STM32G031C6U6

{
  "slug": "stm32g031c6u6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32g031c6u6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32g031c6u6.kicad_sym",
    "stm32g031c6u6.kicad_mod",
    "stm32g031c6u6.glb",
    "stm32g031c6u6.step",
    "stm32g031c6u6.lbr",
    "docs/hero.png",
    "docs/stm32g031c6u6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32g031c6u6-hero.glb",
    "stm32g031c6u6-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32G031C6U6",
    "manufacturer": "STMicroelectronics",
    "package": "UFQFPN-48(7x7)",
    "pin_count": 49,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886244483084288",
    "parts": {
      "symbol": "stm32g031c6u6.kicad_sym",
      "footprint": "stm32g031c6u6.kicad_mod",
      "model_3d": "stm32g031c6u6-hero.glb",
      "model_3d_plain": "stm32g031c6u6.glb",
      "model_3d_step": "stm32g031c6u6-etched.step",
      "model_3d_step_plain": "stm32g031c6u6.step",
      "lbr": "stm32g031c6u6.lbr"
    },
    "distributor_links": {
      "lcsc": "C432208",
      "digikey": "497-19559-ND",
      "mouser": "511-STM32G031C6U6"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T01:58:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-19559-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32G031C6U6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PC13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with alternate function TIM1_BK and additional functions TAMP_IN1, RTC_TS, RTC_OUT1 and WKUP2."
      },
      {
        "number": "2",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that doubles as the 32.768 kHz low-speed oscillator input OSC32_IN, with alternate function TIM1_BK2."
      },
      {
        "number": "3",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that doubles as the 32.768 kHz low-speed oscillator output OSC32_OUT, with alternate functions OSC32_EN and OSC_EN."
      },
      {
        "number": "4",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup-domain supply input (1.55 V to 3.6 V) that powers the RTC, TAMP, LSE oscillator and backup registers when VDD is not present."
      },
      {
        "number": "5",
        "name": "VREF+",
        "type": "power_in",
        "description": "ADC reference input or output of the internal voltage reference buffer when enabled; when VDDA < 2 V it must equal VDDA, and when VDDA ≥ 2 V it must be between 2 V and VDDA."
      },
      {
        "number": "6",
        "name": "VDD/VDDA",
        "type": "power_in",
        "description": "Main supply pin of 1.7 V to 3.6 V for the core, I/O ring and analog blocks (ADC requires VDDA ≥ 1.62 V and VREFBUF requires VDDA ≥ 2.4 V)."
      },
      {
        "number": "7",
        "name": "VSS/VSSA",
        "type": "power_in",
        "description": "Ground pin for the digital and analog supplies, which must always be connected to the external ground."
      },
      {
        "number": "8",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that doubles as the high-speed oscillator input OSC_IN, with alternate function TIM14_CH1."
      },
      {
        "number": "9",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that doubles as the high-speed oscillator output OSC_OUT, with alternate function OSC_EN."
      },
      {
        "number": "10",
        "name": "PF2-NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up resistor (NRST), which also carries alternate function MCO on PF2."
      },
      {
        "number": "11",
        "name": "PA0",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) offering SPI2_SCK, USART2_CTS, TIM2_CH1_ETR and LPTIM1_OUT, plus ADC_IN0, TAMP_IN2 and WKUP1 as additional functions."
      },
      {
        "number": "12",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch and switchable VDD diode (FT_ea) offering SPI1_SCK/I2S1_CK, USART2_RTS_DE_CK, TIM2_CH2, I2C1_SMBA and EVENTOUT, plus ADC_IN1."
      },
      {
        "number": "13",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) offering SPI1_MOSI/I2S1_SD, USART2_TX, TIM2_CH3 and LPUART1_TX, plus ADC_IN2, WKUP4 and LSCO."
      },
      {
        "number": "14",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch and switchable VDD diode (FT_ea) offering SPI2_MISO, USART2_RX, TIM2_CH4, LPUART1_RX and EVENTOUT, plus ADC_IN3."
      },
      {
        "number": "15",
        "name": "PA4",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) offering SPI1_NSS/I2S1_WS, SPI2_MOSI, TIM14_CH1, LPTIM2_OUT and EVENTOUT, plus ADC_IN4 and RTC_OUT2."
      },
      {
        "number": "16",
        "name": "PA5",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch and switchable VDD diode (FT_ea) offering SPI1_SCK/I2S1_CK, TIM2_CH1_ETR, LPTIM2_ETR and EVENTOUT, plus ADC_IN5."
      },
      {
        "number": "17",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch and switchable VDD diode (FT_ea) offering SPI1_MISO/I2S1_MCK, TIM3_CH1, TIM1_BK, TIM16_CH1 and LPUART1_CTS, plus ADC_IN6."
      },
      {
        "number": "18",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) offering SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM1_CH1N, TIM14_CH1 and TIM17_CH1, plus ADC_IN7."
      },
      {
        "number": "19",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch and switchable VDD diode (FT_ea) offering SPI1_NSS/I2S1_WS, TIM3_CH3, TIM1_CH2N and LPTIM1_OUT, plus ADC_IN8."
      },
      {
        "number": "20",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch and switchable VDD diode (FT_ea) offering TIM14_CH1, TIM3_CH4, TIM1_CH3N, LPTIM2_IN1, LPUART1_RTS_DE and EVENTOUT, plus ADC_IN9."
      },
      {
        "number": "21",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch and switchable VDD diode (FT_ea) offering SPI2_MISO, LPTIM1_OUT and EVENTOUT, plus ADC_IN10."
