CC2538NF53RTQR

{
  "schema_version": 1,
  "type": "component",
  "slug": "cc2538nf53rtqr",
  "title": "CC2538NF53RTQR",
  "brief": "Texas Instruments RF Transceiver ICs, QFN-56-EP(8x8). 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",
    "cc2538nf53rtqr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CC2538NF53RTQR",
    "manufacturer": "Texas Instruments",
    "package": "QFN-56-EP(8x8)",
    "pin_count": 57,
    "category": "RF And Wireless",
    "subcategory": "RF Transceiver ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cc2538",
    "parts": {
      "symbol": "cc2538nf53rtqr.kicad_sym",
      "footprint": "cc2538nf53rtqr.kicad_mod",
      "model_3d": "cc2538nf53rtqr-etched.glb",
      "model_3d_plain": "cc2538nf53rtqr.glb",
      "model_3d_step": "cc2538nf53rtqr-etched.step",
      "model_3d_step_plain": "cc2538nf53rtqr.step",
      "lbr": "cc2538nf53rtqr.lbr"
    },
    "distributor_links": {
      "lcsc": "C485530"
    },
    "pins": [
      {
        "number": "1",
        "name": "DGND_USB",
        "type": "power_in",
        "description": "USB ground connection."
      },
      {
        "number": "2",
        "name": "USB_P",
        "type": "bidirectional",
        "description": "USB differential data plus (D+) signal line."
      },
      {
        "number": "3",
        "name": "USB_N",
        "type": "bidirectional",
        "description": "USB differential data minus (D-) signal line."
      },
      {
        "number": "4",
        "name": "DVDD_USB",
        "type": "power_in",
        "description": "3.3-V USB power-supply connection."
      },
      {
        "number": "5",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO port B pin 0."
      },
      {
        "number": "6",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO port C pin 7."
      },
      {
        "number": "7",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO port C pin 6."
      },
      {
        "number": "8",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO port C pin 5."
      },
      {
        "number": "9",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO port C pin 4."
      },
      {
        "number": "10",
        "name": "DVDD",
        "type": "power_in",
        "description": "2-V-3.6-V digital power-supply connection."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO port C pin 3, 20 mA output capability, no pull-up or pull-down."
      },
      {
        "number": "12",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO port C pin 2, 20 mA output capability, no pull-up or pull-down."
      },
      {
        "number": "13",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO port C pin 1, 20 mA output capability, no pull-up or pull-down."
      },
      {
        "number": "14",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO port C pin 0, 20 mA output capability, no pull-up or pull-down."
      },
      {
        "number": "15",
        "name": "DVDD",
        "type": "power_in",
        "description": "2-V-3.6-V digital power-supply connection."
      },
      {
        "number": "16",
        "name": "PA0",
        "type": "bidirectional",
        "description": "GPIO port A pin 0; can also serve as ROM bootloader UART RXD."
      },
      {
        "number": "17",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO port A pin 1; can also serve as ROM bootloader UART TXD."
      },
      {
        "number": "18",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO port A pin 2; can also serve as ROM bootloader SSI CLK."
      },
      {
        "number": "19",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO port A pin 3; can also serve as ROM bootloader SSI SEL."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO port A pin 4; can also serve as ROM bootloader SSI RXD."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO port A pin 5; can also serve as ROM bootloader SSI TXD."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO port A pin 6."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO port A pin 7."
      },
      {
        "number": "24",
        "name": "DVDD",
        "type": "power_in",
        "description": "2-V-3.6-V digital power-supply connection."
      },
      {
        "number": "25",
        "name": "PD0",
        "type": "bidirectional",
        "description": "GPIO port D pin 0."
      },
      {
        "number": "26",
        "name": "PD1",
        "type": "bidirectional",
        "description": "GPIO port D pin 1."
      },
      {
        "number": "27",
        "name": "PD2",
        "type": "bidirectional",
        "description": "GPIO port D pin 2."
      },
      {
        "number": "28",
        "name": "RESET_N",
        "type": "input",
        "description": "Active-low reset input; minimum pulse width 1 µs."
      },
      {
        "number": "29",
        "name": "PD3",
        "type": "bidirectional",
        "description": "GPIO port D pin 3."
      },
      {
        "number": "30",
        "name": "PD4",
        "type": "bidirectional",
        "description": "GPIO port D pin 4."
      },
      {
        "number": "31",
        "name": "PD5",
        "type": "bidirectional",
        "description": "GPIO port D pin 5."
      },
      {
        "number": "32",
        "name": "DCOUPL2",
        "type": "power_in",
        "description": "1.8-V regulated digital-supply decoupling capacitor connection; short to pin 56."
      },
      {
        "number": "33",
        "name": "AVDD",
        "type": "power_in",
        "description": "2-V-3.6-V analog power-supply connection."
