        "description": "GPIO PA21 on the LCDC supply; multiplexed as SPI MISO, USART1 CTS, EIC EXTINT6, GLOC IN1, TWIM2 TWD, LCDCA SEG34 and CATB SENSE16."
      },
      {
        "number": "92",
        "name": "PA22",
        "type": "bidirectional",
        "description": "GPIO PA22 on the LCDC supply; multiplexed as SPI MOSI, USART2 CTS, EIC EXTINT7, GLOC IN2, TWIM2 TWCK, LCDCA SEG35 and CATB SENSE17."
      },
      {
        "number": "93",
        "name": "PB14",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB14; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "94",
        "name": "PB15",
        "type": "bidirectional",
        "description": "General-purpose I/O line PB15; its multiplexed functions and supply domain are listed in Table 3-1, which is not fully in the excerpt."
      },
      {
        "number": "95",
        "name": "PA23",
        "type": "bidirectional",
        "description": "GPIO PA23 on the LCDC supply; multiplexed as SPI SCK, TWIMS0 TWD, EIC EXTINT8, GLOC IN3, SCIF GCLK IN0, LCDCA SEG38 and CATB DIS; it is also the JTAG TDO and ITM SWO trace pin per Tables 3-6 and Section 3.2.4."
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        "number": "96",
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