DP83848CVVX

{
  "slug": "dp83848cvvx",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Ethernet Transceivers, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "dp83848cvvx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "dp83848cvvx.kicad_sym",
    "dp83848cvvx.kicad_mod",
    "dp83848cvvx.glb",
    "dp83848cvvx.step",
    "dp83848cvvx.lbr",
    "docs/hero.png",
    "docs/dp83848cvvx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "DP83848CVVX",
    "manufacturer": "Texas Instruments",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Interface",
    "subcategory": "Ethernet Transceivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/dp83848c",
    "parts": {
      "symbol": "dp83848cvvx.kicad_sym",
      "footprint": "dp83848cvvx.kicad_mod",
      "model_3d": "dp83848cvvx-etched.glb",
      "model_3d_plain": "dp83848cvvx.glb",
      "model_3d_step": "dp83848cvvx-etched.step",
      "model_3d_step_plain": "dp83848cvvx.step",
      "lbr": "dp83848cvvx.lbr"
    },
    "distributor_links": {
      "lcsc": "C16688"
    },
    "distributor_check": {
      "checked_at": "2026-09-26T13:58:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TX_CLK",
        "type": "output",
        "description": "MII transmit clock: 25 MHz output in 100 Mb/s mode or 2.5 MHz in 10 Mb/s mode; unused in RMII mode where X1 reference clock is used."
      },
      {
        "number": "2",
        "name": "TX_EN",
        "type": "input",
        "description": "MII transmit enable: active high input with weak pulldown indicating presence of valid transmit data on TXD[3:0]."
      },
      {
        "number": "3",
        "name": "TXD_0",
        "type": "input",
        "description": "MII transmit data bit 0: accepts transmit data synchronous to TX_CLK (25 MHz for 100 Mb/s, 2.5 MHz for 10 Mb/s)."
      },
      {
        "number": "4",
        "name": "TXD_1",
        "type": "input",
        "description": "MII transmit data bit 1: accepts transmit data synchronous to TX_CLK (25 MHz for 100 Mb/s, 2.5 MHz for 10 Mb/s)."
      },
      {
        "number": "5",
        "name": "TXD_2",
        "type": "input",
        "description": "MII transmit data bit 2: accepts transmit data synchronous to TX_CLK (25 MHz for 100 Mb/s, 2.5 MHz for 10 Mb/s)."
      },
      {
        "number": "6",
        "name": "TXD_3/SNI_MODE",
        "type": "input",
        "description": "MII transmit data bit 3 or SNI transmit data in serial mode; strapping pin for SNI_MODE configuration with weak pulldown."
      },
      {
        "number": "7",
        "name": "PWR_DOWN/INT",
        "type": "input",
        "description": "Power down active low input (default) or open drain interrupt output when INT_OE bit set in MICR register; weak internal pullup."
      },
      {
        "number": "8",
        "name": "TCK",
        "type": "input",
        "description": "JTAG test clock input for DP83848I/VYB/YB devices; weak internal pullup; DP83848C does not support JTAG."
      },
      {
        "number": "9",
        "name": "TDO",
        "type": "output",
        "description": "JTAG test output for DP83848I/VYB/YB devices; DP83848C does not support JTAG."
      },
      {
        "number": "10",
        "name": "TMS",
        "type": "input",
        "description": "JTAG test mode select input for DP83848I/VYB/YB devices; weak internal pullup; DP83848C does not support JTAG."
      },
      {
        "number": "11",
        "name": "TRST#",
        "type": "input",
        "description": "JTAG test reset active low asynchronous input for DP83848I/VYB/YB devices; weak internal pullup; DP83848C does not support JTAG."
      },
      {
        "number": "12",
        "name": "TDI",
        "type": "input",
        "description": "JTAG test data input for DP83848I/VYB/YB devices; weak internal pullup; DP83848C does not support JTAG."
      },
      {
        "number": "13",
        "name": "RD-",
        "type": "input",
        "description": "Differential receive input pair (PMD Input Pair) for 10BASE-T or 100BASE-TX signaling; requires 3.3-V bias and can be used as transmit output in Auto-MDIX mode."
