FU6522N

{
  "slug": "fu6522n",
  "version": "0.1.0",
  "type": "component",
  "description": "Fortior Tech Microcontrollers (MCU/MPU/SOC), QFN-32-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "fu6522n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "fu6522n.kicad_sym",
    "fu6522n.kicad_mod",
    "fu6522n.glb",
    "fu6522n.step",
    "fu6522n.lbr",
    "docs/hero.png",
    "docs/fu6522n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "fu6522n-hero.glb",
    "fu6522n-hero.overlay.json",
    "fu6522n-etched.glb"
  ],
  "component": {
    "mpn": "FU6522N",
    "manufacturer": "Fortior Tech",
    "package": "QFN-32-EP(4x4)",
    "pin_count": 33,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604440593511182336",
    "parts": {
      "symbol": "fu6522n.kicad_sym",
      "footprint": "fu6522n.kicad_mod",
      "model_3d": "fu6522n-hero.glb",
      "model_3d_plain": "fu6522n-etched.glb",
      "model_3d_step": "fu6522n-etched.step",
      "model_3d_step_plain": "fu6522n.step",
      "lbr": "fu6522n.lbr"
    },
    "distributor_links": {
      "lcsc": "C42411225"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T17:29:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P2.1/C2P/A2P/AD8/HAL2S",
        "type": "bidirectional",
        "description": "GPIO that also serves as CMP2 positive input, AMP2 positive input, ADC channel 8 input, and Hall-IC2 logic level input after function switching."
      },
      {
        "number": "2",
        "name": "P2.2/C2M/A2M",
        "type": "bidirectional",
        "description": "GPIO that also serves as CMP2 negative input and AMP2 negative input."
      },
      {
        "number": "3",
        "name": "P2.3/AD1/A2O/C4P/DA1",
        "type": "bidirectional",
        "description": "GPIO, configurable as INT1 input, that also serves as ADC channel 1 input, AMP2 output, CMP4 positive input, and DAC1 output without buffer."
      },
      {
        "number": "4",
        "name": "P2.4/AD2",
        "type": "bidirectional",
        "description": "GPIO that also serves as ADC channel 2 input for bus voltage sampling."
      },
      {
        "number": "5",
        "name": "P2.7/AD4/C3P/A0O/C4M",
        "type": "bidirectional",
        "description": "GPIO, configurable as INT1 input, that also serves as ADC channel 4 input for bus current sampling, CMP3 positive input, AMP0 output, and CMP4 negative input."
      },
      {
        "number": "6",
        "name": "P3.0/A0M",
        "type": "bidirectional",
        "description": "GPIO that also serves as AMP0 negative input."
      },
      {
        "number": "7",
        "name": "P3.1/A0P",
        "type": "bidirectional",
        "description": "GPIO that also serves as AMP0 positive input."
      },
      {
        "number": "8",
        "name": "P3.2/AD5/VHALF",
        "type": "bidirectional",
        "description": "GPIO that also serves as ADC channel 5 input and 1/2 VREF voltage output, which requires a 1μF external capacitor."
      },
      {
        "number": "9",
        "name": "P3.4/AD7/C3PS/C4MS",
        "type": "bidirectional",
        "description": "GPIO that also serves as ADC channel 7 input, CMP3 positive input and CMP4 negative input after function switching; when AMP_CR0[CP_EN]=1 the AMP0 output (P2.7) is delivered via a 50k Ohm resistor and a 1μF external capacitor is connected for bus average current sampling."
      },
      {
        "number": "10",
        "name": "P0.0/TIM4S/TXD2S/SDA",
        "type": "bidirectional",
        "description": "GPIO, configurable as INT0 input, that also serves as Timer4 input/output and UART2 TXD output after function switching, and as I2C SDA (collector open-drain output)."
      },
      {
        "number": "11",
        "name": "P0.1/DBG/TIM4/TIM3S/RXD2S/SCL",
        "type": "bidirectional",
        "description": "GPIO, configurable as INT0 input, that also serves as debug port, Timer4 input/output, Timer3 input/output after switching, UART2 RXD after switching, and I2C SCL (collector open-drain output)."
      },
      {
        "number": "12",
        "name": "P0.5/TXD/SCLK",
        "type": "bidirectional",
        "description": "GPIO, configurable as INT0 input, that also serves as UART1 TXD output and SPI SCLK."
      },
      {
        "number": "13",
        "name": "P0.6/RXD/MOSI",
        "type": "bidirectional",
        "description": "GPIO, configurable as INT0 input, that also serves as UART1 RXD input (two-wire mode, or TXD output/RXD input in single-wire mode) and SPI MOSI (master output or slave input)."
