STM32G474MET6

{
  "slug": "stm32g474met6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-80(12x12). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32g474met6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32g474met6.kicad_sym",
    "stm32g474met6.kicad_mod",
    "stm32g474met6.glb",
    "stm32g474met6.step",
    "stm32g474met6.lbr",
    "docs/hero.png",
    "docs/stm32g474met6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32g474met6-hero.glb",
    "stm32g474met6-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32G474MET6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-80(12x12)",
    "pin_count": 80,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8581973266085400576",
    "parts": {
      "symbol": "stm32g474met6.kicad_sym",
      "footprint": "stm32g474met6.kicad_mod",
      "model_3d": "stm32g474met6-hero.glb",
      "model_3d_plain": "stm32g474met6.glb",
      "model_3d_step": "stm32g474met6-etched.step",
      "model_3d_step_plain": "stm32g474met6.step",
      "lbr": "stm32g474met6.lbr"
    },
    "distributor_links": {
      "lcsc": "C730126",
      "digikey": "STM32G474MET6-ND",
      "mouser": "511-STM32G474MET6"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T00:42:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "STM32G474MET6-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32G474MET6",
        "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 (5 V tolerant) GPIO with RTC/tamper functions WKUP2, RTC_TAMP1, RTC_TS and RTC_OUT1; it is supplied through the power switch, which sinks only 3 mA, so output use is limited to 2 MHz with 30 pF and it must not drive LEDs or act as a current source."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO that serves as the 32 kHz oscillator input OSC32_IN, with the same power-switch current limit as PC13."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "FT (5 V tolerant) GPIO that serves as the 32 kHz oscillator output OSC32_OUT, with the same power-switch current limit as PC13."
      },
      {
        "number": "5",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "FT_fa I/O (Fm+ capable, analog switch supplied by VDDA) that serves as the main oscillator input OSC_IN, with alternates I2C2_SDA, SPI2_NSS/I2S2_WS, TIM1_CH3N and ADC1_IN10."
      },
      {
        "number": "6",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA) that serves as the main oscillator output OSC_OUT, with alternate SPI2_SCK/I2S2_CK and additional functions ADC2_IN10, COMP3_INM."
      },
      {
        "number": "7",
        "name": "PG10-NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin NRST with an embedded weak pull-up resistor, also usable as an FT I/O with alternate MCO."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA) with alternates LPTIM1_IN1, TIM1_CH1, LPUART1_RX and additional function ADC12_IN6, COMP3_INM."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates LPTIM1_OUT, TIM1_CH2, LPUART1_TX, QUADSPI1_BK2_IO0 and SAI1_SD_A, and additional functions ADC12_IN7, COMP3_INP."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA) with alternates LPTIM1_IN2, TIM1_CH3, COMP3_OUT, TIM20_CH2, QUADSPI1_BK2_IO1 and additional function ADC12_IN8."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates LPTIM1_ETR, TIM1_CH4, SAI1_D1, TIM1_BKIN2, QUADSPI1_BK2_IO2 and SAI1_SD_A, and additional functions ADC12_IN9, OPAMP5_VINP."
      },
      {
        "number": "12",
        "name": "PA0",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM2_CH1, TIM5_CH1, USART2_CTS, COMP1_OUT, TIM8_BKIN, TIM8_ETR and TIM2_ETR, and additional functions ADC12_IN1, COMP1_INM, COMP3_INP, RTC_TAMP2 and WKUP1."
      },
      {
        "number": "13",
        "name": "PA1",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates RTC_REFIN, TIM2_CH2, TIM5_CH2, USART2_RTS_DE and TIM15_CH1N, and additional functions ADC12_IN2, COMP1_INP, OPAMP1_VINP, OPAMP3_VINP and OPAMP6_VINM."