      },
      {
        "number": "14",
        "name": "RD+",
        "type": "input",
        "description": "Differential receive input pair (PMD Input Pair) for 10BASE-T or 100BASE-TX signaling; requires 3.3-V bias and can be used as transmit output in Auto-MDIX mode."
      },
      {
        "number": "15",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground connection for signal conditioning circuits."
      },
      {
        "number": "16",
        "name": "TD-",
        "type": "output",
        "description": "Differential transmit output pair (PMD Output Pair) for 10BASE-T or 100BASE-TX signaling; requires 3.3-V bias and can be used as receive input in Auto-MDIX mode."
      },
      {
        "number": "17",
        "name": "TD+",
        "type": "output",
        "description": "Differential transmit output pair (PMD Output Pair) for 10BASE-T or 100BASE-TX signaling; requires 3.3-V bias and can be used as receive input in Auto-MDIX mode."
      },
      {
        "number": "18",
        "name": "PFBIN1",
        "type": "input",
        "description": "Power feedback input pin fed from PFBOUT; 0.1 µF capacitor should be placed close to this pin."
      },
      {
        "number": "19",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground connection for signal conditioning circuits."
      },
      {
        "number": "20",
        "name": "RESERVED",
        "type": "unconnected",
        "description": "Reserved pin: must be pulled-up through 2.2 kΩ resistor to AVDD33 supply."
      },
      {
        "number": "21",
        "name": "RESERVED",
        "type": "unconnected",
        "description": "Reserved pin: must be pulled-up through 2.2 kΩ resistor to AVDD33 supply."
      },
      {
        "number": "22",
        "name": "AVDD33",
        "type": "power_in",
        "description": "Analog 3.3-V power supply input."
      },
      {
        "number": "23",
        "name": "PFBOUT",
        "type": "output",
        "description": "Power feedback output: parallel 10 µF (tantalum preferred) and 0.1 µF capacitors should be placed close to this pin and connected to PFBIN1 and PFBIN2."
      },
      {
        "number": "24",
        "name": "RBIAS",
        "type": "input",
        "description": "Bias resistor connection: 4.87 kΩ 1% resistor should be connected from this pin to ground."
      },
      {
        "number": "25",
        "name": "CLK_OUT",
        "type": "output",
        "description": "Clock output: provides 25 MHz output in MII mode or 50 MHz in RMII mode for use by external devices."
      },
      {
        "number": "26",
        "name": "LED_ACT/COL/AN_EN",
        "type": "output",
        "description": "LED output for activity or collision indication, or duplex status in Mode 3; serves as AN_EN strapping pin for auto-negotiation enable with weak pullup."
      },
      {
        "number": "27",
        "name": "LED_SPEED/AN1",
        "type": "output",
        "description": "Speed LED output: on in 100 Mb/s, off in 10 Mb/s; serves as AN1 strapping pin for auto-negotiation mode selection."
      },
      {
        "number": "28",
        "name": "LED_LINK/AN0",
        "type": "output",
        "description": "Link LED output indicating link status or activity/blink depending on mode; serves as AN0 strapping pin for auto-negotiation with weak pullup."
      },
      {
        "number": "29",
        "name": "RESET_N",
        "type": "input",
        "description": "Reset active low input: asserting low for minimum 1 µs forces device reset and re-initialization of all registers to default states; weak internal pullup."
      },
      {
        "number": "30",
        "name": "MDIO",
        "type": "bidirectional",
        "description": "Management data I/O: bi-directional serial interface pin for register access; requires 1.5 kΩ external pullup resistor."
      },
      {
        "number": "31",
        "name": "MDC",
        "type": "input",
        "description": "Management data clock: synchronous clock for MDIO serial interface with maximum clock rate of 25 MHz and no minimum rate."
      },
      {
        "number": "32",
        "name": "IOVDD33",
        "type": "power_in",
        "description": "I/O 3.3-V power supply input."
      },
      {
        "number": "33",
        "name": "X2",
        "type": "output",
        "description": "Crystal output: connect to 25 MHz external crystal resonator device; leave unconnected if using external CMOS oscillator."
