STM32L422KBT6

{
  "slug": "stm32l422kbt6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-32(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32l422kbt6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32l422kbt6.kicad_sym",
    "stm32l422kbt6.kicad_mod",
    "stm32l422kbt6.glb",
    "stm32l422kbt6.step",
    "stm32l422kbt6.lbr",
    "docs/hero.png",
    "docs/stm32l422kbt6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32l422kbt6-hero.glb",
    "stm32l422kbt6-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32L422KBT6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-32(7x7)",
    "pin_count": 32,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886206004809728",
    "parts": {
      "symbol": "stm32l422kbt6.kicad_sym",
      "footprint": "stm32l422kbt6.kicad_mod",
      "model_3d": "stm32l422kbt6-hero.glb",
      "model_3d_plain": "stm32l422kbt6.glb",
      "model_3d_step": "stm32l422kbt6-etched.step",
      "model_3d_step_plain": "stm32l422kbt6.step",
      "lbr": "stm32l422kbt6.lbr"
    },
    "distributor_links": {
      "lcsc": "C529444",
      "digikey": "497-18235-ND",
      "mouser": "511-STM32L422KBT6"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T01:40:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-18235-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L422KBT6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply pin, 1.71 V to 3.6 V."
      },
      {
        "number": "2",
        "name": "PC14",
        "type": "bidirectional",
        "description": "32 kHz oscillator input (OSC32_IN) or general-purpose I/O, 5V tolerant."
      },
      {
        "number": "3",
        "name": "PC15",
        "type": "bidirectional",
        "description": "32 kHz oscillator output (OSC32_OUT) or general-purpose I/O, 5V tolerant."
      },
      {
        "number": "4",
        "name": "NRST",
        "type": "bidirectional",
        "description": "External reset input with embedded weak pull-up resistor, bidirectional reset pin."
      },
      {
        "number": "5",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply and positive reference voltage (VREF+), 1.62 V to 3.6 V when ADC/COMP used."
      },
      {
        "number": "6",
        "name": "PA0",
        "type": "bidirectional",
        "description": "General-purpose I/O with clock input capability (CK_IN), 5V tolerant with analog switch function, ADC channel input."
      },
      {
        "number": "7",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5V tolerant with analog switch function, supports TIM2/I2C1/SPI1/USART2/TIM15 alternate functions, ADC channel input."
      },
      {
        "number": "8",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5V tolerant with analog switch function, supports TIM2/USART2/LPUART1/QUADSPI alternate functions, ADC channel input."
      },
      {
        "number": "9",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General-purpose I/O, 3.6V supply tolerant with analog switch function, supports TIM2/USART2/LPUART1/QUADSPI alternate functions, OPAMP1 output."
      },
      {
        "number": "10",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O, 3.6V supply tolerant with analog switch function, supports SPI1/USART2/LPTIM2 alternate functions, ADC channel input."
      },
      {
        "number": "11",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O, 3.6V supply tolerant with analog switch function, supports TIM2/SPI1/LPTIM2 alternate functions, ADC channel input."
      },
      {
        "number": "12",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5V tolerant with analog switch function, supports TIM1/SPI1/COMP1/USART3/LPUART1/QUADSPI/TIM16 alternate functions, ADC channel input."
      },
      {
        "number": "13",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5V tolerant with FM+ I2C and analog switch function, supports TIM1/I2C3/SPI1/QUADSPI alternate functions, ADC channel input."
      },
      {
        "number": "14",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5V tolerant with analog switch function, supports TIM1/SPI1/USART3/QUADSPI/TIM16 alternate functions, ADC channel input."
      },
      {
        "number": "15",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5V tolerant with analog switch function, supports TIM1/USART3/LPUART1/QUADSPI/LPTIM2 alternate functions, ADC channel input."
      },
      {
        "number": "16",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground (reference potential for digital circuits)."
      },
      {
        "number": "17",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply pin, 1.71 V to 3.6 V."
