STM32F373V8H6

{
  "slug": "stm32f373v8h6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFBGA-100. Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32f373v8h6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "stm32f373v8h6.kicad_mod",
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    "stm32f373v8h6.step",
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    "docs/hero.png",
    "docs/stm32f373v8h6-datasheet.pdf",
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    "stm32f373v8h6-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32F373V8H6",
    "manufacturer": "STMicroelectronics",
    "package": "UFBGA-100",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588951881091043328",
    "parts": {
      "symbol": "stm32f373v8h6.kicad_sym",
      "footprint": "stm32f373v8h6.kicad_mod",
      "model_3d": "stm32f373v8h6-hero.glb",
      "model_3d_plain": "stm32f373v8h6.glb",
      "model_3d_step": "stm32f373v8h6-etched.step",
      "model_3d_step_plain": "stm32f373v8h6.step",
      "lbr": "stm32f373v8h6.lbr"
    },
    "distributor_links": {
      "lcsc": "C1339391",
      "digikey": "497-13300-ND",
      "mouser": "511-STM32F373V8H6"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T03:19:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-13300-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F373V8H6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "B2",
        "name": "PE2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions TSC_G7_IO1 and TRACECLK."
      },
      {
        "number": "A1",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions TSC_G7_IO2 and TRACED0."
      },
      {
        "number": "B1",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions TSC_G7_IO3 and TRACED1."
      },
      {
        "number": "C2",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions TSC_G7_IO4 and TRACED2."
      },
      {
        "number": "D2",
        "name": "PE6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate function TRACED3; additional functions WKUP3 and RTC_TAMPER3."
      },
      {
        "number": "E2",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup power supply for the RTC and backup registers."
      },
      {
        "number": "C1",
        "name": "PC13",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O supplied through the power switch, which sinks only 3 mA: output speed must not exceed 2 MHz at 30 pF max load and the pin must not be used as a current source; additional functions WKUP2, ALARM_OUT, CALIB_OUT, TIMESTAMP, RTC_TAMPER1."
      },
      {
        "number": "D1",
        "name": "PC14",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O supplied through the power switch with the same 3 mA limit (max 2 MHz at 30 pF, not usable as a current source); additional function OSC32_IN."
      },
      {
        "number": "E1",
        "name": "PC15",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O supplied through the power switch with the same 3 mA limit (max 2 MHz at 30 pF, not usable as a current source); additional function OSC32_OUT."
      },
      {
        "number": "F2",
        "name": "PF9",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate function TIM14_CH1."
      },
      {
        "number": "G2",
        "name": "PF10",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; no function is listed for this pin in Table 11."
      },
      {
        "number": "F1",
        "name": "PF0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf), floating input after reset; alternate function I2C2_SDA; additional function OSC_IN."
      },
      {
        "number": "G1",
        "name": "PF1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf), floating input after reset; alternate function I2C2_SCL; additional function OSC_OUT."
      },
      {
        "number": "H2",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low bidirectional device reset input / internal reset output with embedded weak pull-up resistor."
      },
      {
        "number": "H1",
        "name": "PC0",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate function TIM5_CH1_ETR; additional function ADC_IN10."
      },
      {
        "number": "J2",
        "name": "PC1",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate function TIM5_CH2; additional function ADC_IN11."
      },
      {
        "number": "J3",
        "name": "PC2",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate functions SPI2_MISO/I2S2_MCK and TIM5_CH3; additional function ADC_IN12."
      },
      {
        "number": "K2",
        "name": "PC3",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate functions SPI2_MOSI/I2S2_SD and TIM5_CH4; additional function ADC_IN13."
      },
      {
        "number": "J1",
        "name": "PF2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate function I2C2_SMBA."
      },
      {
        "number": "K1",
        "name": "VSSA/VREF-",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "M1",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply."
      },
      {
        "number": "L1",
        "name": "VREF+",
        "type": "power_in",
        "description": "Reference voltage for ADC, COMP and DAC."
      },
      {
        "number": "L2",
        "name": "PA0",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate functions USART2_CTS, TIM2_CH1_ETR, TIM5_CH1_ETR, TIM19_CH1, TSC_G1_IO1, COMP1_OUT; additional functions RTC_TAMPER2, WKUP1, ADC_IN0, COMP1_INM."
      },
      {
        "number": "M2",
        "name": "PA1",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate functions SPI3_SCK/I2S3_CK, USART2_RTS, TIM2_CH2, TIM15_CH1N, TIM5_CH2, TIM19_CH2, TSC_G1_IO2, RTC_REFIN; additional functions ADC_IN1, COMP1_INP."
