STM32G474CET6

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32g474cet6",
  "title": "STM32G474CET6",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32g474cet6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32G474CET6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886231610494976",
    "parts": {
      "symbol": "stm32g474cet6.kicad_sym",
      "footprint": "stm32g474cet6.kicad_mod",
      "model_3d": "stm32g474cet6-etched.glb",
      "model_3d_plain": "stm32g474cet6.glb",
      "model_3d_step": "stm32g474cet6-etched.step",
      "model_3d_step_plain": "stm32g474cet6.step",
      "lbr": "stm32g474cet6.lbr"
    },
    "distributor_links": {
      "lcsc": "C730125",
      "digikey": "497-STM32G474CET6-ND",
      "mouser": "511-STM32G474CET6"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T07:37:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32G474CET6-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32G474CET6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup supply for RTC, LSE and backup registers, operating range 1.55 V to 3.6 V."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "FT I/O supplied through the power switch; in output mode limited to 2 MHz, 30 pF load, 3 mA sink, no LED drive; functions WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT1."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "FT I/O supplied through the power switch (limited output drive); LSE oscillator input OSC32_IN."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "FT I/O supplied through the power switch (limited output drive); LSE oscillator output OSC32_OUT."
      },
      {
        "number": "5",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "FT_fa I/O with ADC1_IN10 and HSE oscillator input OSC_IN; alternate functions I2C2_SDA, SPI2_NSS/I2S2_WS, TIM1_CH3N."
      },
      {
        "number": "6",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "FT_a I/O with ADC2_IN10, COMP3_INM and HSE oscillator output OSC_OUT; alternate function SPI2_SCK/I2S2_CK."
      },
      {
        "number": "7",
        "name": "PG10-NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up (NRST); can also be used as GPIO PG10 with MCO alternate function."
      },
      {
        "number": "8",
        "name": "PA0",
        "type": "bidirectional",
        "description": "TT_a I/O with ADC12_IN1, COMP1_INM, COMP3_INP, RTC_TAMP2 and WKUP1; alternate functions TIM2_CH1, TIM5_CH1, USART2_CTS, TIM8_ETR."
      },
      {
        "number": "9",
        "name": "PA1",
        "type": "bidirectional",
        "description": "TT_a I/O with ADC12_IN2, COMP1_INP, OPAMP1_VINP, OPAMP3_VINP, OPAMP6_VINM; alternate functions TIM2_CH2, TIM5_CH2, USART2_RTS_DE."
      },
      {
        "number": "10",
        "name": "PA2",
        "type": "bidirectional",
        "description": "FT_a I/O with ADC1_IN3, COMP2_INM, OPAMP1_VOUT, WKUP4/LSCO; alternate functions TIM2_CH3, USART2_TX, LPUART1_TX."
      },
      {
        "number": "11",
        "name": "PA3",
        "type": "bidirectional",
        "description": "TT_a I/O with ADC1_IN4, COMP2_INP, OPAMP1_VINM/VINP, OPAMP5_VINM; alternate functions TIM2_CH4, USART2_RX, LPUART1_RX."
      },
      {
        "number": "12",
        "name": "PA4",
        "type": "bidirectional",
        "description": "TT_a I/O with ADC2_IN17, DAC1_OUT1, COMP1_INM; alternate functions SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK."
      },
      {
        "number": "13",
        "name": "PA5",
        "type": "bidirectional",
        "description": "TT_a I/O with ADC2_IN13, DAC1_OUT2, COMP2_INM, OPAMP2_VINM; alternate functions TIM2_CH1, SPI1_SCK."
      },
      {
        "number": "14",
        "name": "PA6",
        "type": "bidirectional",
        "description": "TT_a I/O with ADC2_IN3, DAC2_OUT1, OPAMP2_VOUT; alternate functions TIM16_CH1, TIM3_CH1, SPI1_MISO, LPUART1_CTS."
      },
      {
        "number": "15",
        "name": "PA7",
        "type": "bidirectional",
        "description": "TT_a I/O with ADC2_IN4, COMP2_INP, OPAMP1_VINP, OPAMP2_VINP; alternate functions TIM17_CH1, SPI1_MOSI, TIM1_CH1N."
