N32G452VEL7

{
  "slug": "n32g452vel7",
  "version": "0.1.0",
  "type": "component",
  "description": "Nations Technologies Inc Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "n32g452vel7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "n32g452vel7.kicad_sym",
    "n32g452vel7.kicad_mod",
    "n32g452vel7.glb",
    "n32g452vel7.step",
    "n32g452vel7.lbr",
    "docs/hero.png",
    "docs/n32g452vel7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "n32g452vel7-hero.glb",
    "n32g452vel7-hero.overlay.json",
    "n32g452vel7-etched.glb"
  ],
  "component": {
    "mpn": "N32G452VEL7",
    "manufacturer": "Nations Technologies Inc",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893257698299904",
    "parts": {
      "symbol": "n32g452vel7.kicad_sym",
      "footprint": "n32g452vel7.kicad_mod",
      "model_3d": "n32g452vel7-hero.glb",
      "model_3d_plain": "n32g452vel7-etched.glb",
      "model_3d_step": "n32g452vel7-etched.step",
      "model_3d_step_plain": "n32g452vel7.step",
      "lbr": "n32g452vel7.lbr"
    },
    "distributor_links": {
      "lcsc": "C841389"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T17:06:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PE2, alternate functions TRACECK, XFMC_A23, UART6_TX."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PE3, alternate functions TRACED0, XFMC_A19, UART6_RX."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PE4, alternate functions TRACED1, XFMC_A20."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PE5, alternate functions TRACED2, XFMC_A21."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PE6, alternate functions TRACED3, XFMC_A22."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup supply 1.8 V to 3.6 V for the RTC, the 32 kHz oscillator and backup registers when VDD is off."
      },
      {
        "number": "7",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "GPIO (TC level) powered through a power switch limited to about 3 mA; when used as output only one of PC13/PC14/PC15 may toggle at a time, at 2 MHz max, 30 pF max load, and it cannot drive LEDs as a current source; alternate function TAMPER-RTC."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO (TC level) with the same 3 mA power-switch and output limits as PC13; alternate function OSC32_IN for the 32.768 kHz LSE crystal."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO (TC level) with the same 3 mA power-switch and output limits as PC13; alternate function OSC32_OUT for the 32.768 kHz LSE crystal."
      },
      {
        "number": "10",
        "name": "VSS_5",
        "type": "power_in",
        "description": "Ground pin; all VSS pins must be connected to the ground of the supply system."
      },
      {
        "number": "11",
        "name": "VDD_5",
        "type": "power_in",
        "description": "Digital I/O and internal regulator supply, 1.8 V to 3.6 V."
      },
      {
        "number": "12",
        "name": "OSC_IN",
        "type": "input",
        "description": "HSE oscillator input for a 4 MHz to 32 MHz crystal or external clock (OSC_IN input high level at least 0.7VDD)."
      },
      {
        "number": "13",
        "name": "OSC_OUT",
        "type": "output",
        "description": "HSE oscillator output for the 4 MHz to 32 MHz crystal or resonator."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low reset pin with internal pull-up of 20 kΩ to 50 kΩ; a noise filter is recommended per the NRST protection figure."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PC0, alternate functions ADC12_IN6, I2C3_SCL, UART6_TX."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PC1, alternate functions ADC12_IN7, I2C3_SDA, UART6_RX."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PC2, alternate functions ADC12_IN8, UART7_TX, SPI3_NSS, I2S3_WS."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PC3, alternate functions ADC12_IN9, UART7_RX, SPI3_SCK, I2S3_CK."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for ADC, DAC, reset block, RC oscillators and PLL; must be connected to VSS."
      },
      {
        "number": "20",
        "name": "VREF-",
        "type": "power_in",
        "description": "Negative ADC reference voltage input; ADC input range is VREF- ≤ VIN ≤ VREF+."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive ADC and DAC reference voltage input; ADC reference range 1.8 V to VDDA and VREF+ must always be lower than VDDA for the DAC."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply 1.8 V to 3.6 V for ADC, DAC, reset block, RC oscillators and PLL; must be connected to VDD (up to 300 mV difference allowed)."
      },
      {
        "number": "23",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PA0, WKUP wake-up input, alternate functions USART2_CTS, ADC1_IN1, TIM2_CH1_ETR, TIM5_CH1, TIM8_ETR, SPI3_MISO."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PA1, alternate functions USART2_RTS, ADC1_IN2, TIM5_CH2, TIM2_CH2, SPI3_MOSI, I2S3_SD."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PA2, alternate functions USART2_TX, TIM5_CH3, ADC12_IN11, TIM2_CH3."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PA3, alternate functions USART2_RX, TIM5_CH4, ADC1_IN4, TIM2_CH4."
      },
      {
        "number": "27",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground pin; all VSS pins must be connected to the ground of the supply system."