      },
      {
        "number": "34",
        "name": "XOSC32M_Q1",
        "type": "bidirectional",
        "description": "32-MHz crystal oscillator pin 1 or external-clock input."
      },
      {
        "number": "35",
        "name": "XOSC32M_Q2",
        "type": "bidirectional",
        "description": "32-MHz crystal oscillator pin 2."
      },
      {
        "number": "36",
        "name": "AVDD",
        "type": "power_in",
        "description": "2-V-3.6-V analog power-supply connection."
      },
      {
        "number": "37",
        "name": "RF_P",
        "type": "bidirectional",
        "description": "Positive RF input to LNA during RX; positive RF output from PA during TX."
      },
      {
        "number": "38",
        "name": "RF_N",
        "type": "bidirectional",
        "description": "Negative RF input to LNA during RX; negative RF output from PA during TX."
      },
      {
        "number": "39",
        "name": "AVDD",
        "type": "power_in",
        "description": "2-V-3.6-V analog power-supply connection."
      },
      {
        "number": "40",
        "name": "AVDD",
        "type": "power_in",
        "description": "2-V-3.6-V analog power-supply connection."
      },
      {
        "number": "41",
        "name": "AVDD",
        "type": "power_in",
        "description": "2-V-3.6-V analog power-supply connection."
      },
      {
        "number": "42",
        "name": "R_BIAS",
        "type": "bidirectional",
        "description": "External precision bias resistor for reference current."
      },
      {
        "number": "43",
        "name": "AVDD_GUARD",
        "type": "power_in",
        "description": "2-V-3.6-V analog power-supply connection for guard."
      },
      {
        "number": "44",
        "name": "PD6/XOSC32K_Q1",
        "type": "bidirectional",
        "description": "GPIO port D pin 6 or 32-kHz crystal oscillator pin 1."
      },
      {
        "number": "45",
        "name": "PD7/XOSC32K_Q2",
        "type": "bidirectional",
        "description": "GPIO port D pin 7 or 32-kHz crystal oscillator pin 2."
      },
      {
        "number": "46",
        "name": "JTAG_TMS",
        "type": "input",
        "description": "JTAG test mode select input."
      },
      {
        "number": "47",
        "name": "JTAG_TCK",
        "type": "input",
        "description": "JTAG test clock input."
      },
      {
        "number": "48",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO port B pin 7; can also serve as JTAG TDO."
      },
      {
        "number": "49",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO port B pin 6; can also serve as JTAG TDI."
      },
      {
        "number": "50",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO port B pin 5."
      },
      {
        "number": "51",
        "name": "PB4",
        "type": "bidirectional",
        "description": "GPIO port B pin 4."
      },
      {
        "number": "52",
        "name": "PB3",
        "type": "bidirectional",
        "description": "GPIO port B pin 3."
      },
      {
        "number": "53",
        "name": "PB2",
        "type": "bidirectional",
        "description": "GPIO port B pin 2."
      },
      {
        "number": "54",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO port B pin 1."
      },
      {
        "number": "55",
        "name": "DVDD",
        "type": "power_in",
        "description": "2-V-3.6-V digital power-supply connection."
      },
      {
        "number": "56",
        "name": "DCOUPL1",
        "type": "power_in",
        "description": "1.8-V regulated digital-supply decoupling capacitor connection."
      },
      {
        "number": "57",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: JTAG_TCK (pin 47) and JTAG_TMS (pin 46) are marked as input based on JTAG protocol (TCK and TMS are ",
          "exposed pad 57 added from the footprint"
        ],
        "pages_sent": 34,
        "cost_usd": 0.5325,
        "at": "2026-09-23T07:17:30"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cc2538",
        "pages": 34,
        "sha256": "5e1df6df95278fed",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 57,
        "described": 57,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cc2538nf53rtqr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8,
          8,
          1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "54eb482f12c9d8b70c1bfc78306a1c34f412f3556e225cbd097840e5abdb7981",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cc2538nf53rtqr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8,
          8,
          1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "fa0e5dd9bf008fbfc7c223c50503672f32439bf4f35d5e3f0076834e49dc2a41",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "QFN-56-EP(8x8)",
      "Category": "RF And Wireless",
      "Pins": "57"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cc2538nf53rtqr"
  ],
  "discovery_pitch": "CC2538NF53RTQR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cc2538nf53rtqr.kicad_sym",
    "cc2538nf53rtqr.kicad_mod",
    "cc2538nf53rtqr.glb",
    "cc2538nf53rtqr.step",
    "cc2538nf53rtqr.lbr",
    "docs/hero.png",
    "docs/cc2538nf53rtqr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T18:31:32.883Z"
}