STM32F373VBT7

{
  "slug": "stm32f373vbt7",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32f373vbt7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32f373vbt7.kicad_sym",
    "stm32f373vbt7.kicad_mod",
    "stm32f373vbt7.glb",
    "stm32f373vbt7.step",
    "stm32f373vbt7.lbr",
    "docs/hero.png",
    "docs/stm32f373vbt7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32f373vbt7-hero.glb",
    "stm32f373vbt7-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32F373VBT7",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893260206493696",
    "parts": {
      "symbol": "stm32f373vbt7.kicad_sym",
      "footprint": "stm32f373vbt7.kicad_mod",
      "model_3d": "stm32f373vbt7-hero.glb",
      "model_3d_plain": "stm32f373vbt7.glb",
      "model_3d_step": "stm32f373vbt7-etched.step",
      "model_3d_step_plain": "stm32f373vbt7.step",
      "lbr": "stm32f373vbt7.lbr"
    },
    "distributor_links": {
      "lcsc": "C1342017",
      "digikey": "497-STM32F373VBT7-ND",
      "mouser": "511-STM32F373VBT7"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T20:42:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32F373VBT7-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F373VBT7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions TSC_G7_IO1 and TRACECLK."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions TSC_G7_IO2 and TRACED0."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions TSC_G7_IO3 and TRACED1."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions TSC_G7_IO4 and TRACED2."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate function TRACED3, additional functions WKUP3 and RTC_TAMPER3."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup power supply for the RTC and backup registers."
      },
      {
        "number": "7",
        "name": "PC13",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O supplied through the power switch, which sinks only 3 mA, so output use is limited to 2 MHz with 30 pF maximum load and it must not drive current sources such as LEDs."
      },
      {
        "number": "8",
        "name": "PC14 (OSC32_IN)",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O supplied through the power switch (3 mA limit), with OSC32_IN low-speed oscillator function; output use is limited to 2 MHz with 30 pF and must not source current."
      },
      {
        "number": "9",
        "name": "PC15 (OSC32_OUT)",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O supplied through the power switch (3 mA limit), with OSC32_OUT low-speed oscillator function; output use is limited to 2 MHz with 30 pF and must not source current."
      },
      {
        "number": "10",
        "name": "PF9",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions TIM14_CH1."
      },
      {
        "number": "11",
        "name": "PF10",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O with no alternate function listed for this pin."
      },
      {
        "number": "12",
        "name": "PF0 (OSC_IN)",
        "type": "bidirectional",
        "description": "5 V tolerant FTf I/O (FM+ capable); alternate function I2C2_SDA, additional function OSC_IN."
      },
      {
        "number": "13",
        "name": "PF1 (OSC_OUT)",
        "type": "bidirectional",
        "description": "5 V tolerant FTf I/O (FM+ capable); alternate function I2C2_SCL, additional function OSC_OUT."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Device reset input / internal reset output, active low, with embedded weak pull-up."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate function TIM5_CH1_ETR, additional function ADC_IN10."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate function TIM5_CH2, additional function ADCIN11 (as printed in source)."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate functions SPI2_MISO/I2S2_MCK and TIM5_CH3, additional function ADC_IN12."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate functions SPI2_MOSI/I2S2_SD and TIM5_CH4, additional function ADC_IN13."
      },
      {
        "number": "19",
        "name": "PF2",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate function I2C2_SMBA."
      },
      {
        "number": "20",
        "name": "VSSA/VREF-",
        "type": "power_in",
        "description": "Analog ground (VSSA/VREF-) for the ADC, COMP and DAC."
      },
      {
        "number": "21",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply."
      },
      {
        "number": "22",
        "name": "VREF+",
        "type": "power_in",
        "description": "Reference voltage for ADC, COMP and DAC."