      },
      {
        "number": "14",
        "name": "PA2",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA) with alternates TIM2_CH3, TIM5_CH3, USART2_TX, COMP2_OUT, TIM15_CH1, QUADSPI1_BK1_NCS, LPUART1_TX and UCPD1_FRSTX, and additional functions ADC1_IN3, COMP2_INM, OPAMP1_VOUT and WKUP4/LSCO."
      },
      {
        "number": "15",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all VSS pins must be connected to the external ground within the permitted range."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin; the device operating range is 1.71 V to 3.6 V and each VDD/VSS pair must be decoupled with ceramic capacitors."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM2_CH4, TIM5_CH4, SAI1_CK1, USART2_RX, TIM15_CH2, QUADSPI1_CLK, LPUART1_RX and SAI1_MCLK_A, and additional functions ADC1_IN4, COMP2_INP, OPAMP1_VINM/OPAMP1_VINP and OPAMP5_VINM."
      },
      {
        "number": "18",
        "name": "PA4",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM3_CH2, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK and SAI1_FS_B, and additional functions ADC2_IN17, DAC1_OUT1 and COMP1_INM."
      },
      {
        "number": "19",
        "name": "PA5",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM2_CH1, TIM2_ETR, SPI1_SCK and UCPD1_FRSTX, and additional functions ADC2_IN13, DAC1_OUT2, COMP2_INM and OPAMP2_VINM."
      },
      {
        "number": "20",
        "name": "PA6",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM16_CH1, TIM3_CH1, TIM8_BKIN, SPI1_MISO, TIM1_BKIN, COMP1_OUT, QUADSPI1_BK1_IO3 and LPUART1_CTS, and additional functions ADC2_IN3, DAC2_OUT1 and OPAMP2_VOUT."
      },
      {
        "number": "21",
        "name": "PA7",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM17_CH1, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, TIM1_CH1N, COMP2_OUT, QUADSPI1_BK1_IO2 and UCPD1_FRSTX, and additional functions ADC2_IN4, COMP2_INP, OPAMP1_VINP and OPAMP2_VINP."
      },
      {
        "number": "22",
        "name": "PC4",
        "type": "bidirectional",
        "description": "FT_fa I/O (Fm+ capable, analog switch supplied by VDDA) with alternates TIM1_ETR, I2C2_SCL, USART1_TX and QUADSPI1_BK2_IO3, and additional function ADC2_IN5."
      },
      {
        "number": "23",
        "name": "PC5",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM15_BKIN, SAI1_D3, TIM1_CH4N, USART1_RX and HRTIM1_EEV10, and additional functions ADC2_IN11, OPAMP1_VINM, OPAMP2_VINM and WKUP5."
      },
      {
        "number": "24",
        "name": "PB0",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM3_CH3, TIM8_CH2N, TIM1_CH2N, QUADSPI1_BK1_IO1, HRTIM1_FLT5 and UCPD1_FRSTX, and additional functions ADC3_IN12/ADC1_IN15, COMP4_INP, OPAMP2_VINP and OPAMP3_VINP."
      },
      {
        "number": "25",
        "name": "PB1",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM3_CH4, TIM8_CH3N, TIM1_CH3N, COMP4_OUT, QUADSPI1_BK1_IO0, LPUART1_RTS_DE and HRTIM1_SCOUT, and additional functions ADC3_IN1/ADC1_IN12, COMP1_INP, OPAMP3_VOUT and OPAMP6_VINM."
      },
      {
        "number": "26",
        "name": "PB2",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates RTC_OUT2, LPTIM1_OUT, TIM5_CH1, TIM20_CH1, I2C3_SMBA, QUADSPI1_BK2_IO1 and HRTIM1_SCIN, and additional functions ADC2_IN12, COMP4_INM and OPAMP3_VINM."
      },
      {
        "number": "27",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin for the ADC, DAC, OPAMP, COMP and VREFBUF blocks, which must be connected to the external ground."
      },
      {
        "number": "28",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive voltage reference input/output for the ADC and DAC (listed with VREFBUF_OUT); VREF+ can be internally connected to VDDA depending on the package, and VREF+ must not exceed VDDA by more than 0.4 V."