      },
      {
        "number": "K3",
        "name": "PA2",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate functions COMP2_OUT, SPI3_MISO/I2S3_MCK, USART2_TX, TIM2_CH3, TIM15_CH1, TIM5_CH3, TIM19_CH3, TSC_G1_IO3; additional functions ADC_IN2, COMP2_INM."
      },
      {
        "number": "L3",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate functions SPI3_MOSI/I2S3_SD, USART2_RX, TIM2_CH4, TIM15_CH2, TIM5_CH4, TIM19_CH4, TSC_G1_IO4; additional functions ADC_IN3, COMP2_INP."
      },
      {
        "number": "E3",
        "name": "PF4",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; no function is listed for this pin in Table 11."
      },
      {
        "number": "H3",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital power supply."
      },
      {
        "number": "M3",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate functions SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART2_CK, TIM3_CH2, TIM12_CH1, TSC_G2_IO1; additional functions ADC_IN4, DAC1_OUT1."
      },
      {
        "number": "K4",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate functions SPI1_SCK/I2S1_CK, CEC, TIM2_CH1_ETR, TIM14_CH1, TIM12_CH2, TSC_G2_IO2; additional functions ADC_IN5, DAC1_OUT2."
      },
      {
        "number": "L4",
        "name": "PA6",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate functions SPI1_MISO/I2S1_MCK, COMP1_OUT, TIM3_CH1, TIM13_CH1, TIM16_CH1, TSC_G2_IO3; additional functions ADC_IN6, DAC2_OUT1."
      },
      {
        "number": "M4",
        "name": "PA7",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate functions TSC_G2_IO4, TIM14_CH1, SPI1_MOSI/I2S1_SD, TIM17_CH1, TIM3_CH2, COMP2_OUT; additional function ADC_IN7."
      },
      {
        "number": "K5",
        "name": "PC4",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate functions TIM13_CH1, TSC_G3_IO1, USART1_TX; additional function ADC_IN14."
      },
      {
        "number": "L5",
        "name": "PC5",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate functions TSC_G3_IO2, USART1_RX; additional function ADC_IN15."
      },
      {
        "number": "M5",
        "name": "PB0",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate functions SPI1_MOSI/I2S1_SD, TIM3_CH3, TSC_G3_IO3, TIM3_CH2; additional functions ADC_IN8, SDADC1_AIN6P."
      },
      {
        "number": "M6",
        "name": "PB1",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O directly connected to the ADC, floating input after reset; alternate functions TIM3_CH4 and TSC_G3_IO4; additional functions ADC_IN9, SDADC1_AIN5P, SDADC1_AIN6M."
      },
      {
        "number": "L6",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD12, floating input after reset; additional functions SDADC1_AIN4P and SDADC2_AIN6P."
      },
      {
        "number": "M7",
        "name": "PE7",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD12, floating input after reset; additional functions SDADC1_AIN3P, SDADC1_AIN4M, SDADC2_AIN5P, SDADC2_AIN6M."
      },
      {
        "number": "L7",
        "name": "PE8",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD12, floating input after reset; additional functions SDADC1_AIN8P and SDADC2_AIN8P."
      },
      {
        "number": "M8",
        "name": "PE9",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD12, floating input after reset; additional functions SDADC1_AIN7P, SDADC1_AIN8M, SDADC2_AIN7P, SDADC2_AIN8M."
      },
      {
        "number": "L8",
        "name": "PE10",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD12, floating input after reset; additional function SDADC1_AIN2P."
      },
      {
        "number": "M9",
        "name": "PE11",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD12, floating input after reset; additional functions SDADC1_AIN1P, SDADC1_AIN2M, SDADC2_AIN4P."
      },
      {
        "number": "L9",
        "name": "PE12",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD12, floating input after reset; additional functions SDADC1_AIN0P, SDADC2_AIN3P, SDADC2_AIN4M."
      },
      {
        "number": "M10",
        "name": "PE13",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD12, floating input after reset; additional functions SDADC1_AIN0M and SDADC2_AIN2P."
      },
      {
        "number": "M11",
        "name": "PE14",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD12, floating input after reset; additional functions SDADC2_AIN1P and SDADC2_AIN2M."
      },
      {
        "number": "M12",
        "name": "PE15",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD12, floating input after reset; alternate function USART3_RX; additional function SDADC2_AIN0P."
      },
      {
        "number": "L10",
        "name": "PB10",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD12, floating input after reset; alternate functions SPI2_SCK/I2S2_CK, USART3_TX, CEC, TSC_SYNC, TIM2_CH3; additional function SDADC2_AIN0M."
      },
      {
        "number": "L11",
        "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": "F12",
        "name": "VSSSD",
        "type": "power_in",
        "description": "Ground for SDADC1, SDADC2 and SDADC3."