      },
      {
        "number": "14",
        "name": "P0.7/MISO/TIM2S/QEPA",
        "type": "bidirectional",
        "description": "GPIO that also serves as SPI MISO (master input or slave output), Timer2 input/output after function switching, and QEP encoder A input."
      },
      {
        "number": "15",
        "name": "P1.0/TIM2/QEPB",
        "type": "bidirectional",
        "description": "GPIO, configurable as INT1 input, that also serves as Timer2 input/output and QEP encoder B input."
      },
      {
        "number": "16",
        "name": "P1.1/TIM3",
        "type": "bidirectional",
        "description": "GPIO, configurable as INT0/INT1 input, that also serves as Timer3 input/output."
      },
      {
        "number": "17",
        "name": "L_DU",
        "type": "output",
        "description": "Low-side U-phase PWM output."
      },
      {
        "number": "18",
        "name": "L_DV",
        "type": "output",
        "description": "Low-side V-phase PWM output."
      },
      {
        "number": "19",
        "name": "L_DW",
        "type": "output",
        "description": "Low-side W-phase PWM output."
      },
      {
        "number": "20",
        "name": "H_DU",
        "type": "output",
        "description": "High-side U-phase PWM output."
      },
      {
        "number": "21",
        "name": "H_DV",
        "type": "output",
        "description": "High-side V-phase PWM output."
      },
      {
        "number": "22",
        "name": "H_DW",
        "type": "output",
        "description": "High-side W-phase PWM output."
      },
      {
        "number": "23",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "24",
        "name": "VDD5",
        "type": "power_in",
        "description": "Power input with a 1μF ~ 4.7μF external capacitor."
      },
      {
        "number": "25",
        "name": "P4.7/TIM3S2/RXD2S2/RSTN/FICEK",
        "type": "input",
        "description": "GPIO P4.7 input that also serves as Timer3 input and UART2 RXD input after function switching, external reset input with built-in pull-up resistor (RSTN), and FICE SCL."
      },
      {
        "number": "26",
        "name": "P1.2/TIM4S2/TXD2S2/FICED",
        "type": "bidirectional",
        "description": "GPIO, configurable as INT1 input, that also serves as Timer4 input/output and UART2 TXD output after function switching, and FICE SDA."
      },
      {
        "number": "27",
        "name": "P1.3/HBIAS/C1PS/A3O/AD12",
        "type": "bidirectional",
        "description": "GPIO, configurable as INT1 input, that also serves as Hall bias power supply (internally connected to VDD5 via a switch), CMP1 positive input after switching, AMP3 output, and ADC channel 12 input."
      },
      {
        "number": "28",
        "name": "P1.4/C0P/A3M/AD10/HAL0S",
        "type": "bidirectional",
        "description": "GPIO, configurable as INT1 input, that also serves as CMP0 positive input, AMP3 negative input, ADC channel 10 input, and Hall0 logic level input after function switching."
      },
      {
        "number": "29",
        "name": "P1.5/C0M/C2PS/A3P/AD13",
        "type": "bidirectional",
        "description": "GPIO, configurable as INT1 input, that also serves as CMP0 negative input, CMP2 positive input after switching, AMP3 positive input, and ADC channel 13 input."
      },
      {
        "number": "30",
        "name": "P1.6/C1P/A1P/AD9/HAL1S",
        "type": "bidirectional",
        "description": "GPIO, configurable as INT1 input, that also serves as CMP1 positive input, AMP1 positive input, ADC channel 9 input, and Hall-IC1 logic level input after function switching."
      },
      {
        "number": "31",
        "name": "P1.7/C1M/A1M",
        "type": "bidirectional",
        "description": "GPIO, configurable as INT1 input, that also serves as CMP1 negative input and AMP1 negative input."
      },
      {
        "number": "32",
        "name": "P2.0/AD0/A1O",
        "type": "bidirectional",
        "description": "GPIO, configurable as INT1 input, that also serves as ADC channel 0 input and AMP1 output."
      },
      {
        "number": "33",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 datasheet's QFN32 pin table (Table 2-7) and pinout diagram (Figure 2-7) list pins 1-32 only. No ; Pin types are mapped to KiCad ERC classes from the per-function IO codes in Table 2-7. GPIO pins are; Pin names are shown as printed in Table 2-7 with all alternate functions, which makes them long. Des",
          "exposed pad 33 added from the footprint"
        ],
        "pages_sent": 43,
        "cost_usd": 0.1892,
        "at": "2026-10-18T17:29:37"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604440593511182336",
        "pages": 340,
        "sha256": "90037bb9049e4f63",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "fu6522n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7b482a511cdf2cf875c31931f9fea7f745b8dac2ea6203531cd6604f40a290cb",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "fu6522n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.6
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "625a74531488a56a54942defff34b353be773655d9f3f3fb4b8dd88dad776c91",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}