STM32G473RBT6

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32g473rbt6",
  "title": "STM32G473RBT6",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). 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",
    "stm32g473rbt6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32G473RBT6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886202846363648",
    "parts": {
      "symbol": "stm32g473rbt6.kicad_sym",
      "footprint": "stm32g473rbt6.kicad_mod",
      "model_3d": "stm32g473rbt6-hero.glb",
      "model_3d_plain": "stm32g473rbt6.glb",
      "model_3d_step": "stm32g473rbt6-etched.step",
      "model_3d_step_plain": "stm32g473rbt6.step",
      "lbr": "stm32g473rbt6.lbr"
    },
    "distributor_links": {
      "lcsc": "C529360",
      "digikey": "STM32G473RBT6-ND",
      "mouser": "511-STM32G473RBT6"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T23:18:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "STM32G473RBT6-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32G473RBT6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup operating voltage of 1.55 V to 3.6 V, supplying the RTC and backup registers."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) GPIO supplied through the power switch, which sinks only 3 mA, so output use is limited to 2 MHz with a 30 pF load and it must not be used as a current source; also WKUP2, RTC_TAMP1, RTC_TS and RTC_OUT1."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO supplied through the power switch (3 mA sink limit, 2 MHz and 30 pF output limit, no current sourcing) and the 32 kHz oscillator input OSC32_IN."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO supplied through the power switch (3 mA sink limit, 2 MHz and 30 pF output limit, no current sourcing) and the 32 kHz oscillator output OSC32_OUT."
      },
      {
        "number": "5",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O with analog switch supplied by VDDA, also serving as HSE oscillator input OSC_IN and ADC1_IN10."
      },
      {
        "number": "6",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch supplied by VDDA, also serving as HSE oscillator output OSC_OUT, with ADC2_IN10 and COMP3_INM."
      },
      {
        "number": "7",
        "name": "PG10-NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up resistor; 5 V tolerant I/O (FT) with MCO alternate function."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch supplied by VDDA; alternate functions LPTIM1_IN1, TIM1_CH1 and LPUART1_RX; analog inputs ADC12_IN6 and COMP3_INM."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions LPTIM1_OUT, TIM1_CH2, LPUART1_TX, QUADSPI1_BK2_IO0 and SAI1_SD_A; analog inputs ADC12_IN7 and COMP3_INP."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch supplied by VDDA; alternate functions LPTIM1_IN2, TIM1_CH3, COMP3_OUT, TIM20_CH2 and QUADSPI1_BK2_IO1; analog input ADC12_IN8."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions LPTIM1_ETR, TIM1_CH4, SAI1_D1, TIM1_BKIN2 and QUADSPI1_BK2_IO2; analog inputs ADC12_IN9 and OPAMP5_VINP."
      },
      {
        "number": "12",
        "name": "PA0",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions TIM2_CH1, TIM5_CH1, USART2_CTS, COMP1_OUT and TIM8_BKIN; analog inputs ADC12_IN1, COMP1_INM and COMP3_INP; also RTC_TAMP2 and WKUP1."
      },
      {
        "number": "13",
        "name": "PA1",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions RTC_REFIN, TIM2_CH2, TIM5_CH2, USART2_RTS_DE and TIM15_CH1N; analog inputs ADC12_IN2, COMP1_INP, OPAMP1_VINP, OPAMP3_VINP and OPAMP6_VINM."
      },
      {
        "number": "14",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch supplied by VDDA; alternate functions TIM2_CH3, TIM5_CH3, USART2_TX, COMP2_OUT, TIM15_CH1, LPUART1_TX and UCPD1_FRSTX; analog inputs ADC1_IN3, COMP2_INM and OPAMP1_VOUT; also WKUP4/LSCO."
