STM32G071C8U3

{
  "slug": "stm32g071c8u3",
  "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",
    "stm32g071c8u3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32g071c8u3.kicad_sym",
    "stm32g071c8u3.kicad_mod",
    "stm32g071c8u3.glb",
    "stm32g071c8u3.step",
    "stm32g071c8u3.lbr",
    "docs/hero.png",
    "docs/stm32g071c8u3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32g071c8u3-hero.glb",
    "stm32g071c8u3-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32G071C8U3",
    "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/8589808149122756608",
    "parts": {
      "symbol": "stm32g071c8u3.kicad_sym",
      "footprint": "stm32g071c8u3.kicad_mod",
      "model_3d": "stm32g071c8u3-hero.glb",
      "model_3d_plain": "stm32g071c8u3.glb",
      "model_3d_step": "stm32g071c8u3-etched.step",
      "model_3d_step_plain": "stm32g071c8u3.step",
      "lbr": "stm32g071c8u3.lbr"
    },
    "distributor_links": {
      "lcsc": 3014317,
      "digikey": "497-STM32G071C8U3-ND",
      "mouser": "511-STM32G071C8U3"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T00:20:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32G071C8U3-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32G071C8U3",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PC13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO supplied via the power switch (output limited to 2 MHz, 30 pF, no LED drive); alternate TIM1_BKIN, additional TAMP_IN1, RTC_TS, RTC_OUT1, WKUP2."
      },
      {
        "number": "2",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (PC14) supplied via the power switch, also the 32 kHz LSE oscillator input OSC32_IN; alternate TIM1_BKIN2."
      },
      {
        "number": "3",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (PC15) supplied via the power switch, also the 32 kHz LSE oscillator output OSC32_OUT; alternates OSC32_EN, OSC_EN, TIM15_BKIN."
      },
      {
        "number": "4",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup supply (1.55 V to 3.6 V) for RTC, TAMP, LSE oscillator and backup registers when VDD is not present."
      },
      {
        "number": "5",
        "name": "VREF+",
        "type": "power_in",
        "description": "Analog reference voltage input or output of the internal voltage reference buffer (VREF_OUT); must equal VDDA when VDDA < 2 V, between 2 V and VDDA otherwise."
      },
      {
        "number": "6",
        "name": "VDD/VDDA",
        "type": "power_in",
        "description": "Digital and analog supply pin, 1.7 V to 3.6 V, to be decoupled with 100 nF + 4.7 µF ceramic capacitors placed close to the pin."
      },
      {
        "number": "7",
        "name": "VSS/VSSA",
        "type": "power_in",
        "description": "Digital and analog ground pin."
      },
      {
        "number": "8",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (PF0) and HSE crystal oscillator input OSC_IN; alternate TIM14_CH1."
      },
      {
        "number": "9",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (PF1) and HSE crystal oscillator output OSC_OUT; alternates OSC_EN, TIM15_CH1N."
      },
      {
        "number": "10",
        "name": "PF2-NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up (NRST), also GPIO PF2 with MCO alternate function."
      },
      {
        "number": "11",
        "name": "PA0",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function; SPI2_SCK, USART2_CTS, TIM2_CH1_ETR, USART4_TX, LPTIM1_OUT, COMP1_OUT, COMP1_INM, ADC_IN0, TAMP_IN2, WKUP1."
      },
      {
        "number": "12",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function; SPI1_SCK/I2S1_CK, USART2_RTS_DE_CK, TIM2_CH2, USART4_RX, I2C1_SMBA, COMP1_INP, ADC_IN1."
      },
      {
        "number": "13",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function; SPI1_MOSI/I2S1_SD, USART2_TX, TIM2_CH3, LPUART1_TX, COMP2_OUT, COMP2_INM, ADC_IN2, WKUP4, LSCO."
      },
      {
        "number": "14",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function; SPI2_MISO, USART2_RX, TIM2_CH4, LPUART1_RX, COMP2_INP, ADC_IN3."
      },
      {
        "number": "15",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.6 V-tolerant (TT) GPIO with analog function; SPI1_NSS/I2S1_WS, SPI2_MOSI, TIM14_CH1, LPTIM2_OUT, ADC_IN4, DAC_OUT1, RTC_OUT2."
