KSZ8463RLI

{
  "slug": "ksz8463rli",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Interface - Specialized, LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "ksz8463rli",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ksz8463rli.kicad_sym",
    "ksz8463rli.kicad_mod",
    "ksz8463rli.glb",
    "ksz8463rli.step",
    "ksz8463rli.lbr",
    "docs/hero.png",
    "docs/ksz8463rli-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ksz8463rli-hero.glb",
    "ksz8463rli-hero.overlay.json",
    "ksz8463rli-etched.glb"
  ],
  "component": {
    "mpn": "KSZ8463RLI",
    "manufacturer": "Microchip Tech",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Interface - Specialized",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/52fe6ca1d7d2a3123611f76c6d89021b.pdf",
    "parts": {
      "symbol": "ksz8463rli.kicad_sym",
      "footprint": "ksz8463rli.kicad_mod",
      "model_3d": "ksz8463rli-hero.glb",
      "model_3d_plain": "ksz8463rli-etched.glb",
      "model_3d_step": "ksz8463rli-etched.step",
      "model_3d_step_plain": "ksz8463rli.step",
      "lbr": "ksz8463rli.lbr"
    },
    "distributor_links": {
      "lcsc": "C634205",
      "digikey": "576-4402-ND",
      "mouser": "998-KSZ8463RLI"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T15:59:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "576-4402-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "998-KSZ8463RLI",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RXM1",
        "type": "bidirectional",
        "description": "Port 1 physical receive (MDI) or transmit (MDI-X) signal, negative differential."
      },
      {
        "number": "2",
        "name": "RXP1",
        "type": "bidirectional",
        "description": "Port 1 physical receive (MDI) or transmit (MDI-X) signal, positive differential."
      },
      {
        "number": "3",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "4",
        "name": "TXM1",
        "type": "bidirectional",
        "description": "Port 1 physical transmit (MDI) or receive (MDI-X) signal, negative differential."
      },
      {
        "number": "5",
        "name": "TXP1",
        "type": "bidirectional",
        "description": "Port 1 physical transmit (MDI) or receive (MDI-X) signal, positive differential."
      },
      {
        "number": "6",
        "name": "VDD_AL",
        "type": "power_in",
        "description": "Low-voltage analog power input, to be filtered with a ferrite bead and capacitors."
      },
      {
        "number": "7",
        "name": "ISET",
        "type": "output",
        "description": "Sets the PHY transmit output current; pull down with a 6.49 kΩ (1%) resistor to ground."
      },
      {
        "number": "8",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "9",
        "name": "VDD_A3.3",
        "type": "power_in",
        "description": "3.3 V analog VDD input power supply; must be well decoupled."
      },
      {
        "number": "10",
        "name": "RXM2",
        "type": "bidirectional",
        "description": "Port 2 physical receive (MDI) or transmit (MDI-X) signal, negative differential."
      },
      {
        "number": "11",
        "name": "RXP2",
        "type": "bidirectional",
        "description": "Port 2 physical receive (MDI) or transmit (MDI-X) signal, positive differential."
      },
      {
        "number": "12",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "13",
        "name": "TXM2",
        "type": "bidirectional",
        "description": "Port 2 physical transmit (MDI) or receive (MDI-X) signal, negative differential."
      },
      {
        "number": "14",
        "name": "TXP2",
        "type": "bidirectional",
        "description": "Port 2 physical transmit (MDI) or receive (MDI-X) signal, positive differential."
      },
      {
        "number": "15",
        "name": "FXSD2",
        "type": "input",
        "description": "Fiber signal detect input for port 2 in 100BASE-FX mode; must be pulled to GND in copper mode and is available only on KSZ8463FML/FRL."
      },
      {
        "number": "16",
        "name": "VDD_COL",
        "type": "power_in",
        "description": "Second low-voltage analog power input, to be filtered with a ferrite bead and capacitors."
      },
      {
        "number": "17",
        "name": "PWRDN",
        "type": "input",
        "description": "Active-low full-chip power-down (low = power-down, high or floating = normal); while low, all I/O are tri-stated and registers return to default."
      },
      {
        "number": "18",
        "name": "X1",
        "type": "input",
        "description": "25 MHz crystal or oscillator input with ±50 ppm clock requirement; on the KSZ8463RL it can instead take a 50 MHz REFCLK_I selected by pin 41 at power-up."
      },
      {
        "number": "19",
        "name": "X2",
        "type": "output",
        "description": "Crystal connection; left as no connect when an oscillator drives X1."
