LPC11U35FBD48

{
  "slug": "lpc11u35fbd48",
  "version": "0.1.0",
  "type": "component",
  "description": "NXP Semicon NXP MCU, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "lpc11u35fbd48",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lpc11u35fbd48.kicad_sym",
    "lpc11u35fbd48.kicad_mod",
    "lpc11u35fbd48.glb",
    "lpc11u35fbd48.step",
    "lpc11u35fbd48.lbr",
    "docs/hero.png",
    "docs/lpc11u35fbd48-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lpc11u35fbd48-hero.glb",
    "lpc11u35fbd48-hero.overlay.json",
    "lpc11u35fbd48-etched.glb"
  ],
  "component": {
    "mpn": "LPC11U35FBD48",
    "manufacturer": "NXP Semicon",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "NXP MCU",
    "datasheet": "https://www.nxp.com/docs/en/data-sheet/LPC11U35FBD48.pdf",
    "parts": {
      "symbol": "lpc11u35fbd48.kicad_sym",
      "footprint": "lpc11u35fbd48.kicad_mod",
      "model_3d": "lpc11u35fbd48-hero.glb",
      "model_3d_plain": "lpc11u35fbd48-etched.glb",
      "model_3d_step": "lpc11u35fbd48-etched.step",
      "model_3d_step_plain": "lpc11u35fbd48.step",
      "lbr": "lpc11u35fbd48.lbr"
    },
    "distributor_links": {
      "lcsc": "C2836463"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:23:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PIO1_25/CT32B0_MAT1",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with 32-bit timer 0 match output 1 function (5 V tolerant pad with configurable pull-up/pull-down)."
      },
      {
        "number": "2",
        "name": "PIO1_19/DTR/SSEL1",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with USART DTR output and SSP1 slave select function (5 V tolerant pad with configurable pull-up/pull-down)."
      },
      {
        "number": "3",
        "name": "RESET/PIO0_0",
        "type": "input",
        "description": "External reset input with 20 ns glitch filter; a LOW-going pulse as short as 50 ns resets the device, and the pin is 5 V tolerant and requires an external pull-up for Deep power-down mode."
      },
      {
        "number": "4",
        "name": "PIO0_1/CLKOUT/CT32B0_MAT2/USB_FTOGGLE",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin; a LOW level during reset starts the ISP command handler or USB device enumeration, and it also provides CLKOUT, CT32B0_MAT2 and USB_FTOGGLE functions."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "6",
        "name": "XTALIN",
        "type": "input",
        "description": "Input to the oscillator circuit and internal clock generator circuits; input voltage must not exceed 1.8 V."
      },
      {
        "number": "7",
        "name": "XTALOUT",
        "type": "output",
        "description": "Output from the oscillator amplifier."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage to the internal regulator, the external rail, and the ADC; also used as the ADC reference voltage."
      },
      {
        "number": "9",
        "name": "PIO0_20/CT16B1_CAP0",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with 16-bit timer 1 capture input 0 function."
      },
      {
        "number": "10",
        "name": "PIO0_2/SSEL0/CT16B0_CAP0/IOH_0",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with SSP0 slave select, 16-bit timer 0 capture input 0 and I/O Handler functions (IOH_0 on LPC11U37HFBD64/401 only)."
      },
      {
        "number": "11",
        "name": "PIO1_26/CT32B0_MAT2/RXD/IOH_19",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with 32-bit timer 0 match output 2, USART RXD and I/O Handler functions (IOH_19 on LPC11U37HFBD64/401 only)."
      },
      {
        "number": "12",
        "name": "PIO1_27/CT32B0_MAT3/TXD/IOH_20",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with 32-bit timer 0 match output 3, USART TXD and I/O Handler functions (IOH_20 on LPC11U37HFBD64/401 only)."
      },
      {
        "number": "13",
        "name": "PIO1_20/DSR/SCK1",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with USART DSR input and SSP1 serial clock function."