      },
      {
        "number": "G12",
        "name": "VDDSD12",
        "type": "power_in",
        "description": "Power supply for SDADC1 and SDADC2."
      },
      {
        "number": "L12",
        "name": "VDDSD3",
        "type": "power_in",
        "description": "Power supply for SDADC3."
      },
      {
        "number": "K12",
        "name": "VREFSD+",
        "type": "power_in",
        "description": "External reference voltage for SDADC1, SDADC2 and SDADC3 (positive input)."
      },
      {
        "number": "K11",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD3, floating input after reset; alternate functions SPI2_MISO/I2S2_MCK, USART3_RTS, TIM15_CH1, TIM12_CH1, TSC_G6_IO1; additional function SDADC3_AIN8P."
      },
      {
        "number": "K10",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD3, floating input after reset; alternate functions SPI2_MOSI/I2S2_SD, TIM15_CH1N, TIM15_CH2, TIM12_CH2, TSC_G6_IO2, RTC_REFIN; additional functions SDADC3_AIN7P and SDADC3_AIN8M."
      },
      {
        "number": "K9",
        "name": "PD8",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD3, floating input after reset; alternate functions SPI2_SCK/I2S2_CK, USART3_TX, TSC_G6_IO3; additional function SDADC3_AIN6P."
      },
      {
        "number": "K8",
        "name": "PD9",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD3, floating input after reset; alternate functions USART3_RX and TSC_G6_IO4; additional functions SDADC3_AIN5P and SDADC3_AIN6M."
      },
      {
        "number": "J12",
        "name": "PD10",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD3, floating input after reset; alternate function USART3_CK; additional function SDADC3_AIN4P."
      },
      {
        "number": "J11",
        "name": "PD11",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD3, floating input after reset; alternate function USART3_CTS; additional functions SDADC3_AIN3P and SDADC3_AIN4M."
      },
      {
        "number": "J10",
        "name": "PD12",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD3, floating input after reset; alternate functions USART3_RTS, TIM4_CH1, TSC_G8_IO1; additional function SDADC3_AIN2P."
      },
      {
        "number": "H12",
        "name": "PD13",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD3, floating input after reset; alternate functions TIM4_CH2 and TSC_G8_IO2; additional functions SDADC3_AIN1P and SDADC3_AIN2M."
      },
      {
        "number": "H11",
        "name": "PD14",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD3, floating input after reset; alternate functions TIM4_CH3 and TSC_G8_IO3; additional function SDADC3_AIN0P."
      },
      {
        "number": "H10",
        "name": "PD15",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O powered by VDDSD3, floating input after reset; alternate functions TIM4_CH4 and TSC_G8_IO4; additional function SDADC3_AIN0M."
      },
      {
        "number": "E12",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions TIM3_CH1 and SPI1_NSS/I2S1_WS."
      },
      {
        "number": "E11",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions TIM3_CH2 and SPI1_SCK/I2S1_CK."
      },
      {
        "number": "E10",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI1_MISO/I2S1_MCK and TIM3_CH3."
      },
      {
        "number": "D12",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI1_MOSI/I2S1_SD and TIM3_CH4."
      },
      {
        "number": "D11",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI2_SCK/I2S2_CK, I2C2_SMBA, USART1_CK, TIM4_ETR, TIM5_CH1_ETR, MCO."
      },
      {
        "number": "D10",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf), floating input after reset; alternate functions SPI2_MISO/I2S2_MCK, I2C2_SCL, USART1_TX, TIM2_CH3, TIM15_BKIN, TIM13_CH1, TSC_G4_IO1."
      },
      {
        "number": "C12",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf), floating input after reset; alternate functions SPI2_MOSI/I2S2_SD, I2C2_SDA, USART1_RX, TIM2_CH4, TIM17_BKIN, TIM14_CH1, TSC_G4_IO2."
      },
      {
        "number": "B12",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI2_NSS/I2S2_WS, SPI1_NSS/I2S1_WS, USART1_CTS, CAN_RX, TIM4_CH1, USB_DM, TIM5_CH2, COMP1_OUT."
      },
      {
        "number": "A12",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI1_SCK/I2S1_CK, USART1_RTS, CAN_TX, USB_DP, TIM16_CH1, TIM4_CH2, TIM5_CH3, COMP2_OUT."
      },
      {
        "number": "A11",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI1_MISO/I2S1_MCK, USART3_CTS, IR_OUT, TIM16_CH1N, TIM4_CH3, TIM5_CH4, TSC_G4_IO3, SWDIO-JTMS."
      },
      {
        "number": "C11",
        "name": "PF6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf), floating input after reset; alternate functions SPI1_MOSI/I2S1_SD, USART3_RTS, TIM4_CH4, I2C2_SCL."
