LPC1114FHN33

{
  "schema_version": 1,
  "type": "component",
  "slug": "lpc1114fhn33",
  "title": "LPC1114FHN33",
  "brief": "NXP Semicon NXP MCU, QFN-32-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "embedded processors & controllers",
    "lpc1114fhn33",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "LPC1114FHN33",
    "manufacturer": "NXP Semicon",
    "package": "QFN-32-EP(7x7)",
    "pin_count": 33,
    "category": "Embedded Processors & Controllers",
    "subcategory": "NXP MCU",
    "datasheet": "https://www.nxp.com/docs/en/data-sheet/LPC1114FHN33.pdf",
    "parts": {
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    "distributor_links": {
      "lcsc": "C1337735"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T01:28:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PIO2_0/DTR",
        "type": "bidirectional",
        "description": "General-purpose 5 V-tolerant digital I/O with internal pull-up and configurable pull-up/pull-down and hysteresis; alternate function is UART DTR output."
      },
      {
        "number": "2",
        "name": "RESET/PIO0_0",
        "type": "input",
        "description": "Active-low external reset input (Schmitt trigger) that resets the device and forces execution from address 0; the PIO0_0 function has a 10 ns glitch filter, the pin is disabled in deep power-down, and an external pull-up is required in deep-sleep mode."
      },
      {
        "number": "3",
        "name": "PIO0_1/CLKOUT/CT32B0_MAT2",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O that, when low at reset, starts the ISP command handler; alternate functions are CLKOUT clock output and CT32B0_MAT2 match output."
      },
      {
        "number": "4",
        "name": "XTALIN",
        "type": "input",
        "description": "Input to the oscillator and internal clock generator circuits; the input voltage is limited to 1.8 V (section 11.2) and it may be left floating or grounded when the system oscillator is not used."
      },
      {
        "number": "5",
        "name": "XTALOUT",
        "type": "output",
        "description": "Output of the oscillator amplifier that must be left unconnected when the system oscillator is not used."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "3.3 V input/output supply that also powers the internal regulator and ADC and serves as the ADC reference voltage."
      },
      {
        "number": "7",
        "name": "PIO1_8/CT16B1_CAP0",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O with pull-up; alternate function is CT16B1_CAP0 capture input 0 of 16-bit timer 1."
      },
      {
        "number": "8",
        "name": "PIO0_2/SSEL0/CT16B0_CAP0",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O with pull-up; alternate functions are SSP0 slave select (SSEL0) and CT16B0_CAP0 capture input 0 of 16-bit timer 0."
      },
      {
        "number": "9",
        "name": "PIO0_3",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O with pull-up and no alternate function listed in the HVQFN33 table."
      },
      {
        "number": "10",
        "name": "PIO0_4/SCL",
        "type": "bidirectional",
        "description": "I2C clock line (SCL) that meets I2C standard-mode and Fast-mode Plus specifications and has high current sink capability only when Fast-mode Plus is selected in the I/O configuration register."
      },
      {
        "number": "11",
        "name": "PIO0_5/SDA",
        "type": "bidirectional",
        "description": "Open-drain I2C data line (SDA) that meets I2C standard-mode and Fast-mode Plus specifications and has high current sink capability only when Fast-mode Plus is selected in the I/O configuration register."
      },
      {
        "number": "12",
        "name": "PIO1_9/CT16B1_MAT0",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O with pull-up; alternate function is CT16B1_MAT0 match output 0 of 16-bit timer 1."
      },
      {
        "number": "13",
        "name": "PIO3_4",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O with pull-up and no alternate function listed in the HVQFN33 table."
      },
      {
        "number": "14",
        "name": "PIO3_5",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O with pull-up and no alternate function listed in the HVQFN33 table."
      },
      {
        "number": "15",
        "name": "PIO0_6/SCK0",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O with pull-up; alternate function is SSP0 serial clock SCK0."
      },
      {
        "number": "16",
        "name": "PIO0_7/CTS",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O with pull-up and high-current output drive; alternate function is UART CTS input."
      },
      {
        "number": "17",
        "name": "PIO0_8/MISO0/CT16B0_MAT0",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O with pull-up; alternate functions are SSP0 MISO0 and CT16B0_MAT0 match output 0."
