STM32G031F4P6

{
  "slug": "stm32g031f4p6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), TSSOP-20. Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32g031f4p6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32g031f4p6.kicad_sym",
    "stm32g031f4p6.kicad_mod",
    "stm32g031f4p6.glb",
    "stm32g031f4p6.step",
    "stm32g031f4p6.lbr",
    "docs/hero.png",
    "docs/stm32g031f4p6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32g031f4p6-hero.glb",
    "stm32g031f4p6-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32G031F4P6",
    "manufacturer": "STMicroelectronics",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908486025887744",
    "parts": {
      "symbol": "stm32g031f4p6.kicad_sym",
      "footprint": "stm32g031f4p6.kicad_mod",
      "model_3d": "stm32g031f4p6-hero.glb",
      "model_3d_plain": "stm32g031f4p6.glb",
      "model_3d_step": "stm32g031f4p6-etched.step",
      "model_3d_step_plain": "stm32g031f4p6.step",
      "lbr": "stm32g031f4p6.lbr"
    },
    "distributor_links": {
      "lcsc": "C529332",
      "digikey": "497-19773-ND",
      "mouser": "511-STM32G031F4P6"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T23:51:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-19773-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32G031F4P6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PB7/PB8",
        "type": "bidirectional",
        "description": "Bonded PB7 (FT_fa; USART1_RX, SPI2_MOSI, TIM17_CH1N, LPTIM1_IN2, I2C1_SDA, ADC_IN11, PVD_IN) and PB8 (FT_f; SPI2_SCK, TIM16_CH1, I2C1_SCL) I/O."
      },
      {
        "number": "2",
        "name": "PB9/PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Bonded PB9 (FT_f; IR_OUT, TIM17_CH1, SPI2_NSS, I2C1_SDA) and PC14 (FT; OSC32_IN/OSC_IN, TIM1_BK2) I/O; PC14 output limited to 2 MHz, 30 pF max load, not a current source."
      },
      {
        "number": "3",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "FT I/O PC15 with OSC32_OUT additional function and OSC32_EN/OSC_EN alternate functions; supplied through power switch (3 mA sink limit), output limited to 2 MHz with 30 pF max load."
      },
      {
        "number": "4",
        "name": "VDD/VDDA",
        "type": "power_in",
        "description": "Supply pin for the digital, I/O and analog domains (VDD = VDDA = VDDIO1), 1.7 V to 3.6 V, to be decoupled with ceramic capacitors close to the pin."
      },
      {
        "number": "5",
        "name": "VSS/VSSA",
        "type": "power_in",
        "description": "Ground reference for digital and analog supply, to be decoupled with VDD/VDDA."
      },
      {
        "number": "6",
        "name": "PF2-NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up (function upon reset NRST), also PF2 with MCO alternate function."
      },
      {
        "number": "7",
        "name": "PA0",
        "type": "bidirectional",
        "description": "FT_a I/O with SPI2_SCK, USART2_CTS, TIM2_CH1_ETR, LPTIM1_OUT alternate functions and ADC_IN0, TAMP_IN2, WKUP1 additional functions."
      },
      {
        "number": "8",
        "name": "PA1",
        "type": "bidirectional",
        "description": "FT_ea I/O with SPI1_SCK/I2S1_CK, USART2_RTS_DE_CK, TIM2_CH2, I2C1_SMBA, EVENTOUT alternate functions and ADC_IN1."
      },
      {
        "number": "9",
        "name": "PA2",
        "type": "bidirectional",
        "description": "FT_a I/O with SPI1_MOSI/I2S1_SD, USART2_TX, TIM2_CH3, LPUART1_TX alternate functions and ADC_IN2, WKUP4, LSCO."
      },
      {
        "number": "10",
        "name": "PA3",
        "type": "bidirectional",
        "description": "FT_ea I/O with SPI2_MISO, USART2_RX, TIM2_CH4, LPUART1_RX, EVENTOUT alternate functions and ADC_IN3."