      },
      {
        "number": "F11",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "G11",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital power supply."
      },
      {
        "number": "A10",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf), floating input after reset; alternate functions I2C1_SDA, TIM12_CH1, TSC_G4_IO4, SWCLK-JTCK."
      },
      {
        "number": "A9",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf), floating input after reset; alternate functions SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, I2C1_SCL, TIM2_CH1_ETR, TIM12_CH2, TSC_SYNC, JTDI."
      },
      {
        "number": "B11",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI3_SCK/I2S3_CK, USART3_TX, TIM19_CH1."
      },
      {
        "number": "C10",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI3_MISO/I2S3_MCK, USART3_RX, TIM19_CH2."
      },
      {
        "number": "B10",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI3_MOSI/I2S3_SD, USART3_CK, TIM19_CH3."
      },
      {
        "number": "C9",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions CAN_RX and TIM19_CH4."
      },
      {
        "number": "B9",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions CAN_TX and TIM19_ETR."
      },
      {
        "number": "C8",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate function TIM3_ETR."
      },
      {
        "number": "B8",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI2_MISO/I2S2_MCK and USART2_CTS."
      },
      {
        "number": "B7",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI2_MOSI/I2S2_SD and USART2_RTS."
      },
      {
        "number": "A6",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate function USART2_TX."
      },
      {
        "number": "B6",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI2_NSS/I2S2_WS and USART2_RX."
      },
      {
        "number": "A5",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI2_SCK/I2S2_CK and USART2_CK."
      },
      {
        "number": "A8",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI1_SCK/I2S1_CK, SPI3_SCK/I2S3_CK, USART2_TX, TIM2_CH2, TIM3_ETR, TIM4_ETR, TIM13_CH1, TSC_G5_IO1, JTDO-TRACESWO."
      },
      {
        "number": "A7",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI1_MISO/I2S1_MCK, SPI3_MISO/I2S3_MCK, USART2_RX, TIM16_CH1, TIM3_CH1, TIM17_BKIN, TIM15_CH1N, TSC_G5_IO2, NJTRST."
      },
      {
        "number": "C5",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions SPI1_MOSI/I2S1_SD, SPI3_MOSI/I2S3_SD, I2C1_SMBAl, USART2_CK, TIM16_BKIN, TIM3_CH2, TIM17_CH1, TIM19_ETR."
      },
      {
        "number": "B5",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf), floating input after reset; alternate functions I2C1_SCL, USART1_TX, TIM16_CH1N, TIM3_CH3, TIM4_CH1, TIM19_CH1, TIM15_CH1, TSC_G5_IO3."
      },
      {
        "number": "B4",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf), floating input after reset; alternate functions I2C1_SDA, USART1_RX, TIM17_CH1N, TIM3_CH4, TIM4_CH2, TIM19_CH2, TIM15_CH2, TSC_G5_IO4."
      },
      {
        "number": "A4",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated BOOT0 pin used for boot memory selection."
      },
      {
        "number": "A3",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf), floating input after reset; alternate functions SPI2_SCK/I2S2_CK, I2C1_SCL, USART3_TX, CAN_RX, CEC, TIM16_CH1, TIM4_CH3, TIM19_CH3, COMP1_OUT, TSC_SYNC."
      },
      {
        "number": "B3",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with FM+ capability (FTf), floating input after reset; alternate functions SPI2_NSS/I2S2_WS, I2C1_SDA, USART3_RX, CAN_TX, IR_OUT, TIM17_CH1, TIM4_CH4, TIM19_CH4, COMP2_OUT."
      },
      {
        "number": "C3",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate functions USART1_TX and TIM4_ETR."
      },
      {
        "number": "A2",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O, floating input after reset; alternate function USART1_RX."
      },
      {
        "number": "D3",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "C4",
        "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: Ball positions were taken from the UFBGA100 column of Table 11 (pages 33-40). Figure 5 (ballout) is ; PF7 appears only in the LQFP64/LQFP48 rows of Table 11 and has no UFBGA100 ball, so it is not listed; Source typos kept as printed: PB5 alternate function is printed as 'I2C1_SMBAl'; PB0 lists TIM3_CH2 "
        ],
        "pages_sent": 57,
        "cost_usd": 0.32,
        "at": "2026-10-11T03:19:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588951881091043328",
        "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": "stm32f373v8h6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.756
        ],
        "zmin_mm": -0.006,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d0ab576a9111252560d8bfc0698a8d90e5dcc32a2d319fd63095d01055508e34",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32f373v8h6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.756
        ],
        "zmin_mm": -0.006,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9ddfe833b18362ec01277c1c6b2637ddc91239fd971374743f3c6c52ccf6b6e2",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}