FU6811L

{
  "slug": "fu6811l",
  "version": "0.1.0",
  "type": "component",
  "description": "Fortior Tech Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "fu6811l",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "fu6811l.kicad_sym",
    "fu6811l.kicad_mod",
    "fu6811l.glb",
    "fu6811l.step",
    "fu6811l.lbr",
    "docs/hero.png",
    "docs/fu6811l-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "fu6811l-hero.glb",
    "fu6811l-hero.overlay.json",
    "fu6811l-etched.glb"
  ],
  "component": {
    "mpn": "FU6811L",
    "manufacturer": "Fortior Tech",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586183924255375360",
    "parts": {
      "symbol": "fu6811l.kicad_sym",
      "footprint": "fu6811l.kicad_mod",
      "model_3d": "fu6811l-hero.glb",
      "model_3d_plain": "fu6811l-etched.glb",
      "model_3d_step": "fu6811l-etched.step",
      "model_3d_step_plain": "fu6811l.step",
      "lbr": "fu6811l.lbr"
    },
    "distributor_links": {
      "lcsc": "C97685"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T21:26:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P2.2/C2M/A2M",
        "type": "bidirectional",
        "description": "GPIO P2.2 with configurable INT1 external interrupt input and 4.7 kΩ pull-up; also the differential Hall2/BEMF2 negative input and the AMP2 negative input."
      },
      {
        "number": "2",
        "name": "P2.3/AD1/A2O",
        "type": "bidirectional",
        "description": "GPIO P2.3 with configurable INT1 input; also ADC channel 1 input for the amplified phase-current-2 signal and the AMP2 output."
      },
      {
        "number": "3",
        "name": "P2.4/AD2",
        "type": "bidirectional",
        "description": "GPIO P2.4 with configurable INT1 input; also ADC channel 2 input for the bus-voltage signal."
      },
      {
        "number": "4",
        "name": "P2.5/AD3",
        "type": "bidirectional",
        "description": "GPIO P2.5 with configurable INT1 input; also ADC channel 3 input."
      },
      {
        "number": "5",
        "name": "P2.6/C3M",
        "type": "bidirectional",
        "description": "GPIO P2.6 with configurable INT1 input; also the overcurrent reference signal input and the CMP3 negative input."
      },
      {
        "number": "6",
        "name": "P2.7/AD4/C3P/A0O",
        "type": "bidirectional",
        "description": "GPIO P2.7 with configurable INT1 input; also ADC channel 4 input for the amplified bus-current signal, the CMP3 positive input for overcurrent detection, and the AMP0 output."
      },
      {
        "number": "7",
        "name": "P3.0/A0M",
        "type": "bidirectional",
        "description": "GPIO P3.0; also the AMP0 negative input used to amplify the bus-current signal."
      },
      {
        "number": "8",
        "name": "P3.1/A0P",
        "type": "bidirectional",
        "description": "GPIO P3.1; also the AMP0 positive input used to amplify the bus-current signal."
      },
      {
        "number": "9",
        "name": "P3.2/AD5/TIM0/VHALF",
        "type": "bidirectional",
        "description": "GPIO P3.2; also overtemperature signal input, ADC channel 5 input, advanced timer channel 4 output, and a 1/2 VDD5 or 1/2 VREF reference output that needs an external 1 µF capacitor."
      },
      {
        "number": "10",
        "name": "P3.3/AD6/RXD2/IR_RXD2",
        "type": "bidirectional",
        "description": "GPIO P3.3; also ADC channel 6 input, UART2 receive data (after function transfer), and infrared receive data (after function transfer)."
      },
      {
        "number": "11",
        "name": "P3.4/AD7/TXD2/IR_TXD2",
        "type": "bidirectional",
        "description": "GPIO P3.4; also analog speed-control input on ADC channel 7, UART2 transmit data (after function transfer), and infrared transmit data (after function transfer)."
      },
      {
        "number": "12",
        "name": "P3.5/VREF",
        "type": "bidirectional",
        "description": "GPIO P3.5; also the ADC external reference voltage input or internal VREF output, which needs an external 1 µF capacitor."
