DM9000CIEP

{
  "slug": "dm9000ciep",
  "version": "0.1.0",
  "type": "component",
  "description": "DAVICOM Ethernet ICs, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "dm9000ciep",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "dm9000ciep.step",
    "dm9000ciep.lbr",
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    "docs/dm9000ciep-datasheet.pdf",
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    "viewers/footprint.html",
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  "component": {
    "mpn": "DM9000CIEP",
    "manufacturer": "DAVICOM",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Interface ICs",
    "subcategory": "Ethernet ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0947f44d8b1e4293b6199d54453f03f8.pdf",
    "parts": {
      "symbol": "dm9000ciep.kicad_sym",
      "footprint": "dm9000ciep.kicad_mod",
      "model_3d": "dm9000ciep-hero.glb",
      "model_3d_plain": "dm9000ciep-etched.glb",
      "model_3d_step": "dm9000ciep-etched.step",
      "model_3d_step_plain": "dm9000ciep.step",
      "lbr": "dm9000ciep.lbr"
    },
    "distributor_links": {
      "lcsc": "C24159"
    },
    "distributor_check": {
      "checked_at": "2026-10-25T09:27:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "BGRES",
        "type": "bidirectional",
        "description": "Band gap pin; the datasheet states no further function or limit for it."
      },
      {
        "number": "2",
        "name": "RXVDD18",
        "type": "power_out",
        "description": "1.8V power output for the twisted-pair receive circuitry, supplied by the internal 3.3V-to-1.8V regulator."
      },
      {
        "number": "3",
        "name": "RX+",
        "type": "bidirectional",
        "description": "Twisted-pair receive pin, acting as the receive input in MDI mode or the transmit output in MDIX mode."
      },
      {
        "number": "4",
        "name": "RX-",
        "type": "bidirectional",
        "description": "Twisted-pair receive pin, acting as the receive input in MDI mode or the transmit output in MDIX mode."
      },
      {
        "number": "5",
        "name": "RXGND",
        "type": "power_in",
        "description": "Ground for the twisted-pair receive circuitry."
      },
      {
        "number": "6",
        "name": "TXGND",
        "type": "power_in",
        "description": "Ground for the twisted-pair transmit circuitry."
      },
      {
        "number": "7",
        "name": "TX+",
        "type": "bidirectional",
        "description": "Twisted-pair transmit pin, acting as the transmit output in MDI mode or the receive input in MDIX mode."
      },
      {
        "number": "8",
        "name": "TX-",
        "type": "bidirectional",
        "description": "Twisted-pair transmit pin, acting as the transmit output in MDI mode or the receive input in MDIX mode."
      },
      {
        "number": "9",
        "name": "TXVDD18",
        "type": "power_out",
        "description": "1.8V power output for the twisted-pair transmit circuitry, supplied by the internal regulator."
      },
      {
        "number": "10",
        "name": "SD7",
        "type": "bidirectional",
        "description": "Processor data bus bit 7 in 16-bit and 8-bit modes; internal pull-low of about 60K."
      },
      {
        "number": "11",
        "name": "SD6",
        "type": "bidirectional",
        "description": "Processor data bus bit 6; internal pull-low of about 60K."
      },
      {
        "number": "12",
        "name": "SD5",
        "type": "bidirectional",
        "description": "Processor data bus bit 5; internal pull-low of about 60K."
      },
      {
        "number": "13",
        "name": "SD4",
        "type": "bidirectional",
        "description": "Processor data bus bit 4; internal pull-low of about 60K."
      },
      {
        "number": "14",
        "name": "SD3",
        "type": "bidirectional",
        "description": "Processor data bus bit 3; internal pull-low of about 60K."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "16",
        "name": "SD2",
        "type": "bidirectional",
        "description": "Processor data bus bit 2; internal pull-low of about 60K."
      },
      {
        "number": "17",
        "name": "SD1",
        "type": "bidirectional",
        "description": "Processor data bus bit 1; internal pull-low of about 60K."
      },
      {
        "number": "18",
        "name": "SD0",
        "type": "bidirectional",
        "description": "Processor data bus bit 0; internal pull-low of about 60K."
      },
      {
        "number": "19",
        "name": "EEDIO",
        "type": "bidirectional",
        "description": "Data input/output to and from the EEPROM."
      },
      {
        "number": "20",
        "name": "EECK",
        "type": "output",
        "description": "Clock output to the EEPROM; this pin is also the strap that sets INT polarity (pulled high gives INT active low)."
      },
      {
        "number": "21",
        "name": "EECS",
        "type": "output",
        "description": "Chip-select output to the EEPROM; this pin is also the strap that sets the memory data bus width (pulled high gives 8-bit, otherwise 16-bit)."
      },
      {
        "number": "22",
        "name": "SD15",
        "type": "bidirectional",
        "description": "Processor data bus bit 15 in 16-bit mode; in 8-bit mode this pin is WAKE (wake-up signal output and CS# polarity strap)."
