STM32F373RCT6

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32f373rct6",
  "title": "STM32F373RCT6",
  "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",
    "stm32f373rct6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32F373RCT6",
    "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/8586176370364203008",
    "parts": {
      "symbol": "stm32f373rct6.kicad_sym",
      "footprint": "stm32f373rct6.kicad_mod",
      "model_3d": "stm32f373rct6-hero.glb",
      "model_3d_plain": "stm32f373rct6.glb",
      "model_3d_step": "stm32f373rct6-etched.step",
      "model_3d_step_plain": "stm32f373rct6.step",
      "lbr": "stm32f373rct6.lbr"
    },
    "distributor_links": {
      "lcsc": "C84174",
      "digikey": "497-13252-ND",
      "mouser": "511-STM32F373RCT6"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T23:17:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-13252-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F373RCT6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup power supply for the RTC and backup registers (VBAT supply)."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (TC) supplied through the power switch, which sinks only 3 mA, so output speed must not exceed 2 MHz at 30 pF max load and the pin must not source current such as driving an LED; also WKUP2, ALARM_OUT, CALIB_OUT, TIMESTAMP, RTC_TAMPER1."
      },
      {
        "number": "3",
        "name": "PC14",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (TC) supplied through the power switch with the same 3 mA limit and output restrictions as PC13; default function OSC32_IN (32 kHz oscillator input)."
      },
      {
        "number": "4",
        "name": "PC15",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (TC) supplied through the power switch with the same 3 mA limit and output restrictions as PC13; default function OSC32_OUT (32 kHz oscillator output)."
      },
      {
        "number": "5",
        "name": "PF0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf); default function OSC_IN (4 to 32 MHz crystal input), alternate function I2C2_SDA."
      },
      {
        "number": "6",
        "name": "PF1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf); default function OSC_OUT (4 to 32 MHz crystal output), alternate function I2C2_SCL."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional active-low device reset input / internal reset output with embedded weak pull-up resistor."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa); alternate TIM5_CH1_ETR, additional function ADC_IN10."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa); alternate TIM5_CH2, additional function ADC_IN11."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa); alternate SPI2_MISO/I2S2_MCK and TIM5_CH3, additional function ADC_IN12."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa); alternate SPI2_MOSI/I2S2_SD and TIM5_CH4, additional function ADC_IN13."
      },
      {
        "number": "12",
        "name": "VSSA/VREF-",
        "type": "power_in",
        "description": "Analog ground and negative reference voltage for the ADC, COMP and DAC."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply for the ADC, COMP and DAC; the 12-bit ADC analog supply is specified as 2.4 to 3.6 V."
      },
      {
        "number": "14",
        "name": "PA0",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa); alternate USART2_CTS, TIM2_CH1_ETR, TIM5_CH1_ETR, TIM19_CH1, TSC_G1_IO1, COMP1_OUT; additional RTC_TAMPER2, WKUP1, ADC_IN0, COMP1_INM."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa); alternate SPI3_SCK/I2S3_CK, USART2_RTS, TIM2_CH2, TIM15_CH1N, TSC_G1_IO2, RTC_REFIN; additional ADC_IN1, COMP1_INP."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa); alternate COMP2_OUT, SPI3_MISO/I2S3_MCK, USART2_TX, TIM2_CH3, TIM15_CH1, TSC_G1_IO3; additional ADC_IN2, COMP2_INM."
      },
      {
        "number": "17",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive reference voltage for the ADC, COMP and DAC."
      },
      {
        "number": "18",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa); alternate SPI3_MOSI/I2S3_SD, USART2_RX, TIM2_CH4, TIM15_CH2, TSC_G1_IO4; additional ADC_IN3, COMP2_INP."
