CBM9001A-48AG

{
  "slug": "cbm9001a-48ag",
  "version": "0.1.0",
  "type": "component",
  "description": "Corebai Microelectronics USB Converters, TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "cbm9001a-48ag",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cbm9001a-48ag.kicad_sym",
    "cbm9001a-48ag.kicad_mod",
    "cbm9001a-48ag.glb",
    "cbm9001a-48ag.step",
    "cbm9001a-48ag.lbr",
    "docs/hero.png",
    "docs/cbm9001a-48ag-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cbm9001a-48ag-hero.glb",
    "cbm9001a-48ag-hero.overlay.json",
    "cbm9001a-48ag-etched.glb"
  ],
  "component": {
    "mpn": "CBM9001A-48AG",
    "manufacturer": "Corebai Microelectronics",
    "package": "TQFP-48(7x7)",
    "pin_count": 48,
    "category": "Interface",
    "subcategory": "USB Converters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590166335473672192",
    "parts": {
      "symbol": "cbm9001a-48ag.kicad_sym",
      "footprint": "cbm9001a-48ag.kicad_mod",
      "model_3d": "cbm9001a-48ag-hero.glb",
      "model_3d_plain": "cbm9001a-48ag-etched.glb",
      "model_3d_step": "cbm9001a-48ag-etched.step",
      "model_3d_step_plain": "cbm9001a-48ag.step",
      "lbr": "cbm9001a-48ag.lbr"
    },
    "distributor_links": {
      "lcsc": "C476309"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T20:39:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "3",
        "name": "nWR",
        "type": "input",
        "description": "Active LOW write strobe input, used with nCS to write to registers and data memory."
      },
      {
        "number": "4",
        "name": "nCS",
        "type": "input",
        "description": "Active LOW chip select input, used with nRD and nWR when accessing the device."
      },
      {
        "number": "5",
        "name": "CM",
        "type": "input",
        "description": "Clock multiplier select: tie HIGH for a 12 MHz clock source and tie to ground for a 48 MHz clock source."
      },
      {
        "number": "6",
        "name": "VDD1",
        "type": "power_in",
        "description": "+3.3 VDC power for the USB transceivers; may be connected to VDD, with a recommended supply range of 3.0 V to 3.45 V."
      },
      {
        "number": "7",
        "name": "DATA+",
        "type": "bidirectional",
        "description": "USB differential data signal, HIGH side."
      },
      {
        "number": "8",
        "name": "DATA-",
        "type": "bidirectional",
        "description": "USB differential data signal, LOW side."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection for USB."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "12",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "15",
        "name": "VDD",
        "type": "power_in",
        "description": "+3.3 VDC device power; recommended supply range 3.0 V to 3.45 V."
      },
      {
        "number": "16",
        "name": "CLK/X1",
        "type": "input",
        "description": "Clock input or external crystal X1 connection; requires an external 12 or 48 MHz matching crystal or clock source."
      },
      {
        "number": "17",
        "name": "X2",
        "type": "output",
        "description": "External crystal X2 connection."
      },
      {
        "number": "18",
        "name": "nRST",
        "type": "input",
        "description": "Device active-low reset input."
      },
      {
        "number": "19",
        "name": "INTRQ",
        "type": "output",
        "description": "Active HIGH interrupt request output to the external controller."
      },
      {
        "number": "20",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground."
      },
      {
        "number": "21",
        "name": "D0",
        "type": "bidirectional",
        "description": "Data bit 0 of the microprocessor data/address bus."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "23",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "24",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "25",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "26",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "27",
        "name": "D1",
        "type": "bidirectional",
        "description": "Data bit 1 of the microprocessor data/address bus."
      },
      {
        "number": "28",
        "name": "D2",
        "type": "bidirectional",
        "description": "Data bit 2 of the microprocessor data/address bus."
      },
      {
        "number": "29",
        "name": "D3",
        "type": "bidirectional",
        "description": "Data bit 3 of the microprocessor data/address bus."
      },
      {
        "number": "30",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground."
      },
      {
        "number": "31",
        "name": "D4",
        "type": "bidirectional",
        "description": "Data bit 4 of the microprocessor data/address bus."
      },
      {
        "number": "32",
        "name": "D5",
        "type": "bidirectional",
        "description": "Data bit 5 of the microprocessor data/address bus."
      },
      {
        "number": "33",
        "name": "D6",
        "type": "bidirectional",
        "description": "Data bit 6 of the microprocessor data/address bus."
      },
      {
        "number": "34",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "35",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "36",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "37",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "38",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "39",
        "name": "D7",
        "type": "bidirectional",
        "description": "Data bit 7 of the microprocessor data/address bus."
      },
      {
        "number": "40",
        "name": "M/S",
        "type": "input",
        "description": "Master/slave mode select: '1' selects slave and '0' selects master."
      },
      {
        "number": "41",
        "name": "VDD",
        "type": "power_in",
        "description": "+3.3 VDC device power; recommended supply range 3.0 V to 3.45 V."
      },
      {
        "number": "42",
        "name": "A0",
        "type": "input",
        "description": "Address select: '0' selects the address pointer register and '1' selects a data buffer or register."
      },
      {
        "number": "43",
        "name": "nDACK",
        "type": "input",
        "description": "Active LOW DMA acknowledge input for an external DMA controller; DMA is enabled only in slave mode, so this pin must be tied HIGH in host mode."
      },
      {
        "number": "44",
        "name": "nDRQ",
        "type": "output",
        "description": "Active LOW DMA request output that forms the handshake with nDACK; leave unconnected in host mode."
      },
      {
        "number": "45",
        "name": "nRD",
        "type": "input",
        "description": "Active LOW read strobe input, used with nCS to read registers and data memory."
      },
      {
        "number": "46",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "47",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      },
      {
        "number": "48",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; NC pins must be left unconnected."
      }
    ],
    "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: Pin numbering was taken from the Table 34 pin list (pages 21-22). The 48-pin TQFP layout drawing on ; Pins 43 and 44 change function between modes: nDACK must be tied HIGH in host mode and nDRQ is left ; Table 34 pin 4 (nCS) description contains garbled text ('Used with nRD and nWr when accessing the 48"
        ],
        "pages_sent": 6,
        "cost_usd": 0.055,
        "at": "2026-10-18T20:39:00"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590166335473672192",
        "pages": 29,
        "sha256": "ce50f0aa730cf739",
        "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": "cbm9001a-48ag.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "14ca7676e4932e92f0eca0c6d56ce3018cd28a2531204a70ab7bbacb3eeb3cf5",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cbm9001a-48ag-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "43b11df6d6efe66fa1b9f4efff34d196a2301b1c6f6a37ea2c3e52c243baa7c1",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}