      },
      {
        "number": "20",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "21",
        "name": "VDD_IO",
        "type": "power_in",
        "description": "3.3 V, 2.5 V, or 1.8 V digital I/O supply, also the input to the internal low-voltage regulator."
      },
      {
        "number": "22",
        "name": "TX_EN",
        "type": "input",
        "description": "RMII transmit enable; active high indicates valid transmit data on TXD[1:0]."
      },
      {
        "number": "23",
        "name": "TXD3/EN_REFCLKO",
        "type": "input",
        "description": "In RMII mode, pulling this pin up enables the 50 MHz REFCLK_O output on pin 32 and pulling it down disables it."
      },
      {
        "number": "24",
        "name": "TXD2/NC",
        "type": "input",
        "description": "No connect in RMII mode (not used)."
      },
      {
        "number": "25",
        "name": "TXD1",
        "type": "input",
        "description": "RMII transmit data bit 1, synchronous to the 50 MHz REFCLK."
      },
      {
        "number": "26",
        "name": "TXD0",
        "type": "input",
        "description": "RMII transmit data bit 0, synchronous to the 50 MHz REFCLK."
      },
      {
        "number": "27",
        "name": "TX_CLK/REFCLK_I",
        "type": "bidirectional",
        "description": "In RMII mode, the 50 MHz reference clock input (internal or external source)."
      },
      {
        "number": "28",
        "name": "TX_ER/MII_BP",
        "type": "input",
        "description": "No connect in RMII mode (not used)."
      },
      {
        "number": "29",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "30",
        "name": "VDD_IO",
        "type": "power_in",
        "description": "3.3 V, 2.5 V, or 1.8 V digital I/O supply, also the input to the internal low-voltage regulator."
      },
      {
        "number": "31",
        "name": "RX_DV",
        "type": "bidirectional",
        "description": "RMII receive data valid, active high indicates RXD[1:0] is valid; the power-up pull-up/no-connect or pull-down level selects PHY or MAC MII mode in MII operation."
      },
      {
        "number": "32",
        "name": "RXD3/REFCLK_O",
        "type": "bidirectional",
        "description": "In RMII mode, outputs the 50 MHz REFCLK_O clock when EN_REFCLKO (pin 23) is pulled up, with 16 mA drive."
      },
      {
        "number": "33",
        "name": "RXD2",
        "type": "bidirectional",
        "description": "Not used in RMII mode; at power-up/reset the pull-up/no-connect selects high-speed SPI (up to 50 MHz) and pull-down selects low-speed SPI (up to 12.5 MHz)."
      },
      {
        "number": "34",
        "name": "RXD1",
        "type": "bidirectional",
        "description": "RMII receive data bit 1, synchronous to the 50 MHz REFCLK; latched with RXD0 at power-up to select the serial bus mode."
      },
      {
        "number": "35",
        "name": "RXD0",
        "type": "bidirectional",
        "description": "RMII receive data bit 0, synchronous to the 50 MHz REFCLK; latched with RXD1 at power-up to select the serial bus mode (default SPI slave)."
      },
      {
        "number": "36",
        "name": "CRS/GPIO9_RLI",
        "type": "bidirectional",
        "description": "In RMII mode this pin is GPIO9 (internal pull-down), see GPIO0 pin 48 description."
      },
      {
        "number": "37",
        "name": "COL/GPIO10_RLI",
        "type": "bidirectional",
        "description": "In RMII mode this pin is GPIO10 (internal pull-down), see GPIO0 pin 48 description."
      },
      {
        "number": "38",
        "name": "RX_CLK/GPIO7_RLI",
        "type": "bidirectional",
        "description": "In RMII mode this pin is GPIO7 (internal pull-down), see GPIO0 pin 48 description."
      },
      {
        "number": "39",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "40",
        "name": "VDD_L",
        "type": "power_in",
        "description": "Low-voltage core connection: a low-voltage input when the internal regulator is not used, or the low-voltage output when it is used."
      },
      {
        "number": "41",
        "name": "SPI_DO",
        "type": "bidirectional",
        "description": "SPI slave data output (high-impedance when SPI_CSN is high); its power-up level selects 25 MHz from X1/X2 (pull-up) or 50 MHz from REFCLK_I (pull-down, KSZ8463RL/FRL only)."
      },
      {
        "number": "42",
        "name": "SPI_CSN",
        "type": "input",
        "description": "Active-low chip select for SPI slave mode; requires an external 4.7 kΩ pull-up when in use."
      },
      {
        "number": "43",
        "name": "INTRN",
        "type": "output",
        "description": "Active-low interrupt output to the host CPU; requires an external 4.7 kΩ pull-up."