      },
      {
        "number": "19",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital power supply; the device operating voltage range is 2.0 to 3.6 V."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa); alternate SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART2_CK, TIM3_CH2, TIM12_CH1, TSC_G2_IO1; additional ADC_IN4, DAC1_OUT1."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa); alternate SPI1_SCK/I2S1_CK, CEC, TIM2_CH1_ETR, TIM14_CH1, TIM12_CH2, TSC_G2_IO2; additional ADC_IN5, DAC1_OUT2."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa); alternate SPI1_MISO/I2S1_MCK, COMP1_OUT, TIM3_CH1, TIM13_CH1, TIM16_CH1, TSC_G2_IO3; additional ADC_IN6, DAC2_OUT1."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa), with reduced touch sensing sensitivity; alternate TSC_G2_IO4, TIM14_CH1, SPI1_MOSI/I2S1_SD, TIM17_CH1, TIM3_CH2, COMP2_OUT; additional ADC_IN7."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa); alternate TIM13_CH1, TSC_G3_IO1, USART1_TX; additional ADC_IN14."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa); alternate TSC_G3_IO2, USART1_RX; additional ADC_IN15."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa); alternate SPI1_MOSI/I2S1_SD, TIM3_CH3, TSC_G3_IO3, TIM3_CH2; additional ADC_IN8, SDADC1_AIN6P."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to ADC (TTa); alternate TIM3_CH4, TSC_G3_IO4; additional ADC_IN9, SDADC1_AIN5P, SDADC1_AIN6M."
      },
      {
        "number": "28",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (TC) powered by VDDSD12; additional functions SDADC1_AIN4P and SDADC2_AIN6P."
      },
      {
        "number": "29",
        "name": "PE8",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (TC) powered by VDDSD12; additional functions SDADC1_AIN8P and SDADC2_AIN8P."
      },
      {
        "number": "30",
        "name": "PE9",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (TC) powered by VDDSD12; additional functions SDADC1_AIN7P, SDADC1_AIN8M, SDADC2_AIN7P and SDADC2_AIN8M."
      },
      {
        "number": "31",
        "name": "VSSSD/VREFSD-",
        "type": "power_in",
        "description": "Ground for SDADC1, SDADC2 and SDADC3, and external reference voltage input (negative) also used as negative SDADC analog input in single-ended mode."
      },
      {
        "number": "32",
        "name": "VDDSD",
        "type": "power_in",
        "description": "Power supply for SDADC1, SDADC2 and SDADC3."
      },
      {
        "number": "33",
        "name": "VREFSD+",
        "type": "power_in",
        "description": "External reference voltage (positive input) for SDADC1, SDADC2 and SDADC3."
      },
      {
        "number": "34",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (TC) powered by VDDSD3; alternate SPI2_MISO/I2S2_MCK, USART3_RTS, TIM15_CH1, TIM12_CH1, TSC_G6_IO1; additional SDADC3_AIN8P."
      },
      {
        "number": "35",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (TC) powered by VDDSD3; alternate SPI2_MOSI/I2S2_SD, TIM15_CH1N, TIM15_CH2, TIM12_CH2, TSC_G6_IO2, RTC_REFIN; additional SDADC3_AIN7P and SDADC3_AIN8M."
      },
      {
        "number": "36",
        "name": "PD8",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (TC) powered by VDDSD3; alternate SPI2_SCK/I2S2_CK, USART3_TX, TSC_G6_IO3; additional SDADC3_AIN6P."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate TIM3_CH1 and SPI1_NSS/I2S1_WS."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate TIM3_CH2 and SPI1_SCK/I2S1_CK."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate SPI1_MISO/I2S1_MCK and TIM3_CH3."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate SPI1_MOSI/I2S1_SD and TIM3_CH4."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate MCO, SPI2_SCK/I2S2_CK, I2C2_SMBA, USART1_CK, TIM4_ETR, TIM5_CH1_ETR."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf); alternate I2C2_SCL, USART1_TX, SPI2_MISO/I2S2_MCK, TIM2_CH3, TIM15_BKIN, TIM13_CH1, TSC_G4_IO1."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf); alternate I2C2_SDA, USART1_RX, SPI2_MOSI/I2S2_SD, TIM2_CH4, TIM17_BKIN, TIM14_CH1, TSC_G4_IO2."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate CAN_RX, USB_DM, USART1_CTS, SPI2_NSS/I2S2_WS, SPI1_NSS/I2S1_WS, TIM4_CH1, TIM5_CH2, COMP1_OUT."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate CAN_TX, USB_DP, USART1_RTS, SPI1_SCK/I2S1_CK, TIM16_CH1, TIM4_CH2, TIM5_CH3, COMP2_OUT."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); default debug function SWDIO-JTMS, alternate IR_OUT, USART3_CTS, SPI1_MISO/I2S1_MCK, TIM16_CH1N, TIM4_CH3, TIM5_CH4, TSC_G4_IO3."
