STM32H7A3VIT6

{
  "slug": "stm32h7a3vit6",
  "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",
    "stm32h7a3vit6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
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    "docs/stm32h7a3vit6-datasheet.pdf",
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  "component": {
    "mpn": "STM32H7A3VIT6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://www.st.com/resource/en/datasheet/stm32h7a3vit6.pdf",
    "parts": {
      "symbol": "stm32h7a3vit6.kicad_sym",
      "footprint": "stm32h7a3vit6.kicad_mod",
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      "model_3d_step": "stm32h7a3vit6-etched.step",
      "model_3d_step_plain": "stm32h7a3vit6.step",
      "lbr": "stm32h7a3vit6.lbr"
    },
    "distributor_links": {
      "lcsc": "C730222",
      "digikey": "497-STM32H7A3VIT6-ND",
      "mouser": "511-STM32H7A3VIT6"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T23:57:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32H7A3VIT6-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32H7A3VIT6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TRACECLK, SAI1_CK1, SPI4_SCK, OCTOSPIM_P1_IO2, FMC_A23."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TRACED0, TIM15_BKIN, SAI1_SD_B, USART10_TX, FMC_A19."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TRACED1, SAI1_D2, TIM15_CH1N, SPI4_NSS, FMC_A20, DCMI_D4."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TRACED2, SAI1_CK2, TIM15_CH1, SPI4_MISO, FMC_A21."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TRACED3, TIM1_BKIN2, SAI1_D1, TIM15_CH2, SPI4_MOSI, FMC_A22."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup-domain supply pin for RTC, LSE and backup registers, to be kept within the permitted range of the device."
      },
      {
        "number": "7",
        "name": "PC13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O; alternate functions include EVENTOUT, TAMP_IN1, RTC_OUT1 and WKUP2."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O; additional function is OSC32_IN (32.768 kHz LSE input)."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O; additional function is OSC32_OUT (32.768 kHz LSE output)."
      },
      {
        "number": "10",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all VSS pins must be connected to the external ground."
      },
      {
        "number": "11",
        "name": "VDD",
        "type": "power_in",
        "description": "Standard operating voltage pin, 1.62 V to 3.6 V."
      },
      {
        "number": "12",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O; additional function is OSC_IN (4-50 MHz HSE input)."
      },
      {
        "number": "13",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O; additional function is OSC_OUT (4-50 MHz HSE output)."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up resistor."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O; alternate functions include DFSDM1_CKIN0, SAI2_FS_B, FMC_A25, and additional function ADC12_INP10."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Analog-capable I/O (3.3 V class); alternate functions include TRACED0, SAI1_D1, SPI2_MOSI, MDIOS_MDC, and additional functions ADC12_INP11 and WKUP5."
      },
      {
        "number": "17",
        "name": "PC2_C",
        "type": "passive",
        "description": "Analog pad (ANA, 3.3 V tolerant) connected to PC2 through an analog switch; additional function ADC2_INP0."
      },
      {
        "number": "18",
        "name": "PC3_C",
        "type": "passive",
        "description": "Analog pad (ANA, 3.3 V tolerant) connected to PC3 through an analog switch; additional function ADC2_INP1."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin for the ADC, DAC, OPAMP and reference blocks."
      },
      {
        "number": "20",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive reference voltage for the ADC and DAC, which must be within the permitted range."
      },
      {
        "number": "21",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply pin, 1.62 V to 3.6 V when ADC or COMP is used."
      },
      {
        "number": "22",
        "name": "PA0",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O; alternate functions include TIM2_CH1, TIM5_CH1, USART2_CTS, UART4_TX; additional functions ADC1_INP16 and WKUP0."
      },
      {
        "number": "23",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O; alternate functions include TIM2_CH2, TIM5_CH2, USART2_RTS, UART4_RX; additional function ADC1_INP17."
      },
      {
        "number": "24",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O; alternate functions include TIM2_CH3, TIM15_CH1, USART2_TX, LCD_R1; additional functions ADC1_INP14 and WKUP1."
      },
      {
        "number": "25",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O; alternate functions include TIM2_CH4, TIM15_CH2, USART2_RX, OTG_HS_ULPI_D0; additional function ADC1_INP15."
      },
      {
        "number": "26",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all VSS pins must be connected to the external ground."
      },
      {
        "number": "27",
        "name": "VDD",
        "type": "power_in",
        "description": "Standard operating voltage pin, 1.62 V to 3.6 V."
      },
      {
        "number": "28",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.3 V-tolerant analog-capable I/O; alternate functions include TIM5_ETR, SPI1_NSS, SPI3_NSS, USART2_CK, DCMI_HSYNC; additional functions ADC1_INP18 and DAC1_OUT1."