      },
      {
        "number": "23",
        "name": "PA0",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate functions include USART2_CTS, TIM2_CH1_ETR, TIM5_CH1_ETR, TIM19_CH1, TSC_G1_IO1 and COMP1_OUT; additional functions RTC_TAMPER2, WKUP1, ADC_IN0 and COMP1_INM."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate functions include SPI3_SCK/I2S3_CK, USART2_RTS, TIM2_CH2, TIM15_CH1N, TIM5_CH2, TIM19_CH2 and TSC_G1_IO2; additional functions RTC_REFIN, ADC_IN1 and COMP1_INP."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate functions include COMP2_OUT, SPI3_MISO/I2S3_MCK, USART2_TX, TIM2_CH3, TIM15_CH1 and TSC_G1_IO3; additional functions ADC_IN2 and COMP2_INM."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate functions include SPI3_MOSI/I2S3_SD, USART2_RX, TIM2_CH4, TIM15_CH2 and TSC_G1_IO4; additional functions ADC_IN3 and COMP2_INP."
      },
      {
        "number": "27",
        "name": "PF4",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O with no alternate function listed for this pin."
      },
      {
        "number": "28",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital power supply."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate functions include SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART2_CK, TIM3_CH2, TIM12_CH1 and TSC_G2_IO1; additional functions ADC_IN4 and DAC1_OUT1."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate functions include SPI1_SCK/I2S1_CK, CEC, TIM2_CH1_ETR, TIM14_CH1, TIM12_CH2 and TSC_G2_IO2; additional functions ADC_IN5 and DAC1_OUT2."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate functions include SPI1_MISO/I2S1_MCK, COMP1_OUT, TIM3_CH1, TIM13_CH1, TIM16_CH1 and TSC_G2_IO3; additional functions ADC_IN6 and DAC2_OUT1."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate functions include TSC_G2_IO4, TIM14_CH1, SPI1_MOSI/I2S1_SD, TIM17_CH1, TIM3_CH2 and COMP2_OUT; additional function ADC_IN7."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate functions include TIM13_CH1, TSC_G3_IO1 and USART1_TX; additional function ADC_IN14."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate functions include TSC_G3_IO2 and USART1_RX; additional function ADC_IN15."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate functions include SPI1_MOSI/I2S1_SD, TIM3_CH3, TSC_G3_IO3 and TIM3_CH2; additional functions ADC_IN8 and SDADC1_AIN6P."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "3.3 V tolerant TTa I/O connected directly to the ADC; alternate functions include TIM3_CH4 and TSC_G3_IO4; additional functions ADC_IN9, SDADC1_AIN5P and SDADC1_AIN6M."
      },
      {
        "number": "37",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD12 with additional functions SDADC1_AIN4P and SDADC2_AIN6P."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD12; additional functions SDADC1_AIN3P, SDADC1_AIN4M, SDADC2_AIN5P and SDADC2_AIN6M."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD12; additional functions SDADC1_AIN8P and SDADC2_AIN8P."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD12; additional functions SDADC1_AIN7P, SDADC1_AIN8M, SDADC2_AIN7P and SDADC2_AIN8M."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD12; additional function SDADC1_AIN2P."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD12; additional functions SDADC1_AIN1P, SDADC1_AIN2M and SDADC2_AIN4P."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD12; additional functions SDADC1_AIN0P, SDADC2_AIN3P and SDADC2_AIN4M."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD12; additional functions SDADC1_AIN0M and SDADC2_AIN2P."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD12; additional functions SDADC2_AIN1P and SDADC2_AIN2M."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD12; alternate function USART3_RX and additional function SDADC2_AIN0P."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD12; alternate functions include SPI2_SCK/I2S2_CK, USART3_TX, CEC, TSC_SYNC and TIM2_CH3; additional function SDADC2_AIN0M."
      },
      {
        "number": "48",
        "name": "VREFSD-",
        "type": "power_in",
        "description": "External reference voltage for SDADC1, SDADC2 and SDADC3 (negative input), also the negative SDADC analog input in single-ended mode."
      },
      {
        "number": "49",
        "name": "VSSSD",
        "type": "power_in",
        "description": "Ground for SDADC1, SDADC2 and SDADC3."