      },
      {
        "number": "34",
        "name": "X1",
        "type": "input",
        "description": "Crystal/oscillator input: primary clock reference input for 25 MHz (MII mode) or 50 MHz (RMII mode) at 0.005% (±50 ppm); supports crystal or CMOS oscillator."
      },
      {
        "number": "35",
        "name": "IOGND",
        "type": "power_in",
        "description": "I/O ground connection."
      },
      {
        "number": "36",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital ground connection."
      },
      {
        "number": "37",
        "name": "PFBIN2",
        "type": "input",
        "description": "Power feedback input pin fed from PFBOUT; 0.1 µF capacitor should be placed close to this pin."
      },
      {
        "number": "38",
        "name": "RX_CLK",
        "type": "output",
        "description": "MII receive clock: provides 25 MHz recovered receive clock for 100 Mb/s mode or 2.5 MHz for 10 Mb/s mode; unused in RMII mode."
      },
      {
        "number": "39",
        "name": "RX_DV/MII_MODE",
        "type": "output",
        "description": "MII receive data valid: asserted high to indicate valid data on RXD[3:0]; serves as MII_MODE strapping pin with weak pulldown for mode selection."
      },
      {
        "number": "40",
        "name": "CRS/CRS_DV/LED_CFG",
        "type": "output",
        "description": "Carrier sense or CRS_DV in RMII mode: asserted high to indicate receive medium is non-idle; serves as LED_CFG strapping pin with weak pullup."
      },
      {
        "number": "41",
        "name": "RX_ER/MDIX_EN",
        "type": "output",
        "description": "MII receive error: asserted high to indicate invalid symbol detection; serves as MDIX_EN strapping pin with weak pullup for auto-MDIX enable."
      },
      {
        "number": "42",
        "name": "COL/PHYAD0",
        "type": "output",
        "description": "Collision detect: asserted high for collision in half duplex or heartbeat in 10 Mb/s half duplex; serves as PHYAD0 (PHY address bit 0) strapping pin with weak pullup."
      },
      {
        "number": "43",
        "name": "RXD_0/PHYAD1",
        "type": "output",
        "description": "MII receive data bit 0: driven synchronously to RX_CLK with valid data when RX_DV asserted; serves as PHYAD1 strapping pin with weak pulldown."
      },
      {
        "number": "44",
        "name": "RXD_1/PHYAD2",
        "type": "output",
        "description": "MII receive data bit 1: driven synchronously to RX_CLK with valid data when RX_DV asserted; serves as PHYAD2 strapping pin with weak pulldown."
      },
      {
        "number": "45",
        "name": "RXD_2/PHYAD3",
        "type": "output",
        "description": "MII receive data bit 2: driven synchronously to RX_CLK with valid data when RX_DV asserted; serves as PHYAD3 strapping pin with weak pulldown."
      },
      {
        "number": "46",
        "name": "RXD_3/PHYAD4",
        "type": "output",
        "description": "MII receive data bit 3: driven synchronously to RX_CLK with valid data when RX_DV asserted; serves as PHYAD4 strapping pin with weak pulldown."
      },
      {
        "number": "47",
        "name": "IOGND",
        "type": "power_in",
        "description": "I/O ground connection."
      },
      {
        "number": "48",
        "name": "IOVDD33",
        "type": "power_in",
        "description": "I/O 3.3-V power supply input."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: GNDPAD (thermal pad): Datasheet lists 49 items but LQFP-48 package specification shows 48 signal pin; Multiple pins serve dual/triple functions as both signal pins and strapping configuration pins (samp; PWR_DOWN/INT (pin 7): Multiplexed function configurable via MICR register bit 0 (INT_OE) - default i"
        ],
        "pages_sent": 91,
        "cost_usd": 1.1277,
        "at": "2026-09-26T13:57:48"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/dp83848c",
        "pages": 91,
        "sha256": "bf8147a3a31c031d",
        "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": "dp83848cvvx.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "dp83848cvvx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "94cc75f22beef66eaef258fe857d8c3cf7e68f0b2855316c94585ced50c58275",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}