      },
      {
        "number": "29",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.3 V-tolerant analog-capable I/O; alternate functions include TIM2_CH1, TIM8_CH1N, SPI1_SCK, OTG_HS_ULPI_CK; additional functions ADC1_INP19 and DAC1_OUT2."
      },
      {
        "number": "30",
        "name": "PA6",
        "type": "bidirectional",
        "description": "3.3 V-tolerant analog-capable I/O; alternate functions include TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO, DCMI_PIXCLK; additional functions ADC12_INP3 and DAC2_OUT1."
      },
      {
        "number": "31",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O; alternate functions include TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, FMC_SDNWE; additional functions ADC12_INP7 and OPAMP1_VINM."
      },
      {
        "number": "32",
        "name": "PC4",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O; alternate functions include DFSDM1_CKIN2, I2S1_MCK, SPDIFRX1_IN2, FMC_SDNE0; additional function ADC12_INP4."
      },
      {
        "number": "33",
        "name": "PC5",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O; alternate functions include SAI1_D3, DFSDM1_DATIN2, PSSI_D15, FMC_SDCKE0, COMP1_OUT; additional function ADC12_INP8."
      },
      {
        "number": "34",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O; alternate functions include TIM1_CH2N, TIM3_CH3, TIM8_CH2N, UART4_CTS, OTG_HS_ULPI_D1; additional function ADC12_INP9."
      },
      {
        "number": "35",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O; alternate functions include TIM1_CH3N, TIM3_CH4, TIM8_CH3N, DFSDM1_DATIN1, OTG_HS_ULPI_D2; additional function ADC12_INP5."
      },
      {
        "number": "36",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V-tolerant analog-capable I/O; alternate functions include RTC_OUT2, SAI1_D1, DFSDM1_CKIN1, SPI3_MOSI, OCTOSPIM_P1_CLK; additional function COMP1_INP."
      },
      {
        "number": "37",
        "name": "PE7",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM1_ETR, DFSDM1_DATIN2, UART7_RX, FMC_D4; additional function OPAMP2_VINM."
      },
      {
        "number": "38",
        "name": "PE8",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM1_CH1N, DFSDM1_CKIN2, UART7_TX, FMC_D5, COMP2_OUT; additional function OPAMP2_VINM."
      },
      {
        "number": "39",
        "name": "PE9",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM1_CH1, DFSDM1_CKOUT, UART7_RTS, FMC_D6; additional function OPAMP2_VINP."
      },
      {
        "number": "40",
        "name": "PE10",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM1_CH2N, DFSDM1_DATIN4, UART7_CTS, FMC_D7; additional function COMP2_INM."
      },
      {
        "number": "41",
        "name": "PE11",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM1_CH2, DFSDM1_CKIN4, SPI4_NSS, SAI2_SD_B, FMC_D8; additional function COMP2_INP."
      },
      {
        "number": "42",
        "name": "PE12",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM1_CH3N, DFSDM1_DATIN5, SPI4_SCK, SAI2_SCK_B, FMC_D9; additional function COMP1_OUT."
      },
      {
        "number": "43",
        "name": "PE13",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM1_CH3, DFSDM1_CKIN5, SPI4_MISO, SAI2_FS_B, FMC_D10; additional function COMP2_OUT."
      },
      {
        "number": "44",
        "name": "PE14",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM1_CH4, SPI4_MOSI, SAI2_MCK_B, FMC_D11, LCD_CLK."
      },
      {
        "number": "45",
        "name": "PE15",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM1_BKIN, USART10_CK, FMC_D12, TIM1_BKIN_COMP12, LCD_R7."
      },
      {
        "number": "46",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O; alternate functions include TIM2_CH3, LPTIM2_IN1, I2C2_SCL, SPI2_SCK, DFSDM1_DATIN7, USART3_TX, OTG_HS_ULPI_D3."
      },
      {
        "number": "47",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O; alternate functions include TIM2_CH4, LPTIM2_ETR, I2C2_SDA, DFSDM1_CKIN7, USART3_RX, OTG_HS_ULPI_D4."
      },
      {
        "number": "48",
        "name": "VCAP",
        "type": "power_in",
        "description": "Output of the internal voltage regulator; must be connected to an external filtering capacitor as specified in the datasheet."
      },
      {
        "number": "49",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all VSS pins must be connected to the external ground."