      },
      {
        "number": "28",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital I/O and internal regulator supply, 1.8 V to 3.6 V."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PA4, alternate functions SPI1_NSS, USART2_CK, DAC_OUT1, ADC2_IN1, QSPI_NSS, I2C2_SCL."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PA5, alternate functions SPI1_SCK, DAC_OUT2, ADC2_IN2, QSPI_SCK, I2C2_SDA."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PA6, alternate functions SPI1_MISO, TIM8_BKIN, ADC1_IN3, TIM3_CH1, QSPI_IO0, TIM1_BKIN."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PA7, alternate functions SPI1_MOSI, TIM8_CH1N, ADC2_IN4, TIM3_CH2, QSPI_IO1, TIM1_CH1N."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PC4, alternate functions ADC2_IN5, QSPI_IO2, UART7_TX, I2C3_SCL."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PC5, alternate functions ADC2_IN12, QSPI_IO3, UART7_RX, I2C3_SDA."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PB0, alternate functions TIM3_CH3, TIM8_CH2N, TIM1_CH2N, UART6_TX."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PB1, alternate functions ADC2_IN3, TIM3_CH4, TIM8_CH3N, TIM1_CH3N, UART6_RX."
      },
      {
        "number": "37",
        "name": "PB2-BOOT1",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PB2 (BOOT1 boot-mode select), alternate functions ADC2_IN13, UART4_TX, SPI1_NSS."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PE7, alternate functions XFMC_D4, TIM1_ETR, UART4_RX, SPI1_SCK."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PE8, alternate functions XFMC_D5, TIM1_CH1N, UART5_TX, SDIO_D0, SPI1_MISO."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PE9, alternate functions XFMC_D6, TIM1_CH1, UART5_RX, SDIO_D1, SPI1_MOSI."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PE10, alternate functions XFMC_D7, TIM1_CH2N, SDIO_D2, SPI2_NSS, I2S2_WS."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PE11, alternate functions XFMC_D8, TIM1_CH2, SDIO_D3, SPI2_SCK, I2S2_CK."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PE12, alternate functions XFMC_D9, TIM1_CH3N, SDIO_CK, SPI2_MISO."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PE13, alternate functions XFMC_D10, TIM1_CH3, SPI2_MOSI, I2S2_SD, SDIO_CMD."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PE14, alternate functions XFMC_D11, TIM1_CH4."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PE15, alternate functions XFMC_D12, TIM1_BKIN."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PB10, alternate functions I2C2_SCL, USART3_TX, TIM2_CH3, XFMC_D11."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PB11, alternate functions I2C2_SDA, USART3_RX, TIM2_CH4, XFMC_D12."
      },
      {
        "number": "49",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground pin; all VSS pins must be connected to the ground of the supply system."
      },
      {
        "number": "50",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital I/O and internal regulator supply, 1.8 V to 3.6 V."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PB12, alternate functions SPI2_NSS, I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN, CAN2_RX."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PB13, alternate functions SPI2_SCK, I2S2_CK, USART3_CTS, TIM1_CH1N, CAN2_TX, UART5_TX."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PB14, alternate functions SPI2_MISO, TIM1_CH2N, USART3_RTS, UART5_RX."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PB15, alternate functions SPI2_MOSI, I2S2_SD, TIM1_CH3N."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PD8, alternate functions XFMC_D13, USART3_TX, SPI3_NSS, I2S3_WS, CAN1_RX."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PD9, alternate functions XFMC_D14, USART3_RX, SPI3_SCK, I2S3_CK, CAN1_TX."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PD10, alternate functions XFMC_D15, USART3_CK, CAN2_RX."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PD11, alternate functions XFMC_A16, USART3_CTS, CAN2_TX, SPI3_MISO."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PD12, alternate functions XFMC_A17, TIM4_CH1, USART3_RTS, SPI3_MOSI, I2S3_SD."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PD13, alternate functions XFMC_A18, TIM4_CH2."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PD14, alternate functions XFMC_D0, TIM4_CH3, I2C4_SCL, TIM8_CH1."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PD15, alternate functions XFMC_D1, TIM4_CH4, I2C4_SDA, TIM8_CH2."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PC6, alternate functions I2S2_MCK, TIM8_CH1, SDIO_D6, I2C4_SCL, TIM3_CH1, SPI2_NSS, I2S2_WS, USART2_CTS, XFMC_A16."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PC7, alternate functions I2S3_MCK, TIM8_CH2, SDIO_D7, I2C4_SDA, TIM3_CH2, SPI2_SCK, I2S2_CK, USART2_RTS, XFMC_A17."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PC8, alternate functions TIM8_CH3, SDIO_D0, TIM3_CH3, SPI2_MISO, USART2_TX."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PC9, alternate functions TIM8_CH4, SDIO_D1, TIM3_CH4, SPI2_MOSI, I2S2_SD, USART2_RX, XFMC_NOE."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PA8, alternate functions USART1_CK, TIM1_CH1, MCO."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PA9, alternate functions USART1_TX, TIM1_CH2, I2C4_SCL."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PA10, alternate functions USART1_RX, TIM1_CH3, I2C4_SDA, XFMC_MWE."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PA11, alternate functions USART1_CTS, USBDM, CAN1_RX, TIM1_CH4."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PA12, alternate functions USART1_RTS, USBDP, CAN1_TX, TIM1_ETR."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default function JTMS/SWDIO (SWD data I/O), alternate function UART4_TX."