      },
      {
        "number": "50",
        "name": "VDDSD12",
        "type": "power_in",
        "description": "Power supply for SDADC1 and SDADC2."
      },
      {
        "number": "51",
        "name": "VDDSD3",
        "type": "power_in",
        "description": "Power supply for SDADC3."
      },
      {
        "number": "52",
        "name": "VREFSD+",
        "type": "power_in",
        "description": "External reference voltage for SDADC1, SDADC2 and SDADC3 (positive input)."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD3; alternate functions include SPI2_MISO/I2S2_MCK, USART3_RTS, TIM15_CH1, TIM12_CH1 and TSC_G6_IO1; additional function SDADC3_AIN8P."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD3; alternate functions include SPI2_MOSI/I2S2_SD, TIM15_CH1N, TIM15_CH2, TIM12_CH2, TSC_G6_IO2 and RTC_REFIN; additional functions SDADC3_AIN7P and SDADC3_AIN8M."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD3; alternate functions include SPI2_SCK/I2S2_CK, USART3_TX and TSC_G6_IO3; additional function SDADC3_AIN6P."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD3; alternate functions include USART3_RX and TSC_G6_IO4; additional functions SDADC3_AIN5P and SDADC3_AIN6M."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD3; alternate function USART3_CK; additional function SDADC3_AIN4P."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD3; alternate function USART3_CTS; additional functions SDADC3_AIN3P and SDADC3_AIN4M."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD3; alternate functions USART3_RTS, TIM4_CH1 and TSC_G8_IO1; additional function SDADC3_AIN2P."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD3; alternate functions TIM4_CH2 and TSC_G8_IO2; additional functions SDADC3_AIN1P and SDADC3_AIN2M."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD3; alternate functions TIM4_CH3 and TSC_G8_IO3; additional function SDADC3_AIN0P."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "Standard 3.3 V TC I/O powered from VDDSD3; alternate functions TIM4_CH4 and TSC_G8_IO4; additional function SDADC3_AIN0M."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions TIM3_CH1 and SPI1_NSS/I2S1_WS."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions TIM3_CH2 and SPI1_SCK/I2S1_CK."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions SPI1_MISO/I2S1_MCK and TIM3_CH3."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions SPI1_MOSI/I2S1_SD and TIM3_CH4."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include MCO, SPI2_SCK/I2S2_CK, I2C2_SMBA, USART1_CK, TIM4_ETR and TIM5_CH1_ETR."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant FTf I/O (FM+ capable); alternate functions include SPI2_MISO/I2S2_MCK, I2C2_SCL, USART1_TX, TIM2_CH3, TIM15_BKIN, TIM13_CH1 and TSC_G4_IO1."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant FTf I/O (FM+ capable); alternate functions include SPI2_MOSI/I2S2_SD, I2C2_SDA, USART1_RX, TIM2_CH4, TIM17_BKIN, TIM14_CH1 and TSC_G4_IO2."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include SPI2_NSS/I2S2_WS, SPI1_NSS/I2S1_WS, USART1_CTS, CAN_RX, TIM4_CH1, USB_DM, TIM5_CH2 and COMP1_OUT."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include SPI1_SCK/I2S1_CK, USART1_RTS, CAN_TX, USB_DP, TIM16_CH1, TIM4_CH2, TIM5_CH3 and COMP2_OUT."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include SWDIO-JTMS, SPI1_MISO/I2S1_MCK, USART3_CTS, IR_OUT, TIM16_CH1N, TIM4_CH3, TIM5_CH4 and TSC_G4_IO3."
      },
      {
        "number": "73",
        "name": "PF6",
        "type": "bidirectional",
        "description": "5 V tolerant FTf I/O (FM+ capable); alternate functions include SPI1_MOSI/I2S1_SD, USART3_RTS, TIM4_CH4 and I2C2_SCL."