      },
      {
        "number": "23",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital 3.3V power input."
      },
      {
        "number": "24",
        "name": "SD14",
        "type": "bidirectional",
        "description": "Processor data bus bit 14 in 16-bit mode; in 8-bit mode this pin is LED3 (full-duplex LED output)."
      },
      {
        "number": "25",
        "name": "SD13",
        "type": "bidirectional",
        "description": "Processor data bus bit 13 in 16-bit mode; in 8-bit mode this pin is GP6 (general-purpose output and INT output-type strap)."
      },
      {
        "number": "26",
        "name": "SD12",
        "type": "bidirectional",
        "description": "Processor data bus bit 12 in 16-bit mode; in 8-bit mode this pin is GP5 (general-purpose output)."
      },
      {
        "number": "27",
        "name": "SD11",
        "type": "bidirectional",
        "description": "Processor data bus bit 11 in 16-bit mode; in 8-bit mode this pin is GP4 (general-purpose output)."
      },
      {
        "number": "28",
        "name": "SD10",
        "type": "bidirectional",
        "description": "Processor data bus bit 10 in 16-bit mode; in 8-bit mode this pin is GP3 (general-purpose I/O, input at default)."
      },
      {
        "number": "29",
        "name": "SD9",
        "type": "bidirectional",
        "description": "Processor data bus bit 9 in 16-bit mode; in 8-bit mode this pin is GP2 (general-purpose I/O, input at default)."
      },
      {
        "number": "30",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital 3.3V power input."
      },
      {
        "number": "31",
        "name": "SD8",
        "type": "bidirectional",
        "description": "Processor data bus bit 8 in 16-bit mode; in 8-bit mode this pin is GP1 (general-purpose I/O, input at default)."
      },
      {
        "number": "32",
        "name": "CMD",
        "type": "input",
        "description": "Command type select: high selects the DATA port access, low selects the INDEX port access."
      },
      {
        "number": "33",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "34",
        "name": "INT",
        "type": "output",
        "description": "Interrupt request output, high active by default and low active when set by the EEPROM or the EECK strap."
      },
      {
        "number": "35",
        "name": "IOR#",
        "type": "input",
        "description": "Processor read command, low active by default with polarity modifiable through EEPROM setting."
      },
      {
        "number": "36",
        "name": "IOW#",
        "type": "input",
        "description": "Processor write command, low active by default with polarity modifiable through EEPROM setting."
      },
      {
        "number": "37",
        "name": "CS#",
        "type": "input",
        "description": "Chip select, low active by default to select the DM9000C/CI, with polarity modifiable through EEPROM setting."
      },
      {
        "number": "38",
        "name": "LED2",
        "type": "bidirectional",
        "description": "Link/Active LED; in LED mode 1 it combines link and carrier sense, in LED mode 0 it shows carrier sense only, and it is disabled when this pin is used for WOL."
      },
      {
        "number": "39",
        "name": "LED1",
        "type": "bidirectional",
        "description": "Speed LED; low output indicates 100M/S operation, and the pin floats for 10M operation."
      },
      {
        "number": "40",
        "name": "PWRST#",
        "type": "input",
        "description": "Active-low power-on reset; the device is ready 5us after this pin is deasserted."
      },
      {
        "number": "41",
        "name": "TEST",
        "type": "input",
        "description": "Operation mode pin that must be forced to ground in normal application."
      },
      {
        "number": "42",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital 3.3V power input."
      },
      {
        "number": "43",
        "name": "X2",
        "type": "output",
        "description": "25MHz crystal output."
      },
      {
        "number": "44",
        "name": "X1",
        "type": "input",
        "description": "25MHz crystal input."
      },
      {
        "number": "45",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "46",
        "name": "SD",
        "type": "input",
        "description": "Fiber-optic signal detect, PECL level, indicating whether the fiber receive pair is receiving valid levels."
      },
      {
        "number": "47",
        "name": "RXGND",
        "type": "power_in",
        "description": "Ground for the twisted-pair receive circuitry."
      },
      {
        "number": "48",
        "name": "BGGND",
        "type": "power_in",
        "description": "Band gap ground."
      }
    ],
    "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 gives two pin configurations for the same 48-pin package. This pinout is the 16-bit mo; The pin-configuration diagram text in the extract is scrambled, so pin positions were taken from the; The datasheet names pin 1 only as 'Band gap Pin' and gives no further function or limit, so its desc"
        ],
        "pages_sent": 18,
        "cost_usd": 0.1059,
        "at": "2026-10-25T09:27:05"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/0947f44d8b1e4293b6199d54453f03f8.pdf",
        "pages": 63,
        "sha256": "fc082ed410a7a3ec",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "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": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-25",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dm9000ciep-etched.step",
        "role": "eda",
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        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "sha256": "fb430f51ef317709505437dd373b4855965fe3fc52da8d0086fbbb9cbd384ead",
        "checked": "2026-10-25",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}