DM8203IEP

{
  "slug": "dm8203iep",
  "version": "0.1.0",
  "type": "component",
  "description": "DAVICOM Ethernet Controllers, LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "dm8203iep",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dm8203iep.kicad_sym",
    "dm8203iep.kicad_mod",
    "dm8203iep.glb",
    "dm8203iep.step",
    "dm8203iep.lbr",
    "docs/hero.png",
    "docs/dm8203iep-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "dm8203iep-hero.glb",
    "dm8203iep-hero.overlay.json",
    "dm8203iep-etched.glb"
  ],
  "component": {
    "mpn": "DM8203IEP",
    "manufacturer": "DAVICOM",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Interface",
    "subcategory": "Ethernet Controllers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b3366dee5772839e4decd24eb14ae045.pdf",
    "parts": {
      "symbol": "dm8203iep.kicad_sym",
      "footprint": "dm8203iep.kicad_mod",
      "model_3d": "dm8203iep-hero.glb",
      "model_3d_plain": "dm8203iep-etched.glb",
      "model_3d_step": "dm8203iep-etched.step",
      "model_3d_step_plain": "dm8203iep.step",
      "lbr": "dm8203iep.lbr"
    },
    "distributor_links": {
      "lcsc": "C33959949"
    },
    "distributor_check": {
      "checked_at": "2026-10-24T00:17:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DVDD33",
        "type": "power_in",
        "description": "Digital 3.3V power supply."
      },
      {
        "number": "2",
        "name": "PHY_MDC",
        "type": "output",
        "description": "MII serial management data clock (internal pull-down); not used in Reverse MII mode."
      },
      {
        "number": "3",
        "name": "PHY_MDIO",
        "type": "bidirectional",
        "description": "MII serial management data; not used in Reverse MII mode."
      },
      {
        "number": "4",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "5",
        "name": "P2_TXD3",
        "type": "output",
        "description": "Port 2 MII/RevMII transmit data bit 3 (internal pull-down, not used in RMII); strap with P2_TXD2 selects P2 mode (00 MII, 01 Reverse MII, 10 RMII, 11 LFP enabled/MII)."
      },
      {
        "number": "6",
        "name": "P2_TXD2",
        "type": "output",
        "description": "Port 2 MII/RevMII transmit data bit 2 (internal pull-down, not used in RMII); strap with P2_TXD3 selects P2 mode."
      },
      {
        "number": "7",
        "name": "P2_TXD1",
        "type": "output",
        "description": "Port 2 MII/RMII/RevMII transmit data bit 1 (internal pull-down)."
      },
      {
        "number": "8",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "9",
        "name": "P2_TXD0",
        "type": "output",
        "description": "Port 2 MII/RMII/RevMII transmit data bit 0 (internal pull-down)."
      },
      {
        "number": "10",
        "name": "P2_TXE",
        "type": "output",
        "description": "Port 2 transmit enable (internal pull-down); strap at reset: 0 = port 2 normal mode, 1 = port 2 force mode."
      },
      {
        "number": "11",
        "name": "DVDD18",
        "type": "power_in",
        "description": "Digital 1.8V power supply."
      },
      {
        "number": "12",
        "name": "P2_TXC",
        "type": "bidirectional",
        "description": "Port 2 MII transmit clock (input in MII); 50MHz clock output in RMII; transmit clock output in Reverse MII."
      },
      {
        "number": "13",
        "name": "DVDD33",
        "type": "power_in",
        "description": "Digital 3.3V power supply."
      },
      {
        "number": "14",
        "name": "P2_TXER",
        "type": "output",
        "description": "Port 2 MII/RevMII transmit error (not used in RMII); strap at reset: 0 = port 1 TP mode, 1 = port 1 fiber mode."
      },
      {
        "number": "15",
        "name": "P2_CRS",
        "type": "bidirectional",
        "description": "Port 2 MII carrier sense (input); RMII CRS_DV input; output in Reverse MII."