      },
      {
        "number": "16",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.6 V-tolerant (TT) GPIO with analog function; SPI1_SCK/I2S1_CK, CEC, TIM2_CH1_ETR, USART3_TX, LPTIM2_ETR, ADC_IN5, DAC_OUT2."
      },
      {
        "number": "17",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function; SPI1_MISO/I2S1_MCK, TIM3_CH1, TIM1_BKIN, USART3_CTS, TIM16_CH1, LPUART1_CTS, COMP1_OUT, ADC_IN6."
      },
      {
        "number": "18",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function; SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM1_CH1N, TIM14_CH1, TIM17_CH1, COMP2_OUT, ADC_IN7."
      },
      {
        "number": "19",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function; SPI1_NSS/I2S1_WS, TIM3_CH3, TIM1_CH2N, USART3_RX, LPTIM1_OUT, COMP1_OUT, ADC_IN8."
      },
      {
        "number": "20",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function; TIM14_CH1, TIM3_CH4, TIM1_CH3N, USART3_RTS_DE_CK, LPTIM2_IN1, LPUART1_RTS_DE, COMP1_INM, ADC_IN9."
      },
      {
        "number": "21",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function; SPI2_MISO, USART3_TX, LPTIM1_OUT, COMP1_INP, ADC_IN10."
      },
      {
        "number": "22",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant Fm+ capable GPIO with analog function; CEC, LPUART1_RX, TIM2_CH3, USART3_TX, SPI2_SCK, I2C2_SCL, COMP1_OUT, ADC_IN11."
      },
      {
        "number": "23",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant Fm+ capable GPIO with analog function; SPI2_MOSI, LPUART1_TX, TIM2_CH4, USART3_RX, I2C2_SDA, COMP2_OUT, ADC_IN15."
      },
      {
        "number": "24",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function; SPI2_NSS, LPUART1_RTS_DE, TIM1_BKIN, TIM15_BKIN, ADC_IN16."
      },
      {
        "number": "25",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant Fm+ capable GPIO; SPI2_SCK, LPUART1_CTS, TIM1_CH1N, USART3_CTS, TIM15_CH1N, I2C2_SCL."
      },
      {
        "number": "26",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant Fm+ capable GPIO; SPI2_MISO, TIM1_CH2N, USART3_RTS_DE_CK, TIM15_CH1, I2C2_SDA."
      },
      {
        "number": "27",
        "name": "PB15",
        "type": "bidirectional",
        "description": "USB Type-C PD capable GPIO (FT_c, 5.0 V max input); SPI2_MOSI, TIM1_CH3N, TIM15_CH1N, TIM15_CH2, UCPD1_CC2, RTC_REFIN; a pull-down may be present on reset."
      },
      {
        "number": "28",
        "name": "PA8",
        "type": "bidirectional",
        "description": "USB Type-C PD capable GPIO (FT_c); MCO, SPI2_NSS, TIM1_CH1, LPTIM2_OUT, UCPD1_CC1; a pull-down may be present on reset."
      },
      {
        "number": "29",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant Fm+ capable GPIO with USB Type-C dead battery function; MCO, USART1_TX, TIM1_CH2, SPI2_MISO, I2C1_SCL, UCPD1_DBCC1."
      },
      {
        "number": "30",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO; UCPD1_FRSTX, TIM3_CH1, TIM2_CH3."
      },
      {
        "number": "31",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO; UCPD2_FRSTX, TIM3_CH2, TIM2_CH4."
      },
      {
        "number": "32",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant Fm+ capable GPIO with USB Type-C dead battery function; SPI2_MOSI, USART1_RX, TIM1_CH3, TIM17_BKIN, I2C1_SDA, UCPD1_DBCC2."
      },
      {
        "number": "33",
        "name": "PA11 [PA9]",
        "type": "bidirectional",
        "description": "5 V-tolerant Fm+ capable GPIO; SPI1_MISO/I2S1_MCK, USART1_CTS, TIM1_CH4, TIM1_BKIN2, I2C2_SCL, COMP1_OUT; can be remapped to PA9 via SYSCFG_CFGR1."