      },
      {
        "number": "50",
        "name": "VDD",
        "type": "power_in",
        "description": "Standard operating voltage pin, 1.62 V to 3.6 V."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM1_BKIN, OCTOSPIM_P1_NCLK, I2C2_SMBA, SPI2_NSS, USART3_CK, OTG_HS_ULPI_D5, UART5_RX."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM1_CH1N, LPTIM2_OUT, SPI2_SCK, USART3_CTS, FDCAN2_TX, OTG_HS_ULPI_D6, UART5_TX."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM1_CH2N, TIM12_CH1, USART1_TX, SPI2_MISO, USART3_RTS, UART4_RTS, LCD_CLK."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include RTC_REFIN, TIM1_CH3N, TIM12_CH2, USART1_RX, SPI2_MOSI, UART4_CTS, LCD_G7."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include DFSDM1_CKIN3, USART3_TX, SPDIFRX1_IN1, FMC_D13."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include DFSDM1_DATIN3, USART3_RX, FMC_D14."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include DFSDM1_CKOUT, DFSDM2_CKOUT, USART3_CK, FMC_D15, LCD_B3."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include LPTIM2_IN2, I2C4_SMBA, USART3_CTS, OCTOSPIM_P1_IO0, SAI2_SD_A, FMC_A16."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "5 V-tolerant fast high-speed low-voltage I/O; alternate functions include LPTIM1_IN1, TIM4_CH1, LPTIM2_IN1, I2C4_SCL, USART3_RTS, FMC_A17."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "5 V-tolerant fast high-speed low-voltage I/O; alternate functions include LPTIM1_OUT, TIM4_CH2, I2C4_SDA, OCTOSPIM_P1_IO3, FMC_A18."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM4_CH3, UART8_CTS, UART9_RX, FMC_D0."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM4_CH4, UART8_RTS, UART9_TX, FMC_D1."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM3_CH1, TIM8_CH1, USART6_TX, FMC_NWAIT, SDMMC1_D6, DCMI_D0, LCD_HSYNC."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TRGIO, TIM3_CH2, TIM8_CH2, USART6_RX, FMC_NE1, SDMMC1_D7, DCMI_D1."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TRACED1, TIM3_CH3, TIM8_CH3, USART6_CK, UART5_RTS, FMC_NE2, SDMMC1_D0."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V-tolerant fast high-speed low-voltage I/O; alternate functions include MCO2, TIM3_CH4, TIM8_CH4, I2C3_SDA, UART5_CTS, SDMMC1_D1."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant fast high-speed low-voltage I/O; alternate functions include MCO1, TIM1_CH1, TIM8_BKIN2, I2C3_SCL, USART1_CK, OTG_HS_SOF, UART7_RX."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant USB-capable I/O; alternate functions include TIM1_CH2, LPUART1_TX, I2C3_SMBA, SPI2_SCK, USART1_TX, DCMI_D0; additional function OTG_HS_VBUS."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant USB-capable I/O; alternate functions include TIM1_CH3, LPUART1_RX, USART1_RX, MDIOS_MDIO, DCMI_D1; additional function OTG_HS_ID."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V-tolerant USB-capable I/O; alternate functions include TIM1_CH4, LPUART1_CTS, SPI2_NSS, UART4_RX, USART1_CTS, FDCAN1_RX; additional function OTG_HS_DM."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V-tolerant USB-capable I/O; alternate functions include TIM1_ETR, LPUART1_RTS, SPI2_SCK, UART4_TX, USART1_RTS, SAI2_FS_B, FDCAN1_TX; additional function OTG_HS_DP."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O; alternate function is JTMS/SWDIO (serial wire debug data)."
      },
      {
        "number": "73",
        "name": "VCAP",
        "type": "power_in",
        "description": "Output of the internal voltage regulator; must be connected to an external filtering capacitor as specified in the datasheet."
      },
      {
        "number": "74",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all VSS pins must be connected to the external ground."
