STM32L452VEI6

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32l452vei6",
  "title": "STM32L452VEI6",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFBGA-100. 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",
    "stm32l452vei6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32L452VEI6",
    "manufacturer": "STMicroelectronics",
    "package": "UFBGA-100",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588899456703451136",
    "parts": {
      "symbol": "stm32l452vei6.kicad_sym",
      "footprint": "stm32l452vei6.kicad_mod",
      "model_3d": "stm32l452vei6-hero.glb",
      "model_3d_plain": "stm32l452vei6.glb",
      "model_3d_step": "stm32l452vei6-etched.step",
      "model_3d_step_plain": "stm32l452vei6.step",
      "lbr": "stm32l452vei6.lbr"
    },
    "distributor_links": {
      "lcsc": "C1340740",
      "digikey": "497-17222-ND",
      "mouser": "511-STM32L452VEI6"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T21:55:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-17222-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L452VEI6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "B2",
        "name": "PE2",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TRACECK, TIM3_ETR, TSC_G7_IO1, SAI1_MCLK_A and EVENTOUT."
      },
      {
        "number": "A1",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TRACED0, TIM3_CH1, TSC_G7_IO2, SAI1_SD_B and EVENTOUT."
      },
      {
        "number": "B1",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TRACED1, TIM3_CH2, DFSDM1_DATIN3, TSC_G7_IO3, SAI1_FS_A and EVENTOUT."
      },
      {
        "number": "C2",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TRACED2, TIM3_CH3, DFSDM1_CKIN3, TSC_G7_IO4, SAI1_SCK_A and EVENTOUT."
      },
      {
        "number": "D2",
        "name": "PE6",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TRACED3, TIM3_CH4, SAI1_SD_A and EVENTOUT; additional function RTC_TAMP3/WKUP3."
      },
      {
        "number": "E2",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup domain supply, 1.55 V to 3.6 V, powering the RTC and 32x32-bit backup registers."
      },
      {
        "number": "C1",
        "name": "PC13",
        "type": "bidirectional",
        "description": "Supplied through the power switch (sinks max 3 mA), so output speed must not exceed 2 MHz at 30 pF and it must not source current such as LED drive; additional functions RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2."
      },
      {
        "number": "D1",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Backup-domain GPIO with the same power-switch limits as PC13 (max 3 mA, 2 MHz at 30 pF); additional function OSC32_IN for the 32 kHz LSE crystal."
      },
      {
        "number": "E1",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Backup-domain GPIO with the same power-switch limits as PC13 (max 3 mA, 2 MHz at 30 pF); additional function OSC32_OUT for the 32 kHz LSE crystal."
      },
      {
        "number": "F2",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; must be connected to the board ground."
      },
      {
        "number": "G2",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply pin, 1.71 V to 3.6 V."
      },
      {
        "number": "F1",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O with additional function OSC_IN (high-speed crystal oscillator input) and alternate function EVENTOUT."
      },
      {
        "number": "G1",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O with additional function OSC_OUT (high-speed crystal oscillator output) and alternate function EVENTOUT."
      },
      {
        "number": "H2",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up resistor (RST structure)."
      },
      {
        "number": "H1",
        "name": "PC0",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_fa, Fm+ capable) and alternate functions LPTIM1_IN1, I2C4_SCL, I2C3_SCL, LPUART1_RX, LPTIM2_IN1, EVENTOUT; additional function ADC1_IN1."
      },
      {
        "number": "J2",
        "name": "PC1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_fa, Fm+ capable) and alternate functions TRACED0, LPTIM1_OUT, I2C4_SDA, I2C3_SDA, LPUART1_TX, EVENTOUT; additional function ADC1_IN2."
      },
      {
        "number": "J3",
        "name": "PC2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) and alternate functions LPTIM1_IN2, SPI2_MISO, DFSDM1_CKOUT, EVENTOUT; additional function ADC1_IN3."
      },
      {
        "number": "K2",
        "name": "PC3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) and alternate functions LPTIM1_ETR, SPI2_MOSI, SAI1_SD_A, LPTIM2_ETR, EVENTOUT; additional function ADC1_IN4."
      },
      {
        "number": "J1",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC, COMP, DAC, OPAMP and VREFBUF blocks."
      },
      {
        "number": "K1",
        "name": "VREF-",
        "type": "power_in",
        "description": "Negative reference voltage input for the ADC, referenced to VSSA."
      },
      {
        "number": "L1",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive ADC reference input; VREF+ must be at least 2 V when VDDA is 2 V or higher and at most VDDA; also carries the VREFBUF_OUT function."