      },
      {
        "number": "73",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; no internal connection on the LQFP100 package."
      },
      {
        "number": "74",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground pin; all VSS pins must be connected to the ground of the supply system."
      },
      {
        "number": "75",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital I/O and internal regulator supply, 1.8 V to 3.6 V."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default function JTCK/SWCLK (SWD clock), alternate function UART4_RX."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default function JTDI, alternate functions SPI3_NSS, I2S3_WS, TIM2_CH1_ETR, SPI1_NSS, USART2_CTS, TIM8_CH1N."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PC10, alternate functions UART4_TX, SDIO_D2, USART3_TX, SPI3_SCK, I2S3_CK, QSPI_NSS."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PC11, alternate functions UART4_RX, SDIO_D3, USART3_RX, SPI3_MISO, QSPI_SCK."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PC12, alternate functions UART5_TX, SDIO_CK, USART3_CK, SPI3_MOSI, I2S3_SD, QSPI_IO0, TIM8_CH2N."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PD0, alternate functions XFMC_D2, CAN1_RX, UART4_TX, QSPI_IO1."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PD1, alternate functions XFMC_D3, CAN1_TX, UART4_RX, QSPI_IO2."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PD2, alternate functions TIM3_ETR, UART5_RX, SDIO_CMD, SPI3_NSS, I2S3_WS, QSPI_IO3, TIM8_CH3N."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PD3, alternate functions XFMC_CLK, USART2_CTS."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PD4, alternate functions XFMC_NOE, USART2_RTS."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PD5, alternate functions XFMC_NWE, USART2_TX."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PD6, alternate functions XFMC_NWAIT, USART2_RX."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PD7, alternate functions XFMC_NE1, XFMC_NCE2, USART2_CK."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default function JTDO/TRACESWO, alternate functions SPI3_SCK, I2S3_CK, TIM2_CH2, SPI1_SCK, USART2_RTS, TIM8_BKIN."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default function NJTRST, alternate functions SPI3_MISO, TIM3_CH1, SPI1_MISO, USART2_TX, TIM8_ETR."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PB5, alternate functions I2C1_SMBA, SPI3_MOSI, I2S3_SD, TIM3_CH2, SPI1_MOSI, CAN2_RX, USART2_RX, TIM1_BKIN."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PB6, alternate functions I2C1_SCL, TIM4_CH1, USART1_TX, CAN2_TX, XFMC_NE2 (XFMC_NCE3 also listed)."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PB7, alternate functions I2C1_SDA, XFMC_NADV, TIM4_CH2, USART1_RX."
      },
      {
        "number": "94",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode select input; the datasheet states BOOT0 and BOOT1 are input pull-down pins after reset."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PB8, alternate functions TIM4_CH3, SDIO_D4, I2C1_SCL, CAN1_RX, UART5_TX, XFMC_NWAIT."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO (TTa level); reset default PB9, alternate functions TIM4_CH4, SDIO_D5, I2C1_SDA, CAN1_TX, UART5_RX, XFMC_NE1, XFMC_NCE2."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PE0, alternate functions TIM4_ETR, XFMC_NBL0."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "GPIO with FT (5 V tolerant) level; reset default PE1, alternate function XFMC_NBL1."
      },
      {
        "number": "99",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground pin; all VSS pins must be connected to the ground of the supply system."
      },
      {
        "number": "100",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital I/O and internal regulator supply, 1.8 V to 3.6 V; the 4.7 µF decoupling capacitor in the supply scheme must be connected to VDD3."
      }
    ],
    "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: Pin 73 row in the LQFP pin-definition table is garbled in the extracted text (the row shows '- 73 - ; Datasheet pin table uses level codes TTa and FT but the text defines only FT (5 V tolerant). TTa is ; The VREF- row in the pin table lists only two numbers (20 and 26) with no LQFP80 entry; pin 20 is ta"
        ],
        "pages_sent": 71,
        "cost_usd": 0.356,
        "at": "2026-10-18T17:06:15"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588893257698299904",
        "pages": 96,
        "sha256": "64263c0a0ef9dd52",
        "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": "n32g452vel7.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": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "n32g452vel7-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": "2fbf92e1291932e06313d1293bcecec6feb92f8520c5b1405ef6fb73dfd42396",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}