STM32L451VET6

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32l451vet6",
  "title": "STM32L451VET6",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32l451vet6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32L451VET6",
    "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/8588923411955793920",
    "parts": {
      "symbol": "stm32l451vet6.kicad_sym",
      "footprint": "stm32l451vet6.kicad_mod",
      "model_3d": "stm32l451vet6-etched.glb",
      "model_3d_plain": "stm32l451vet6.glb",
      "model_3d_step": "stm32l451vet6-etched.step",
      "model_3d_step_plain": "stm32l451vet6.step",
      "lbr": "stm32l451vet6.lbr"
    },
    "distributor_links": {
      "lcsc": "C1341459",
      "digikey": "497-17981-ND",
      "mouser": "511-STM32L451VET6"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T01:41:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-17981-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L451VET6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "GPIO Port E pin 2, alternate functions include TIM3_ETR, TSC_G7_IO1, SAI1_MCLK_A, TRACECK."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "GPIO Port E pin 3, alternate functions include TIM3_CH1, TSC_G7_IO2, SAI1_SD_B, TRACED0."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "GPIO Port E pin 4, alternate functions include TIM3_CH2, DFSDM1_DATIN3, TSC_G7_IO3, SAI1_FS_A, TRACED1."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "GPIO Port E pin 5, alternate functions include TIM3_CH3, DFSDM1_CKIN3, TSC_G7_IO4, SAI1_SCK_A, TRACED2."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "GPIO Port E pin 6, alternate functions include TIM3_CH4, SAI1_SD_A, TRACED3."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_out",
        "description": "Backup battery supply voltage, 1.55 V to 3.6 V, supplies RTC and backup registers."
      },
      {
        "number": "7",
        "name": "PC13",
        "type": "bidirectional",
        "description": "GPIO Port C pin 13, alternate functions include RTC_TAMP1, RTC_TS, RTC_OUT, WKUP2; limited to 2 MHz with 30 pF max load."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO Port C pin 14, 32 kHz oscillator input; limited to 2 MHz with 30 pF max load."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO Port C pin 15, 32 kHz oscillator output; limited to 2 MHz with 30 pF max load."
      },
      {
        "number": "10",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for main power supply."
      },
      {
        "number": "11",
        "name": "VDD",
        "type": "power_out",
        "description": "Main power supply, 1.71 V to 3.6 V, requires 100 nF decoupling capacitor."
      },
      {
        "number": "12",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "GPIO Port H pin 0, main oscillator input, 4 to 48 MHz crystal oscillator."
      },
      {
        "number": "13",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "GPIO Port H pin 1, main oscillator output, 4 to 48 MHz crystal oscillator."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "bidirectional",
        "description": "External reset input with internal pull-up resistor, active low; reset temporization 250-400 μs after BOR0 detection."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO Port C pin 0, 5V-tolerant I/O with analog switch, alternate functions include LPTIM1_IN1, I2C4_SCL, I2C3_SCL, LPUART1_RX, ADC1_IN1."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO Port C pin 1, 5V-tolerant I/O with analog switch, alternate functions include LPTIM1_OUT, I2C4_SDA, I2C3_SDA, LPUART1_TX, ADC1_IN2, TRACED0."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO Port C pin 2, 5V-tolerant I/O with analog switch, alternate functions include LPTIM1_IN2, SPI2_MISO, DFSDM1_CKOUT, ADC1_IN3."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO Port C pin 3, 5V-tolerant I/O with analog switch, alternate functions include LPTIM1_ETR, SPI2_MOSI, SAI1_SD_A, LPTIM2_ETR, ADC1_IN4."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground reference for ADC, DAC, OPAMP, and comparators."
      },
      {
        "number": "20",
        "name": "VREF-",
        "type": "power_in",
        "description": "Negative reference voltage for ADC, typically 0 V or connected to VSSA; requires 100 nF and 1 μF capacitors."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive reference voltage for ADC, 2.0 V to VDDA (min 2 V); requires 100 nF and 1 μF capacitors."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_out",
        "description": "Analog power supply, 1.62 V to 3.6 V for ADC/COMP, 1.8 V min for DAC/OPAMP, 2.4 V min for VREFBUF; requires 10 nF and 1 μF capacitors."