      },
      {
        "number": "14",
        "name": "PIO0_3/USB_VBUS/IOH_1",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin; a LOW level during reset starts the ISP handler and a HIGH level starts USB enumeration, and the pin monitors USB bus power as USB_VBUS."
      },
      {
        "number": "15",
        "name": "PIO0_4/SCL/IOH_2",
        "type": "bidirectional",
        "description": "Open-drain general purpose digital input/output pin with I2C-bus SCL function; high-current sink only if I2C Fast-mode Plus is selected."
      },
      {
        "number": "16",
        "name": "PIO0_5/SDA/IOH_3",
        "type": "bidirectional",
        "description": "Open-drain general purpose digital input/output pin with I2C-bus SDA function; high-current sink only if I2C Fast-mode Plus is selected."
      },
      {
        "number": "17",
        "name": "PIO0_21/CT16B1_MAT0/MOSI1",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with 16-bit timer 1 match output 0 and SSP1 MOSI functions."
      },
      {
        "number": "18",
        "name": "PIO1_23/CT16B1_MAT1/SSEL1",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with 16-bit timer 1 match output 1 and SSP1 slave select functions."
      },
      {
        "number": "19",
        "name": "USB_DM",
        "type": "bidirectional",
        "description": "USB bidirectional D- line; pad is designed to USB specification revision 2.0 (Full-speed and Low-speed mode only) and is not 5 V tolerant."
      },
      {
        "number": "20",
        "name": "USB_DP",
        "type": "bidirectional",
        "description": "USB bidirectional D+ line; pad is designed to USB specification revision 2.0 (Full-speed and Low-speed mode only) and is not 5 V tolerant."
      },
      {
        "number": "21",
        "name": "PIO1_24/CT32B0_MAT0",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with 32-bit timer 0 match output 0 function."
      },
      {
        "number": "22",
        "name": "PIO0_6/USB_CONNECT/SCK0/IOH_4",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with USB_CONNECT output for switching an external 1.5 k resistor (SoftConnect) and SSP0 serial clock function."
      },
      {
        "number": "23",
        "name": "PIO0_7/CTS/IOH_5",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with high-current output driver and USART CTS input function."
      },
      {
        "number": "24",
        "name": "PIO1_28/CT32B0_CAP0/SCLK",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with 32-bit timer 0 capture input 0 and USART synchronous serial clock functions."
      },
      {
        "number": "25",
        "name": "PIO1_31",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin."
      },
      {
        "number": "26",
        "name": "PIO1_21/DCD/MISO1",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with USART DCD input and SSP1 MISO function."
      },
      {
        "number": "27",
        "name": "PIO0_8/MISO0/CT16B0_MAT0/R/IOH_6",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with SSP0 MISO and 16-bit timer 0 match output 0 functions (reserved function R also listed)."
      },
      {
        "number": "28",
        "name": "PIO0_9/MOSI0/CT16B0_MAT1/R/IOH_7",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with SSP0 MOSI and 16-bit timer 0 match output 1 functions (reserved function R also listed)."
      },
      {
        "number": "29",
        "name": "SWCLK/PIO0_10/SCK0/CT16B0_MAT2",
        "type": "input",
        "description": "Serial wire clock and test clock TCK for JTAG interface; also general purpose I/O PIO0_10 with SSP0 SCK0 and 16-bit timer 0 match output 2 functions."
      },
      {
        "number": "30",
        "name": "PIO0_22/AD6/CT16B1_MAT1/MISO1",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with ADC input 6, 16-bit timer 1 match output 1 and SSP1 MISO functions."
      },
      {
        "number": "31",
        "name": "PIO1_29/SCK0/CT32B0_CAP1",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with SSP0 serial clock and 32-bit timer 0 capture input 1 functions."
      },
      {
        "number": "32",
        "name": "TDI/PIO0_11/AD0/CT32B0_MAT3",
        "type": "input",
        "description": "Test Data In for JTAG interface; also general purpose I/O PIO0_11 with ADC input 0 and 32-bit timer 0 match output 3 functions."