      },
      {
        "number": "34",
        "name": "PA12 [PA10]",
        "type": "bidirectional",
        "description": "5 V-tolerant Fm+ capable GPIO; SPI1_MOSI/I2S1_SD, USART1_RTS_DE_CK, TIM1_ETR, I2S_CKIN, I2C2_SDA, COMP2_OUT; can be remapped to PA10 via SYSCFG_CFGR1."
      },
      {
        "number": "35",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO; SWDIO at reset with internal pull-up active, also IR_OUT, EVENTOUT."
      },
      {
        "number": "36",
        "name": "PA14-BOOT0",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO; SWCLK at reset with internal pull-down active, also BOOT0, USART2_TX, EVENTOUT."
      },
      {
        "number": "37",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO; SPI1_NSS/I2S1_WS, USART2_RX, TIM2_CH1_ETR, USART4_RTS_DE_CK, USART3_RTS_DE_CK, EVENTOUT."
      },
      {
        "number": "38",
        "name": "PD0",
        "type": "bidirectional",
        "description": "USB Type-C PD capable GPIO (FT_c); EVENTOUT, SPI2_NSS, TIM16_CH1, UCPD2_CC1; a pull-down may be present on reset."
      },
      {
        "number": "39",
        "name": "PD1",
        "type": "bidirectional",
        "description": "USB Type-C PD dead battery capable GPIO (FT_d); EVENTOUT, SPI2_SCK, TIM17_CH1, UCPD2_DBCC1."
      },
      {
        "number": "40",
        "name": "PD2",
        "type": "bidirectional",
        "description": "USB Type-C PD capable GPIO (FT_c); USART3_RTS_DE_CK, TIM3_ETR, TIM1_CH1N, UCPD2_CC2; a pull-down may be present on reset."
      },
      {
        "number": "41",
        "name": "PD3",
        "type": "bidirectional",
        "description": "USB Type-C PD dead battery capable GPIO (FT_d); USART2_CTS, SPI2_MISO, TIM1_CH2N, UCPD2_DBCC2."
      },
      {
        "number": "42",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function; SPI1_SCK/I2S1_CK, TIM1_CH2, TIM2_CH2, USART1_RTS_DE_CK, COMP2_INM."
      },
      {
        "number": "43",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO with analog function; SPI1_MISO/I2S1_MCK, TIM3_CH1, USART1_CTS, TIM17_BKIN, COMP2_INP."
      },
      {
        "number": "44",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO; SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM16_BKIN, LPTIM1_IN1, I2C1_SMBA, COMP2_OUT, WKUP6."
      },
      {
        "number": "45",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant Fm+ capable GPIO with analog function; USART1_TX, TIM1_CH3, TIM16_CH1N, SPI2_MISO, LPTIM1_ETR, I2C1_SCL, COMP2_INP."
      },
      {
        "number": "46",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant Fm+ capable GPIO with analog function; USART1_RX, SPI2_MOSI, TIM17_CH1N, USART4_CTS, LPTIM1_IN2, I2C1_SDA, COMP2_INM, PVD_IN."
      },
      {
        "number": "47",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant Fm+ capable GPIO; CEC, SPI2_SCK, TIM16_CH1, USART3_TX, TIM15_BKIN, I2C1_SCL."
      },
      {
        "number": "48",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant Fm+ capable GPIO; IR_OUT, UCPD2_FRSTX, TIM17_CH1, USART3_RX, SPI2_NSS, I2C1_SDA."
      },
      {
        "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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Several GPIO pins have multiplexed functions via USB Type-C PD controller (UCPD1/UCPD2) with CC and ",
          "exposed pad 49 added from the footprint",
          "1/49 pins cited to the wrong page (name found elsewhere): ['20:VSS/VSSA@p17']"
        ],
        "pages_sent": 66,
        "cost_usd": 0.4596,
        "at": "2026-10-03T00:19:55"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589808149122756608",
        "pages": 135,
        "sha256": "5f6d9bac3422cd51",
        "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"
    }
  }
}