      },
      {
        "number": "23",
        "name": "PA0",
        "type": "bidirectional",
        "description": "GPIO Port A pin 0, 5V-tolerant I/O with analog switch, alternate functions include TIM2_CH1, USART2_CTS, UART4_TX, COMP1_OUT, ADC1_IN5, OPAMP1_VINP, RTC_TAMP2, WKUP1."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO Port A pin 1, 5V-tolerant I/O with analog switch, alternate functions include TIM2_CH2, I2C1_SMBA, SPI1_SCK, USART2_RTS_DE, UART4_RX, ADC1_IN6, OPAMP1_VINM."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO Port A pin 2, 5V-tolerant I/O with analog switch, alternate functions include TIM2_CH3, USART2_TX, LPUART1_TX, QUADSPI_BK1_NCS, COMP2_OUT, ADC1_IN7, WKUP4, LSCO."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO Port A pin 3, 3.6V-tolerant I/O with analog switch, alternate functions include TIM2_CH4, USART2_RX, LPUART1_RX, QUADSPI_CLK, SAI1_MCLK_A, ADC1_IN8, OPAMP1_VOUT."
      },
      {
        "number": "27",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for main power supply."
      },
      {
        "number": "28",
        "name": "VDD",
        "type": "power_out",
        "description": "Main power supply, 1.71 V to 3.6 V, requires 100 nF decoupling capacitor."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO Port A pin 4, 3.6V-tolerant I/O with analog switch, alternate functions include SPI1_NSS, SPI3_NSS, USART2_CK, SAI1_FS_B, LPTIM2_OUT, ADC1_IN9, DAC1_OUT1."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO Port A pin 5, 3.6V-tolerant I/O with analog switch, alternate functions include TIM2_CH1, TIM2_ETR, SPI1_SCK, DFSDM1_CKOUT, LPTIM2_ETR, ADC1_IN10."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO Port A pin 6, 5V-tolerant I/O with analog switch, alternate functions include TIM1_BKIN, TIM3_CH1, SPI1_MISO, COMP1_OUT, USART3_CTS, QUADSPI_BK1_IO3, TIM16_CH1, ADC1_IN11."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO Port A pin 7, 5V-tolerant I/O with FM+ capability and analog switch, alternate functions include TIM1_CH1N, TIM3_CH2, I2C3_SCL, SPI1_MOSI, DFSDM1_DATIN0, QUADSPI_BK1_IO2, COMP2_OUT, ADC1_IN12."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO Port C pin 4, 5V-tolerant I/O with analog switch, alternate functions include USART3_TX, ADC1_IN13."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO Port C pin 5, 5V-tolerant I/O with analog switch, alternate functions include USART3_RX, ADC1_IN14, WKUP5."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO Port B pin 0, 5V-tolerant I/O with analog switch, alternate functions include TIM1_CH2N, TIM3_CH3, SPI1_NSS, DFSDM1_CKIN0, USART3_CK, QUADSPI_BK1_IO1, COMP1_OUT, ADC1_IN15."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO Port B pin 1, 5V-tolerant I/O with analog switch, alternate functions include TIM1_CH3N, TIM3_CH4, DFSDM1_DATIN0, USART3_RTS_DE, LPUART1_RTS_DE, QUADSPI_BK1_IO0, LPTIM2_IN1, ADC1_IN16."