      },
      {
        "number": "M1",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply, 1.62 V to 3.6 V when ADC or COMP is used (1.8 V minimum for DAC or OPAMP, 2.4 V for VREFBUF)."
      },
      {
        "number": "L2",
        "name": "PA0",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) and alternate functions TIM2_CH1, USART2_CTS, UART4_TX, COMP1_OUT, SAI1_EXTCLK, TIM2_ETR, EVENTOUT; additional functions OPAMP1_VINP, COMP1_INM, ADC1_IN5, RTC_TAMP2/WKUP1."
      },
      {
        "number": "M2",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) and alternate functions TIM2_CH2, I2C1_SMBA, SPI1_SCK, USART2_RTS_DE, UART4_RX, TIM15_CH1N, EVENTOUT; additional functions OPAMP1_VINM, COMP1_INP, ADC1_IN6."
      },
      {
        "number": "K3",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) and alternate functions TIM2_CH3, USART2_TX, LPUART1_TX, QUADSPI_BK1_NCS, COMP2_OUT, TIM15_CH1, EVENTOUT; additional functions COMP2_INM, ADC1_IN7, WKUP4/LSCO."
      },
      {
        "number": "L3",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.6 V-tolerant (TT_a) I/O with analog switch function and alternate functions TIM2_CH4, USART2_RX, LPUART1_RX, QUADSPI_CLK, SAI1_MCLK_A, TIM15_CH2, EVENTOUT; additional functions OPAMP1_VOUT, COMP2_INP, ADC1_IN8."
      },
      {
        "number": "E3",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; must be connected to the board ground."
      },
      {
        "number": "H3",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply pin, 1.71 V to 3.6 V."
      },
      {
        "number": "M3",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.6 V-tolerant (TT_a) I/O with analog switch function and alternate functions SPI1_NSS, SPI3_NSS, USART2_CK, SAI1_FS_B, LPTIM2_OUT, EVENTOUT; additional functions COMP1_INM, COMP2_INM, ADC1_IN9, DAC1_OUT1."
      },
      {
        "number": "K4",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.6 V-tolerant (TT_a) I/O with analog switch function and alternate functions TIM2_CH1, TIM2_ETR, SPI1_SCK, DFSDM1_CKOUT, LPTIM2_ETR, EVENTOUT; additional functions COMP1_INM, COMP2_INM, ADC1_IN10."
      },
      {
        "number": "L4",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) and alternate functions TIM1_BKIN, TIM3_CH1, SPI1_MISO, COMP1_OUT, USART3_CTS, LPUART1_CTS, QUADSPI_BK1_IO3, TIM1_BKIN_COMP2, TIM16_CH1, EVENTOUT; additional function ADC1_IN11."
      },
      {
        "number": "M4",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_fa, Fm+ capable) and alternate functions TIM1_CH1N, TIM3_CH2, I2C3_SCL, SPI1_MOSI, DFSDM1_DATIN0, QUADSPI_BK1_IO2, COMP2_OUT, EVENTOUT; additional function ADC1_IN12."
      },
      {
        "number": "K5",
        "name": "PC4",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) and alternate function USART3_TX and EVENTOUT; additional functions COMP1_INM, ADC1_IN13."
      },
      {
        "number": "L5",
        "name": "PC5",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) and alternate function USART3_RX and EVENTOUT; additional functions COMP1_INP, ADC1_IN14, WKUP5."
      },
      {
        "number": "M5",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) and alternate functions TIM1_CH2N, TIM3_CH3, SPI1_NSS, DFSDM1_CKIN0, USART3_CK, QUADSPI_BK1_IO1, COMP1_OUT, SAI1_EXTCLK, EVENTOUT; additional function ADC1_IN15."
      },
      {
        "number": "M6",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) and alternate functions TIM1_CH3N, TIM3_CH4, DFSDM1_DATIN0, USART3_RTS_DE, LPUART1_RTS_DE, QUADSPI_BK1_IO0, LPTIM2_IN1, EVENTOUT; additional functions COMP1_INM, ADC1_IN16."
      },
      {
        "number": "L6",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) and alternate functions RTC_OUT, LPTIM1_OUT, I2C3_SMBA, DFSDM1_CKIN0, EVENTOUT; additional function COMP1_INP."
      },
      {
        "number": "M7",
        "name": "PE7",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM1_ETR, DFSDM1_DATIN2, SAI1_SD_B and EVENTOUT."
      },
      {
        "number": "L7",
        "name": "PE8",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM1_CH1N, DFSDM1_CKIN2, SAI1_SCK_B and EVENTOUT."
      },
      {
        "number": "M8",
        "name": "PE9",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM1_CH1, DFSDM1_CKOUT, SAI1_FS_B and EVENTOUT."
