STM32F303RBT6TR

{
  "slug": "stm32f303rbt6tr",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32f303rbt6tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32f303rbt6tr.kicad_sym",
    "stm32f303rbt6tr.kicad_mod",
    "stm32f303rbt6tr.glb",
    "stm32f303rbt6tr.step",
    "stm32f303rbt6tr.lbr",
    "docs/hero.png",
    "docs/stm32f303rbt6tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32f303rbt6tr-hero.glb",
    "stm32f303rbt6tr-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32F303RBT6TR",
    "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/8588894265917517824",
    "parts": {
      "symbol": "stm32f303rbt6tr.kicad_sym",
      "footprint": "stm32f303rbt6tr.kicad_mod",
      "model_3d": "stm32f303rbt6tr-hero.glb",
      "model_3d_plain": "stm32f303rbt6tr.glb",
      "model_3d_step": "stm32f303rbt6tr-etched.step",
      "model_3d_step_plain": "stm32f303rbt6tr.step",
      "lbr": "stm32f303rbt6tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2053891",
      "digikey": "497-18777-2-ND",
      "mouser": "511-STM32F303RBT6TR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T03:00:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-18777-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F303RBT6TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup power supply for the RTC and backup registers."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O supplied through the power switch, which sinks only 3 mA, so output use is limited to 2 MHz max at 30 pF and it must not source current such as driving an LED."
      },
      {
        "number": "3",
        "name": "PC14/OSC32_IN",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O supplied through the power switch (3 mA limit, 2 MHz max at 30 pF, no current sourcing), also used as OSC32_IN for the 32.768 kHz oscillator."
      },
      {
        "number": "4",
        "name": "PC15/OSC32_OUT",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O supplied through the power switch (3 mA limit, 2 MHz max at 30 pF, no current sourcing), also used as OSC32_OUT for the 32.768 kHz oscillator."
      },
      {
        "number": "5",
        "name": "PF0/OSC_IN",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O (FTf), also used as OSC_IN for the external crystal oscillator input."
      },
      {
        "number": "6",
        "name": "PF1/OSC_OUT",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O (FTf), also used as OSC_OUT for the external crystal oscillator output."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional device reset pin, active low, with embedded weak pull-up; acts as reset input and internal reset output."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC (ADC12_IN6), with COMP7_INM and EVENTOUT functions."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC (ADC12_IN7), with COMP7_INP and EVENTOUT functions."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC (ADC12_IN8), with COMP7_OUT and EVENTOUT functions."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC (ADC12_IN9), with TIM1_BKIN2 and EVENTOUT functions."
      },
      {
        "number": "12",
        "name": "VSSA/VREF-",
        "type": "power_in",
        "description": "Analog ground and negative reference voltage."
      },
      {
        "number": "13",
        "name": "VDDA/VREF+",
        "type": "power_in",
        "description": "Analog power supply (2.0 to 3.6 V) and positive reference voltage; on the 64-pin package VREF+ is internally connected to VDDA."
      },
      {
        "number": "14",
        "name": "PA0",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC1_IN1, with USART2_CTS, TIM2_CH1_ETR, TSC_G1_IO1 and WKUP1 functions."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC1_IN2, with USART2_RTS_DE, TIM2_CH2, TSC_G1_IO2 and RTC_REFIN functions."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC1_IN3, with USART2_TX, TIM2_CH3, TSC_G1_IO3 and COMP2_OUT functions; reduced touch sensing sensitivity, recommended as sampling capacitor I/O."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC1_IN4, with USART2_RX, TIM2_CH4, TSC_G1_IO4 and OPAMP1_VINM functions."
      },
      {
        "number": "18",
        "name": "PF4",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC1_IN5, with COMP1_OUT and EVENTOUT functions."
      },
      {
        "number": "19",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital power supply (2.0 to 3.6 V)."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC2_IN1, with DAC1_OUT1, SPI1_NSS and USART2_CK functions; reduced touch sensing sensitivity, recommended as sampling capacitor I/O."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC2_IN2, with DAC1_OUT2, SPI1_SCK and TSC_G2_IO2 functions; reduced touch sensing sensitivity, recommended as sampling capacitor I/O."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC2_IN3, with SPI1_MISO, TIM16_CH1 and TIM3_CH1 functions; reduced touch sensing sensitivity, recommended as sampling capacitor I/O."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC2_IN4, with SPI1_MOSI, TIM17_CH1 and TIM3_CH2 functions."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (ADC2_IN5), with USART1_TX and EVENTOUT functions."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (ADC2_IN11), with USART1_RX and TSC_G3_IO1 functions."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (ADC3_IN12), with TIM3_CH3, TIM1_CH2N and TSC_G3_IO2 functions."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC3_IN1, with TIM3_CH4, TIM1_CH3N and COMP4_OUT functions; reduced touch sensing sensitivity, recommended as sampling capacitor I/O."