      },
      {
        "number": "15",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin that must be connected to the external ground within the permitted range."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Standard operating voltage of 1.71 V to 3.6 V; functionality is guaranteed down to VBOR0 min once RESET is released."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions TIM2_CH4, TIM5_CH4, SAI1_CK1, USART2_RX, TIM15_CH2 and LPUART1_RX; analog inputs ADC1_IN4, COMP2_INP, OPAMP1_VINM/OPAMP1_VINP and OPAMP5_VINM."
      },
      {
        "number": "18",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions TIM3_CH2, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK and SAI1_FS_B; analog inputs ADC2_IN17, DAC1_OUT1 and COMP1_INM."
      },
      {
        "number": "19",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions TIM2_CH1, TIM2_ETR, SPI1_SCK and UCPD1_FRSTX; analog inputs ADC2_IN13, DAC1_OUT2, COMP2_INM and OPAMP2_VINM."
      },
      {
        "number": "20",
        "name": "PA6",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions TIM16_CH1, TIM3_CH1, TIM8_BKIN, SPI1_MISO, COMP1_OUT, QUADSPI1_BK1_IO3 and LPUART1_CTS; analog inputs ADC2_IN3, DAC2_OUT1 and OPAMP2_VOUT."
      },
      {
        "number": "21",
        "name": "PA7",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions TIM17_CH1, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, COMP2_OUT, QUADSPI1_BK1_IO2 and UCPD1_FRSTX; analog inputs ADC2_IN4, COMP2_INP, OPAMP1_VINP and OPAMP2_VINP."
      },
      {
        "number": "22",
        "name": "PC4",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O with analog switch supplied by VDDA; alternate functions TIM1_ETR, I2C2_SCL, USART1_TX and QUADSPI1_BK2_IO3; analog input ADC2_IN5."
      },
      {
        "number": "23",
        "name": "PC5",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions TIM15_BKIN, SAI1_D3, TIM1_CH4N and USART1_RX; analog inputs ADC2_IN11, OPAMP1_VINM and OPAMP2_VINM; also WKUP5."
      },
      {
        "number": "24",
        "name": "PB0",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions TIM3_CH3, TIM8_CH2N, TIM1_CH2N, QUADSPI1_BK1_IO1 and UCPD1_FRSTX; analog inputs ADC3_IN12/ADC1_IN15, COMP4_INP, OPAMP2_VINP and OPAMP3_VINP."
      },
      {
        "number": "25",
        "name": "PB1",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions TIM3_CH4, TIM8_CH3N, TIM1_CH3N, COMP4_OUT, QUADSPI1_BK1_IO0 and LPUART1_RTS_DE; analog inputs ADC3_IN1/ADC1_IN12, COMP1_INP, OPAMP3_VOUT and OPAMP6_VINM."
      },
      {
        "number": "26",
        "name": "PB2",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions RTC_OUT2, LPTIM1_OUT, TIM5_CH1, TIM20_CH1, I2C3_SMBA and QUADSPI1_BK2_IO1; analog inputs ADC2_IN12, COMP4_INM and OPAMP3_VINM."
      },
      {
        "number": "27",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin that must be connected to the external ground within the permitted range."
      },
      {
        "number": "28",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive reference voltage pin (additional function VREFBUF_OUT) that may be internally connected to VDDA depending on the package."
      },
      {
        "number": "29",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply of 1.62 V minimum for the ADC, 1.8 V minimum for the DAC, OPAMP and COMP (2.4 V minimum when VREFBUF is used), up to 3.6 V."
      },
      {
        "number": "30",
        "name": "PB10",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions TIM2_CH3, USART3_TX, LPUART1_RX, QUADSPI1_CLK, TIM1_BKIN and SAI1_SCK_A; analog inputs COMP5_INM, OPAMP3_VINM and OPAMP4_VINM."
      },
      {
        "number": "31",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin that must be connected to the external ground within the permitted range."
      },
      {
        "number": "32",
        "name": "VDD",
        "type": "power_in",
        "description": "Standard operating voltage of 1.71 V to 3.6 V; functionality is guaranteed down to VBOR0 min once RESET is released."