      },
      {
        "number": "37",
        "name": "PB2",
        "type": "bidirectional",
        "description": "GPIO Port B pin 2, 5V-tolerant I/O with analog switch, alternate functions include RTC_OUT, LPTIM1_OUT, I2C3_SMBA, DFSDM1_CKIN0."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "GPIO Port E pin 7, 5V-tolerant I/O, alternate functions include TIM1_ETR, DFSDM1_DATIN2, SAI1_SD_B."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "GPIO Port E pin 8, 5V-tolerant I/O, alternate functions include TIM1_CH1N, DFSDM1_CKIN2, SAI1_SCK_B."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "GPIO Port E pin 9, 5V-tolerant I/O, alternate functions include TIM1_CH1, DFSDM1_CKOUT, SAI1_FS_B."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "GPIO Port E pin 10, 5V-tolerant I/O, alternate functions include TIM1_CH2N, TSC_G5_IO1, QUADSPI_CLK, SAI1_MCLK_B."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "GPIO Port E pin 11, 5V-tolerant I/O, alternate functions include TIM1_CH2, TSC_G5_IO2, QUADSPI_BK1_NCS."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "GPIO Port E pin 12, 5V-tolerant I/O, alternate functions include TIM1_CH3N, SPI1_NSS, TSC_G5_IO3, QUADSPI_BK1_IO0."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "GPIO Port E pin 13, 5V-tolerant I/O, alternate functions include TIM1_CH3, SPI1_SCK, TSC_G5_IO4, QUADSPI_BK1_IO1."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "GPIO Port E pin 14, 5V-tolerant I/O, alternate functions include TIM1_CH4, TIM1_BKIN2, SPI1_MISO, QUADSPI_BK1_IO2."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "GPIO Port E pin 15, 5V-tolerant I/O, alternate functions include TIM1_BKIN, SPI1_MOSI, QUADSPI_BK1_IO3."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO Port B pin 10, 5V-tolerant I/O with FM+ capability, alternate functions include TIM2_CH3, I2C4_SCL, I2C2_SCL, SPI2_SCK, USART3_TX, LPUART1_RX, TSC_SYNC, QUADSPI_CLK, COMP1_OUT, SAI1_SCK_A."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO Port B pin 11, 5V-tolerant I/O with FM+ capability, alternate functions include TIM2_CH4, I2C4_SDA, I2C2_SDA, USART3_RX, LPUART1_TX, QUADSPI_BK1_NCS, COMP2_OUT."
      },
      {
        "number": "49",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for main power supply."
      },
      {
        "number": "50",
        "name": "VDD",
        "type": "power_out",
        "description": "Main power supply, 1.71 V to 3.6 V, requires 100 nF decoupling capacitor."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO Port B pin 12, 5V-tolerant I/O, alternate functions include TIM1_BKIN, TIM1_BKIN_COMP2, I2C2_SMBA, SPI2_NSS, DFSDM1_DATIN1, USART3_CK, TSC_G1_IO1, CAN1_RX, SAI1_FS_A, TIM15_BKIN."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO Port B pin 13, 5V-tolerant I/O with FM+ capability, alternate functions include TIM1_CH1N, I2C2_SCL, SPI2_SCK, DFSDM1_CKIN1, USART3_CTS, TSC_G1_IO2, CAN1_TX, SAI1_SCK_A, TIM15_CH1N."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO Port B pin 14, 5V-tolerant I/O with FM+ capability, alternate functions include TIM1_CH2N, I2C2_SDA, SPI2_MISO, DFSDM1_DATIN2, USART3_RTS_DE, TSC_G1_IO3, SAI1_MCLK_A, TIM15_CH1."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO Port B pin 15, 5V-tolerant I/O, alternate functions include RTC_REFIN, TIM1_CH3N, SPI2_MOSI, DFSDM1_CKIN2, TSC_G1_IO4, SAI1_SD_A, TIM15_CH2."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "GPIO Port D pin 8, 5V-tolerant I/O, alternate functions include USART3_TX."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "GPIO Port D pin 9, 5V-tolerant I/O, alternate functions include USART3_RX."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "GPIO Port D pin 10, 5V-tolerant I/O, alternate functions include USART3_CK, TSC_G6_IO1."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "GPIO Port D pin 11, 5V-tolerant I/O, alternate functions include I2C4_SMBA, USART3_CTS, TSC_G6_IO2, LPTIM2_ETR."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "GPIO Port D pin 12, 5V-tolerant I/O, alternate functions include I2C4_SCL, USART3_RTS_DE, TSC_G6_IO3, LPTIM2_IN1."