      },
      {
        "number": "L8",
        "name": "PE10",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM1_CH2N, TSC_G5_IO1, QUADSPI_CLK, SAI1_MCLK_B and EVENTOUT."
      },
      {
        "number": "M9",
        "name": "PE11",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM1_CH2, TSC_G5_IO2, QUADSPI_BK1_NCS and EVENTOUT."
      },
      {
        "number": "L9",
        "name": "PE12",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM1_CH3N, SPI1_NSS, TSC_G5_IO3, QUADSPI_BK1_IO0 and EVENTOUT."
      },
      {
        "number": "M10",
        "name": "PE13",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM1_CH3, SPI1_SCK, TSC_G5_IO4, QUADSPI_BK1_IO1 and EVENTOUT."
      },
      {
        "number": "M11",
        "name": "PE14",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM1_CH4, TIM1_BKIN2, TIM1_BKIN2_COMP2, SPI1_MISO, QUADSPI_BK1_IO2 and EVENTOUT."
      },
      {
        "number": "M12",
        "name": "PE15",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM1_BKIN, TIM1_BKIN_COMP1, SPI1_MOSI, QUADSPI_BK1_IO3 and EVENTOUT."
      },
      {
        "number": "L10",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, Fm+ capable (FT_f), with alternate functions TIM2_CH3, I2C4_SCL, I2C2_SCL, SPI2_SCK, USART3_TX, LPUART1_RX, TSC_SYNC, QUADSPI_CLK, COMP1_OUT, SAI1_SCK_A and EVENTOUT."
      },
      {
        "number": "L11",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, Fm+ capable (FT_f), with alternate functions TIM2_CH4, I2C4_SDA, I2C2_SDA, USART3_RX, LPUART1_TX, QUADSPI_BK1_NCS, COMP2_OUT and EVENTOUT."
      },
      {
        "number": "F12",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; must be connected to the board ground."
      },
      {
        "number": "G12",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply pin, 1.71 V to 3.6 V."
      },
      {
        "number": "L12",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM1_BKIN, TIM1_BKIN_COMP2, I2C2_SMBA, SPI2_NSS, DFSDM1_DATIN1, USART3_CK, LPUART1_RTS_DE, TSC_G1_IO1, CAN1_RX, SAI1_FS_A, TIM15_BKIN and EVENTOUT."
      },
      {
        "number": "K12",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, Fm+ capable (FT_f), with alternate functions TIM1_CH1N, I2C2_SCL, SPI2_SCK, DFSDM1_CKIN1, USART3_CTS, LPUART1_CTS, TSC_G1_IO2, CAN1_TX, SAI1_SCK_A, TIM15_CH1N and EVENTOUT."
      },
      {
        "number": "K11",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, Fm+ capable (FT_f), with alternate functions TIM1_CH2N, I2C2_SDA, SPI2_MISO, DFSDM1_DATIN2, USART3_RTS_DE, TSC_G1_IO3, SAI1_MCLK_A, TIM15_CH1 and EVENTOUT."
      },
      {
        "number": "K10",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM1_CH3N, SPI2_MOSI, DFSDM1_CKIN2, TSC_G1_IO4, SAI1_SD_A, TIM15_CH2 and EVENTOUT; additional function RTC_REFIN."
      },
      {
        "number": "K9",
        "name": "PD8",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions USART3_TX and EVENTOUT."
      },
      {
        "number": "K8",
        "name": "PD9",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions USART3_RX and EVENTOUT."
      },
      {
        "number": "J12",
        "name": "PD10",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions USART3_CK, TSC_G6_IO1 and EVENTOUT."
      },
      {
        "number": "J11",
        "name": "PD11",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions I2C4_SMBA, USART3_CTS, TSC_G6_IO2, LPTIM2_ETR and EVENTOUT."
      },
      {
        "number": "J10",
        "name": "PD12",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions I2C4_SCL, USART3_RTS_DE, TSC_G6_IO3, LPTIM2_IN1 and EVENTOUT."
      },
      {
        "number": "H12",
        "name": "PD13",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions I2C4_SDA, TSC_G6_IO4, LPTIM2_OUT and EVENTOUT."
      },
      {
        "number": "H11",
        "name": "PD14",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate function EVENTOUT only."
      },
      {
        "number": "H10",
        "name": "PD15",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate function EVENTOUT only."
      },
      {
        "number": "E12",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM3_CH1, DFSDM1_CKIN3, TSC_G4_IO1, SDMMC1_D6 and EVENTOUT."
      },
      {
        "number": "E11",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM3_CH2, DFSDM1_DATIN3, TSC_G4_IO2, SDMMC1_D7 and EVENTOUT."