      },
      {
        "number": "13",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "14",
        "name": "AVDD5",
        "type": "power_in",
        "description": "Analog supply input, connected externally to VDD5 with a 1 µF capacitor to AVSS."
      },
      {
        "number": "15",
        "name": "P3.6/XIN/ECLK",
        "type": "bidirectional",
        "description": "GPIO P3.6; also the fast-clock crystal input for a 24 MHz crystal and the external fast-clock input."
      },
      {
        "number": "16",
        "name": "P3.7/XOUT",
        "type": "bidirectional",
        "description": "GPIO P3.7; also the fast-clock crystal output for a 24 MHz crystal."
      },
      {
        "number": "17",
        "name": "P0.0/SDA",
        "type": "bidirectional",
        "description": "GPIO P0.0 with configurable INT0 external interrupt input; also I2C SDA, open-drain output with configurable 4.7 kΩ pull-up."
      },
      {
        "number": "18",
        "name": "P0.1/SCL/TIM4",
        "type": "bidirectional",
        "description": "GPIO P0.1; also I2C SCL clock, open-drain output with configurable 4.7 kΩ pull-up, and Timer4 input or output."
      },
      {
        "number": "19",
        "name": "P0.2/LXIN",
        "type": "bidirectional",
        "description": "GPIO P0.2; also the 32768 Hz crystal input."
      },
      {
        "number": "20",
        "name": "P0.3/LXOUT",
        "type": "bidirectional",
        "description": "GPIO P0.3; also the 32768 Hz crystal output."
      },
      {
        "number": "21",
        "name": "P0.4/NSS",
        "type": "bidirectional",
        "description": "GPIO P0.4; also the SPI slave select port."
      },
      {
        "number": "22",
        "name": "P0.5/MOSI/TXD/IR_TXD",
        "type": "bidirectional",
        "description": "GPIO P0.5; also SPI_MOSI (master output or slave input), UART1 transmit data (before function transfer), and infrared transmit data (before function transfer)."
      },
      {
        "number": "23",
        "name": "P0.6/MISO/RXD/IR_RXD",
        "type": "bidirectional",
        "description": "GPIO P0.6; also SPI_MISO (master input or slave output), UART1 receive data (before function transfer), and infrared receive data (before function transfer)."
      },
      {
        "number": "24",
        "name": "P0.7/SCLK/TIM5/CXO",
        "type": "bidirectional",
        "description": "GPIO P0.7; also SPI clock, Timer5 capture input or PWM output, and the comparator output test pin."
      },
      {
        "number": "25",
        "name": "P1.0/TIM2",
        "type": "bidirectional",
        "description": "GPIO P1.0 with configurable INT1 external interrupt input; also Timer2 capture input or PWM output."
      },
      {
        "number": "26",
        "name": "P1.1/TIM3",
        "type": "bidirectional",
        "description": "GPIO P1.1 with configurable INT1 external interrupt input; also Timer3 capture input or PWM output."
      },
      {
        "number": "27",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "28",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "29",
        "name": "L_DU",
        "type": "output",
        "description": "PWM low-side bridge U-phase output."
      },
      {
        "number": "30",
        "name": "L_DV",
        "type": "output",
        "description": "PWM low-side bridge V-phase output."
      },
      {
        "number": "31",
        "name": "L_DW",
        "type": "output",
        "description": "PWM low-side bridge W-phase output."
      },
      {
        "number": "32",
        "name": "H_DU",
        "type": "output",
        "description": "PWM high-side bridge U-phase output."
      },
      {
        "number": "33",
        "name": "H_DV",
        "type": "output",
        "description": "PWM high-side bridge V-phase output."
      },
      {
        "number": "34",
        "name": "H_DW",
        "type": "output",
        "description": "PWM high-side bridge W-phase output."
      },
      {
        "number": "35",
        "name": "VCC",
        "type": "power_in",
        "description": "Power input whose range depends on VCC_MODE: 5 V to 24 V in single-supply high-voltage mode (VCC_MODE=0, VDD5 from internal LDO), 3 V to 5.5 V with VCC shorted to VDD5 in single-supply low-voltage mode, or 5 V to 36 V in dual-supply mode (VCC_MODE=1 with 5 V on VDD5); use a 10 µF or larger filter capacitor."
