STM32L433VCT6

{
  "slug": "stm32l433vct6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32l433vct6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32l433vct6.kicad_sym",
    "stm32l433vct6.kicad_mod",
    "stm32l433vct6.glb",
    "stm32l433vct6.step",
    "stm32l433vct6.lbr",
    "docs/hero.png",
    "docs/stm32l433vct6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "STM32L433VCT6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907864424894464",
    "parts": {
      "symbol": "stm32l433vct6.kicad_sym",
      "footprint": "stm32l433vct6.kicad_mod",
      "model_3d": "stm32l433vct6-etched.glb",
      "model_3d_plain": "stm32l433vct6.glb",
      "model_3d_step": "stm32l433vct6-etched.step",
      "model_3d_step_plain": "stm32l433vct6.step",
      "lbr": "stm32l433vct6.lbr"
    },
    "distributor_links": {
      "lcsc": "C915966",
      "digikey": "497-16584-ND",
      "mouser": "511-STM32L433VCT6"
    },
    "distributor_check": {
      "checked_at": "2026-09-29T14:26:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-16584-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L433VCT6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "GPIO port E pin 2; 5V tolerant I/O with LCD function; supports trace clock, touch sensing, LCD segment, or SAI audio interface."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "GPIO port E pin 3; 5V tolerant I/O with LCD function; supports trace data, touch sensing, LCD segment, or SAI audio interface."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "GPIO port E pin 4; 5V tolerant I/O; supports trace data, touch sensing, or SAI audio interface."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "GPIO port E pin 5; 5V tolerant I/O; supports trace data, touch sensing, or SAI clock output."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "GPIO port E pin 6; 5V tolerant I/O; supports trace data or SAI; RTC tamper input or wakeup pin."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_out",
        "description": "Backup battery supply for RTC and 32\u00d732-bit backup registers; 1.55 to 3.6 V."
      },
      {
        "number": "7",
        "name": "PC13",
        "type": "bidirectional",
        "description": "GPIO port C pin 13; 5V tolerant; limited to 3 mA max output; supports RTC tamper/timestamp or wakeup input."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO port C pin 14; LSE crystal oscillator input; 5V tolerant with limited output capability."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO port C pin 15; LSE crystal oscillator output; 5V tolerant with limited output capability."
      },
      {
        "number": "10",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground; must connect to 0 V reference for proper operation."
      },
      {
        "number": "11",
        "name": "VDD",
        "type": "power_out",
        "description": "Main digital supply; 1.71 to 3.6 V required."
      },
      {
        "number": "12",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "GPIO port H pin 0; 5V tolerant; HSE crystal oscillator input pin."
      },
      {
        "number": "13",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "GPIO port H pin 1; 5V tolerant; HSE crystal oscillator output pin."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "input",
        "description": "External reset input pin; embedded weak pull-up resistor; active low."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO port C pin 0; 5V tolerant with analog switch; LPTIM, I2C, UART, LCD, or ADC channel 1."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO port C pin 1; 5V tolerant with analog switch; LPTIM, I2C, UART, LCD, or ADC channel 2."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO port C pin 2; 5V tolerant with LCD; LPTIM, SPI, LCD, or ADC channel 3."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO port C pin 3; 5V tolerant with analog switch; LPTIM, SPI, LCD, SAI, or ADC channel 4."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground connection; must connect to VSS for ADC/COMP/DAC/OPAMP reference."
      },
      {
        "number": "20",
        "name": "VREF-",
        "type": "power_in",
        "description": "Negative ADC reference; typically connected to VSSA or external ground reference."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_out",
        "description": "Positive ADC reference; 2 to 3.6 V or external buffer output for ADC conversion."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_out",
        "description": "Analog supply voltage; 1.62 to 3.6 V required for ADC, COMP, DAC, and OPAMP operation."
      },
      {
        "number": "23",
        "name": "PA0",
        "type": "bidirectional",
        "description": "GPIO port A pin 0; 5V tolerant with analog switch; timer, USART, COMP, SAI, or ADC channel 5; RTC wakeup."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO port A pin 1; 5V tolerant with LCD; timer, I2C, SPI, UART, or ADC channel 6."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO port A pin 2; 5V tolerant with LCD; timer, UART, LPTIM, QUADSPI, or ADC channel 7; wakeup."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO port A pin 3; 3.6 V tolerant with LCD; timer, UART, LPTIM, QUADSPI, SAI, or ADC channel 8."
      },
      {
        "number": "27",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground; must connect to 0 V reference for proper operation."