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "GPIO Port D pin 13, 5V-tolerant I/O, alternate functions include I2C4_SDA, TSC_G6_IO4, LPTIM2_OUT."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "GPIO Port D pin 14, 5V-tolerant I/O."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "GPIO Port D pin 15, 5V-tolerant I/O."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO Port C pin 6, 5V-tolerant I/O, alternate functions include TIM3_CH1, DFSDM1_CKIN3, TSC_G4_IO1, SDMMC1_D6."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO Port C pin 7, 5V-tolerant I/O, alternate functions include TIM3_CH2, DFSDM1_DATIN3, TSC_G4_IO2, SDMMC1_D7."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "GPIO Port C pin 8, 5V-tolerant I/O, alternate functions include TIM3_CH3, TSC_G4_IO3, SDMMC1_D0."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "GPIO Port C pin 9, 5V-tolerant I/O, alternate functions include TIM3_CH4, TSC_G4_IO4, SDMMC1_D1."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO Port A pin 8, 5V-tolerant I/O, alternate functions include MCO, TIM1_CH1, DFSDM1_CKIN1, USART1_CK, SAI1_SCK_A, LPTIM2_OUT."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO Port A pin 9, 5V-tolerant I/O with FM+ capability, alternate functions include TIM1_CH2, I2C1_SCL, DFSDM1_DATIN1, USART1_TX, SAI1_FS_A, TIM15_BKIN."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO Port A pin 10, 5V-tolerant I/O with FM+ capability, alternate functions include TIM1_CH3, I2C1_SDA, USART1_RX, SAI1_SD_A."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO Port A pin 11, 5V-tolerant I/O, alternate functions include TIM1_CH4, TIM1_BKIN2, SPI1_MISO, COMP1_OUT, USART1_CTS, CAN1_RX."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO Port A pin 12, 5V-tolerant I/O with FM+ capability, alternate functions include TIM1_ETR, SPI1_MOSI, USART1_RTS_DE, CAN1_TX."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO Port A pin 13 / JTAG TMS / SWD I/O (JTMS/SWDAT), 5V-tolerant I/O, alternate functions include IR_OUT, SAI1_SD_B; configured as JTAG/SWD after reset with internal pull-up."
      },
      {
        "number": "73",
        "name": "VDD",
        "type": "power_out",
        "description": "Main power supply, 1.71 V to 3.6 V, requires 100 nF decoupling capacitor."
      },
      {
        "number": "74",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for main power supply."
      },
      {
        "number": "75",
        "name": "VDD",
        "type": "power_out",
        "description": "Main power supply, 1.71 V to 3.6 V, requires 100 nF decoupling capacitor."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "GPIO Port A pin 14 / JTAG TCK / SWD CLK (JTCK/SWCLK), 5V-tolerant I/O, alternate functions include LPTIM1_OUT, I2C1_SMBA, I2C4_SMBA, SAI1_FS_B; configured as JTAG/SWD after reset with internal pull-down."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO Port A pin 15 / JTAG TDI (JTDI), 5V-tolerant I/O, alternate functions include TIM2_CH1, TIM2_ETR, USART2_RX, SPI1_NSS, SPI3_NSS, USART3_RTS_DE, UART4_RTS_DE, TSC_G3_IO1; configured as JTAG after reset with internal pull-up."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "GPIO Port C pin 10, 5V-tolerant I/O, alternate functions include TRACED1, SPI3_SCK, USART3_TX, UART4_TX, TSC_G3_IO2, SDMMC1_D2."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "GPIO Port C pin 11, 5V-tolerant I/O, alternate functions include SPI3_MISO, USART3_RX, UART4_RX, TSC_G3_IO3, SDMMC1_D3."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "GPIO Port C pin 12, 5V-tolerant I/O, alternate functions include TRACED3, SPI3_MOSI, USART3_CK, TSC_G3_IO4, SDMMC1_CK."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "GPIO Port D pin 0, 5V-tolerant I/O, alternate functions include SPI2_NSS, CAN1_RX."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "GPIO Port D pin 1, 5V-tolerant I/O, alternate functions include SPI2_SCK, CAN1_TX."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "GPIO Port D pin 2, 5V-tolerant I/O, alternate functions include TRACED2, TIM3_ETR, USART3_RTS_DE, TSC_SYNC, SDMMC1_CMD."