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Ray stm32g474ret6: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero 2ea603a 3d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32g474ret6",
  "title": "STM32G474RET6",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "version": "0.1.1",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "mcu",
    "stm32g474ret6"
  ],
  "component": {
    "mpn": "STM32G474RET6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "MCU",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://www.st.com/resource/en/datasheet/stm32g474ret6.pdf",
    "parts": {
      "symbol": "stm32g474ret6.kicad_sym",
      "footprint": "stm32g474ret6.kicad_mod",
      "model_3d": "stm32g474ret6-etched.glb",
      "model_3d_plain": "stm32g474ret6.glb",
      "model_3d_step": "stm32g474ret6-etched.step",
      "model_3d_step_plain": "stm32g474ret6.step",
      "lbr": "stm32g474ret6.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup supply for the RTC, LSE 32 kHz crystal, and backup registers (~1.55-3.6 V). Powered from a coin cell or dedicated backup rail; can be tied to VDD if the backup domain is not used."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "Reset-state general-purpose I/O (5 V tolerant FT). Additional functions include WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT1; alternate functions include TIM1_BKIN, TIM1_CH1N, TIM8_CH4N, EVENTOUT."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO PC14 by default (FT, 5 V tolerant); additional function is OSC32_IN input for the 32.768 kHz LSE crystal."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO PC15 by default (FT, 5 V tolerant); additional function is OSC32_OUT output for the 32.768 kHz LSE crystal."
      },
      {
        "number": "5",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "GPIO PF0 by default (FT_fa, 5 V tolerant, Fm+ and analog switch); additional function is OSC_IN input for the main HSE 4-48 MHz crystal, also ADC1_IN10."
      },
      {
        "number": "6",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "GPIO PF1 by default (FT_a, 5 V tolerant, analog switch); additional function is OSC_OUT for the main HSE crystal, also ADC2_IN10, COMP3_INM."
      },
      {
        "number": "7",
        "name": "PG10-NRST",
        "type": "bidirectional",
        "description": "Bidirectional device reset with internal weak pull-up (~40 kΩ). Drive low >20 µs to reset. Also usable as GPIO PG10 (FT) when NRST function disabled by option byte; alternate MCO/EVENTOUT."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO (FT_a, 5 V tolerant, analog switch). Additional: ADC12_IN6, COMP3_INM. Alternate: LPTIM1_IN1, TIM1_CH1, LPUART1_RX, EVENTOUT."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC12_IN7, COMP3_INP. Alternate: LPTIM1_OUT, TIM1_CH2, LPUART1_TX, QUADSPI1_BK2_IO0, SAI1_SD_A, EVENTOUT."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO (FT_a, 5 V tolerant, analog switch). Additional: ADC12_IN8. Alternate: LPTIM1_IN2, TIM1_CH3, COMP3_OUT, TIM20_CH2, QUADSPI1_BK2_IO1, EVENTOUT."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC12_IN9, OPAMP5_VINP. Alternate: LPTIM1_ETR, TIM1_CH4, SAI1_D1, TIM1_BKIN2, QUADSPI1_BK2_IO2, SAI1_SD_A, EVENTOUT."
      },
      {
        "number": "12",
        "name": "PA0",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC12_IN1, COMP1_INM, COMP3_INP, RTC_TAMP2, WKUP1. Alternate: TIM2_CH1, TIM5_CH1, USART2_CTS, COMP1_OUT, TIM8_BKIN, TIM8_ETR, TIM2_ETR, EVENTOUT."
      },
      {
        "number": "13",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC12_IN2, COMP1_INP, OPAMP1_VINP, OPAMP3_VINP, OPAMP6_VINM. Alternate: RTC_REFIN, TIM2_CH2, TIM5_CH2, USART2_RTS_DE, TIM15_CH1N, EVENTOUT."
      },
      {
        "number": "14",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO (FT_a, 5 V tolerant, analog switch). Additional: ADC1_IN3, COMP2_INM, OPAMP1_VOUT, WKUP4/LSCO. Alternate: TIM2_CH3, TIM5_CH3, USART2_TX, COMP2_OUT, TIM15_CH1, QUADSPI1_BK1_NCS, LPUART1_TX, UCPD1_FRSTX, EVENTOUT."