      },
      {
        "number": "22",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with Fm+ capability and analog switch function (FT_fa) offering LPUART1_RX, TIM2_CH3, SPI2_SCK and I2C2_SCL, plus ADC_IN11."
      },
      {
        "number": "23",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with Fm+ capability and analog switch function (FT_fa) offering SPI2_MOSI, LPUART1_TX, TIM2_CH4 and I2C2_SDA, plus ADC_IN15."
      },
      {
        "number": "24",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) offering SPI2_NSS, LPUART1_RTS_DE, TIM1_BK and EVENTOUT, plus ADC_IN16."
      },
      {
        "number": "25",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with Fm+ capability (FT_f) offering SPI2_SCK, LPUART1_CTS, TIM1_CH1N, I2C2_SCL and EVENTOUT."
      },
      {
        "number": "26",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with Fm+ capability (FT_f) offering SPI2_MISO, TIM1_CH2N, I2C2_SDA and EVENTOUT."
      },
      {
        "number": "27",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) offering SPI2_MOSI, TIM1_CH3N and EVENTOUT, with RTC_REFIN as an additional function."
      },
      {
        "number": "28",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) offering MCO, SPI2_NSS, TIM1_CH1, LPTIM2_OUT and EVENTOUT."
      },
      {
        "number": "29",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with Fm+ capability (FT_f) offering MCO, USART1_TX, TIM1_CH2, SPI2_MISO, I2C1_SCL and EVENTOUT."
      },
      {
        "number": "30",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) offering TIM3_CH1 and TIM2_CH3."
      },
      {
        "number": "31",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) offering TIM3_CH2 and TIM2_CH4."
      },
      {
        "number": "32",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with Fm+ capability (FT_f) offering SPI2_MOSI, USART1_RX, TIM1_CH3, TIM17_BKIN, I2C1_SDA and EVENTOUT."
      },
      {
        "number": "33",
        "name": "PA11 [PA9]",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with Fm+ capability (FT_f) offering SPI1_MISO/I2S1_MCK, USART1_CTS, TIM1_CH4, TIM1_BKIN2 and I2C2_SCL; the bracketed PA9 is the remap alternative name."
      },
      {
        "number": "34",
        "name": "PA12 [PA10]",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with Fm+ capability (FT_f) offering SPI1_MOSI/I2S1_SD, USART1_RTS_DE_CK, TIM1_ETR, I2S_CKIN and I2C2_SDA; the bracketed PA10 is the remap alternative name."
      },
      {
        "number": "35",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch and switchable VDD diode (FT_ea) offering SWDIO, IR_OUT and EVENTOUT, plus ADC_IN17."
      },
      {
        "number": "36",
        "name": "PA14-BOOT0",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) offering SWCLK, USART2_TX and EVENTOUT, which also serves as the BOOT0 boot-mode pin and ADC_IN18 input."
      },
      {
        "number": "37",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) offering SPI1_NSS/I2S1_WS, USART2_RX, TIM2_CH1_ETR and EVENTOUT."
      },
      {
        "number": "38",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) offering EVENTOUT, SPI2_NSS and TIM16_CH1."
      },
      {
        "number": "39",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) offering EVENTOUT, SPI2_SCK and TIM17_CH1."
      },
      {
        "number": "40",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) offering TIM3_ETR and TIM1_CH1N."
      },
      {
        "number": "41",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) offering USART2_CTS, SPI2_MISO and TIM1_CH2N."
      },
      {
        "number": "42",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) offering SPI1_SCK/I2S1_CK, TIM1_CH2, TIM2_CH2, USART1_RTS_DE_CK and EVENTOUT."
      },
      {
        "number": "43",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) offering SPI1_MISO/I2S1_MCK, TIM3_CH1, USART1_CTS, TIM17_BKIN and EVENTOUT."
      },
      {
        "number": "44",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) offering SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM16_BKIN, LPTIM1_IN1 and I2C1_SMBA, with WKUP6 as an additional function."
      },
      {
        "number": "45",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with Fm+ capability (FT_f) offering USART1_TX, TIM1_CH3, TIM16_CH1N, SPI2_MISO, LPTIM1_ETR, I2C1_SCL and EVENTOUT."
      },
      {
        "number": "46",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with Fm+ capability (FT_f) offering USART1_RX, SPI2_MOSI, TIM17_CH1N, LPTIM1_IN2, I2C1_SDA and EVENTOUT, with PVD_IN as an additional function."
      },
      {
        "number": "47",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with Fm+ capability (FT_f) offering SPI2_SCK, TIM16_CH1, I2C1_SCL and EVENTOUT."
      },
      {
        "number": "48",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with Fm+ capability (FT_f) offering IR_OUT, TIM17_CH1, SPI2_NSS, I2C1_SDA and EVENTOUT."
      },
      {
        "number": "49",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The UFQFPN48 exposed die pad on the underside is not a numbered pin in Table 12 and is not included ; Table 12 has a single pin-number column shared by LQFP48 and UFQFPN48, so these numbers apply to the; Pin types use KiCad ERC classes. The datasheet lists all general-purpose I/Os and the reset pin as I",
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 55,
        "cost_usd": 0.2674,
        "at": "2026-10-08T01:57:47"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886244483084288",
        "pages": 117,
        "sha256": "95ae804dbf135590",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stm32g031c6u6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32g031c6u6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f4eb826e8a96203b652869e411a91b456ec5aaa9333f4ed1bbe10885da90064f",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}