STM32G031K8U6

{
  "slug": "stm32g031k8u6",
  "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",
    "stm32g031k8u6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32g031k8u6.kicad_sym",
    "stm32g031k8u6.kicad_mod",
    "stm32g031k8u6.glb",
    "stm32g031k8u6.step",
    "stm32g031k8u6.lbr",
    "docs/hero.png",
    "docs/stm32g031k8u6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "STM32G031K8U6",
    "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/8588886244474425344",
    "parts": {
      "symbol": "stm32g031k8u6.kicad_sym",
      "footprint": "stm32g031k8u6.kicad_mod",
      "model_3d": "stm32g031k8u6-etched.glb",
      "model_3d_plain": "stm32g031k8u6.glb",
      "model_3d_step": "stm32g031k8u6-etched.step",
      "model_3d_step_plain": "stm32g031k8u6.step",
      "lbr": "stm32g031k8u6.lbr"
    },
    "distributor_links": {
      "lcsc": "C432207",
      "digikey": "497-19558-ND",
      "mouser": "511-STM32G031K8U6"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T15:44:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-19558-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32G031K8U6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5V-tolerant, Fm+ capable I/O, default analog input at reset; alternate functions IR_OUT, TIM17_CH1, SPI2_NSS, I2C1_SDA, EVENTOUT."
      },
      {
        "number": "2",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "5V-tolerant I/O shared with the 32.768 kHz LSE oscillator input and, on this package, also carries the OSC_IN (HSE) function; alternate function TIM1_BK2."
      },
      {
        "number": "3",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "5V-tolerant I/O shared with the 32.768 kHz LSE oscillator output; alternate/enable functions OSC32_EN, OSC_EN."
      },
      {
        "number": "4",
        "name": "VDD/VDDA",
        "type": "power_in",
        "description": "Digital and analog power supply input, 1.7 V (1.6 V min) to 3.6 V, also feeds VDDIO1 (I/O) and VDDA (ADC/VREFBUF) domains."
      },
      {
        "number": "5",
        "name": "VSS/VSSA",
        "type": "power_in",
        "description": "Digital and analog ground reference pin."
      },
      {
        "number": "6",
        "name": "PF2-NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset I/O with embedded ~40 k\u03a9 weak pull-up resistor, active low; also usable for the MCO alternate function."
      },
      {
        "number": "7",
        "name": "PA0",
        "type": "bidirectional",
        "description": "5V-tolerant I/O with analog switch, default analog input at reset; alternate functions SPI2_SCK, USART2_CTS, TIM2_CH1_ETR, LPTIM1_OUT; additional functions ADC_IN0, TAMP_IN2, WKUP1."
      },
      {
        "number": "8",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5V-tolerant I/O with analog switch and switchable diode to VDD, default analog input at reset; alternate functions SPI1_SCK/I2S1_CK, USART2_RTS_DE_CK, TIM2_CH2, I2C1_SMBA, EVENTOUT; additional function ADC_IN1."
      },
      {
        "number": "9",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5V-tolerant I/O with analog switch, default analog input at reset; alternate functions SPI1_MOSI/I2S1_SD, USART2_TX, TIM2_CH3, LPUART1_TX; additional functions ADC_IN2, WKUP4, LSCO."
      },
      {
        "number": "10",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5V-tolerant I/O with analog switch and switchable diode to VDD, default analog input at reset; alternate functions SPI2_MISO, USART2_RX, TIM2_CH4, LPUART1_RX, EVENTOUT; additional function ADC_IN3."
      },
      {
        "number": "11",
        "name": "PA4",
        "type": "bidirectional",
        "description": "5V-tolerant I/O with analog switch, default analog input at reset; alternate functions SPI1_NSS/I2S1_WS, SPI2_MOSI, TIM14_CH1, LPTIM2_OUT, EVENTOUT; additional functions ADC_IN4, TAMP_IN1, RTC_TS, RTC_OUT1, WKUP2."
      },
      {
        "number": "12",
        "name": "PA5",
        "type": "bidirectional",
        "description": "5V-tolerant I/O with analog switch and switchable diode to VDD, default analog input at reset; alternate functions SPI1_SCK/I2S1_CK, TIM2_CH1_ETR, LPTIM2_ETR, EVENTOUT; additional function ADC_IN5."
      },
      {
        "number": "13",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5V-tolerant I/O with analog switch and switchable diode to VDD, default analog input at reset; alternate functions SPI1_MISO/I2S1_MCK, TIM3_CH1, TIM1_BK, TIM16_CH1, LPUART1_CTS; additional function ADC_IN6."
      },
      {
        "number": "14",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5V-tolerant I/O with analog switch, default analog input at reset; alternate functions SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM1_CH1N, TIM14_CH1, TIM17_CH1; additional function ADC_IN7."
      },
      {
        "number": "15",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5V-tolerant I/O with analog switch and switchable diode to VDD, default analog input at reset; alternate functions SPI1_NSS/I2S1_WS, TIM3_CH3, TIM1_CH2N, LPTIM1_OUT; additional function ADC_IN8."