      },
      {
        "number": "15",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground reference (0 V). Bond to solid ground plane."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71-3.6 V. Decouple locally with a 100 nF capacitor."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC1_IN4, COMP2_INP, OPAMP1_VINM/OPAMP1_VINP, OPAMP5_VINM. Alternate: TIM2_CH4, TIM5_CH4, SAI1_CK1, USART2_RX, TIM15_CH2, QUADSPI1_CLK, LPUART1_RX, SAI1_MCLK_A, EVENTOUT."
      },
      {
        "number": "18",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC2_IN17, DAC1_OUT1, COMP1_INM. Alternate: TIM3_CH2, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK, SAI1_FS_B, EVENTOUT."
      },
      {
        "number": "19",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC2_IN13, DAC1_OUT2, COMP2_INM, OPAMP2_VINM. Alternate: TIM2_CH1, TIM2_ETR, SPI1_SCK, UCPD1_FRSTX, EVENTOUT."
      },
      {
        "number": "20",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC2_IN3, DAC2_OUT1, OPAMP2_VOUT. Alternate: TIM16_CH1, TIM3_CH1, TIM8_BKIN, SPI1_MISO, TIM1_BKIN, COMP1_OUT, QUADSPI1_BK1_IO3, LPUART1_CTS, EVENTOUT."
      },
      {
        "number": "21",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC2_IN4, COMP2_INP, OPAMP1_VINP, OPAMP2_VINP. Alternate: TIM17_CH1, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, TIM1_CH1N, COMP2_OUT, QUADSPI1_BK1_IO2, UCPD1_FRSTX, EVENTOUT."
      },
      {
        "number": "22",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO (FT_fa, 5 V tolerant, Fm+ and analog switch). Additional: ADC2_IN5. Alternate: TIM1_ETR, I2C2_SCL, USART1_TX, QUADSPI1_BK2_IO3, EVENTOUT."
      },
      {
        "number": "23",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC2_IN11, OPAMP1_VINM, OPAMP2_VINM, WKUP5. Alternate: TIM15_BKIN, SAI1_D3, TIM1_CH4N, USART1_RX, HRTIM1_EEV10, EVENTOUT."
      },
      {
        "number": "24",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC3_IN12/ADC1_IN15, COMP4_INP, OPAMP2_VINP, OPAMP3_VINP. Alternate: TIM3_CH3, TIM8_CH2N, TIM1_CH2N, QUADSPI1_BK1_IO1, HRTIM1_FLT5, UCPD1_FRSTX, EVENTOUT."
      },
      {
        "number": "25",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC3_IN1/ADC1_IN12, COMP1_INP, OPAMP3_VOUT, OPAMP6_VINM. Alternate: TIM3_CH4, TIM8_CH3N, TIM1_CH3N, COMP4_OUT, QUADSPI1_BK1_IO0, LPUART1_RTS_DE, HRTIM1_SCOUT, EVENTOUT."
      },
      {
        "number": "26",
        "name": "PB2",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC2_IN12, COMP4_INM, OPAMP3_VINM. Alternate: RTC_OUT2, LPTIM1_OUT, TIM5_CH1, TIM20_CH1, I2C3_SMBA, QUADSPI1_BK2_IO1, HRTIM1_SCIN, EVENTOUT."
      },
      {
        "number": "27",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground reference for ADCs, DACs, comparators, op-amps and VREFBUF. Tie to VSS with a clean star topology."
      },
      {
        "number": "28",
        "name": "VREF+",
        "type": "power_in",
        "description": "External positive reference voltage for the ADCs and DACs (or VREFBUF output when the internal buffer is enabled). Range typically 2.0 V to VDDA. Additional function: VREFBUF_OUT."
      },
      {
        "number": "29",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for ADCs, DACs, comparators, op-amps, VREFBUF and reset block, 1.62-3.6 V. Must be ≥ VDD and separately decoupled."
      },
      {
        "number": "30",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: COMP5_INM, OPAMP3_VINM, OPAMP4_VINM. Alternate: TIM2_CH3, USART3_TX, LPUART1_RX, QUADSPI1_CLK, TIM1_BKIN, HRTIM1_FLT3, SAI1_SCK_A, EVENTOUT."
      },
      {
        "number": "31",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground reference (0 V)."
      },
      {
        "number": "32",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71-3.6 V. Local 100 nF decoupling required."