      },
      {
        "number": "33",
        "name": "TMS/PIO0_12/AD1/CT32B1_CAP0",
        "type": "input",
        "description": "Test Mode Select for JTAG interface; also general purpose I/O PIO0_12 with ADC input 1 and 32-bit timer 1 capture input 0 functions."
      },
      {
        "number": "34",
        "name": "TDO/PIO0_13/AD2/CT32B1_MAT0",
        "type": "output",
        "description": "Test Data Out for JTAG interface; also general purpose I/O PIO0_13 with ADC input 2 and 32-bit timer 1 match output 0 functions."
      },
      {
        "number": "35",
        "name": "TRST/PIO0_14/AD3/CT32B1_MAT1",
        "type": "input",
        "description": "Test Reset for JTAG interface; also general purpose I/O PIO0_14 with ADC input 3 and 32-bit timer 1 match output 1 functions."
      },
      {
        "number": "36",
        "name": "PIO1_13/DTR/CT16B0_MAT0/TXD",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with USART DTR and TXD outputs and 16-bit timer 0 match output 0 function."
      },
      {
        "number": "37",
        "name": "PIO1_14/DSR/CT16B0_MAT1/RXD",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with USART DSR and RXD inputs and 16-bit timer 0 match output 1 function."
      },
      {
        "number": "38",
        "name": "PIO1_22/RI/MOSI1",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with USART RI input and SSP1 MOSI function."
      },
      {
        "number": "39",
        "name": "SWDIO/PIO0_15/AD4/CT32B1_MAT2",
        "type": "bidirectional",
        "description": "Serial wire debug input/output; also general purpose I/O PIO0_15 with ADC input 4 and 32-bit timer 1 match output 2 functions."
      },
      {
        "number": "40",
        "name": "PIO0_16/AD5/CT32B1_MAT3/IOH_8/WAKEUP",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with ADC input 5 and 32-bit timer 1 match output 3 functions; WAKEUP input for Deep power-down exit with 20 ns glitch filter."
      },
      {
        "number": "41",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "42",
        "name": "PIO0_23/AD7/IOH_9",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with ADC input 7 function (IOH_9 on LPC11U37HFBD64/401 only)."
      },
      {
        "number": "43",
        "name": "PIO1_15/DCD/CT16B0_MAT2/SCK1",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with USART DCD input, 16-bit timer 0 match output 2 and SSP1 serial clock functions."
      },
      {
        "number": "44",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage to the internal regulator, the external rail, and the ADC; also used as the ADC reference voltage."
      },
      {
        "number": "45",
        "name": "PIO0_17/RTS/CT32B0_CAP0/SCLK",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with USART RTS output, 32-bit timer 0 capture input 0 and USART synchronous clock functions."
      },
      {
        "number": "46",
        "name": "PIO0_18/RXD/CT32B0_MAT0",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with USART RXD input (used in UART ISP mode) and 32-bit timer 0 match output 0 functions."
      },
      {
        "number": "47",
        "name": "PIO0_19/TXD/CT32B0_MAT1",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with USART TXD output (used in UART ISP mode) and 32-bit timer 0 match output 1 functions."
      },
      {
        "number": "48",
        "name": "PIO1_16/RI/CT16B0_CAP0",
        "type": "bidirectional",
        "description": "General purpose digital input/output pin with USART RI input and 16-bit timer 0 capture input 0 functions."
      }
    ],
    "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": null,
        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 25,
        "cost_usd": 0.0033,
        "at": "2026-10-27T01:23:05"
      },
      "datasheet": {
        "url": "https://www.nxp.com/docs/en/data-sheet/LPC11U35FBD48.pdf",
        "pages": 77,
        "sha256": "85cf6c6f424ce8d4",
        "source_tier": "mfr"
      },
      "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": "lpc11u35fbd48.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": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lpc11u35fbd48-etched.step",
        "role": "eda",
        "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": "08ead85cf1daa580205a713e4213e5f4a747710510419c934ec6534bfb09b700",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}