      },
      {
        "number": "28",
        "name": "VDD",
        "type": "power_out",
        "description": "Main digital supply; 1.71 to 3.6 V required."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO port A pin 4; 3.6 V tolerant with analog switch; SPI, UART, LPTIM, SAI, or ADC channel 9."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO port A pin 5; 3.6 V tolerant with analog switch; timer, SPI, LPTIM, or ADC channel 10."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO port A pin 6; 5V tolerant with LCD; timer, SPI, COMP, UART, LPTIM, QUADSPI, or ADC channel 11."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO port A pin 7; 5V tolerant with analog switch and LCD; timer, I2C, SPI, QUADSPI, SAI, or ADC channel 12."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO port C pin 4; 5V tolerant with LCD; UART transmit, LCD segment, or ADC channel 13."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO port C pin 5; 5V tolerant with LCD; UART receive, LCD segment, ADC channel 14, or wakeup input."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO port B pin 0; 5V tolerant with LCD; timer, SPI, UART, QUADSPI, COMP, SAI, or ADC channel 15."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO port B pin 1; 5V tolerant with LCD; timer, UART, LPTIM, QUADSPI, or ADC channel 16."
      },
      {
        "number": "37",
        "name": "PB2",
        "type": "bidirectional",
        "description": "GPIO port B pin 2; 5V tolerant with analog switch; RTC, LPTIM, I2C, LCD, or COMP reference."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "GPIO port E pin 7; 5V tolerant; timer external trigger or SAI audio interface."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "GPIO port E pin 8; 5V tolerant; timer channel or SAI audio clock."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "GPIO port E pin 9; 5V tolerant; timer channel or SAI frame synchronization."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "GPIO port E pin 10; 5V tolerant; timer, touch sensing, QUADSPI clock, or SAI audio."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "GPIO port E pin 11; 5V tolerant; timer, touch sensing, or QUADSPI chip select."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "GPIO port E pin 12; 5V tolerant; timer, SPI, touch sensing, or QUADSPI data pin."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "GPIO port E pin 13; 5V tolerant; timer, SPI, touch sensing, or QUADSPI data pin."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "GPIO port E pin 14; 5V tolerant; timer, SPI, or QUADSPI data pin."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "GPIO port E pin 15; 5V tolerant; timer break input or SPI data pin."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO port B pin 10; 5V tolerant with LCD; timer, I2C, SPI, UART, LPTIM, TSC, QUADSPI, COMP, or SAI."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO port B pin 11; 5V tolerant with LCD; timer, I2C, UART, LPTIM, QUADSPI, or COMP output."
      },
      {
        "number": "49",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground; must connect to 0 V reference for proper operation."
      },
      {
        "number": "50",
        "name": "VDD",
        "type": "power_out",
        "description": "Main digital supply; 1.71 to 3.6 V required."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO port B pin 12; 5V tolerant with LCD; timer, I2C, SPI, UART, LPTIM, TSC, SWPMI, or SAI."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO port B pin 13; 5V tolerant with LCD; timer, I2C, SPI, UART, LPTIM, TSC, SWPMI, or SAI."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO port B pin 14; 5V tolerant with LCD; timer, I2C, SPI, TSC, SWPMI, or SAI."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO port B pin 15; 5V tolerant with LCD; RTC reference, timer, SPI, TSC, SWPMI, or SAI."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "GPIO port D pin 8; 5V tolerant with LCD; UART transmit or LCD segment 28."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "GPIO port D pin 9; 5V tolerant with LCD; UART receive or LCD segment 29."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "GPIO port D pin 10; 5V tolerant with LCD; UART clock, touch sensing, or LCD segment 30."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "GPIO port D pin 11; 5V tolerant with LCD; UART flow control, TSC, LPTIM, or LCD segment 31."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "GPIO port D pin 12; 5V tolerant with LCD; UART flow control, TSC, LPTIM, or LCD segment 32."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "GPIO port D pin 13; 5V tolerant with LCD; touch sensing, LPTIM output, or LCD segment 33."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "GPIO port D pin 14; 5V tolerant with LCD; LCD segment 34 or general I/O."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "GPIO port D pin 15; 5V tolerant with LCD; LCD segment 35 or general I/O."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO port C pin 6; 5V tolerant with LCD; touch sensing, LCD segment 24, or SDMMC data 6."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO port C pin 7; 5V tolerant with LCD; touch sensing, LCD segment 25, or SDMMC data 7."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "GPIO port C pin 8; 5V tolerant with LCD; touch sensing, LCD segment 26, or SDMMC data 0."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "GPIO port C pin 9; 5V tolerant with LCD; touch sensing, USB output enable, LCD segment 27, or SDMMC data 1."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO port A pin 8; 5V tolerant with LCD; MCO output, timer, UART clock, LCD, SWPMI, SAI, or LPTIM output."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO port A pin 9; 5V tolerant with LCD; timer, I2C clock, UART transmit, LCD, or SAI."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO port A pin 10; 5V tolerant with LCD; timer, I2C data, UART receive, USB sync, LCD, or SAI."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO port A pin 11; 5V tolerant with USB; USB DP minus, timer, SPI, COMP, UART, or CAN receive."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO port A pin 12; 5V tolerant with USB; USB DP plus, timer, SPI, UART, or CAN transmit."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO port A pin 13; JTAG TMS or SWD I/O; internal pull-up enabled after reset for debug."