      },
      {
        "number": "33",
        "name": "PB11",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions TIM2_CH4, USART3_RX, LPUART1_TX and QUADSPI1_BK1_NCS; analog inputs ADC12_IN14, COMP6_INP, OPAMP4_VINP and OPAMP6_VOUT."
      },
      {
        "number": "34",
        "name": "PB12",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions TIM5_ETR, I2C2_SMBA, SPI2_NSS/I2S2_WS, TIM1_BKIN, USART3_CK, LPUART1_RTS_DE and FDCAN2_RX; analog inputs ADC4_IN3/ADC1_IN11, COMP7_INM, OPAMP4_VOUT and OPAMP6_VINP."
      },
      {
        "number": "35",
        "name": "PB13",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions SPI2_SCK/I2S2_CK, TIM1_CH1N, USART3_CTS, LPUART1_CTS and FDCAN2_TX; analog inputs ADC3_IN5, COMP5_INP, OPAMP3_VINP, OPAMP4_VINP and OPAMP6_VINP."
      },
      {
        "number": "36",
        "name": "PB14",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions TIM15_CH1, SPI2_MISO, TIM1_CH2N, USART3_RTS_DE and COMP4_OUT; analog inputs ADC4_IN4/ADC1_IN5, COMP7_INP, OPAMP2_VINP and OPAMP5_VINP."
      },
      {
        "number": "37",
        "name": "PB15",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O (TT) with analog switch supplied by VDDA; alternate functions RTC_REFIN, TIM15_CH2, TIM15_CH1N, COMP3_OUT, TIM1_CH3N and SPI2_MOSI/I2S2_SD; analog inputs ADC4_IN5/ADC2_IN15, COMP6_INM and OPAMP5_VINM."
      },
      {
        "number": "38",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f); alternate functions TIM3_CH1, TIM8_CH1, I2S2_MCK, COMP6_OUT and I2C4_SCL."
      },
      {
        "number": "39",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f); alternate functions TIM3_CH2, TIM8_CH2, I2S3_MCK, COMP5_OUT and I2C4_SDA."
      },
      {
        "number": "40",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f); alternate functions TIM3_CH3, TIM8_CH3, TIM20_CH3, COMP7_OUT and I2C3_SCL."
      },
      {
        "number": "41",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f); alternate functions TIM3_CH4, TIM8_CH4, I2SCKIN, TIM8_BKIN2 and I2C3_SDA."
      },
      {
        "number": "42",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch supplied by VDDA; alternate functions MCO, I2C3_SCL, I2C2_SDA, I2S2_MCK, TIM1_CH1, USART1_CK, COMP7_OUT, TIM4_ETR, FDCAN3_RX, SAI1_CK2 and SAI1_SCK_A; analog inputs ADC5_IN1 and OPAMP5_VOUT."
      },
      {
        "number": "43",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O with analog switch supplied by VDDA and USB Type-C dead battery function (FT_fda); alternate functions I2C3_SMBA, I2C2_SCL, I2S3_MCK, TIM1_CH2, USART1_TX, TIM15_BKIN and SAI1_FS_A; analog input ADC5_IN2 and UCPD1_DBCC1."
      },
      {
        "number": "44",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O with analog switch supplied by VDDA and USB Type-C dead battery function (FT_fda); alternate functions TIM17_BKIN, USB_CRS_SYNC, I2C2_SMBA, SPI2_MISO, TIM1_CH3, USART1_RX, COMP6_OUT and SAI1_SD_A; also UCPD1_DBCC2."
      },
      {
        "number": "45",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with USB function (FT_u); alternate functions SPI2_MOSI/I2S2_SD, TIM1_CH1N, USART1_CTS, COMP1_OUT, FDCAN1_RX and TIM1_BKIN2; also USB_DM."