      },
      {
        "number": "44",
        "name": "SPI_SCLK/MDC",
        "type": "input",
        "description": "SPI slave serial clock input in SPI mode, or MIIM MDC clock input in MIIM mode."
      },
      {
        "number": "45",
        "name": "SPI_DI/MDIO",
        "type": "bidirectional",
        "description": "SPI slave serial data input in SPI mode, or MIIM MDIO data input/output; requires an external 4.7 kΩ pull-up."
      },
      {
        "number": "46",
        "name": "GPIO8",
        "type": "bidirectional",
        "description": "General purpose I/O 8 (internal pull-down), see GPIO0 pin 48 description."
      },
      {
        "number": "47",
        "name": "GPIO11",
        "type": "bidirectional",
        "description": "General purpose I/O 11 (internal pull-up), see GPIO0 pin 48 description."
      },
      {
        "number": "48",
        "name": "GPIO0",
        "type": "bidirectional",
        "description": "General purpose I/O 0 usable for IEEE 1588 event trigger or time stamp capture, synchronized to the internal 1588 clock and directly drivable or readable by the host."
      },
      {
        "number": "49",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General purpose I/O 1 (internal pull-up), see GPIO0 pin 48 description."
      },
      {
        "number": "50",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "51",
        "name": "VDD_L",
        "type": "power_in",
        "description": "Low-voltage core connection: a low-voltage input when the internal regulator is not used, or the low-voltage output when it is used."
      },
      {
        "number": "52",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General purpose I/O 2 (internal pull-up), see GPIO0 pin 48 description."
      },
      {
        "number": "53",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "General purpose I/O 3 (internal pull-down), see GPIO0 pin 48 description."
      },
      {
        "number": "54",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "General purpose I/O 4 (internal pull-down), see GPIO0 pin 48 description."
      },
      {
        "number": "55",
        "name": "GPIO5",
        "type": "bidirectional",
        "description": "General purpose I/O 5 (internal pull-down), see GPIO0 pin 48 description."
      },
      {
        "number": "56",
        "name": "VDD_IO",
        "type": "power_in",
        "description": "3.3 V, 2.5 V, or 1.8 V digital I/O supply, also the input to the internal low-voltage regulator."
      },
      {
        "number": "57",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "58",
        "name": "GPIO6",
        "type": "bidirectional",
        "description": "General purpose I/O 6 (internal pull-up), see GPIO0 pin 48 description."
      },
      {
        "number": "59",
        "name": "P1LED1/GPIO7_MLI",
        "type": "bidirectional",
        "description": "Programmable active-low LED output for port 1 activity/status (LED on when low); in RMII mode this pin is P1LED1."
      },
      {
        "number": "60",
        "name": "P1LED0",
        "type": "bidirectional",
        "description": "Programmable LED output for port 1 status, active low (LED on when low), with internal pull-up."
      },
      {
        "number": "61",
        "name": "P2LED1/GPIO9_MLI",
        "type": "bidirectional",
        "description": "Programmable LED output for port 2 activity/status, active low; in RMII mode this pin is P2LED1."
      },
      {
        "number": "62",
        "name": "P2LED0/GPIO10_MLI",
        "type": "bidirectional",
        "description": "Programmable LED output for port 2 status, active low; in RMII mode this pin is P2LED0."
      },
      {
        "number": "63",
        "name": "RSTN",
        "type": "input",
        "description": "Active-low hardware reset input; must be held low for at least 10 ms after VDD_IO and 3.3 V are stable."
      },
      {
        "number": "64",
        "name": "FXSD1",
        "type": "input",
        "description": "Fiber signal detect input for port 1 in 100BASE-FX mode; must be pulled to GND in copper mode and is available only on KSZ8463FML/FRL."
      }
    ],
    "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 10x10 mm body size from the package hint is not confirmed in the extracted text; the datasheet o; The MPN suffix 'I' (industrial temperature grade or similar) and the exact orderable part number map; TXD2/NC (pin 24) and TX_ER/MII_BP (pin 28) are 'no connect / not used' in RMII mode, which is the RL"
        ],
        "pages_sent": 32,
        "cost_usd": 0.2054,
        "at": "2026-10-30T15:59:10"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/52fe6ca1d7d2a3123611f76c6d89021b.pdf",
        "pages": 213,
        "sha256": "6e2255020c924402",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ksz8463rli.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ksz8463rli-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bff5535a7c8bca98c549f02483d504256ee283b225cc97fa4ade1a03b6bceaa9",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}