      },
      {
        "number": "73",
        "name": "VDDUSB",
        "type": "power_out",
        "description": "USB supply voltage; 3.0 to 3.6 V required for USB operation."
      },
      {
        "number": "74",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground; must connect to 0 V reference for proper operation."
      },
      {
        "number": "75",
        "name": "VDD",
        "type": "power_out",
        "description": "Main digital supply; 1.71 to 3.6 V required."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "GPIO port A pin 14; JTAG TCK or SWD clock; internal pull-down enabled after reset for debug."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO port A pin 15; 5V tolerant with LCD; JTAG TDI, timer, UART, SPI, TSC, LCD, or SWPMI; internal pull-up."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "GPIO port C pin 10; 5V tolerant with LCD; SPI clock, UART transmit, TSC, LCD, or SDMMC data 2."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "GPIO port C pin 11; 5V tolerant with LCD; SPI data input, UART receive, TSC, LCD, or SDMMC data 3."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "GPIO port C pin 12; 5V tolerant with LCD; SPI data output, UART clock, TSC, LCD, or SDMMC clock."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "GPIO port D pin 0; 5V tolerant; SPI chip select or CAN receive."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "GPIO port D pin 1; 5V tolerant; SPI clock or CAN transmit."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "GPIO port D pin 2; 5V tolerant with LCD; UART flow control, TSC, LCD, or SDMMC command."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "GPIO port D pin 3; 5V tolerant; SPI data input or QUADSPI chip select."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "GPIO port D pin 4; 5V tolerant; SPI data output or QUADSPI data I/O."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "GPIO port D pin 5; 5V tolerant; UART transmit or QUADSPI data I/O."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "GPIO port D pin 6; 5V tolerant; UART receive, QUADSPI data I/O, or SAI audio."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "GPIO port D pin 7; 5V tolerant; UART clock or QUADSPI data I/O."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "GPIO port B pin 3; 5V tolerant with analog switch and LCD; JTAG TDO, timer, SPI, UART, LCD, or SAI; internal pull-up."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "GPIO port B pin 4; 5V tolerant with analog switch and LCD; JTAG NTRST, I2C, SPI, UART, TSC, or SAI; internal pull-up."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO port B pin 5; 5V tolerant with LCD; LPTIM, I2C, SPI, UART, TSC, COMP, SAI, or timer."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO port B pin 6; 5V tolerant with analog switch; LPTIM, I2C, UART, TSC, SAI, or timer."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO port B pin 7; 5V tolerant with analog switch and LCD; LPTIM, I2C, UART, TSC, LCD, or RTC/PVD input."
      },
      {
        "number": "94",
        "name": "PH3-BOOT0",
        "type": "input",
        "description": "Boot configuration input pin; selects boot source (flash or system memory) at power-up."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO port B pin 8; 5V tolerant with LCD; I2C clock, CAN receive, LCD, SDMMC data 4, SAI, or timer."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO port B pin 9; 5V tolerant with LCD; IR output, I2C data, SPI, CAN transmit, LCD, SDMMC data 5, or SAI."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "GPIO port E pin 0; 5V tolerant with LCD; LCD segment 36 or timer channel output."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "GPIO port E pin 1; 5V tolerant with LCD; LCD segment 37 or timer output."
      },
      {
        "number": "99",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground; must connect to 0 V reference for proper operation."
      },
      {
        "number": "100",
        "name": "VDD",
        "type": "power_out",
        "description": "Main digital supply; 1.71 to 3.6 V required."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907864424894464",
        "pages": 225,
        "sha256": "87d1543c1fa60974",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 100,
        "described": 100,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}