STM32F303RCT6

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32f303rct6",
  "title": "STM32F303RCT6",
  "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",
    "stm32f303rct6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32F303RCT6",
    "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/8586175795224596480",
    "parts": {
      "symbol": "stm32f303rct6.kicad_sym",
      "footprint": "stm32f303rct6.kicad_mod",
      "model_3d": "stm32f303rct6-etched.glb",
      "model_3d_plain": "stm32f303rct6.glb",
      "model_3d_step": "stm32f303rct6-etched.step",
      "model_3d_step_plain": "stm32f303rct6.step",
      "lbr": "stm32f303rct6.lbr"
    },
    "distributor_links": {
      "lcsc": "C65361",
      "digikey": "497-13304-ND",
      "mouser": "511-STM32F303RCT6"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T03:11:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-13304-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F303RCT6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup power supply for RTC and backup registers, 2.0-3.6 V"
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "General purpose I/O port C pin 13, configurable as TIM1_CH1N with RTC wakeup and tamper functions"
      },
      {
        "number": "3",
        "name": "PC14",
        "type": "bidirectional",
        "description": "32 kHz oscillator input pin (OSC32_IN)"
      },
      {
        "number": "4",
        "name": "PC15",
        "type": "bidirectional",
        "description": "32 kHz oscillator output pin (OSC32_OUT)"
      },
      {
        "number": "5",
        "name": "PF0",
        "type": "bidirectional",
        "description": "General purpose I/O port F pin 0 with 5V tolerant FM+ I2C or main oscillator input capability"
      },
      {
        "number": "6",
        "name": "PF1",
        "type": "bidirectional",
        "description": "General purpose I/O port F pin 1 with 5V tolerant FM+ I2C or main oscillator output capability"
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Device reset input and internal reset output (active low) with embedded weak pull-up resistor"
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "General purpose I/O port C pin 0, ADC12_IN6 analog input and COMP7_INM comparator function"
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "General purpose I/O port C pin 1, ADC12_IN7 analog input and COMP7_INP comparator function"
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "General purpose I/O port C pin 2, ADC12_IN8 analog input and COMP7_OUT comparator output"
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "General purpose I/O port C pin 3, ADC12_IN9 analog input and TIM1_BKIN2 timer function"
      },
      {
        "number": "12",
        "name": "VSSA/VREF-",
        "type": "power_in",
        "description": "Analog ground and negative reference voltage for ADC, 0 V minimum"
      },
      {
        "number": "13",
        "name": "VDDA/VREF+",
        "type": "power_in",
        "description": "Analog power supply and positive reference voltage for ADC, 2.0-3.6 V"
      },
      {
        "number": "14",
        "name": "PA0",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 0, ADC1_IN1 analog input with USART2_CTS and timer functions"
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 1, ADC1_IN2 analog input with USART2_RTS and timer functions"
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 2, ADC1_IN3 analog input with USART2_TX and OPAMP1_VOUT functions"
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 3, ADC1_IN4 analog input with USART2_RX and timer functions"
      },
      {
        "number": "18",
        "name": "PF4",
        "type": "bidirectional",
        "description": "General purpose I/O port F pin 4, ADC1_IN5 analog input with comparator output function"
      },
      {
        "number": "19",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital power supply, 2.0-3.6 V"
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 4, ADC2_IN1 analog input with SPI1_NSS and DAC1_OUT1 functions"
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 5, ADC2_IN2 analog input with SPI1_SCK and DAC1_OUT2 functions"
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 6, ADC2_IN3 analog input with SPI1_MISO and OPAMP2_VOUT functions"
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 7, ADC2_IN4 analog input with SPI1_MOSI and timer functions"
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "General purpose I/O port C pin 4, ADC2_IN5 analog input with USART1_TX function"
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "General purpose I/O port C pin 5, ADC2_IN11 analog input with USART1_RX and OPAMP functions"
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 0, ADC3_IN12 analog input with timer and comparator functions"
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 1, ADC3_IN1 analog input with timer and OPAMP3_VOUT functions"
      },
      {
        "number": "28",
        "name": "PB2",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 2, ADC2_IN12 analog input with touch sensing and OPAMP functions"
