component
ATSAM4LC8CA-AU
Public Made by Adomby adom
Microchip Tech Pre-ordered MCUs, TQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
"slug": "atsam4lc8ca-au",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Pre-ordered MCUs, TQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"embedded processors & controllers",
"atsam4lc8ca-au",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
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"files": [
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"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": {
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"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"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 100,
"described": 100,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"footprint": "viewers/footprint.html"
},
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"seat": "z = 0",
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"checked": "2026-10-30",
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},
{
"file": "atsam4lc8ca-au-etched.step",
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}