      },
      {
        "number": "33",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC12_IN14, COMP6_INP, OPAMP4_VINP, OPAMP6_VOUT. Alternate: TIM2_CH4, USART3_RX, LPUART1_TX, QUADSPI1_BK1_NCS, HRTIM1_FLT4, EVENTOUT."
      },
      {
        "number": "34",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC4_IN3/ADC1_IN11, COMP7_INM, OPAMP4_VOUT, OPAMP6_VINP. Alternate: TIM5_ETR, I2C2_SMBA, SPI2_NSS/I2S2_WS, TIM1_BKIN, USART3_CK, LPUART1_RTS_DE, FDCAN2_RX, HRTIM1_CHC1, EVENTOUT."
      },
      {
        "number": "35",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC3_IN5, COMP5_INP, OPAMP3_VINP, OPAMP4_VINP, OPAMP6_VINP. Alternate: SPI2_SCK/I2S2_CK, TIM1_CH1N, USART3_CTS, LPUART1_CTS, FDCAN2_TX, HRTIM1_CHC2, EVENTOUT."
      },
      {
        "number": "36",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC4_IN4/ADC1_IN5, COMP7_INP, OPAMP2_VINP, OPAMP5_VINP. Alternate: TIM15_CH1, SPI2_MISO, TIM1_CH2N, USART3_RTS_DE, COMP4_OUT, HRTIM1_CHD1, EVENTOUT."
      },
      {
        "number": "37",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO (TT_a, 3.6 V tolerant, analog switch). Additional: ADC4_IN5/ADC2_IN15, COMP6_INM, OPAMP5_VINM. Alternate: RTC_REFIN, TIM15_CH2, TIM15_CH1N, COMP3_OUT, TIM1_CH3N, SPI2_MOSI/I2S2_SD, HRTIM1_CHD2, EVENTOUT."
      },
      {
        "number": "38",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO (FT_f, 5 V tolerant, Fm+). Alternate: TIM3_CH1, HRTIM1_EEV10, TIM8_CH1, I2S2_MCK, COMP6_OUT, I2C4_SCL, HRTIM1_CHF1, EVENTOUT."
      },
      {
        "number": "39",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO (FT_f, 5 V tolerant, Fm+). Alternate: TIM3_CH2, HRTIM1_FLT5, TIM8_CH2, I2S3_MCK, COMP5_OUT, I2C4_SDA, HRTIM1_CHF2, EVENTOUT."
      },
      {
        "number": "40",
        "name": "PC8",
        "type": "bidirectional",
        "description": "GPIO (FT_f, 5 V tolerant, Fm+). Alternate: TIM3_CH3, HRTIM1_CHE1, TIM8_CH3, TIM20_CH3, COMP7_OUT, I2C3_SCL, EVENTOUT."
      },
      {
        "number": "41",
        "name": "PC9",
        "type": "bidirectional",
        "description": "GPIO (FT_f, 5 V tolerant, Fm+). Alternate: TIM3_CH4, HRTIM1_CHE2, TIM8_CH4, I2SCKIN, TIM8_BKIN2, I2C3_SDA, EVENTOUT."
      },
      {
        "number": "42",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO (FT_a, 5 V tolerant, analog switch). Additional: ADC5_IN1, OPAMP5_VOUT. Alternate: MCO, I2C3_SCL, I2C2_SDA, I2S2_MCK, TIM1_CH1, USART1_CK, COMP7_OUT, TIM4_ETR, FDCAN3_RX, SAI1_CK2, HRTIM1_CHA1, SAI1_SCK_A, EVENTOUT."
      },
      {
        "number": "43",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO (FT_fda, 5 V tolerant, Fm+, USB-C dead-battery, analog switch). Additional: ADC5_IN2, UCPD1_DBCC1. Alternate: I2C3_SMBA, I2C2_SCL, I2S3_MCK, TIM1_CH2, USART1_TX, COMP5_OUT, TIM15_BKIN, TIM2_CH3, HRTIM1_CHA2, SAI1_FS_A, EVENTOUT."
      },
      {
        "number": "44",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO (FT_fda, 5 V tolerant, Fm+, USB-C dead-battery, analog switch). Additional: UCPD1_DBCC2. Alternate: TIM17_BKIN, USB_CRS_SYNC, I2C2_SMBA, SPI2_MISO, TIM1_CH3, USART1_RX, COMP6_OUT, TIM2_CH4, TIM8_BKIN, SAI1_D1, HRTIM1_CHB1, SAI1_SD_A, EVENTOUT."