      },
      {
        "number": "16",
        "name": "PB0",
        "type": "bidirectional",
        "description": "TT_a I/O with ADC3_IN12/ADC1_IN15, COMP4_INP, OPAMP2_VINP, OPAMP3_VINP; alternate functions TIM3_CH3, TIM8_CH2N, TIM1_CH2N."
      },
      {
        "number": "17",
        "name": "PB1",
        "type": "bidirectional",
        "description": "TT_a I/O with ADC3_IN1/ADC1_IN12, COMP1_INP, OPAMP3_VOUT, OPAMP6_VINM; alternate functions TIM3_CH4, COMP4_OUT, LPUART1_RTS_DE."
      },
      {
        "number": "18",
        "name": "PB2",
        "type": "bidirectional",
        "description": "TT_a I/O with ADC2_IN12, COMP4_INM, OPAMP3_VINM; alternate functions RTC_OUT2, LPTIM1_OUT, TIM5_CH1, I2C3_SMBA."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground; must always be connected to the external supply ground."
      },
      {
        "number": "20",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive voltage reference for ADC/DAC/comparators, also VREFBUF_OUT; VREF+ - VDDA must not exceed 0.4 V."
      },
      {
        "number": "21",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply, 1.62 V min with ADC, 1.8 V min with DAC/OPAMP/COMP, 2.4 V min with VREFBUF, 3.6 V max."
      },
      {
        "number": "22",
        "name": "PB10",
        "type": "bidirectional",
        "description": "TT_a I/O with COMP5_INM, OPAMP3_VINM, OPAMP4_VINM; alternate functions TIM2_CH3, USART3_TX, LPUART1_RX, QUADSPI1_CLK."
      },
      {
        "number": "23",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground; must always be connected to the external supply ground."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71 V to 3.6 V, to be decoupled with 100 nF ceramic capacitors plus 4.7 µF."
      },
      {
        "number": "25",
        "name": "PB11",
        "type": "bidirectional",
        "description": "TT_a I/O with ADC12_IN14, COMP6_INP, OPAMP4_VINP, OPAMP6_VOUT; alternate functions TIM2_CH4, USART3_RX, LPUART1_TX."
      },
      {
        "number": "26",
        "name": "PB12",
        "type": "bidirectional",
        "description": "TT_a I/O with ADC4_IN3/ADC1_IN11, COMP7_INM, OPAMP4_VOUT, OPAMP6_VINP; alternate functions SPI2_NSS/I2S2_WS, USART3_CK, FDCAN2_RX."
      },
      {
        "number": "27",
        "name": "PB13",
        "type": "bidirectional",
        "description": "TT_a I/O with ADC3_IN5, COMP5_INP, OPAMP3_VINP, OPAMP4_VINP, OPAMP6_VINP; alternate functions SPI2_SCK/I2S2_CK, USART3_CTS, FDCAN2_TX."
      },
      {
        "number": "28",
        "name": "PB14",
        "type": "bidirectional",
        "description": "TT_a I/O with ADC4_IN4/ADC1_IN5, COMP7_INP, OPAMP2_VINP, OPAMP5_VINP; alternate functions TIM15_CH1, SPI2_MISO, USART3_RTS_DE."
      },
      {
        "number": "29",
        "name": "PB15",
        "type": "bidirectional",
        "description": "TT_a I/O with ADC4_IN5/ADC2_IN15, COMP6_INM, OPAMP5_VINM; alternate functions RTC_REFIN, TIM15_CH2, SPI2_MOSI/I2S2_SD."
      },
      {
        "number": "30",
        "name": "PA8",
        "type": "bidirectional",
        "description": "FT_a I/O with ADC5_IN1, OPAMP5_VOUT; alternate functions MCO, I2C3_SCL, TIM1_CH1, USART1_CK."
      },
      {
        "number": "31",
        "name": "PA9",
        "type": "bidirectional",
        "description": "FT_fda I/O with ADC5_IN2 and UCPD1_DBCC1; alternate functions I2C3_SMBA, I2C2_SCL, TIM1_CH2, USART1_TX."
      },
      {
        "number": "32",
        "name": "PA10",
        "type": "bidirectional",
        "description": "FT_fda I/O with UCPD1_DBCC2; alternate functions TIM17_BKIN, USB_CRS_SYNC, TIM1_CH3, USART1_RX."