      },
      {
        "number": "29",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply: 1.62 V minimum for the ADC, 1.8 V minimum for DAC, OPAMP and COMP, 2.4 V minimum when VREFBUF is used, up to 3.6 V."
      },
      {
        "number": "30",
        "name": "PE7",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM1_ETR, FMC_D4 and SAI1_SD_B, and additional functions ADC3_IN4 and COMP4_INP."
      },
      {
        "number": "31",
        "name": "PE8",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA) with alternates TIM5_CH3, TIM1_CH1N, FMC_D5 and SAI1_SCK_B, and additional functions ADC345_IN6 and COMP4_INM."
      },
      {
        "number": "32",
        "name": "PE9",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA) with alternates TIM5_CH4, TIM1_CH1, FMC_D6 and SAI1_FS_B, and additional function ADC3_IN2."
      },
      {
        "number": "33",
        "name": "PE10",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA) with alternates TIM1_CH2N, QUADSPI1_CLK, FMC_D7 and SAI1_MCLK_B, and additional function ADC345_IN14."
      },
      {
        "number": "34",
        "name": "PE11",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA) with alternates TIM1_CH2, SPI4_NSS, QUADSPI1_BK1_NCS and FMC_D8, and additional function ADC345_IN15."
      },
      {
        "number": "35",
        "name": "PE12",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA) with alternates TIM1_CH3N, SPI4_SCK, QUADSPI1_BK1_IO0 and FMC_D9, and additional function ADC345_IN16."
      },
      {
        "number": "36",
        "name": "PE13",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA) with alternates TIM1_CH3, SPI4_MISO, QUADSPI1_BK1_IO1 and FMC_D10, and additional function ADC3_IN3."
      },
      {
        "number": "37",
        "name": "PE14",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA) with alternates TIM1_CH4, SPI4_MOSI, TIM1_BKIN2, QUADSPI1_BK1_IO2 and FMC_D11, and additional function ADC4_IN1."
      },
      {
        "number": "38",
        "name": "PE15",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA) with alternates TIM1_BKIN, TIM1_CH4N, USART3_RX, QUADSPI1_BK1_IO3 and FMC_D12, and additional function ADC4_IN2."
      },
      {
        "number": "39",
        "name": "PB10",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM2_CH3, USART3_TX, LPUART1_RX, QUADSPI1_CLK, TIM1_BKIN, HRTIM1_FLT3 and SAI1_SCK_A, and additional functions COMP5_INM, OPAMP3_VINM and OPAMP4_VINM."
      },
      {
        "number": "40",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all VSS pins must be connected to the external ground within the permitted range."
      },
      {
        "number": "41",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin; the device operating range is 1.71 V to 3.6 V and each VDD/VSS pair must be decoupled with ceramic capacitors."
      },
      {
        "number": "42",
        "name": "PB11",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM2_CH4, USART3_RX, LPUART1_TX, QUADSPI1_BK1_NCS and HRTIM1_FLT4, and additional functions ADC12_IN14, COMP6_INP, OPAMP4_VINP and OPAMP6_VOUT."
      },
      {
        "number": "43",
        "name": "PB12",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM5_ETR, I2C2_SMBA, SPI2_NSS/I2S2_WS, TIM1_BKIN, USART3_CK, LPUART1_RTS_DE, FDCAN2_RX and HRTIM1_CHC1, and additional functions ADC4_IN3/ADC1_IN11, COMP7_INM, OPAMP4_VOUT and OPAMP6_VINP."
      },
      {
        "number": "44",
        "name": "PB13",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates SPI2_SCK/I2S2_CK, TIM1_CH1N, USART3_CTS, LPUART1_CTS, FDCAN2_TX and HRTIM1_CHC2, and additional functions ADC3_IN5, COMP5_INP, OPAMP3_VINP, OPAMP4_VINP and OPAMP6_VINP."