      },
      {
        "number": "45",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO with USB function (FT_u, 5 V tolerant). Additional: USB_DM (D-). Alternate: SPI2_MOSI/I2S2_SD, TIM1_CH1N, USART1_CTS, COMP1_OUT, FDCAN1_RX, TIM4_CH1, TIM1_CH4, TIM1_BKIN2, HRTIM1_CHB2, EVENTOUT."
      },
      {
        "number": "46",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO with USB function (FT_u, 5 V tolerant). Additional: USB_DP (D+). Alternate: TIM16_CH1, I2SCKIN, TIM1_CH2N, USART1_RTS_DE, COMP2_OUT, FDCAN1_TX, TIM4_CH2, TIM1_ETR, HRTIM1_FLT1, EVENTOUT."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground reference (0 V)."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71-3.6 V. Local 100 nF decoupling required."
      },
      {
        "number": "49",
        "name": "PA13",
        "type": "bidirectional",
        "description": "SWDIO / JTMS in reset state (FT_f, 5 V tolerant, Fm+). Alternate: SWDIO-JTMS, TIM16_CH1N, I2C4_SCL, I2C1_SCL, IR_OUT, USART3_CTS, TIM4_CH3, SAI1_SD_B, EVENTOUT."
      },
      {
        "number": "50",
        "name": "PA14",
        "type": "bidirectional",
        "description": "SWCLK / JTCK in reset state (FT_f, 5 V tolerant, Fm+). Alternate: SWCLK-JTCK, LPTIM1_OUT, I2C4_SMBA, I2C1_SDA, TIM8_CH2, TIM1_BKIN, USART2_TX, SAI1_FS_B, EVENTOUT."
      },
      {
        "number": "51",
        "name": "PA15",
        "type": "bidirectional",
        "description": "JTDI in reset state (FT_f, 5 V tolerant, Fm+). Alternate: JTDI, TIM2_CH1, TIM8_CH1, I2C1_SCL, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_RX, UART4_RTS_DE, TIM1_BKIN, FDCAN3_TX, HRTIM1_FLT2, TIM2_ETR, EVENTOUT."
      },
      {
        "number": "52",
        "name": "PC10",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant). Alternate: TIM8_CH1N, UART4_TX, SPI3_SCK/I2S3_CK, USART3_TX, HRTIM1_FLT6, EVENTOUT."
      },
      {
        "number": "53",
        "name": "PC11",
        "type": "bidirectional",
        "description": "GPIO (FT_f, 5 V tolerant, Fm+). Alternate: HRTIM1_EEV2, TIM8_CH2N, UART4_RX, SPI3_MISO, USART3_RX, I2C3_SDA, EVENTOUT."
      },
      {
        "number": "54",
        "name": "PC12",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant). Alternate: TIM5_CH2, HRTIM1_EEV1, TIM8_CH3N, UART5_TX, SPI3_MOSI/I2S3_SD, USART3_CK, UCPD1_FRSTX, EVENTOUT."
      },
      {
        "number": "55",
        "name": "PD2",
        "type": "bidirectional",
        "description": "GPIO (FT, 5 V tolerant). Alternate: TIM3_ETR, TIM8_BKIN, UART5_RX, EVENTOUT."
      },
      {
        "number": "56",
        "name": "PB3",
        "type": "bidirectional",
        "description": "JTDO / TRACESWO in reset state (FT, 5 V tolerant). Alternate: JTDO-TRACESWO, 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, SAI1_SCK_B, EVENTOUT."
      },
      {
        "number": "57",
        "name": "PB4",
        "type": "bidirectional",
        "description": "JTRST in reset state (FT_c, 5 V tolerant, USB Type-C PD capable). Additional: UCPD1_CC2. Alternate: JTRST, TIM16_CH1, TIM3_CH1, TIM8_CH2N, SPI1_MISO, SPI3_MISO, USART2_RX, UART5_RTS_DE, TIM17_BKIN, FDCAN3_TX, HRTIM1_EEV7, SAI1_MCLK_B, EVENTOUT."
      },
      {
        "number": "58",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO (FT_f, 5 V tolerant, Fm+). Alternate: 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, UART5_CTS, EVENTOUT."