      },
      {
        "number": "47",
        "name": "PF6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf); alternate I2C2_SCL, SPI1_MOSI/I2S1_SD, USART3_RTS, TIM4_CH4."
      },
      {
        "number": "48",
        "name": "PF7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf); alternate I2C2_SDA and USART2_CK."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf); default debug function SWCLK-JTCK, alternate I2C1_SDA, TIM12_CH1, TSC_G4_IO4."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf); default debug function JTDI, alternate I2C1_SCL, SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, TIM2_CH1_ETR, TIM12_CH2, TSC_SYNC."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate SPI3_SCK/I2S3_CK, USART3_TX, TIM19_CH1."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate SPI3_MISO/I2S3_MCK, USART3_RX, TIM19_CH2."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate SPI3_MOSI/I2S3_SD, USART3_CK, TIM19_CH3."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate TIM3_ETR."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); default debug function JTDO-TRACESWO, alternate SPI1_SCK/I2S1_CK, SPI3_SCK/I2S3_CK, USART2_TX, TIM2_CH2, TIM3_ETR, TIM4_ETR, TIM13_CH1, TSC_G5_IO1."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); default function NJTRST, alternate SPI1_MISO/I2S1_MCK, SPI3_MISO/I2S3_MCK, USART2_RX, TIM16_CH1, TIM3_CH1, TIM17_BKIN, TIM15_CH1N, TSC_G5_IO2."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate I2C1_SMBA, SPI1_MOSI/I2S1_SD, SPI3_MOSI/I2S3_SD, USART2_CK, TIM16_BKIN, TIM3_CH2, TIM17_CH1, TIM19_ETR."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf); alternate I2C1_SCL, USART1_TX, TIM16_CH1N, TIM3_CH3, TIM4_CH1, TIM19_CH1, TIM15_CH1, TSC_G5_IO3."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf); alternate I2C1_SDA, USART1_RX, TIM17_CH1N, TIM3_CH4, TIM4_CH2, TIM19_CH2, TIM15_CH2, TSC_G5_IO4."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated BOOT0 input pin used for boot memory selection."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf); alternate I2C1_SCL, SPI2_SCK/I2S2_CK, CEC, USART3_TX, CAN_RX, TIM16_CH1, TIM4_CH3, TIM19_CH3, COMP1_OUT, TSC_SYNC."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf); alternate I2C1_SDA, SPI2_NSS/I2S2_WS, IR_OUT, USART3_RX, CAN_TX, TIM17_CH1, TIM4_CH4, TIM19_CH4, COMP2_OUT."
      },
      {
        "number": "63",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "64",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital power supply; the device operating voltage range is 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: Package confirmed as LQFP64 (10 x 10 mm): the ordering scheme in Table 82 gives R = 64 pins and T = ; Pin 17 is VREF+ and pin 1 is VBAT in the LQFP64 column; the source table rows for these are out of s; Pins 31 and 32 have combined names in the datasheet (VSSSD/VREFSD- and VDDSD) and are shared with th"
        ],
        "pages_sent": 57,
        "cost_usd": 0.2879,
        "at": "2026-10-07T23:16:56"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586176370364203008",
        "pages": 137,
        "sha256": "fd00ebf096b21764",
        "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": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32f373rct6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "69a9d6807fb44d75b4715d7074194b05b7a2c1d959627224e4cb79cbe1b64105",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "stm32f373rct6"
  ],
  "discovery_pitch": "STM32F373RCT6 (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "public": true
  }
}