      },
      {
        "number": "46",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with USB function (FT_u); alternate functions TIM16_CH1, I2SCKIN, TIM1_CH2N, USART1_RTS_DE, COMP2_OUT, FDCAN1_TX and TIM1_ETR; also USB_DP."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin that must be connected to the external ground within the permitted range."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Standard operating voltage of 1.71 V to 3.6 V; functionality is guaranteed down to VBOR0 min once RESET is released."
      },
      {
        "number": "49",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f); after reset it is configured as the SWDIO-JTMS debug function with its internal pull-up activated."
      },
      {
        "number": "50",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f); after reset it is configured as the SWCLK-JTCK debug function with its internal pull-down activated."
      },
      {
        "number": "51",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f); after reset it is configured as the JTDI debug function with its internal pull-up activated."
      },
      {
        "number": "52",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate functions TIM8_CH1N, UART4_TX, SPI3_SCK/I2S3_CK and USART3_TX."
      },
      {
        "number": "53",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f); alternate functions TIM8_CH2N, UART4_RX, SPI3_MISO, USART3_RX and I2C3_SDA."
      },
      {
        "number": "54",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate functions TIM5_CH2, TIM8_CH3N, UART5_TX, SPI3_MOSI/I2S3_SD, USART3_CK and UCPD1_FRSTX."
      },
      {
        "number": "55",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate functions TIM3_ETR, TIM8_BKIN and UART5_RX."
      },
      {
        "number": "56",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); after reset it is configured as the JTDO-TRACESWO debug alternate function, with TIM2_CH2, SPI1_SCK, SPI3_SCK/I2S3_CK and USART2_TX also available."
      },
      {
        "number": "57",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant USB Type-C PD capable I/O (FT_c); after reset it is configured as the JTRST debug function with its internal pull-up activated; also UCPD1_CC2."
      },
      {
        "number": "58",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f); alternate functions TIM16_BKIN, TIM3_CH2, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI/I2S3_SD, USART2_CK, I2C3_SDA and FDCAN2_RX."
      },
      {
        "number": "59",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant USB Type-C PD capable I/O (FT_c); alternate functions TIM16_CH1N, TIM4_CH1, I2C4_SCL, I2C1_SCL, TIM8_CH1, USART1_TX, COMP4_OUT and FDCAN2_TX; also UCPD1_CC1."
      },
      {
        "number": "60",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f); alternate functions TIM17_CH1N, TIM4_CH2, I2C4_SDA, I2C1_SDA, USART1_RX, COMP3_OUT, LPTIM1_IN2 and FMC_NL; also PVD_IN."
      },
      {
        "number": "61",
        "name": "PB8-BOOT0",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f) that shares the BOOT0 function; datasheet recommends setting it to a mode other than analog after startup to limit consumption if left unconnected."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O (FT_f); alternate functions TIM17_CH1, TIM4_CH4, SAI1_D2, I2C1_SDA, IR_OUT, USART3_TX, COMP2_OUT, FDCAN1_TX and TIM8_CH3."
      },
      {
        "number": "63",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin that must be connected to the external ground within the permitted range."
      },
      {
        "number": "64",
        "name": "VDD",
        "type": "power_in",
        "description": "Standard operating voltage of 1.71 V to 3.6 V; functionality is guaranteed down to VBOR0 min once RESET is released."
      }
    ],
    "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: The LQFP64 pinout drawing (Figure 7) has a scrambled text layer, so the pin-number-to-name mapping w; MPN suffix RBT6 corresponds to 64 pins, 128 KB Flash, LQFP package, temperature range 6, which match; VREF+ on pin 28 is listed with the additional function VREFBUF_OUT, and the datasheet notes that VRE"
        ],
        "pages_sent": 73,
        "cost_usd": 0.3846,
        "at": "2026-10-11T23:18:23"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886202846363648",
        "pages": 223,
        "sha256": "f9c3d763b8bef2b7",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stm32g473rbt6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
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