      },
      {
        "number": "11",
        "name": "PA4",
        "type": "bidirectional",
        "description": "FT_a I/O with SPI1_NSS/I2S1_WS, SPI2_MOSI, TIM14_CH1, LPTIM2_OUT, EVENTOUT alternate functions and ADC_IN4, TAMP_IN1, RTC_TS, RTC_OUT1, WKUP2."
      },
      {
        "number": "12",
        "name": "PA5",
        "type": "bidirectional",
        "description": "FT_ea I/O with SPI1_SCK/I2S1_CK, TIM2_CH1_ETR, LPTIM2_ETR, EVENTOUT alternate functions and ADC_IN5."
      },
      {
        "number": "13",
        "name": "PA6",
        "type": "bidirectional",
        "description": "FT_ea I/O with SPI1_MISO/I2S1_MCK, TIM3_CH1, TIM1_BK, TIM16_CH1, LPUART1_CTS alternate functions and ADC_IN6."
      },
      {
        "number": "14",
        "name": "PA7",
        "type": "bidirectional",
        "description": "FT_a I/O with SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM1_CH1N, TIM14_CH1, TIM17_CH1 alternate functions and ADC_IN7."
      },
      {
        "number": "15",
        "name": "PB0/PB1/PB2/PA8",
        "type": "bidirectional",
        "description": "Four bonded I/Os PB0, PB1, PB2 (FT_ea, ADC_IN8/9/10, TIM3/TIM1/LPTIM/SPI functions) and PA8 (FT; MCO, SPI2_NSS, TIM1_CH1, LPTIM2_OUT, EVENTOUT)."
      },
      {
        "number": "16",
        "name": "PA11 [PA9]",
        "type": "bidirectional",
        "description": "FT_fa I/O with SPI1_MISO/I2S1_MCK, USART1_CTS, TIM1_CH4, TIM1_BK2, I2C2_SCL alternate functions and ADC_IN15; can be remapped to PA9 via SYSCFG_CFGR1."
      },
      {
        "number": "17",
        "name": "PA12 [PA10]",
        "type": "bidirectional",
        "description": "FT_fa I/O with SPI1_MOSI/I2S1_SD, USART1_RTS_DE_CK, TIM1_ETR, I2S_CKIN, I2C2_SDA alternate functions and ADC_IN16; can be remapped to PA10 via SYSCFG_CFGR1."
      },
      {
        "number": "18",
        "name": "PA13",
        "type": "bidirectional",
        "description": "FT_ea I/O, SWDIO upon reset with internal pull-up active, plus IR_OUT, EVENTOUT and ADC_IN17."
      },
      {
        "number": "19",
        "name": "PA14-BOOT0/PA15",
        "type": "bidirectional",
        "description": "Bonded PA14-BOOT0 (SWCLK upon reset with internal pull-down active, USART2_TX, ADC_IN18, BOOT0) and PA15 (FT; SPI1_NSS/I2S1_WS, USART2_RX, TIM2_CH1_ETR) I/O."
      },
      {
        "number": "20",
        "name": "PB3/PB4/PB5/PB6",
        "type": "bidirectional",
        "description": "Four bonded FT I/Os: PB3, PB4, PB5 (WKUP6) and PB6 (FT_f) with SPI1, TIM, USART1, LPTIM1, I2C1 alternate functions."
      }
    ],
    "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: TSSOP20 pinout diagram (Figure 8, page 34) shows multiple GPIO options per physical pin using '/' no; Table 12 (Pin assignment and description, pages 36-39) package column numbering for TSSOP20 does not"
        ],
        "pages_sent": 56,
        "cost_usd": 0.4293,
        "at": "2026-10-05T23:50:45"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588908486025887744",
        "pages": 117,
        "sha256": "0fc5e46abdba3d02",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}