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "GPIO Port D pin 3, 5V-tolerant I/O, alternate functions include SPI2_MISO, DFSDM1_DATIN0, USART2_CTS, QUADSPI_BK2_NCS."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "GPIO Port D pin 4, 5V-tolerant I/O, alternate functions include SPI2_MOSI, DFSDM1_CKIN0, USART2_RTS_DE, QUADSPI_BK2_IO0."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "GPIO Port D pin 5, 5V-tolerant I/O, alternate functions include USART2_TX, QUADSPI_BK2_IO1."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "GPIO Port D pin 6, 5V-tolerant I/O, alternate functions include DFSDM1_DATIN1, USART2_RX, QUADSPI_BK2_IO2, SAI1_SD_A."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "GPIO Port D pin 7, 5V-tolerant I/O, alternate functions include DFSDM1_CKIN1, USART2_CK, QUADSPI_BK2_IO3."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "GPIO Port B pin 3 / JTAG TDO / SWD trace (JTDO/TRACESWO), 5V-tolerant I/O with analog switch, alternate functions include TIM2_CH2, SPI1_SCK, SPI3_SCK, USART1_RTS_DE, SAI1_SCK_B, COMP2_INM."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "GPIO Port B pin 4 / JTAG nTRST (NJTRST), 5V-tolerant I/O with FM+ capability and analog switch, alternate functions include TIM3_CH1, I2C3_SDA, SPI1_MISO, SPI3_MISO, USART1_CTS, TSC_G2_IO1, SAI1_MCLK_B, COMP2_INP; configured as JTAG after reset with internal pull-up."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO Port B pin 5, 5V-tolerant I/O, alternate functions include LPTIM1_IN1, TIM3_CH2, CAN1_RX, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI, USART1_CK, TSC_G2_IO2, COMP2_OUT, SAI1_SD_B, TIM16_BKIN."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO Port B pin 6, 5V-tolerant I/O with FM+ capability and analog switch, alternate functions include LPTIM1_ETR, I2C1_SCL, I2C4_SCL, USART1_TX, CAN1_TX, TSC_G2_IO3, SAI1_FS_B, TIM16_CH1N, COMP2_INP."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO Port B pin 7, 5V-tolerant I/O with FM+ capability and analog switch, alternate functions include LPTIM1_IN2, I2C1_SDA, I2C4_SDA, USART1_RX, UART4_CTS, TSC_G2_IO4, COMP2_INM, PVD_IN."
      },
      {
        "number": "94",
        "name": "PH3-BOOT0",
        "type": "bidirectional",
        "description": "GPIO Port H pin 3 / Boot selection pin (BOOT0), selects between boot from main Flash memory (BOOT0=0) or system memory (BOOT0=1)."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO Port B pin 8, 5V-tolerant I/O with FM+ capability, alternate functions include I2C1_SCL, CAN1_RX, SDMMC1_D4, SAI1_MCLK_A, TIM16_CH1."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO Port B pin 9, 5V-tolerant I/O with FM+ capability, alternate functions include IR_OUT, I2C1_SDA, SPI2_NSS, CAN1_TX, SDMMC1_D5, SAI1_FS_A."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "GPIO Port E pin 0, 5V-tolerant I/O, alternate functions include TIM16_CH1."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "GPIO Port E pin 1, 5V-tolerant I/O."
      },
      {
        "number": "99",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for main power supply."
      },
      {
        "number": "100",
        "name": "VDD",
        "type": "power_out",
        "description": "Main power supply, 1.71 V to 3.6 V, requires 100 nF decoupling capacitor."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "1/100 pins cited to the wrong page (name found elsewhere): ['11:VDD@p88']"
        ],
        "pages_sent": 77,
        "cost_usd": 0.5905,
        "at": "2026-10-01T01:40:52"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923411955793920",
        "pages": 207,
        "sha256": "aa4890e697f5f52e",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-100(14x14)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "100"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm32l451vet6"
  ],
  "discovery_pitch": "STM32L451VET6 (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32l451vet6.kicad_sym",
    "stm32l451vet6.kicad_mod",
    "stm32l451vet6.glb",
    "stm32l451vet6.step",
    "stm32l451vet6.lbr",
    "docs/hero.png",
    "docs/stm32l451vet6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  }
}