STM32G474CCU6

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32g474ccu6",
  "title": "STM32G474CCU6",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-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",
    "stm32g474ccu6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32G474CCU6",
    "manufacturer": "STMicroelectronics",
    "package": "UFQFPN-48(7x7)",
    "pin_count": 49,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://www.st.com/resource/en/datasheet/stm32g474ccu6.pdf",
    "parts": {
      "symbol": "stm32g474ccu6.kicad_sym",
      "footprint": "stm32g474ccu6.kicad_mod",
      "model_3d": "stm32g474ccu6-hero.glb",
      "model_3d_plain": "stm32g474ccu6-etched.glb",
      "model_3d_step": "stm32g474ccu6-etched.step",
      "model_3d_step_plain": "stm32g474ccu6.step",
      "lbr": "stm32g474ccu6.lbr"
    },
    "distributor_links": {
      "lcsc": "C1341847",
      "digikey": "STM32G474CCU6-ND",
      "mouser": "511-STM32G474CCU6"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T23:51:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "STM32G474CCU6-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32G474CCU6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup-domain supply for the RTC and backup registers, specified from 1.55 V to 3.6 V."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "FT GPIO on the backup domain, but its power switch sinks only 3 mA, so output use is limited to 2 MHz at 30 pF and it must not source LEDs; also TIM1_BKIN, RTC_TAMP1, RTC_TS and RTC_OUT1."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "FT GPIO on the backup domain with the same 3 mA power-switch limit, also serving as the LSE oscillator input OSC32_IN."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "FT GPIO on the backup domain with the same 3 mA power-switch limit, also serving as the LSE oscillator output OSC32_OUT."
      },
      {
        "number": "5",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "5 V tolerant FT_fa I/O that also serves as HSE oscillator input OSC_IN, with ADC1_IN10, I2C2_SDA and SPI2_NSS/I2S2_WS."
      },
      {
        "number": "6",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "3.6 V tolerant FT_a I/O that also serves as HSE oscillator output OSC_OUT, with ADC2_IN10, COMP3_INM and SPI2_SCK/I2S2_CK."
      },
      {
        "number": "7",
        "name": "PG10-NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with an embedded weak pull-up resistor, also usable as an FT I/O with MCO output."
      },
      {
        "number": "8",
        "name": "PA0",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also ADC12_IN1, COMP1_INM, TIM2_CH1, USART2_CTS and WKUP1."
      },
      {
        "number": "9",
        "name": "PA1",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also ADC12_IN2, COMP1_INP, OPAMP1_VINP, TIM2_CH2 and RTC_REFIN."
      },
      {
        "number": "10",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V tolerant FT_a I/O with analog switch supplied by VDDA, also ADC1_IN3, COMP2_INM, OPAMP1_VOUT, USART2_TX and WKUP4/LSCO."
      },
      {
        "number": "11",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also ADC1_IN4, COMP2_INP, OPAMP1_VINM/OPAMP1_VINP, USART2_RX and LPUART1_RX."
      },
      {
        "number": "12",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also ADC2_IN17, DAC1_OUT1, COMP1_INM, SPI1_NSS and USART2_CK."
      },
      {
        "number": "13",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also ADC2_IN13, DAC1_OUT2, COMP2_INM, OPAMP2_VINM and SPI1_SCK."
      },
      {
        "number": "14",
        "name": "PA6",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also ADC2_IN3, DAC2_OUT1, OPAMP2_VOUT, SPI1_MISO and COMP1_OUT."
      },
      {
        "number": "15",
        "name": "PA7",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also ADC2_IN4, COMP2_INP, OPAMP1_VINP, OPAMP2_VINP and SPI1_MOSI."
      },
      {
        "number": "16",
        "name": "PC4",
        "type": "bidirectional",
        "description": "5 V tolerant FT_fa I/O with Fm+ capability and analog switch supplied by VDDA, also ADC2_IN5, I2C2_SCL, USART1_TX and TIM1_ETR."
      },
      {
        "number": "17",
        "name": "PB0",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also ADC3_IN12/ADC1_IN15, COMP4_INP, OPAMP2_VINP, OPAMP3_VINP and TIM3_CH3."
      },
      {
        "number": "18",
        "name": "PB1",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also ADC3_IN1/ADC1_IN12, COMP1_INP, OPAMP3_VOUT, OPAMP6_VINM and TIM3_CH4."
      },
      {
        "number": "19",
        "name": "PB2",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also ADC2_IN12, COMP4_INM, OPAMP3_VINM, RTC_OUT2 and LPTIM1_OUT."
      },
      {
        "number": "20",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive reference voltage for the ADCs and DACs, which can be connected internally to VDDA depending on the package, and which also provides the VREFBUF_OUT function."
