STM32L071KBU6

{
  "slug": "stm32l071kbu6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-32(5x5). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32l071kbu6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32l071kbu6.kicad_sym",
    "stm32l071kbu6.kicad_mod",
    "stm32l071kbu6.glb",
    "stm32l071kbu6.step",
    "stm32l071kbu6.lbr",
    "docs/hero.png",
    "docs/stm32l071kbu6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "STM32L071KBU6",
    "manufacturer": "STMicroelectronics",
    "package": "UFQFPN-32(5x5)",
    "pin_count": 33,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886724563120128",
    "parts": {
      "symbol": "stm32l071kbu6.kicad_sym",
      "footprint": "stm32l071kbu6.kicad_mod",
      "model_3d": "stm32l071kbu6-etched.glb",
      "model_3d_plain": "stm32l071kbu6.glb",
      "model_3d_step": "stm32l071kbu6-etched.step",
      "model_3d_step_plain": "stm32l071kbu6.step",
      "lbr": "stm32l071kbu6.lbr"
    },
    "distributor_links": {
      "lcsc": "C911078",
      "digikey": "497-17499-ND",
      "mouser": "511-STM32L071KBU6"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T17:48:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-17499-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L071KBU6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Port C pin 14 configured as external 32.768 kHz oscillator input, 5V tolerant I/O"
      },
      {
        "number": "2",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Port C pin 15 configured as external 32.768 kHz oscillator output, standard 3.3V I/O"
      },
      {
        "number": "3",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset input pin with embedded weak pull-up resistor and filtering capability"
      },
      {
        "number": "4",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground reference supply pin, 0 V"
      },
      {
        "number": "5",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply pin for ADC and comparators, 1.65 to 3.6 V"
      },
      {
        "number": "6",
        "name": "PA0",
        "type": "bidirectional",
        "description": "Port A pin 0, TTL I/O with ADC_IN0, comparator input/output, timer and USART alternate functions"
      },
      {
        "number": "7",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Port A pin 1, 5V tolerant I/O with ADC_IN1, comparator input, timer and USART alternate functions"
      },
      {
        "number": "8",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Port A pin 2, 5V tolerant I/O with ADC_IN2, USART2_TX, LPUART1_TX, comparator output"
      },
      {
        "number": "9",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Port A pin 3, 5V tolerant I/O with ADC_IN3, USART2_RX, LPUART1_RX, comparator input"
      },
      {
        "number": "10",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Port A pin 4, 3.3V I/O with ADC_IN4, SPI1_NSS, timer and comparator inputs"
      },
      {
        "number": "11",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Port A pin 5, 3.3V I/O with ADC_IN5, SPI1_SCK, timer and comparator inputs"
      },
      {
        "number": "12",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Port A pin 6, 5V tolerant I/O with ADC_IN6, SPI1_MISO, LPUART1_CTS, timer CH1, comparator output"
      },
      {
        "number": "13",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Port A pin 7, 5V tolerant I/O with ADC_IN7, SPI1_MOSI, timer CH2, comparator output"
      },
      {
        "number": "14",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Port B pin 0, 5V tolerant I/O with ADC_IN8, timer CH3, reference voltage output capability"
      },
      {
        "number": "15",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Port B pin 1, 5V tolerant I/O with ADC_IN9, timer CH4, LPUART1_RTS/DE, reference voltage output"
      },
      {
        "number": "16",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference supply pin, 0 V"
      },
      {
        "number": "17",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital power supply pin, 1.65 to 3.6 V"
      },
      {
        "number": "18",
        "name": "PA8",
        "type": "bidirectional",
        "description": "Port A pin 8, 5V tolerant FM+ I/O with microcontroller clock output, USART1_CK, I2C3_SCL"
      },
      {
        "number": "19",
        "name": "PA9",
        "type": "bidirectional",
        "description": "Port A pin 9, 5V tolerant FM+ I/O with microcontroller clock output, USART1_TX, I2C1_SCL, I2C3_SMBA"
      },
      {
        "number": "20",
        "name": "PA10",
        "type": "bidirectional",
        "description": "Port A pin 10, 5V tolerant FM+ I/O with USART1_RX, I2C1_SDA"
      },
      {
        "number": "21",
        "name": "PA11",
        "type": "bidirectional",
        "description": "Port A pin 11, 5V tolerant I/O supplied by VDDIO2, SPI1_MISO, USART1_CTS, comparator output"
      },
      {
        "number": "22",
        "name": "PA12",
        "type": "bidirectional",
        "description": "Port A pin 12, 5V tolerant I/O supplied by VDDIO2, SPI1_MOSI, USART1_RTS/DE, comparator output"
      },
      {
        "number": "23",
        "name": "PA13",
        "type": "bidirectional",
        "description": "Port A pin 13, 5V tolerant I/O with SWDIO serial wire debug function, LPUART1_RX"
      },
      {
        "number": "24",
        "name": "VDDIO2",
        "type": "power_in",
        "description": "Independent I/O power supply for PA11 and PA12 pins, 1.65 to 3.6 V"
      },
      {
        "number": "25",
        "name": "PA14",
        "type": "bidirectional",
        "description": "Port A pin 14, 5V tolerant I/O with SWCLK serial wire debug function, USART2_TX, LPUART1_TX"
      },
      {
        "number": "26",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Port B pin 4, 5V tolerant FM+ I/O with SPI1_MISO, timer CH1, USART1_CTS, USART5_RX, I2C3_SDA, comparator input"
      },
      {
        "number": "27",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Port B pin 5, 5V tolerant I/O with SPI1_MOSI, LPTIM1 inputs, I2C1_SMBA, timer channels, USART clocking, comparator input"
      },
      {
        "number": "28",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Port B pin 6, 5V tolerant FM+ I/O with USART1_TX, I2C1_SCL, LPTIM1_ETR, comparator input"
      },
      {
        "number": "29",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Port B pin 7, 5V tolerant FM+ I/O with USART1_RX, I2C1_SDA, LPTIM1_IN2, comparator inputs and PVD function"
      },
      {
        "number": "30",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated boot mode selection input pin, determines boot source at power-on or reset"
      },
      {
        "number": "31",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference supply pin, 0 V"
      },
      {
        "number": "32",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital power supply pin, 1.65 to 3.6 V"
      },
      {
        "number": "33",
        "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-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 148,
        "cost_usd": 1.6856,
        "at": "2026-10-01T17:48:29"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886724563120128",
        "pages": 148,
        "sha256": "f413c7ce36b98e6c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}