      },
      {
        "number": "33",
        "name": "PA11",
        "type": "bidirectional",
        "description": "FT_u I/O with USB_DM; alternate functions SPI2_MOSI/I2S2_SD, TIM1_CH1N, USART1_CTS, FDCAN1_RX."
      },
      {
        "number": "34",
        "name": "PA12",
        "type": "bidirectional",
        "description": "FT_u I/O with USB_DP; alternate functions TIM16_CH1, TIM1_CH2N, USART1_RTS_DE, FDCAN1_TX."
      },
      {
        "number": "35",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground; must always be connected to the external supply ground."
      },
      {
        "number": "36",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71 V to 3.6 V, to be decoupled with 100 nF ceramic capacitors plus 4.7 µF."
      },
      {
        "number": "37",
        "name": "PA13",
        "type": "bidirectional",
        "description": "FT_f I/O, SWDIO-JTMS after reset with internal pull-up active; alternate functions TIM16_CH1N, I2C4_SCL, I2C1_SCL, IR_OUT."
      },
      {
        "number": "38",
        "name": "PA14",
        "type": "bidirectional",
        "description": "FT_f I/O, SWCLK-JTCK after reset with internal pull-down active; alternate functions LPTIM1_OUT, I2C4_SMBA, I2C1_SDA, USART2_TX."
      },
      {
        "number": "39",
        "name": "PA15",
        "type": "bidirectional",
        "description": "FT_f I/O, JTDI after reset with internal pull-up active; alternate functions TIM2_CH1, I2C1_SCL, SPI1_NSS, USART2_RX."
      },
      {
        "number": "40",
        "name": "PB3",
        "type": "bidirectional",
        "description": "FT I/O, JTDO-TRACESWO after reset; alternate functions TIM2_CH2, SPI1_SCK, SPI3_SCK/I2S3_CK, USART2_TX."
      },
      {
        "number": "41",
        "name": "PB4",
        "type": "bidirectional",
        "description": "FT_c I/O with UCPD1_CC2, JTRST after reset with internal pull-up active; alternate functions TIM16_CH1, TIM3_CH1, SPI1_MISO, USART2_RX."
      },
      {
        "number": "42",
        "name": "PB5",
        "type": "bidirectional",
        "description": "FT_f I/O; alternate functions TIM16_BKIN, TIM3_CH2, I2C1_SMBA, SPI1_MOSI, USART2_CK, FDCAN2_RX."
      },
      {
        "number": "43",
        "name": "PB6",
        "type": "bidirectional",
        "description": "FT_c I/O with UCPD1_CC1; alternate functions TIM16_CH1N, TIM4_CH1, USART1_TX, FDCAN2_TX."
      },
      {
        "number": "44",
        "name": "PB7",
        "type": "bidirectional",
        "description": "FT_f I/O with PVD_IN; alternate functions TIM17_CH1N, TIM4_CH2, I2C4_SDA, I2C1_SDA, USART1_RX."
      },
      {
        "number": "45",
        "name": "PB8-BOOT0",
        "type": "bidirectional",
        "description": "FT_f I/O doubling as BOOT0 pin; set to a mode other than analog after startup to limit consumption if left unconnected."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "FT_f I/O; alternate functions TIM17_CH1, TIM4_CH4, SAI1_D2, I2C1_SDA, IR_OUT, USART3_TX, FDCAN1_TX."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground; must always be connected to the external supply ground."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71 V to 3.6 V, to be decoupled with 100 nF ceramic capacitors plus 4.7 µF."
      }
    ],
    "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: Some port pins (PC14, PC15, PF0, PF1, PA10, PA9, PA12, PA11, PB6, PB4) have speed and current limita"
        ],
        "pages_sent": 89,
        "cost_usd": 0.5944,
        "at": "2026-10-01T07:37:33"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886231610494976",
        "pages": 236,
        "sha256": "d493fe0ab22e61ff",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-48(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "48"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm32g474cet6"
  ],
  "discovery_pitch": "STM32G474CET6 (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32g474cet6.kicad_sym",
    "stm32g474cet6.kicad_mod",
    "stm32g474cet6.glb",
    "stm32g474cet6.step",
    "stm32g474cet6.lbr",
    "docs/hero.png",
    "docs/stm32g474cet6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  }
}