      },
      {
        "number": "45",
        "name": "PB14",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates TIM15_CH1, SPI2_MISO, TIM1_CH2N, USART3_RTS_DE, COMP4_OUT and HRTIM1_CHD1, and additional functions ADC4_IN4/ADC1_IN5, COMP7_INP, OPAMP2_VINP and OPAMP5_VINP."
      },
      {
        "number": "46",
        "name": "PB15",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates RTC_REFIN, TIM15_CH2, TIM15_CH1N, COMP3_OUT, TIM1_CH3N, SPI2_MOSI/I2S2_SD and HRTIM1_CHD2, and additional functions ADC4_IN5/ADC2_IN15, COMP6_INM and OPAMP5_VINM."
      },
      {
        "number": "47",
        "name": "PD8",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates USART3_TX and FMC_D13, and additional functions ADC4_IN12/ADC5_IN12 and OPAMP4_VINM."
      },
      {
        "number": "48",
        "name": "PD9",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant, analog switch supplied by VDDA) with alternates USART3_RX and FMC_D14, and additional functions ADC4_IN13/ADC5_IN13 and OPAMP6_VINP."
      },
      {
        "number": "49",
        "name": "PD10",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA) with alternates USART3_CK and FMC_D15, and additional functions ADC345_IN7 and COMP6_INM."
      },
      {
        "number": "50",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all VSS pins must be connected to the external ground within the permitted range."
      },
      {
        "number": "51",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin; the device operating range is 1.71 V to 3.6 V and each VDD/VSS pair must be decoupled with ceramic capacitors."
      },
      {
        "number": "52",
        "name": "PC6",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) with alternates TIM3_CH1, HRTIM1_EEV10, TIM8_CH1, I2S2_MCK, COMP6_OUT, I2C4_SCL and HRTIM1_CHF1."
      },
      {
        "number": "53",
        "name": "PC7",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) with alternates TIM3_CH2, HRTIM1_FLT5, TIM8_CH2, I2S3_MCK, COMP5_OUT, I2C4_SDA and HRTIM1_CHF2."
      },
      {
        "number": "54",
        "name": "PC8",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) with alternates TIM3_CH3, HRTIM1_CHE1, TIM8_CH3, TIM20_CH3, COMP7_OUT and I2C3_SCL."
      },
      {
        "number": "55",
        "name": "PC9",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) with alternates TIM3_CH4, HRTIM1_CHE2, TIM8_CH4, I2SCKIN, TIM8_BKIN2 and I2C3_SDA."
      },
      {
        "number": "56",
        "name": "PA8",
        "type": "bidirectional",
        "description": "FT_a I/O (analog switch supplied by VDDA) with alternates MCO, I2C3_SCL, I2C2_SDA, I2S2_MCK, TIM1_CH1, USART1_CK, COMP7_OUT, TIM4_ETR, FDCAN3_RX, SAI1_CK2, HRTIM1_CHA1 and SAI1_SCK_A, and additional functions ADC5_IN1 and OPAMP5_VOUT."
      },
      {
        "number": "57",
        "name": "PA9",
        "type": "bidirectional",
        "description": "FT_fda I/O (Fm+ capable, analog switch supplied by VDDA, USB Type-C dead-battery function) with alternates I2C3_SMBA, I2C2_SCL, I2S3_MCK, TIM1_CH2, USART1_TX, OMP5_OUT (as printed), TIM15_BKIN, TIM2_CH3, HRTIM1_CHA2 and SAI1_FS_A, and additional functions ADC5_IN2 and UCPD1_DBCC1."
      },
      {
        "number": "58",
        "name": "PA10",
        "type": "bidirectional",
        "description": "FT_fda I/O (Fm+ capable, analog switch supplied by VDDA, USB Type-C dead-battery function) with alternates TIM17_BKIN, USB_CRS_SYNC, I2C2_SMBA, SPI2_MISO, TIM1_CH3, USART1_RX, COMP6_OUT, TIM2_CH4, TIM8_BKIN, SAI1_D1, HRTIM1_CHB1 and SAI1_SD_A, and additional function UCPD1_DBCC2."