      },
      {
        "number": "18",
        "name": "PA8",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5V tolerant, supports MCO/TIM1/USART1/LPTIM2 alternate functions."
      },
      {
        "number": "19",
        "name": "PA9",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5V tolerant with FM+ I2C capability, supports TIM1/I2C1/USART1/TIM15 alternate functions."
      },
      {
        "number": "20",
        "name": "PA10",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5V tolerant with FM+ I2C capability, supports TIM1/I2C1/USART1/USB alternate functions."
      },
      {
        "number": "21",
        "name": "PA11",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5V tolerant with USB device function, supports TIM1/SPI1/COMP1/USART1/USB-DM alternate functions."
      },
      {
        "number": "22",
        "name": "PA12",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5V tolerant with USB device function, supports TIM1/SPI1/USART1/USB-DP alternate functions."
      },
      {
        "number": "23",
        "name": "PA13",
        "type": "bidirectional",
        "description": "JTAG/SWD debug interface (SWDIO) or general-purpose I/O, 5V tolerant, supports IR_OUT/USB_NOE alternate functions."
      },
      {
        "number": "24",
        "name": "PA14",
        "type": "bidirectional",
        "description": "JTAG/SWD debug interface (SWCLK) or general-purpose I/O, 5V tolerant, supports LPTIM1_OUT/I2C1_SMBA alternate functions."
      },
      {
        "number": "25",
        "name": "PA15",
        "type": "bidirectional",
        "description": "JTAG debug input (JTDI) or general-purpose I/O, 5V tolerant, supports TIM2/USART2/SPI1/USART3/TSC alternate functions."
      },
      {
        "number": "26",
        "name": "PB3",
        "type": "bidirectional",
        "description": "JTAG debug output (TRACESWO) or general-purpose I/O, 5V tolerant with analog switch function, supports TIM2/SPI1/USART1/TSC alternate functions."
      },
      {
        "number": "27",
        "name": "PB4",
        "type": "bidirectional",
        "description": "JTAG reset (NJTRST) or general-purpose I/O, 5V tolerant with FM+ I2C and analog switch function, supports I2C3/SPI1/USART1/TSC alternate functions."
      },
      {
        "number": "28",
        "name": "PB5",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5V tolerant, supports LPTIM1/I2C1/SPI1/USART1/TSC/TIM16 alternate functions."
      },
      {
        "number": "29",
        "name": "PB6",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5V tolerant with FM+ I2C and analog switch function, supports LPTIM1/I2C1/USART1/TSC/TIM16 alternate functions."
      },
      {
        "number": "30",
        "name": "PB7",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5V tolerant with FM+ I2C and analog switch function, supports LPTIM1/I2C1/USART1/TSC alternate functions, programmable voltage detector input."
      },
      {
        "number": "31",
        "name": "PH3",
        "type": "bidirectional",
        "description": "Boot configuration input (BOOT0) or general-purpose I/O, 5V tolerant."
      },
      {
        "number": "32",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground (reference potential for digital circuits)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 5 (VDDA) serves dual purpose as both analog power supply and positive reference voltage input; t; PA3, PA4, PA5 are specified as 3.6V supply tolerant (TT_a) rather than 5V tolerant like other GPIO p",
          "15/32 pins cited to the wrong page (name found elsewhere): ['18:PA8@p55', '19:PA9@p55', '20:PA10@p55', '21:PA11@p55']"
        ],
        "pages_sent": 71,
        "cost_usd": 0.4776,
        "at": "2026-10-07T01:40:16"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886206004809728",
        "pages": 184,
        "sha256": "6bef461ef929a17c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 32,
        "described": 32,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stm32l422kbt6.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": "be0e412f1c66fee70039b0e109e0cc7c823161dda97593718afa97569bc61ce3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32l422kbt6-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": "4438c63513d9c65b849e538c509dcf268ff061852e377d8bc4f17289b280a47e",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}