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 10 with USART3_TX and touch sensing synchronization function"
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 11 with USART3_RX and touch sensing group IO function"
      },
      {
        "number": "31",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground reference, 0 V"
      },
      {
        "number": "32",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital power supply, 2.0-3.6 V"
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 12, ADC4_IN3 analog input with SPI2_NSS and I2C2_SMBA functions"
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 13, ADC3_IN5 analog input with SPI2_SCK and timer functions"
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 14, ADC4_IN4 analog input with SPI2_MISO and timer functions"
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 15, ADC4_IN5 analog input with SPI2_MOSI and timer functions"
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "General purpose I/O port C pin 6 with I2S2_MCK and timer functions"
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "General purpose I/O port C pin 7 with I2S3_MCK and timer functions"
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "General purpose I/O port C pin 8 with timer and comparator output functions"
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "General purpose I/O port C pin 9 with timer and I2S clock input functions"
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 8 with I2C2_SMBA, I2S2_MCK and timer functions"
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 9 with I2C2_SCL, I2S3_MCK, USART1_TX and timer functions"
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 10 with I2C2_SDA, USART1_RX and timer functions"
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 11 with USB_DM, CAN_RX and timer functions"
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 12 with USB_DP, CAN_TX and timer functions"
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 13 with SWDIO-JTMS debug and IR_OUT infrared transmitter function"
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground reference, 0 V"
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital power supply, 2.0-3.6 V"
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 14 with SWCLK-JTCK debug and timer functions"
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "General purpose I/O port A pin 15 with JTDI debug, SPI and timer functions"
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "General purpose I/O port C pin 10 with SPI3_SCK, I2S3_CK and USART3_TX functions"
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "General purpose I/O port C pin 11 with SPI3_MISO, I2S3_SD and USART3_RX functions"
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "General purpose I/O port C pin 12 with SPI3_MOSI, I2S3_SD and USART3_CK functions"
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "General purpose I/O port D pin 2 with UART5_RX and timer functions"
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 3 with SPI1_SCK, SPI3_SCK, JTDO-TRACESWO and timer functions"
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 4 with SPI1_MISO, SPI3_MISO and timer functions"
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 5 with SPI1_MOSI, SPI3_MOSI, I2C1_SMBA and timer functions"
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 6 with I2C1_SCL, USART1_TX and timer functions"
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 7 with I2C1_SDA, USART1_RX and timer functions"
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot memory selection pin for selecting execution from Flash memory or system memory"
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 8 with I2C1_SCL, CAN_RX and timer functions"
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "General purpose I/O port B pin 9 with I2C1_SDA, CAN_TX, IR_OUT and timer functions"
      },
      {
        "number": "63",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground reference, 0 V"
      },
      {
        "number": "64",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital power supply, 2.0-3.6 V"
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: PC13, PC14, PC15 have special power switch characteristics (3 mA limit) and function depends on back; VREF+ functionality differs between packages; in LQFP64 it is internally connected to VDDA per datas; Several GPIO pins have reduced touch sensing sensitivity when used as sampling capacitor I/O per dat"
        ],
        "pages_sent": 62,
        "cost_usd": 0.4435,
        "at": "2026-10-01T03:11:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586175795224596480",
        "pages": 148,
        "sha256": "e7a65f330e8fc061",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm32f303rct6"
  ],
  "discovery_pitch": "STM32F303RCT6 (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "stm32f303rct6.kicad_sym",
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    "stm32f303rct6.step",
    "stm32f303rct6.lbr",
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    "docs/stm32f303rct6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
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  "visibility": {
    "public": true
  }
}