      },
      {
        "number": "16",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5V-tolerant I/O with analog switch and switchable diode to VDD, default analog input at reset; alternate functions TIM14_CH1, TIM3_CH4, TIM1_CH3N, LPTIM2_IN1, LPUART1_RTS_DE, EVENTOUT; additional function ADC_IN9."
      },
      {
        "number": "17",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5V-tolerant I/O with analog switch and switchable diode to VDD, default analog input at reset; alternate functions SPI2_MISO, LPTIM1_OUT, EVENTOUT; additional function ADC_IN10."
      },
      {
        "number": "18",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5V-tolerant I/O, default analog input at reset; alternate functions MCO, SPI2_NSS, TIM1_CH1, LPTIM2_OUT, EVENTOUT."
      },
      {
        "number": "19",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5V-tolerant, Fm+ capable I/O, default analog input at reset; alternate functions MCO, USART1_TX, TIM1_CH2, SPI2_MISO, I2C1_SCL, EVENTOUT."
      },
      {
        "number": "20",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5V-tolerant I/O, default analog input at reset; alternate functions TIM3_CH1, TIM2_CH3."
      },
      {
        "number": "21",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5V-tolerant, Fm+ capable I/O, default analog input at reset; alternate functions SPI2_MOSI, USART1_RX, TIM1_CH3, TIM17_BK, I2C1_SDA, EVENTOUT."
      },
      {
        "number": "22",
        "name": "PA11 [PA9]",
        "type": "bidirectional",
        "description": "5V-tolerant, Fm+ capable I/O with analog switch, remappable as PA9, default analog input at reset; alternate functions SPI1_MISO/I2S1_MCK, USART1_CTS, TIM1_CH4, TIM1_BK2, I2C2_SCL; additional function ADC_IN15."
      },
      {
        "number": "23",
        "name": "PA12 [PA10]",
        "type": "bidirectional",
        "description": "5V-tolerant, Fm+ capable I/O with analog switch, remappable as PA10, default analog input at reset; alternate functions SPI1_MOSI/I2S1_SD, USART1_RTS_DE_CK, TIM1_ETR, I2S_CKIN, I2C2_SDA; additional function ADC_IN16."
      },
      {
        "number": "24",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5V-tolerant I/O with analog switch and switchable diode to VDD, default analog input at reset; primary alternate function SWDIO (serial-wire debug data), also IR_OUT, EVENTOUT; additional function ADC_IN17."
      },
      {
        "number": "25",
        "name": "PA14-BOOT0",
        "type": "bidirectional",
        "description": "5V-tolerant I/O with analog switch, default analog input at reset and also samples BOOT0 boot-mode selection at reset when enabled by option byte; alternate functions SWCLK (serial-wire debug clock), USART2_TX, EVENTOUT; additional function ADC_IN18."
      },
      {
        "number": "26",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5V-tolerant I/O, default analog input at reset; alternate functions SPI1_NSS/I2S1_WS, USART2_RX, TIM2_CH1_ETR, EVENTOUT."
      },
      {
        "number": "27",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5V-tolerant I/O, default analog input at reset; alternate functions SPI1_SCK/I2S1_CK, TIM1_CH2, TIM2_CH2, USART1_RTS_DE_CK, EVENTOUT."
      },
      {
        "number": "28",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5V-tolerant I/O, default analog input at reset; alternate functions SPI1_MISO/I2S1_MCK, TIM3_CH1, USART1_CTS, TIM17_BK, EVENTOUT."
      },
      {
        "number": "29",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5V-tolerant I/O, default analog input at reset; alternate functions SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM16_BK, LPTIM1_IN1, I2C1_SMBA; additional function WKUP6."
      },
      {
        "number": "30",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5V-tolerant, Fm+ capable I/O, default analog input at reset; alternate functions USART1_TX, TIM1_CH3, TIM16_CH1N, SPI2_MISO, LPTIM1_ETR, I2C1_SCL, EVENTOUT."
      },
      {
        "number": "31",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5V-tolerant, Fm+ capable I/O with analog switch, default analog input at reset; alternate functions USART1_RX, SPI2_MOSI, TIM17_CH1N, LPTIM1_IN2, I2C1_SDA, EVENTOUT; additional functions ADC_IN11, PVD_IN."
      },
      {
        "number": "32",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5V-tolerant, Fm+ capable I/O, default analog input at reset; alternate functions SPI2_SCK, TIM16_CH1, I2C1_SCL, EVENTOUT."
      },
      {
        "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-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 31 designation unclear from figure - diagram shows potential duplicate PA13 labeling; original f"
        ],
        "pages_sent": 117,
        "cost_usd": 0.3642,
        "at": "2026-10-01T15:44:20"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886244474425344",
        "pages": 117,
        "sha256": "95ae804dbf135590",
        "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"
    }
  }
}