      },
      {
        "number": "75",
        "name": "VDD",
        "type": "power_in",
        "description": "Standard operating voltage pin, 1.62 V to 3.6 V."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O; alternate function is JTCK/SWCLK (serial wire debug clock)."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O; alternate functions include JTDI, TIM2_CH1, SPI1_NSS, SPI3_NSS, SPI6_NSS, UART4_RTS, LCD_R3, UART7_TX."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include DFSDM1_CKIN5, SPI3_SCK, USART3_TX, UART4_TX, OCTOSPIM_P1_IO1, SDMMC1_D2, DCMI_D8."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include DFSDM1_DATIN5, SPI3_MISO, USART3_RX, UART4_RX, OCTOSPIM_P1_NCS, SDMMC1_D3, DCMI_D4."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TRACED3, TIM15_CH1, DFSDM2_CKOUT, SPI3_MOSI, USART3_CK, UART5_TX, SDMMC1_CK, DCMI_D9."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include DFSDM1_CKIN6, UART4_RX, FDCAN1_RX, UART9_CTS, FMC_D2."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include DFSDM1_DATIN6, UART4_TX, FDCAN1_TX, FMC_D3."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TRACED2, TIM3_ETR, TIM15_BKIN, UART5_RX, LCD_B7, SDMMC1_CMD, DCMI_D11."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include DFSDM1_CKOUT, SPI2_SCK, USART2_CTS, FMC_CLK, DCMI_D5, LCD_G7."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include USART2_RTS, OCTOSPIM_P1_IO4, FMC_NOE."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include USART2_TX, OCTOSPIM_P1_IO5, FMC_NWE."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O with SAI-capable functions; alternate functions include SAI1_D1, DFSDM1_CKIN4, SPI3_MOSI, USART2_RX, OCTOSPIM_P1_IO6, SDMMC2_CK, FMC_NWAIT, DCMI_D10."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include DFSDM1_DATIN4, SPI1_MOSI, DFSDM1_CKIN1, USART2_CK, OCTOSPIM_P1_IO7, SDMMC2_CMD, FMC_NE1."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O; alternate functions include JTDO/TRACESWO, TIM2_CH2, SPI1_SCK, SPI3_SCK, SDMMC2_D2, CRS_SYNC, UART7_RX."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O; alternate functions include NJTRST, TIM16_BKIN, TIM3_CH1, SPI1_MISO, SPI3_MISO, SPI2_NSS, SDMMC2_D3, UART7_TX."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include TIM17_BKIN, TIM3_CH2, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI, FDCAN2_RX, OTG_HS_ULPI_D7, LCD_B5, FMC_SDCKE1, UART5_RX."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant fast I/O; alternate functions include TIM16_CH1N, TIM4_CH1, I2C1_SCL, USART1_TX, LPUART1_TX, FDCAN2_TX, OCTOSPIM_P1_NCS, FMC_SDNE1, DCMI_D5, UART5_TX."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant fast I/O; alternate functions include TIM17_CH1N, TIM4_CH2, I2C1_SDA, USART1_RX, LPUART1_RX, FMC_NL, DCMI_VSYNC; additional function PVD_IN."
      },
      {
        "number": "94",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated boot pin, input voltage range 0 to 9 V, which selects the boot mode at reset."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant fast I/O with SDMMC-capable functions; alternate functions include TIM16_CH1, TIM4_CH3, I2C1_SCL, SDMMC1_CKIN, UART4_RX, FDCAN1_RX, SDMMC2_D4, SDMMC1_D4, DCMI_D6, LCD_B6."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant fast I/O with SDMMC-capable functions; alternate functions include TIM17_CH1, TIM4_CH4, DFSDM1_DATIN7, I2C1_SDA, SPI2_NSS, SDMMC1_CDIR, UART4_TX, FDCAN1_TX, SDMMC2_D5, DCMI_D7, LCD_B7."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include LPTIM1_ETR, TIM4_ETR, LPTIM2_ETR, UART8_RX, SAI2_MCK_A, FMC_NBL0, DCMI_D2, LCD_R0."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5 V-tolerant high-speed low-voltage I/O; alternate functions include LPTIM1_IN2, UART8_TX, FMC_NBL1, DCMI_D3, LCD_R6."
      },
      {
        "number": "99",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all VSS pins must be connected to the external ground."
      },
      {
        "number": "100",
        "name": "VDD",
        "type": "power_in",
        "description": "Standard operating voltage pin, 1.62 V 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: Figure 6 prints pin 8 as PC14-OSC32_ON, while Table 7 gives PC14-OSC32_IN for the same pin; the tabl; VCAP and VDDLDO are typed power_in because the datasheet marks them as supply (S) pins; the regulato; Table 7 maps alternate functions per package; the list shown for each GPIO is the subset printed for",
          "1/100 pin names appear NOWHERE in the datasheet text: ['20:VREF+@p39']"
        ],
        "pages_sent": 100,
        "cost_usd": 0.2216,
        "at": "2026-11-05T23:57:27"
      },
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/stm32h7a3vit6.pdf",
        "pages": 235,
        "sha256": "29d107a1720cc864",
        "source_tier": "mfr"
      },
      "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": "stm32h7a3vit6.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": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32h7a3vit6-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": "ae8c6d9593be4e979e5dca24e821186e6b48a41837dabdb3be846dc47566c78b",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}