      },
      {
        "number": "59",
        "name": "PA11",
        "type": "bidirectional",
        "description": "FT_u I/O (USB function) with alternates SPI2_MOSI/I2S2_SD, TIM1_CH1N, USART1_CTS, COMP1_OUT, FDCAN1_RX, TIM4_CH1, TIM1_CH4, TIM1_BKIN2 and HRTIM1_CHB2, and additional function USB_DM."
      },
      {
        "number": "60",
        "name": "PA12",
        "type": "bidirectional",
        "description": "FT_u I/O (USB function) with alternates TIM16_CH1, I2SCKIN, TIM1_CH2N, USART1_RTS_DE, COMP2_OUT, FDCAN1_TX, TIM4_CH2, TIM1_ETR and HRTIM1_FLT1, and additional function USB_DP."
      },
      {
        "number": "61",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all VSS pins must be connected to the external ground within the permitted range."
      },
      {
        "number": "62",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin; the device operating range is 1.71 V to 3.6 V and each VDD/VSS pair must be decoupled with ceramic capacitors."
      },
      {
        "number": "63",
        "name": "PA13",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) that after reset is the SWDIO/JTMS debug function with an internal pull-up enabled (footnote 4), with alternates TIM16_CH1N, I2C4_SCL, I2C1_SCL, IR_OUT, USART3_CTS, TIM4_CH3 and SAI1_SD_B."
      },
      {
        "number": "64",
        "name": "PA14",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) that after reset is the SWCLK/JTCK debug function with an internal pull-down enabled (footnote 4), with alternates LPTIM1_OUT, I2C4_SMBA, I2C1_SDA, TIM8_CH2, TIM1_BKIN, USART2_TX and SAI1_FS_B."
      },
      {
        "number": "65",
        "name": "PA15",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) that after reset is the JTDI debug function with an internal pull-up enabled (footnote 4), with alternates TIM2_CH1, TIM8_CH1, I2C1_SCL, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_RX, UART4_RTS_DE, TIM1_BKIN, FDCAN3_TX, HRTIM1_FLT2 and TIM2_ETR."
      },
      {
        "number": "66",
        "name": "PC10",
        "type": "bidirectional",
        "description": "FT I/O with alternates TIM8_CH1N, UART4_TX, SPI3_SCK/I2S3_CK, USART3_TX and HRTIM1_FLT6."
      },
      {
        "number": "67",
        "name": "PC11",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) with alternates HRTIM1_EEV2, TIM8_CH2N, UART4_RX, SPI3_MISO, USART3_RX and I2C3_SDA."
      },
      {
        "number": "68",
        "name": "PC12",
        "type": "bidirectional",
        "description": "FT I/O with alternates TIM5_CH2, HRTIM1_EEV1, TIM8_CH3N, UART5_TX, SPI3_MOSI/I2S3_SD, USART3_CK and UCPD1_FRSTX."
      },
      {
        "number": "69",
        "name": "PD0",
        "type": "bidirectional",
        "description": "FT I/O with alternates TIM8_CH4N, FDCAN1_RX and FMC_D2."
      },
      {
        "number": "70",
        "name": "PD1",
        "type": "bidirectional",
        "description": "FT I/O with alternates TIM8_CH4, TIM8_BKIN2, FDCAN1_TX and FMC_D3."
      },
      {
        "number": "71",
        "name": "PD2",
        "type": "bidirectional",
        "description": "FT I/O with alternates TIM3_ETR, TIM8_BKIN and UART5_RX."
      },
      {
        "number": "72",
        "name": "PB3",
        "type": "bidirectional",
        "description": "FT I/O that after reset is the JTDO/TRACESWO debug function (footnote 4), with alternates TIM2_CH2, TIM4_ETR, UCPD1_CRS_SYNC, TIM8_CH1N, SPI1_SCK, SPI3_SCK/I2S3_CK, USART2_TX, TIM3_ETR, FDCAN3_RX, HRTIM1_SCOUT, HRTIM1_EEV9 and SAI1_SCK_B."