      },
      {
        "number": "17",
        "name": "P2_COL",
        "type": "bidirectional",
        "description": "Port 2 MII collision detect (input); not used in RMII (tie to ground); output in Reverse MII."
      },
      {
        "number": "16",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "18",
        "name": "P2_RXER",
        "type": "input",
        "description": "Port 2 MII/RevMII receive error; not used in RMII, tie to ground."
      },
      {
        "number": "19",
        "name": "P2_RXC",
        "type": "input",
        "description": "Port 2 MII/RevMII receive clock; 50MHz reference clock input in RMII."
      },
      {
        "number": "20",
        "name": "P2_RXDV",
        "type": "input",
        "description": "Port 2 MII/RevMII receive data valid; not used in RMII, tie to ground."
      },
      {
        "number": "21",
        "name": "P2_RXD3",
        "type": "input",
        "description": "Port 2 MII/RevMII receive data bit 3; not used in RMII, tie to ground."
      },
      {
        "number": "22",
        "name": "P2_RXD2",
        "type": "input",
        "description": "Port 2 MII/RevMII receive data bit 2; not used in RMII, tie to ground."
      },
      {
        "number": "23",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "24",
        "name": "P2_RXD1",
        "type": "input",
        "description": "Port 2 MII/RMII/RevMII receive data bit 1."
      },
      {
        "number": "25",
        "name": "P2_RXD0",
        "type": "input",
        "description": "Port 2 MII/RMII/RevMII receive data bit 0."
      },
      {
        "number": "26",
        "name": "DVDD33",
        "type": "power_in",
        "description": "Digital 3.3V power supply."
      },
      {
        "number": "27",
        "name": "EEDIO",
        "type": "bidirectional",
        "description": "EEPROM data in/out."
      },
      {
        "number": "28",
        "name": "EECK",
        "type": "output",
        "description": "EEPROM serial clock (internal pull-down); strap at reset: 0 = port 2 forced 10 Mbps, 1 = forced 100 Mbps."
      },
      {
        "number": "29",
        "name": "EECS",
        "type": "output",
        "description": "EEPROM chip select (internal pull-down); strap at reset: 0 = port 0 TP mode, 1 = port 0 fiber mode."
      },
      {
        "number": "30",
        "name": "PWRST#",
        "type": "input",
        "description": "Active-low power-on reset, minimum 1ms low."
      },
      {
        "number": "31",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "32",
        "name": "TEST1",
        "type": "input",
        "description": "Test pin 1 (internal pull-down); tie to DVDD33 in application."
      },
      {
        "number": "33",
        "name": "AVDD18",
        "type": "power_in",
        "description": "Analog 1.8V power supply."
      },
      {
        "number": "34",
        "name": "P1_TX+",
        "type": "bidirectional",
        "description": "Port 1 twisted-pair TX+; transmit in MDI mode or receive in MDIX mode."
      },
      {
        "number": "35",
        "name": "P1_TX-",
        "type": "bidirectional",
        "description": "Port 1 twisted-pair TX-; transmit in MDI mode or receive in MDIX mode."
      },
      {
        "number": "36",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "37",
        "name": "P1_RX+",
        "type": "bidirectional",
        "description": "Port 1 twisted-pair RX+; receive in MDI mode or transmit in MDIX mode."
      },
      {
        "number": "38",
        "name": "P1_RX-",
        "type": "bidirectional",
        "description": "Port 1 twisted-pair RX-; receive in MDI mode or transmit in MDIX mode."
      },
      {
        "number": "39",
        "name": "AVDD33",
        "type": "power_in",
        "description": "Analog 3.3V power supply."
      },
      {
        "number": "40",
        "name": "AVDD18",
        "type": "power_in",
        "description": "Analog 1.8V power supply."
      },
      {
        "number": "41",
        "name": "P0_TX+",
        "type": "bidirectional",
        "description": "Port 0 twisted-pair TX+; transmit in MDI mode or receive in MDIX mode."