      },
      {
        "number": "21",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply: 1.62 V minimum for the ADC, 1.8 V minimum for DAC (1 MSPS or 15 MSPS), OPAMP and COMP, 2.4 V minimum when VREFBUF is used, up to 3.6 V."
      },
      {
        "number": "22",
        "name": "PB10",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also TIM2_CH3, USART3_TX, LPUART1_RX, QUADSPI1_CLK, COMP5_INM and OPAMP3_VINM."
      },
      {
        "number": "23",
        "name": "VDD",
        "type": "power_in",
        "description": "Standard operating supply voltage, 1.71 V to 3.6 V."
      },
      {
        "number": "24",
        "name": "PB11",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also ADC12_IN14, COMP6_INP, OPAMP4_VINP, USART3_RX and LPUART1_TX."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also ADC4_IN3/ADC1_IN11, COMP7_INM, OPAMP4_VOUT, SPI2_NSS/I2S2_WS, TIM1_BKIN and USART3_CK."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also ADC3_IN5, COMP5_INP, OPAMP3_VINP, SPI2_SCK/I2S2_CK, TIM1_CH1N and USART3_CTS."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also ADC4_IN4/ADC1_IN5, COMP7_INP, OPAMP2_VINP, TIM15_CH1, SPI2_MISO and COMP4_OUT."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "3.6 V tolerant TT_a I/O with analog switch supplied by VDDA, also ADC4_IN5/ADC2_IN15, COMP6_INM, OPAMP5_VINM, RTC_REFIN and SPI2_MOSI/I2S2_SD."
      },
      {
        "number": "29",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant FT_f I/O with Fm+ capability, also TIM3_CH1, TIM8_CH1, I2S2_MCK, COMP6_OUT and I2C4_SCL."
      },
      {
        "number": "30",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant FT_a I/O, also MCO output, TIM1_CH1, USART1_CK, I2C3_SCL, I2C2_SDA, ADC5_IN1 and OPAMP5_VOUT."
      },
      {
        "number": "31",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant FT_fda I/O with Fm+ capability and dead-battery function, also TIM1_CH2, USART1_TX, I2C2_SCL, ADC5_IN2 and UCPD1_DBCC1."
      },
      {
        "number": "32",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant FT_fda I/O with Fm+ capability and dead-battery function, also TIM1_CH3, USART1_RX, SPI2_MISO, USB_CRS_SYNC and UCPD1_DBCC2."
      },
      {
        "number": "33",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant FT_u I/O with USB function, also USB_DM, TIM1_CH1N, USART1_CTS, FDCAN1_RX and COMP1_OUT."
      },
      {
        "number": "34",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant FT_u I/O with USB function, also USB_DP, TIM16_CH1, USART1_RTS_DE, FDCAN1_TX and TIM1_ETR."
      },
      {
        "number": "35",
        "name": "VDD",
        "type": "power_in",
        "description": "Standard operating supply voltage, 1.71 V to 3.6 V."
      },
      {
        "number": "36",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant FT_f I/O with Fm+ capability; after reset it is the SWDIO-JTMS debug function with an internal pull-up active, also IR_OUT, I2C1_SCL and USART3_CTS."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant FT_f I/O with Fm+ capability; after reset it is the SWCLK-JTCK debug function with an internal pull-down active, also LPTIM1_OUT, I2C1_SDA and USART2_TX."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant FT_f I/O with Fm+ capability; after reset it is the JTDI debug function with an internal pull-up active, also TIM2_CH1, SPI1_NSS, USART2_RX and FDCAN3_TX."
      },
      {
        "number": "39",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O, also UART4_TX, SPI3_SCK/I2S3_CK, USART3_TX, TIM8_CH1N and HRTIM1_FLT6."
      },
      {
        "number": "40",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant FT_f I/O with Fm+ capability, also UART4_RX, SPI3_MISO, USART3_RX, I2C3_SDA and HRTIM1_EEV2."
      },
      {
        "number": "41",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; after reset it is the JTDO-TRACESWO debug function, also TIM2_CH2, SPI1_SCK, SPI3_SCK/I2S3_CK and USART2_TX."
      },
      {
        "number": "42",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant FT_c I/O, USB Type-C PD capable; after reset it is the JTRST debug function with an internal pull-up active, and its UCPD1_CC2 pull-down (5.1 kOhm) can be enabled, also TIM16_CH1, SPI1_MISO and USART2_RX."
      },
      {
        "number": "43",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant FT_f I/O with Fm+ capability, also TIM16_BKIN, TIM3_CH2, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI/I2S3_SD, USART2_CK and FDCAN2_RX."
      },
      {
        "number": "44",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant FT_c I/O, USB Type-C PD capable; after reset its UCPD1_CC1 pull-down (5.1 kOhm) can be activated by a high level on PA9, also TIM16_CH1N, TIM4_CH1, USART1_TX and FDCAN2_TX."