      },
      {
        "number": "18",
        "name": "PIO0_9/MOSI0/CT16B0_MAT1",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O with pull-up; alternate functions are SSP0 MOSI0 and CT16B0_MAT1 match output 1."
      },
      {
        "number": "19",
        "name": "SWCLK/PIO0_10/SCK0/CT16B0_MAT2",
        "type": "input",
        "description": "Serial Wire Debug clock input (SWCLK) with pull-up that is shared with GPIO PIO0_10, SSP0 serial clock SCK0 and CT16B0_MAT2 match output 2."
      },
      {
        "number": "20",
        "name": "PIO1_10/AD6/CT16B1_MAT1",
        "type": "bidirectional",
        "description": "5 V-tolerant digital I/O with pull-up whose digital part is disabled when used as ADC input 6, and the ADC input is not 5 V-tolerant; alternate function is CT16B1_MAT1 match output 1."
      },
      {
        "number": "21",
        "name": "R/PIO0_11/AD0/CT32B0_MAT3",
        "type": "bidirectional",
        "description": "Reserved (R) function configured in IOCONFIG at reset; GPIO PIO0_11 with ADC input 0 and CT32B0_MAT3 match output 3, where the digital part is 5 V-tolerant only and the ADC input is not 5 V-tolerant."
      },
      {
        "number": "22",
        "name": "R/PIO1_0/AD1/CT32B1_CAP0",
        "type": "bidirectional",
        "description": "Reserved (R) function configured in IOCONFIG at reset; GPIO PIO1_0 with ADC input 1 and CT32B1_CAP0 capture input 0, where the ADC input is not 5 V-tolerant."
      },
      {
        "number": "23",
        "name": "R/PIO1_1/AD2/CT32B1_MAT0",
        "type": "bidirectional",
        "description": "Reserved (R) function configured in IOCONFIG at reset; GPIO PIO1_1 with ADC input 2 and CT32B1_MAT0 match output 0, where the ADC input is not 5 V-tolerant."
      },
      {
        "number": "24",
        "name": "R/PIO1_2/AD3/CT32B1_MAT1",
        "type": "bidirectional",
        "description": "Reserved (R) function configured in IOCONFIG at reset; GPIO PIO1_2 with ADC input 3 and CT32B1_MAT1 match output 1, where the ADC input is not 5 V-tolerant."
      },
      {
        "number": "25",
        "name": "SWDIO/PIO1_3/AD4/CT32B1_MAT2",
        "type": "bidirectional",
        "description": "Serial Wire Debug data input/output (SWDIO) with pull-up that is shared with GPIO PIO1_3, ADC input 4 and CT32B1_MAT2 match output 2."
      },
      {
        "number": "26",
        "name": "PIO1_4/AD5/CT32B1_MAT3/WAKEUP",
        "type": "bidirectional",
        "description": "GPIO PIO1_4 with a 10 ns glitch filter that also serves as the WAKEUP input (20 ns glitch filter) for deep power-down/deep-sleep wake-up, where a 50 ns low pulse wakes the device and an external pull-up is needed in deep power-down."
      },
      {
        "number": "27",
        "name": "PIO1_11/AD7",
        "type": "bidirectional",
        "description": "5 V-tolerant digital I/O with pull-up whose digital part is disabled when used as ADC input 7, and the ADC input is not 5 V-tolerant."
      },
      {
        "number": "28",
        "name": "PIO3_2",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O with pull-up and no alternate function listed in the HVQFN33 table."
      },
      {
        "number": "29",
        "name": "VDD",
        "type": "power_in",
        "description": "3.3 V input/output supply that also powers the internal regulator and ADC and serves as the ADC reference voltage."
      },
      {
        "number": "30",
        "name": "PIO1_5/RTS/CT32B0_CAP0",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O with pull-up; alternate functions are UART RTS output and CT32B0_CAP0 capture input 0."
      },
      {
        "number": "31",
        "name": "PIO1_6/RXD/CT32B0_MAT0",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O with pull-up; alternate functions are UART RXD receiver input and CT32B0_MAT0 match output 0."