      },
      {
        "number": "42",
        "name": "P0_TX-",
        "type": "bidirectional",
        "description": "Port 0 twisted-pair TX-; transmit in MDI mode or receive in MDIX mode."
      },
      {
        "number": "43",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "44",
        "name": "P0_RX+",
        "type": "bidirectional",
        "description": "Port 0 twisted-pair RX+; receive in MDI mode or transmit in MDIX mode."
      },
      {
        "number": "45",
        "name": "P0_RX-",
        "type": "bidirectional",
        "description": "Port 0 twisted-pair RX-; receive in MDI mode or transmit in MDIX mode."
      },
      {
        "number": "46",
        "name": "AVDD33",
        "type": "power_in",
        "description": "Analog 3.3V power supply."
      },
      {
        "number": "47",
        "name": "BGRES",
        "type": "bidirectional",
        "description": "Band-gap pin; connect a 6.8K ohm ±1% resistor to BGGND."
      },
      {
        "number": "48",
        "name": "BGGND",
        "type": "power_in",
        "description": "Band-gap ground."
      },
      {
        "number": "49",
        "name": "VCNTL",
        "type": "bidirectional",
        "description": "1.8V voltage control."
      },
      {
        "number": "50",
        "name": "VREF",
        "type": "power_in",
        "description": "Voltage reference; connect a 0.1uF capacitor to ground."
      },
      {
        "number": "51",
        "name": "AVDD33",
        "type": "power_in",
        "description": "Analog 3.3V power supply."
      },
      {
        "number": "52",
        "name": "X1",
        "type": "input",
        "description": "Crystal or oscillator 25MHz input."
      },
      {
        "number": "53",
        "name": "X2",
        "type": "output",
        "description": "Crystal 25MHz output."
      },
      {
        "number": "54",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "55",
        "name": "P1_LNK_LED",
        "type": "output",
        "description": "Port 1 link/active LED, combined link and carrier sense of internal PHY1."
      },
      {
        "number": "56",
        "name": "P1_SPD_LED",
        "type": "output",
        "description": "Port 1 speed LED; low indicates 100M, floating for 10M mode of PHY1."
      },
      {
        "number": "57",
        "name": "P0_LNK_LED",
        "type": "output",
        "description": "Port 0 link/active LED, combined link and carrier sense of internal PHY0."
      },
      {
        "number": "58",
        "name": "P0_SPD_LED",
        "type": "output",
        "description": "Port 0 speed LED; low indicates 100M, floating for 10M mode of PHY0."
      },
      {
        "number": "59",
        "name": "TEST2",
        "type": "input",
        "description": "Test pin 2 (internal pull-down); tie to DVDD33 in application."
      },
      {
        "number": "60",
        "name": "SMI_MDC",
        "type": "input",
        "description": "Serial data management interface clock."
      },
      {
        "number": "61",
        "name": "DVDD18",
        "type": "power_in",
        "description": "Digital 1.8V power supply."
      },
      {
        "number": "62",
        "name": "SMI_MDIO",
        "type": "bidirectional",
        "description": "Serial data management interface data in/out."
      },
      {
        "number": "63",
        "name": "TEST3",
        "type": "input",
        "description": "Test pin 3 (internal pull-down); tie to DVDD33 in application."
      },
      {
        "number": "64",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin diagram on page 9 is an image with no extractable text. Pin numbers come from the pin descri; Pins 2-25 change function with the P2 mode (MII, RMII or Reverse MII). Direction types follow the MI"
        ],
        "pages_sent": 14,
        "cost_usd": 0.1915,
        "at": "2026-10-24T00:16:42"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/b3366dee5772839e4decd24eb14ae045.pdf",
        "pages": 87,
        "sha256": "f1a7da6674d919be",
        "source_tier": "lcsc"
      },
      "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": "dm8203iep.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": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dm8203iep-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8ea8d303abc8c7469a1895d46f01c6d3759863304b1c7eb36e56d405b443f697",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}