CMT2310A-EQR

{
  "schema_version": 1,
  "type": "component",
  "slug": "cmt2310a-eqr",
  "title": "CMT2310A-EQR",
  "brief": "HopeRF Micro electronics RF Transceiver ICs, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "rf and wireless",
    "cmt2310a-eqr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CMT2310A-EQR",
    "manufacturer": "HopeRF Micro electronics",
    "package": "QFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "RF And Wireless",
    "subcategory": "RF Transceiver ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/453decbc8b3fe6f267bae6c7a973b935.pdf",
    "parts": {
      "symbol": "cmt2310a-eqr.kicad_sym",
      "footprint": "cmt2310a-eqr.kicad_mod",
      "model_3d": "cmt2310a-eqr-etched.glb",
      "model_3d_plain": "cmt2310a-eqr.glb",
      "model_3d_step": "cmt2310a-eqr-etched.step",
      "model_3d_step_plain": "cmt2310a-eqr.step",
      "lbr": "cmt2310a-eqr.lbr"
    },
    "distributor_links": {
      "lcsc": "C32713219"
    },
    "pins": [
      {
        "number": "1",
        "name": "RFP",
        "type": "input",
        "description": "RF signal input positive terminal with differential input impedance 150Ω||0.8pF at 433MHz and 134Ω||1.0pF at 868MHz."
      },
      {
        "number": "2",
        "name": "RFN",
        "type": "input",
        "description": "RF signal input negative terminal with differential input impedance 150Ω||0.8pF at 433MHz and 134Ω||1.0pF at 868MHz."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; leave floating or unconnected."
      },
      {
        "number": "4",
        "name": "TX",
        "type": "output",
        "description": "PA output for RF transmission with configurable output power range -10 to +20 dBm at 1dB step resolution."
      },
      {
        "number": "5",
        "name": "PA_VDD",
        "type": "power_in",
        "description": "Power supply for power amplifier section with supply voltage range 1.8-3.6V."
      },
      {
        "number": "6",
        "name": "VIO",
        "type": "power_in",
        "description": "Power supply for SPI interface and GPIO outputs with supply voltage range 1.8-3.6V."
      },
      {
        "number": "7",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "Configurable general-purpose I/O pin that can be configured as DOUT, INT1, INT2, DCLK, CLKO, or LFCLKO per register settings."
      },
      {
        "number": "8",
        "name": "GPIO5_RST",
        "type": "bidirectional",
        "description": "Configurable general-purpose I/O pin that can be configured as RSTn, INT1, INT2, DOUT, or DCLK per register settings."
      },
      {
        "number": "9",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital core power supply with supply voltage range 1.8-3.6V."
      },
      {
        "number": "10",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog circuit power supply with supply voltage range 1.8-3.6V."
      },
      {
        "number": "11",
        "name": "DC_VSW",
        "type": "power_out",
        "description": "DC-DC converter switching node for external LC filter; connect to 10µH inductor for buck converter topology."
      },
      {
        "number": "12",
        "name": "VBAT",
        "type": "power_in",
        "description": "Battery or primary power supply input with supply voltage range 1.8-3.6V."
      },
      {
        "number": "13",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "Configurable general-purpose I/O pin that can be configured as INT1, INT2, DCLK, DOUT, or ANTD2 per register settings."
      },
      {
        "number": "14",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "Configurable general-purpose I/O pin that can be configured as INT1, INT2, INT3, DCLK, DOUT, or ANTD1 per register settings."
      },
      {
        "number": "15",
        "name": "SCLK",
        "type": "input",
        "description": "SPI serial clock input with maximum frequency 10MHz."
      },
      {
        "number": "16",
        "name": "SDO",
        "type": "output",
        "description": "SPI serial data output driven on SCLK falling edge with output levels 0.4V (low) and VDD-0.4V (high)."
      },
      {
        "number": "17",
        "name": "SDI",
        "type": "input",
        "description": "SPI serial data input sampled on SCLK rising edge with input voltage levels 0.2×VDD (low) and VDD-0.4V (high)."
      },
      {
        "number": "18",
        "name": "CSB",
        "type": "input",
        "description": "SPI chip select input, active low, determines when SPI transaction is enabled."
      },
      {
        "number": "19",
        "name": "XI",
        "type": "input",
        "description": "Crystal oscillator input for 32MHz reference clock with 12pF load capacitance requirement."
      },
      {
        "number": "20",
        "name": "XO",
        "type": "output",
        "description": "Crystal oscillator output for 32MHz reference clock with 12pF load capacitance requirement."
      },
      {
        "number": "21",
        "name": "NIRQ",
        "type": "bidirectional",
        "description": "Configurable interrupt output or general-purpose I/O pin that can be configured as INT1, INT2, DCLK, DOUT, or TCXO per register settings."
      },
      {
        "number": "22",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "Configurable general-purpose I/O pin that can be configured as DCLK, INT1, INT2, DOUT, or TRX_SWT per register settings."
      },
      {
        "number": "23",
        "name": "GPIO0",
        "type": "bidirectional",
        "description": "Configurable general-purpose I/O pin that can be configured as DOUT, INT1, INT2, INT3, DCLK, or TRX_SWT per register settings."
      },
      {
        "number": "24",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground reference; connect to ground plane."
      },
      {
        "number": "25",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground and exposed thermal pad; connect to ground plane."
      }
    ],
    "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": [],
        "pages_sent": 51,
        "cost_usd": 0.6199,
        "at": "2026-09-22T08:03:15"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/453decbc8b3fe6f267bae6c7a973b935.pdf",
        "pages": 51,
        "sha256": "fcff1a33a0e1c674",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cmt2310a-eqr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f7d256794c4147daf24dcae0554fae18510315e565ad1e239b475be7fef80d8b",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cmt2310a-eqr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4,
          4,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a3ff4ab45fe237ed978d40a41038fa88867a36450b2aa08bea988e5e159ac196",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HopeRF Micro electronics",
      "Package": "QFN-24-EP(4x4)",
      "Category": "RF And Wireless",
      "Pins": "25"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cmt2310a-eqr"
  ],
  "discovery_pitch": "CMT2310A-EQR (HopeRF Micro electronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cmt2310a-eqr.kicad_sym",
    "cmt2310a-eqr.kicad_mod",
    "cmt2310a-eqr.glb",
    "cmt2310a-eqr.step",
    "cmt2310a-eqr.lbr",
    "docs/hero.png",
    "docs/cmt2310a-eqr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T19:18:45.883Z"
}