      },
      {
        "number": "45",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant FT_f I/O with Fm+ capability, also TIM17_CH1N, TIM4_CH2, I2C4_SDA, I2C1_SDA, USART1_RX, COMP3_OUT and PVD_IN."
      },
      {
        "number": "46",
        "name": "PB8-BOOT0",
        "type": "bidirectional",
        "description": "5 V tolerant FT_f I/O with Fm+ capability that is also the dedicated BOOT0 pin; it is recommended to set it out of analog mode after startup to limit consumption if left unconnected, also TIM16_CH1, I2C1_SCL and USART3_RX."
      },
      {
        "number": "47",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant FT_f I/O with Fm+ capability, also TIM17_CH1, TIM4_CH4, SAI1_D2, I2C1_SDA, IR_OUT, USART3_TX and FDCAN1_TX."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Standard operating supply voltage, 1.71 V to 3.6 V."
      },
      {
        "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: UFQFPN48 has no numbered VSS pin. The datasheet states VSS pads are connected to the exposed pad (Fi; MPN code letter C in the fifth position maps to 256 Kbyte in the ordering scheme (Table 124), while ",
          "1/49 pin names appear NOWHERE in the datasheet text: ['20:VREF+@p61']"
        ],
        "pages_sent": 88,
        "cost_usd": 0.1229,
        "at": "2026-11-05T23:51:35"
      },
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/stm32g474ccu6.pdf",
        "pages": 236,
        "sha256": "e2e6db47d49faed3",
        "source_tier": "mfr"
      },
      "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": "stm32g474ccu6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          7,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32g474ccu6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          7,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c8c027ea4c793aa7da913943892510b466f3014c4a39b5086ac8e736cdb8632b",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "UFQFPN-48(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "49"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e2e6db47d49faed319524ac87635f94bcc2e8e03c18e713e92db4e1fb793068f",
      "rows": [
        {
          "name": "External main supply voltage (VDD, VDDA, VBAT, VREF+)",
          "symbol": "VDD - VSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 4,
          "conditions": "Including VDD, VDDA, VBAT and VREF+",
          "source_page": 82,
          "source": "datasheet"
        },
        {
          "name": "Allowed voltage difference for VREF+ > VDDA",
          "symbol": "VREF+-VDDA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "Allowed voltage difference for VREF+ > VDDA",
          "source_page": 82,
          "source": "datasheet"
        },
        {
          "name": "Variations between VDDx power pins of the same domain",
          "symbol": "|∆VDDx|",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "Variations between different VDDX power pins of the same domain",
          "source_page": 82,
          "source": "datasheet"
        },
        {
          "name": "Variations between all ground pins",
          "symbol": "|VSSx-VSS|",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "Variations between all the different ground pins, include VREF- pin",
          "source_page": 82,
          "source": "datasheet"
        },
        {
          "name": "Total current into sum of all VDD power lines (source)",
          "symbol": "∑IVDD",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Total current into sum of all VDD power lines (source)",
          "source_page": 83,
          "source": "datasheet"
        },
        {
          "name": "Total current out of sum of all VSS ground lines (sink)",
          "symbol": "∑IVSS",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Total current out of sum of all VSS ground lines (sink)",
          "source_page": 83,
          "source": "datasheet"
        },
        {
          "name": "Maximum current into each VDD power pin (source)",
          "symbol": "IVDD(PIN)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Maximum current into each VDD power pin (source)",
          "source_page": 83,
          "source": "datasheet"
        },
        {
          "name": "Maximum current out of each VSS ground pin (sink)",
          "symbol": "IVSS(PIN)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Maximum current out of each VSS ground pin (sink)",
          "source_page": 83,
          "source": "datasheet"
        },
        {
          "name": "Output current sunk by any I/O and control pin except FT_f",
          "symbol": "IIO(PIN)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "Output current sunk by any I/O and control pin except FT_f",
          "source_page": 83,
          "source": "datasheet"
        },
        {
          "name": "Output current sunk by any FT_f pin",
          "symbol": "IIO(PIN)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "Output current sunk by any FT_f pin",
          "source_page": 83,
          "source": "datasheet"
        },
        {
          "name": "Output current sourced by any I/O and control pin",
          "symbol": "IIO(PIN)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "Output current sourced by any I/O and control pin",
          "source_page": 83,
          "source": "datasheet"
        },
        {
          "name": "Total output current sunk by sum of all I/Os and control pins",
          "symbol": "∑IIO(PIN)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "Total output current sunk by sum of all I/Os and control pins",
          "source_page": 83,
          "source": "datasheet"
        },
        {
          "name": "Total output current sourced by sum of all I/Os and control pins",
          "symbol": "∑IIO(PIN)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
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