      },
      {
        "number": "32",
        "name": "PIO1_7/TXD/CT32B0_MAT1",
        "type": "bidirectional",
        "description": "5 V-tolerant general-purpose I/O with pull-up; alternate functions are UART TXD transmitter output and CT32B0_MAT1 match output 1."
      },
      {
        "number": "33",
        "name": "VSS",
        "type": "power_in",
        "description": "Exposed heat-sink pad on the package that is connected to ground."
      }
    ],
    "provenance": {
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        "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: Package hint 'QFN-32-EP(7x7)' does not match the datasheet. LPC1114FHN33 is ordered as HVQFN33 (7x7x; The bare MPN LPC1114FHN33 is not in the ordering table. Only the suffixes /201, /202, /301 and /302 ; Pin 4 (XTALIN): the Table 5 text says the input voltage 'must exceed 1.8 V' (输入电压必须超过1.8 V), while s"
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        "at": "2026-10-26T01:28:34"
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        "pages": 60,
        "sha256": "7a7c46cf554595c2",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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  "metadata": {
    "specs": {
      "Manufacturer": "NXP Semicon",
      "Package": "QFN-32-EP(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "33"
    },
    "characteristics": {
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        {
          "name": "Supply voltage (single supply)",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 3.6,
          "conditions": "single supply (feature list)",
          "source_page": 2,
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        {
          "name": "Ambient temperature",
          "symbol": "Tamb",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "unless otherwise specified (Table 7 header)",
          "source_page": 27,
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        {
          "name": "ADC supply voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 3.6,
          "conditions": "ADC static parameters, ADC sampling frequency 4.5 MHz (Table 8 header)",
          "source_page": 30,
          "source": "datasheet"
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        {
          "name": "ADC maximum sampling frequency",
          "symbol": "fs",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 4.5,
          "conditions": "Tamb = 25 °C, maximum sampling frequency (Table 8 note 7)",
          "source_page": 30,
          "source": "datasheet"
        },
        {
          "name": "Internal RC oscillator frequency accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "over full voltage and temperature range",
          "source_page": 22,
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          "name": "Watchdog oscillator frequency variation",
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          "kind": "tolerance",
          "unit": "%",
          "min": -40,
          "typ": null,
          "max": 40,
          "conditions": "typical frequency variation over operation and temperature, Tamb = −40 °C to +85 °C (Table 15 note 2)",
          "source_page": 45,
          "source": "datasheet"
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        {
          "name": "System oscillator frequency",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 1,
          "typ": null,
          "max": 25,
          "conditions": "system oscillator operating range",
          "source_page": 22,
          "source": "datasheet"
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        {
          "name": "PLL input clock frequency",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 10,
          "typ": null,
          "max": 25,
          "conditions": "PLL input clock range",
          "source_page": 22,
          "source": "datasheet"
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        {
          "name": "PLL CCO operating frequency",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 156,
          "typ": null,
          "max": 320,
          "conditions": "current controlled oscillator (CCO) range",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "PLL output frequency",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "PLL output must be below 100 MHz",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "CPU maximum operating frequency",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "maximum CPU frequency (feature list)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "XTALIN slave-mode input clock amplitude",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "mV (RMS)",
          "min": 200,
          "typ": null,
          "max": 1000,
          "conditions": "slave mode, input clock via 100 pF capacitor on XTALIN",
          "source_page": 50,
          "source": "datasheet"
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        {
          "name": "Maximum output drive current per pin",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "per pin (feature list)",
          "source_page": 1,
          "source": "datasheet"
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        {
          "name": "ADC 10-bit conversion time",
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          "kind": "timing",
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          "min": 2.44,
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          "max": null,
          "conditions": "10-bit conversion time",
          "source_page": 20,
          "source": "datasheet"
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        {
          "name": "RESET low pulse width to reset device",
          "symbol": "",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "low-level pulse on RESET resets the device",
          "source_page": 24,
          "source": "datasheet"
        },
        {
          "name": "WAKEUP low pulse width to wake from deep power-down",
          "symbol": "",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": null,
          "max": null,
          "conditions": "low pulse on WAKEUP wakes device from deep power-down",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Nominal I/O and ADC supply voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": 3.3,
          "max": null,
          "conditions": "nominal supply for internal regulator and ADC (pin description)",
          "source_page": 10,
          "source": "datasheet"
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