      },
      {
        "number": "59",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO (FT_c, 5 V tolerant, USB Type-C PD capable). Additional: UCPD1_CC1. Alternate: TIM16_CH1N, TIM4_CH1, TIM8_CH1, TIM8_ETR, USART1_TX, COMP4_OUT, FDCAN2_TX, TIM8_BKIN2, LPTIM1_ETR, HRTIM1_SCIN, HRTIM1_EEV4, SAI1_FS_B, EVENTOUT."
      },
      {
        "number": "60",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO (FT_f, 5 V tolerant, Fm+). Additional: PVD_IN. Alternate: TIM17_CH1N, TIM4_CH2, I2C4_SDA, I2C1_SDA, TIM8_BKIN, USART1_RX, COMP3_OUT, TIM3_CH4, LPTIM1_IN2, FMC_NL, HRTIM1_EEV3, UART4_CTS, EVENTOUT."
      },
      {
        "number": "61",
        "name": "PB8-BOOT0",
        "type": "bidirectional",
        "description": "Multiplexed BOOT0 pin and GPIO PB8 (FT_f, 5 V tolerant, Fm+). At reset the pin selects the boot memory (main Flash / system memory / SRAM) depending on BOOT_SEL and nBOOT1 option bytes; afterwards operates as GPIO PB8. Alternate: TIM16_CH1, TIM4_CH3, SAI1_CK1, I2C1_SCL, USART3_RX, COMP1_OUT, FDCAN1_RX, TIM8_CH2, TIM1_BKIN, HRTIM1_EEV8, SAI1_MCLK_A, EVENTOUT."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO (FT_f, 5 V tolerant, Fm+). Alternate: TIM17_CH1, TIM4_CH4, SAI1_D2, I2C1_SDA, IR_OUT, USART3_TX, COMP2_OUT, FDCAN1_TX, TIM8_CH3, TIM1_CH3N, HRTIM1_EEV5, SAI1_FS_A, EVENTOUT."
      },
      {
        "number": "63",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground reference (0 V)."
      },
      {
        "number": "64",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71-3.6 V. Local 100 nF decoupling required."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/stm32g474ret6.pdf",
        "pages": 236,
        "sha256": "d493fe0ab22e61ff",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true,
        "checked_against": "STMicroelectronics STM32_open_pin_data (STM32G474R(B-C-E)Tx.xml, LQFP64)"
      },
      "correction": {
        "at": "2026-10-01",
        "what": "2 of 64 pins corrected",
        "how": "pinout replaced from STMicroelectronics STM32_open_pin_data (STM32G474R(B-C-E)Tx.xml, LQFP64); the previous pinout came from an earlier extraction",
        "symbol": "regenerated from the corrected pinout"
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "mcu": {
      "part_number": "STM32G474RET6",
      "series": "STM32G4",
      "subfamily": "STM32G474",
      "core": "Arm Cortex-M4",
      "frequency_mhz": 170,
      "flash_kb": 512,
      "ram_kb": 128,
      "io_count": 52,
      "package": "LQFP 64 10x10x1.4 mm",
      "marketing_status": "Active",
      "fpu": "Single-precision FPU",
      "supply_v_min": 1.71,
      "supply_v_max": 3.6,
      "temp_min_c": -40,
      "temp_max_c": 85,
      "adc_count": 5,
      "timers": 11,
      "in_distributor_stock": false,
      "product_folder": "/en/microcontrollers-microprocessors/stm32g474re.html",
      "source": "st.com portfolio grid CL1734"
    }
  },
  "metadata": {
    "specs": {
      "Core": "Arm Cortex-M4",
      "Max clock": "170 MHz",
      "Flash": "512 kB",
      "RAM": "128 kB",
      "I/O pins": 52,
      "ADC units": 5,
      "ST status": "Active",
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-64(10x10)",
      "Category": "MCU",
      "Pins": "64"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm32g474ret6"
  ],
  "discovery_pitch": "STM32G474RET6 (STMicroelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32g474ret6.kicad_sym",
    "stm32g474ret6.kicad_mod",
    "stm32g474ret6.glb",
    "stm32g474ret6.step",
    "stm32g474ret6.lbr",
    "docs/hero.png",
    "docs/stm32g474ret6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "STM32G474RET6CxU",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6CxT",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6RBT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6RCT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6MBT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6MCT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6MET6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6VBT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6VCT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6VET6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6QBT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6QCT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6QET6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6AxY",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6VxH",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G474RET6QxJ",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T08:51:28.874Z"
}