      },
      {
        "number": "73",
        "name": "PB4",
        "type": "bidirectional",
        "description": "FT_c I/O (USB Type-C PD capable) that after reset is the JTRST debug function with an internal pull-up enabled (footnote 4), with alternates TIM16_CH1, TIM3_CH1, TIM8_CH2N, SPI1_MISO, SPI3_MISO, USART2_RX, UART5_RTS_DE, TIM17_BKIN, FDCAN3_TX, HRTIM1_EEV7 and SAI1_MCLK_B, and additional function UCPD1_CC2."
      },
      {
        "number": "74",
        "name": "PB5",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) with alternates TIM16_BKIN, TIM3_CH2, TIM8_CH3N, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI/I2S3_SD, USART2_CK, I2C3_SDA, FDCAN2_RX, TIM17_CH1, LPTIM1_IN1, SAI1_SD_B, HRTIM1_EEV6 and UART5_CTS."
      },
      {
        "number": "75",
        "name": "PB6",
        "type": "bidirectional",
        "description": "FT_c I/O (USB Type-C PD capable) with alternates TIM16_CH1N, TIM4_CH1, TIM8_CH1, TIM8_ETR, USART1_TX, COMP4_OUT, FDCAN2_TX, TIM8_BKIN2, LPTIM1_ETR, HRTIM1_SCIN, HRTIM1_EEV4 and SAI1_FS_B, and additional function UCPD1_CC1."
      },
      {
        "number": "76",
        "name": "PB7",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) with alternates TIM17_CH1N, TIM4_CH2, I2C4_SDA, I2C1_SDA, TIM8_BKIN, USART1_RX, COMP3_OUT, TIM3_CH4, LPTIM1_IN2, FMC_NL, HRTIM1_EEV3 and UART4_CTS, and additional function PVD_IN."
      },
      {
        "number": "77",
        "name": "PB8-BOOT0",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) that also carries the BOOT0 function; per footnote 5 it should be set to a non-analog mode after startup if left unconnected to limit consumption, with alternates TIM16_CH1, TIM4_CH3, SAI1_CK1, I2C1_SCL, USART3_RX, COMP1_OUT, FDCAN1_RX, TIM8_CH2, TIM1_BKIN, HRTIM1_EEV8 and SAI1_MCLK_A."
      },
      {
        "number": "78",
        "name": "PB9",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) with alternates TIM17_CH1, TIM4_CH4, SAI1_D2, I2C1_SDA, IR_OUT, USART3_TX, COMP2_OUT, FDCAN1_TX, TIM8_CH3, TIM1_CH3N, HRTIM1_EEV5 and SAI1_FS_A."
      },
      {
        "number": "79",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all VSS pins must be connected to the external ground within the permitted range."
      },
      {
        "number": "80",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin; the device operating range is 1.71 V to 3.6 V and each VDD/VSS pair must be decoupled with ceramic capacitors."
      }
    ],
    "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: Pin numbers for LQFP80 were taken from the LQFP80 column of Table 12 (pin definition), not from Figu; Pins PA9 and PA10 are printed as FT_fda (the text extraction shows FT_fd a). Table 11 defines the _d; The PA9 alternate-function list prints 'OMP5_OUT'. This is most likely a typo for COMP5_OUT, but the"
        ],
        "pages_sent": 89,
        "cost_usd": 0.447,
        "at": "2026-10-08T00:42:12"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8581973266085400576",
        "pages": 236,
        "sha256": "d493fe0ab22e61ff",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 80,
        "described": 80,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stm32g474met6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          14.0,
          14.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f782bdbc6327d920be33e2b9906695d7c3690117933775c3f145eac71f2013ac",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32g474met6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          14.0,
          14.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "84f0cb9601a7573278586a72579c079ee401a0a77fdb8b7af858ca061991c493",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}