main
Ray Set visibility: public f3316a8 11d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "jsmrc523",
  "title": "JSMRC523",
  "brief": "JSMSEMI RFID ICs, QFN-32-EP(5x5). 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",
    "jsmrc523",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "JSMRC523",
    "manufacturer": "JSMSEMI",
    "package": "QFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "RF And Wireless",
    "subcategory": "RFID ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945477143810048",
    "parts": {
      "symbol": "jsmrc523.kicad_sym",
      "footprint": "jsmrc523.kicad_mod",
      "model_3d": "jsmrc523-hero.glb",
      "model_3d_plain": "jsmrc523-etched.glb",
      "model_3d_step": "jsmrc523-etched.step",
      "model_3d_step_plain": "jsmrc523.step",
      "lbr": "jsmrc523.lbr"
    },
    "distributor_links": {
      "lcsc": "C2900653"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T01:56:21Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A1",
        "type": "input",
        "description": "Address line input."
      },
      {
        "number": "2",
        "name": "PVDD",
        "type": "power_in",
        "description": "Pin power supply."
      },
      {
        "number": "3",
        "name": "DVDD",
        "type": "power_in",
        "description": "Digital power supply."
      },
      {
        "number": "4",
        "name": "DVSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "5",
        "name": "PVSS",
        "type": "power_in",
        "description": "Pin power supply ground."
      },
      {
        "number": "6",
        "name": "NRSTPD",
        "type": "input",
        "description": "Reset and power-down input: when low, internal blocks including the oscillator stop and the input pins are disconnected from the outside; a rising edge starts the internal reset phase."
      },
      {
        "number": "7",
        "name": "SIGIN",
        "type": "input",
        "description": "Communication interface input that receives the digital serial data stream."
      },
      {
        "number": "8",
        "name": "SIGOUT",
        "type": "output",
        "description": "Communication interface output that outputs the serial data stream."
      },
      {
        "number": "9",
        "name": "SVDD",
        "type": "power_in",
        "description": "I2C pin power supply that powers the I2C pins."
      },
      {
        "number": "10",
        "name": "TVSS",
        "type": "power_in",
        "description": "Ground for the TX1 and TX2 transmitter output stages."
      },
      {
        "number": "11",
        "name": "TX1",
        "type": "output",
        "description": "Carrier transmit output 1."
      },
      {
        "number": "12",
        "name": "TVDD",
        "type": "power_in",
        "description": "Transmitter driver power supply."
      },
      {
        "number": "13",
        "name": "TX2",
        "type": "output",
        "description": "Carrier transmit output 2."
      },
      {
        "number": "14",
        "name": "TVSS",
        "type": "power_in",
        "description": "Transmitter driver power supply ground."
      },
      {
        "number": "15",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog power supply."
      },
      {
        "number": "16",
        "name": "VMID",
        "type": "power_out",
        "description": "Internal reference voltage."
      },
      {
        "number": "17",
        "name": "RX",
        "type": "input",
        "description": "RF signal input."
      },
      {
        "number": "18",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "19",
        "name": "AUX1",
        "type": "output",
        "description": "Auxiliary output for testing."
      },
      {
        "number": "20",
        "name": "AUX2",
        "type": "output",
        "description": "Auxiliary output for testing."
      },
      {
        "number": "21",
        "name": "OSCIN",
        "type": "input",
        "description": "Crystal oscillator inverting amplifier input, also usable as external clock input (fosc=27.12MHz)."
      },
      {
        "number": "22",
        "name": "OSCOUT",
        "type": "output",
        "description": "Crystal oscillator inverting amplifier output."
      },
      {
        "number": "23",
        "name": "IRQ",
        "type": "output",
        "description": "Interrupt request output indicating an interrupt event."
      },
      {
        "number": "24",
        "name": "ALE",
        "type": "input",
        "description": "Address latch enable: latches AD0-AD5 into the internal address latch when high."
      },
      {
        "number": "25",
        "name": "D1",
        "type": "bidirectional",
        "description": "Bit of the 8-bit bidirectional data bus (D1-D7); the 8-bit parallel interface is not supported, with I2C these pins can define the I2C address, with serial interfaces they can be used as test signals or I/O."
      },
      {
        "number": "26",
        "name": "D2",
        "type": "bidirectional",
        "description": "Bit of the 8-bit bidirectional data bus (D1-D7); the 8-bit parallel interface is not supported, with I2C these pins can define the I2C address, with serial interfaces they can be used as test signals or I/O."
      },
      {
        "number": "27",
        "name": "D3",
        "type": "bidirectional",
        "description": "Bit of the 8-bit bidirectional data bus (D1-D7); the 8-bit parallel interface is not supported, with I2C these pins can define the I2C address, with serial interfaces they can be used as test signals or I/O."
      },
      {
        "number": "28",
        "name": "D4",
        "type": "bidirectional",
        "description": "Bit of the 8-bit bidirectional data bus (D1-D7); the 8-bit parallel interface is not supported, with I2C these pins can define the I2C address, with serial interfaces they can be used as test signals or I/O."
      },
      {
        "number": "29",
        "name": "D5",
        "type": "bidirectional",
        "description": "Bit of the 8-bit bidirectional data bus (D1-D7); the 8-bit parallel interface is not supported, with I2C these pins can define the I2C address, with serial interfaces they can be used as test signals or I/O."
      },
      {
        "number": "30",
        "name": "D6",
        "type": "bidirectional",
        "description": "Bit of the 8-bit bidirectional data bus (D1-D7); the 8-bit parallel interface is not supported, with I2C these pins can define the I2C address, with serial interfaces they can be used as test signals or I/O."
      },
      {
        "number": "31",
        "name": "D7",
        "type": "bidirectional",
        "description": "Bit of the 8-bit bidirectional data bus (D1-D7); the 8-bit parallel interface is not supported, with I2C these pins can define the I2C address, with serial interfaces they can be used as test signals or I/O."
      },
      {
        "number": "32",
        "name": "A0",
        "type": "input",
        "description": "Address line input."
      },
      {
        "number": "33",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The package drawing shows a central exposed pad, but the pin table has no entry for it, so no functi; The table lists VMID as type P (internal reference voltage). I mapped it to power_out, but it may ne; The block diagram on page 4 labels pins 24 and 32 as SDA/NSS/RX and EA, and pin 1 as I2C, which diff",
          "exposed pad 33 added from the footprint",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.3637,
        "at": "2026-10-18T01:52:36"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945477143810048",
        "pages": 24,
        "sha256": "034421b5859b136a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "jsmrc523.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          5,
          0.875
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "jsmrc523-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5,
          5,
          0.875
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "54f981ae0a6cf3a0ac79d630137d78e4ed385b75253c7de056083ef6f11e5fbe",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "JSMSEMI",
      "Package": "QFN-32-EP(5x5)",
      "Category": "RF And Wireless",
      "Pins": "33"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "jsmrc523"
  ],
  "discovery_pitch": "JSMRC523 (JSMSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "jsmrc523.kicad_sym",
    "jsmrc523.kicad_mod",
    "jsmrc523.glb",
    "jsmrc523.step",
    "jsmrc523.lbr",
    "docs/hero.png",
    "docs/jsmrc523-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "jsmrc523-hero.glb",
    "jsmrc523-hero.overlay.json",
    "jsmrc523-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}