      },
      {
        "number": "74",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "75",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital power supply."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant FTf I/O (FM+ capable); alternate functions include I2C1_SDA, TIM12_CH1, TSC_G4_IO4 and SWCLK-JTCK."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant FTf I/O (FM+ capable); alternate functions include SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, I2C1_SCL, TIM2_CH1_ETR, TIM12_CH2, TSC_SYNC and JTDI."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include SPI3_SCK/I2S3_CK, USART3_TX and TIM19_CH1."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include SPI3_MISO/I2S3_MCK, USART3_RX and TIM19_CH2."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include SPI3_MOSI/I2S3_SD, USART3_CK and TIM19_CH3."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include CAN_RX and TIM19_CH4."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include CAN_TX and TIM19_ETR."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate function TIM3_ETR."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include SPI2_MISO/I2S2_MCK and USART2_CTS."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include SPI2_MOSI/I2S2_SD and USART2_RTS."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate function USART2_TX."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include SPI2_NSS/I2S2_WS and USART2_RX."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include SPI2_SCK/I2S2_CK and USART2_CK."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include JTDO-TRACESWO, SPI1_SCK/I2S1_CK, SPI3_SCK/I2S3_CK, USART2_TX, TIM2_CH2, TIM3_ETR, TIM4_ETR, TIM13_CH1 and TSC_G5_IO1."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include NJTRST, SPI1_MISO/I2S1_MCK, SPI3_MISO/I2S3_MCK, USART2_RX, TIM16_CH1, TIM3_CH1, TIM17_BKIN, TIM15_CH1N and TSC_G5_IO2."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include SPI1_MOSI/I2S1_SD, SPI3_MOSI/I2S3_SD, I2C1_SMBAl (as printed), USART2_CK, TIM16_BKIN, TIM3_CH2, TIM17_CH1 and TIM19_ETR."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant FTf I/O (FM+ capable); alternate functions include I2C1_SCL, USART1_TX, TIM16_CH1N, TIM3_CH3, TIM4_CH1, TIM19_CH1, TIM15_CH1 and TSC_G5_IO3."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant FTf I/O (FM+ capable); alternate functions include I2C1_SDA, USART1_RX, TIM17_CH1N, TIM3_CH4, TIM4_CH2, TIM19_CH2, TIM15_CH2 and TSC_G5_IO4."
      },
      {
        "number": "94",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated boot memory selection pin (BOOT0)."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant FTf I/O (FM+ capable); alternate functions include SPI2_SCK/I2S2_CK, I2C1_SCL, USART3_TX, CAN_RX, CEC, TIM16_CH1, TIM4_CH3, TIM19_CH3, COMP1_OUT and TSC_SYNC."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant FTf I/O (FM+ capable); alternate functions include SPI2_NSS/I2S2_WS, I2C1_SDA, USART3_RX, CAN_TX, IR_OUT, TIM17_CH1, TIM4_CH4, TIM19_CH4 and COMP2_OUT."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate functions include USART1_TX and TIM4_ETR."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5 V tolerant FT I/O; alternate function USART1_RX."
      },
      {
        "number": "99",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "100",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital power supply."
      }
    ],
    "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: Table 11 gives pin types and I/O structures but no electrical limits per pin; pin descriptions are b; Pin type for NRST (source: RST, bidirectional reset with weak pull-up) mapped to bidirectional; BOOT; Source typos kept as printed: pin 16 'ADCIN11' (likely ADC_IN11) and pin 91 'I2C1_SMBAl' (likely I2C"
        ],
        "pages_sent": 57,
        "cost_usd": 0.3146,
        "at": "2026-10-08T20:41:47"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893260206493696",
        "pages": 137,
        "sha256": "fd00ebf096b21764",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 100,
        "described": 100,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stm32f373vbt7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "51720097260ffba41c3062f85f67623721102fa535901c47cb555a1f444feeb3",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32f373vbt7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b8e1d4315e9eeee911727cbf096f5a5020d4c2e0662723c0763608f679b5fe24",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}