      },
      {
        "number": "36",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "37",
        "name": "VDD5",
        "type": "power_in",
        "description": "Medium-voltage supply input or internal 5 V LDO output, depending on VCC_MODE, with a 1 µF to 4.7 µF capacitor."
      },
      {
        "number": "38",
        "name": "VCC_MODE",
        "type": "input",
        "description": "Digital input that selects the power-supply mode, as described under the VCC pin."
      },
      {
        "number": "39",
        "name": "RSTN/FICEK",
        "type": "input",
        "description": "External reset input with internal pull-up; also the FICE debug interface clock."
      },
      {
        "number": "40",
        "name": "VDD18",
        "type": "power_out",
        "description": "1.85 V LDO output, requires a 1 µF to 4.7 µF capacitor."
      },
      {
        "number": "41",
        "name": "P1.2/FICED",
        "type": "bidirectional",
        "description": "GPIO P1.2 with configurable INT1 external interrupt input; also the FICE debug data port."
      },
      {
        "number": "42",
        "name": "P1.3/HBIAS/A3O",
        "type": "bidirectional",
        "description": "GPIO P1.3; also Hall bias supply, switched internally from VDD5 to allow high-current output, and the AMP3 output."
      },
      {
        "number": "43",
        "name": "P1.4/C0P/A3M",
        "type": "bidirectional",
        "description": "GPIO P1.4 with configurable INT1 input and 4.7 kΩ pull-up; also the Timer1 switching Hall0 input, the differential Hall0/BEMF0 positive input, and the AMP3 negative input."
      },
      {
        "number": "44",
        "name": "P1.5/C0M/A3P",
        "type": "bidirectional",
        "description": "GPIO P1.5 with configurable INT1 input and 4.7 kΩ pull-up; also the differential Hall0/BEMF0 negative input and the AMP3 positive input."
      },
      {
        "number": "45",
        "name": "P1.6/C1P/A1P",
        "type": "bidirectional",
        "description": "GPIO P1.6 with configurable INT1 input and 4.7 kΩ pull-up; also the Timer1 switching Hall1 input, the differential Hall1/BEMF1 positive input, and the AMP1 positive input for phase-current-1 voltage."
      },
      {
        "number": "46",
        "name": "P1.7/C1M/A1M",
        "type": "bidirectional",
        "description": "GPIO P1.7 with configurable 4.7 kΩ pull-up; also the differential Hall1/BEMF1 negative input and the AMP1 negative input."
      },
      {
        "number": "47",
        "name": "P2.0/AD0/A1O",
        "type": "bidirectional",
        "description": "GPIO P2.0 with configurable INT1 input; also ADC channel 0 input for the amplified phase-current-1 signal and the AMP1 output."
      },
      {
        "number": "48",
        "name": "P2.1/C2P/A2P",
        "type": "bidirectional",
        "description": "GPIO P2.1 with configurable INT1 input and 4.7 kΩ pull-up; also the Timer1 switching Hall2 input, the differential Hall2/BEMF2 positive input, and the AMP2 positive input for phase-current-2 voltage."
      }
    ],
    "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: The FU6811L is listed as LQFP48 in section 2.9 (pages 52-55). The ordering table on page 66 is only ; Pins 27 and 28 are printed as NC (no connection) in the FU6811L LQFP48 list and are typed unconnecte; FU6811L drives its bridge with PWM outputs (L_DU/L_DV/L_DW, H_DU/H_DV/H_DW) to an external HVIC, not"
        ],
        "pages_sent": 78,
        "cost_usd": 0.2939,
        "at": "2026-10-18T21:26:37"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586183924255375360",
        "pages": 292,
        "sha256": "d5a21e4e7fe9a48c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "fu6811l.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fu6811l-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d2c26cd2464c025e519f691f084c281e3538ef2c92ff27ce898cd5db497ae987",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}