      },
      {
        "number": "28",
        "name": "PB2",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (ADC2_IN12), with TSC_G3_IO4 and COMP4_INM functions."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, with USART3_TX, TIM2_CH3 and TSC_SYNC functions."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, with USART3_RX, TIM2_CH4 and TSC_G6_IO1 functions."
      },
      {
        "number": "31",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "32",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital power supply (2.0 to 3.6 V)."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC4_IN3, with SPI2_NSS, I2S2_WS, I2C2_SMBA and USART3_CK; reduced touch sensing sensitivity, recommended as sampling capacitor I/O."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC3_IN5, with SPI2_SCK, I2S2_CK, USART3_CTS and TIM1_CH1N functions."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC4_IN4, with SPI2_MISO, I2S2ext_SD, USART3_RTS_DE and TIM1_CH2N functions."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC4_IN5, with SPI2_MOSI, I2S2_SD, RTC_REFIN and TIM15_CH2 functions."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with I2S2_MCK, COMP6_OUT, TIM8_CH1 and TIM3_CH1 functions."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with I2S3_MCK, TIM8_CH2, TIM3_CH2 and COMP5_OUT functions."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with TIM8_CH3, TIM3_CH3 and COMP3_OUT functions."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with TIM8_CH4, TIM8_BKIN2, TIM3_CH4 and I2S_CKIN functions."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with MCO, I2C2_SMBA, USART1_CK, TIM1_CH1 and COMP3_OUT functions."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O (FTf) with I2C2_SCL, USART1_TX, TIM1_CH2, TIM2_CH3 and COMP5_OUT functions."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O (FTf) with I2C2_SDA, USART1_RX, TIM1_CH3, TIM2_CH4 and COMP6_OUT functions."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with USART1_CTS, USB_DM, CAN_RX, TIM1_CH1N and COMP1_OUT functions."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with USART1_RTS_DE, USB_DP, CAN_TX, TIM1_CH2N and COMP2_OUT functions."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with SWDIO-JTMS, IR_OUT, USART3_CTS, TIM4_CH3 and TIM16_CH1N functions."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital power supply (2.0 to 3.6 V)."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O (FTf) with SWCLK-JTCK, I2C1_SDA, USART2_TX, TIM8_CH2 and TIM1_BKIN functions."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O (FTf) with JTDI, I2C1_SCL, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_RX and TIM2_CH1_ETR functions."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with SPI3_SCK, I2S3_CK, USART3_TX, UART4_TX and TIM8_CH1N functions."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with SPI3_MISO, I2S3ext_SD, USART3_RX, UART4_RX and TIM8_CH2N functions."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with SPI3_MOSI, I2S3_SD, USART3_CK, UART5_TX and TIM8_CH3N functions."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with UART5_RX, TIM3_ETR and TIM8_BKIN functions."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with JTDO-TRACESWO, SPI3_SCK, I2S3_CK, SPI1_SCK, USART2_TX and TIM2_CH2 functions."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with NJTRST, SPI3_MISO, I2S3ext_SD, SPI1_MISO, USART2_RX and TIM3_CH1 functions."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with SPI3_MOSI, SPI1_MOSI, I2S3_SD, I2C1_SMBA, USART2_CK and TIM3_CH2 functions."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O (FTf) with I2C1_SCL, USART1_TX, TIM16_CH1N, TIM4_CH1 and TIM8_CH1 functions."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O (FTf) with I2C1_SDA, USART1_RX, TIM3_CH4, TIM4_CH2 and TIM17_CH1N functions."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated BOOT0 pin used for boot memory selection."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O (FTf) with I2C1_SCL, CAN_RX, TIM16_CH1, TIM4_CH3 and COMP1_OUT functions."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant FM+ capable I/O (FTf) with I2C1_SDA, CAN_TX, TIM17_CH1, TIM4_CH4 and IR_OUT functions."
      },
      {
        "number": "63",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "64",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital power supply (2.0 to 3.6 V)."
      }
    ],
    "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: MPN STM32F303RBT6 decodes to 64 pins (R), LQFP package (T); the LQFP64 column of Table 13 was used, ; PC13, PC14 and PC15 are supplied through the power switch (3 mA sink limit); output use is restricte; On the 64-pin package VREF+ is internally connected to VDDA, so pin 13 is a combined VDDA/VREF+ pin "
        ],
        "pages_sent": 62,
        "cost_usd": 0.3062,
        "at": "2026-10-08T02:59:51"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894265917517824",
        "pages": 149,
        "sha256": "46c415ce4e7e8ebd",
        "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": "stm32f303rbt6tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32f303rbt6tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "832efbdc149ed2920abe1d65ddab94c8f4994182188c2ad94b2e4d61908c9a7c",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}