STM32G431K6U6

{
  "slug": "stm32g431k6u6",
  "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",
    "stm32g431k6u6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32g431k6u6.kicad_sym",
    "stm32g431k6u6.kicad_mod",
    "stm32g431k6u6.glb",
    "stm32g431k6u6.step",
    "stm32g431k6u6.lbr",
    "docs/hero.png",
    "docs/stm32g431k6u6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "STM32G431K6U6",
    "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/8588940324853469184",
    "parts": {
      "symbol": "stm32g431k6u6.kicad_sym",
      "footprint": "stm32g431k6u6.kicad_mod",
      "model_3d": "stm32g431k6u6-etched.glb",
      "model_3d_plain": "stm32g431k6u6.glb",
      "model_3d_step": "stm32g431k6u6-etched.step",
      "model_3d_step_plain": "stm32g431k6u6.step",
      "lbr": "stm32g431k6u6.lbr"
    },
    "distributor_links": {
      "lcsc": "C1236625",
      "digikey": "497-STM32G431K6U6-ND",
      "mouser": "511-STM32G431K6U6"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T18:06:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32G431K6U6-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32G431K6U6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply voltage input, 1.71 V to 3.6 V."
      },
      {
        "number": "2",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "General-purpose I/O with analog switch and Fm+ capable, 5 V tolerant, externally usable as oscillator input."
      },
      {
        "number": "3",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O with analog switch, 5 V tolerant, externally usable as oscillator output."
      },
      {
        "number": "4",
        "name": "PG10-NRST",
        "type": "bidirectional",
        "description": "Reset pin with internal weak pull-up, 5 V tolerant, bidirectional with embedded pull-up resistor."
      },
      {
        "number": "5",
        "name": "PA0",
        "type": "bidirectional",
        "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports multiple alternate functions including TIM2_CH1 and ADC12_IN1."
      },
      {
        "number": "6",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports multiple alternate functions including TIM2_CH2 and ADC12_IN2."
      },
      {
        "number": "7",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including USART2_TX and ADC1_IN3."
      },
      {
        "number": "8",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports multiple alternate functions including TIM2_CH4 and ADC1_IN4."
      },
      {
        "number": "9",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including SPI1_NSS and ADC2_IN17."
      },
      {
        "number": "10",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including SPI1_SCK and ADC2_IN13."
      },
      {
        "number": "11",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including TIM16_CH1 and ADC2_IN3."
      },
      {
        "number": "12",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including TIM17_CH1 and ADC2_IN4."
      },
      {
        "number": "13",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General-purpose I/O with analog switch, 3.6 V tolerant, supports alternate functions including TIM3_CH3 and ADC1_IN15."
      },
      {
        "number": "14",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground reference for ADC, DAC, OPAMP, and COMP circuits."
      },
      {
        "number": "15",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply for ADC, DAC, OPAMP, COMP, and VREFBUF, 1.62 V to 3.6 V when ADC/COMP/DAC/OPAMP used."
      },
      {
        "number": "16",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference, connection point to external power supply."
      },
      {
        "number": "17",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply voltage input, 1.71 V to 3.6 V."
      },
      {
        "number": "18",
        "name": "PA8",
        "type": "bidirectional",
        "description": "General-purpose I/O with Fm+ capability, 5 V tolerant, supports alternate functions including MCO, I2C3_SCL, and TIM1_CH1."
      },
      {
        "number": "19",
        "name": "PA9",
        "type": "bidirectional",
        "description": "General-purpose I/O with Fm+ capability and USB Type-C dead battery function, 5 V tolerant, supports alternate functions including USART1_TX."
      },
      {
        "number": "20",
        "name": "PA10",
        "type": "bidirectional",
        "description": "General-purpose I/O with USB Type-C dead battery function, 5 V tolerant, supports alternate functions including USART1_RX and USB_CRS_SYNC."
      },
      {
        "number": "21",
        "name": "PA11",
        "type": "bidirectional",
        "description": "General-purpose I/O with USB capability, 5 V tolerant, supports alternate functions including USB_DM and FDCAN1_RX."
      },
      {
        "number": "22",
        "name": "PA12",
        "type": "bidirectional",
        "description": "General-purpose I/O with USB capability, 5 V tolerant, supports alternate functions including USB_DP and FDCAN1_TX."
      },
      {
        "number": "23",
        "name": "PA13",
        "type": "bidirectional",
        "description": "General-purpose I/O with Fm+ capability, 5 V tolerant, configured as SWDIO-JTMS after reset with internal pull-up."
      },
      {
        "number": "24",
        "name": "PA14",
        "type": "bidirectional",
        "description": "General-purpose I/O with Fm+ capability, 5 V tolerant, configured as SWCLK-JTCK after reset with internal pull-down."
      },
      {
        "number": "25",
        "name": "PA15",
        "type": "bidirectional",
        "description": "General-purpose I/O with Fm+ capability, 5 V tolerant, configured as JTDI after reset with internal pull-up."
      },
      {
        "number": "26",
        "name": "PB3",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, configured as JTDO-TRACESWO after reset, supports alternate functions including SPI1_SCK and USART2_TX."
      },
      {
        "number": "27",
        "name": "PB4",
        "type": "bidirectional",
        "description": "General-purpose I/O with USB Type-C PD capability, 5 V tolerant, configured as JTRST after reset, implements UCPD1_CC2 with internal pull-down."
      },
      {
        "number": "28",
        "name": "PB5",
        "type": "bidirectional",
        "description": "General-purpose I/O with Fm+ capability, 5 V tolerant, supports alternate functions including SPI1_MOSI and TIM16_BKIN."
      },
      {
        "number": "29",
        "name": "PB6",
        "type": "bidirectional",
        "description": "General-purpose I/O with USB Type-C PD capability, 5 V tolerant, implements UCPD1_CC1 with internal pull-down."
      },
      {
        "number": "30",
        "name": "PB7",
        "type": "bidirectional",
        "description": "General-purpose I/O with Fm+ capability, 5 V tolerant, supports alternate functions including I2C1_SDA and USART1_RX."
      },
      {
        "number": "31",
        "name": "PB8-BOOT0",
        "type": "bidirectional",
        "description": "Dedicated boot mode selection pin and general-purpose I/O with Fm+ capability, 5 V tolerant, recommends setting to non-analog mode after startup to limit consumption."
      },
      {
        "number": "32",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference, connection point to external power supply."
      },
      {
        "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": 76,
        "cost_usd": 1.4523,
        "at": "2026-10-01T18:06:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588940324853469184",
        "pages": 197,
        "sha256": "caaa126a00ab9e06",
        "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"
    }
  }
}