      },
      {
        "number": "E10",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM3_CH3, TSC_G4_IO3, SDMMC1_D0 and EVENTOUT."
      },
      {
        "number": "D12",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM3_CH4, TSC_G4_IO4, USB_NOE, SDMMC1_D1 and EVENTOUT."
      },
      {
        "number": "D11",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions MCO, TIM1_CH1, DFSDM1_CKIN1, USART1_CK, SAI1_SCK_A, LPTIM2_OUT and EVENTOUT."
      },
      {
        "number": "D10",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, Fm+ capable (FT_f), with alternate functions TIM1_CH2, I2C1_SCL, DFSDM1_DATIN1, USART1_TX, SAI1_FS_A, TIM15_BKIN and EVENTOUT."
      },
      {
        "number": "C12",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, Fm+ capable (FT_f), with alternate functions TIM1_CH3, I2C1_SDA, USART1_RX, USB_CRS_SYNC, SAI1_SD_A and EVENTOUT."
      },
      {
        "number": "B12",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with USB function supplied by VDDUSB (FT_u), with alternate functions TIM1_CH4, TIM1_BKIN2, SPI1_MISO, COMP1_OUT, USART1_CTS, CAN1_RX, USB_DM, TIM1_BKIN2_COMP1 and EVENTOUT."
      },
      {
        "number": "A12",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with USB function supplied by VDDUSB (FT_u), with alternate functions TIM1_ETR, SPI1_MOSI, USART1_RTS_DE, CAN1_TX, USB_DP and EVENTOUT."
      },
      {
        "number": "A11",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O that is configured as JTMS/SWDIO debug function after reset, with internal pull-up active; alternate functions IR_OUT, USB_NOE, SAI1_SD_B and EVENTOUT."
      },
      {
        "number": "C11",
        "name": "VDDUSB",
        "type": "power_in",
        "description": "USB supply, 3.0 V to 3.6 V when USB is used (may be tied to 0 V when USB is not used)."
      },
      {
        "number": "F11",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; must be connected to the board ground."
      },
      {
        "number": "G11",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply pin, 1.71 V to 3.6 V."
      },
      {
        "number": "A10",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O that is configured as JTCK/SWCLK debug function after reset, with internal pull-down active; alternate functions LPTIM1_OUT, I2C1_SMBA, I2C4_SMBA, SAI1_FS_B and EVENTOUT."
      },
      {
        "number": "A9",
        "name": "PA15 (JTDI)",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O that is configured as JTDI debug function after reset, with internal pull-up active; alternate functions TIM2_CH1, TIM2_ETR, USART2_RX, SPI1_NSS, SPI3_NSS, USART3_RTS_DE, UART4_RTS_DE, TSC_G3_IO1 and EVENTOUT."
      },
      {
        "number": "B11",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TRACED1, SPI3_SCK, USART3_TX, UART4_TX, TSC_G3_IO2, SDMMC1_D2 and EVENTOUT."
      },
      {
        "number": "C10",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions SPI3_MISO, USART3_RX, UART4_RX, TSC_G3_IO3, SDMMC1_D3 and EVENTOUT."
      },
      {
        "number": "B10",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TRACED3, SPI3_MOSI, USART3_CK, TSC_G3_IO4, SDMMC1_CK and EVENTOUT."
      },
      {
        "number": "C9",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions SPI2_NSS, CAN1_RX and EVENTOUT."
      },
      {
        "number": "B9",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions SPI2_SCK, CAN1_TX and EVENTOUT."
      },
      {
        "number": "C8",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TRACED2, TIM3_ETR, USART3_RTS_DE, TSC_SYNC, SDMMC1_CMD and EVENTOUT."
      },
      {
        "number": "B8",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions SPI2_MISO, DFSDM1_DATIN0, USART2_CTS, QUADSPI_BK2_NCS and EVENTOUT."
      },
      {
        "number": "B7",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions SPI2_MOSI, DFSDM1_CKIN0, USART2_RTS_DE, QUADSPI_BK2_IO0 and EVENTOUT."
      },
      {
        "number": "A6",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions USART2_TX, QUADSPI_BK2_IO1 and EVENTOUT."
      },
      {
        "number": "B6",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions DFSDM1_DATIN1, USART2_RX, QUADSPI_BK2_IO2, SAI1_SD_A and EVENTOUT."
      },
      {
        "number": "A5",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions DFSDM1_CKIN1, USART2_CK, QUADSPI_BK2_IO3 and EVENTOUT."
      },
      {
        "number": "A8",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with analog switch function (FT_a) that is configured as JTDO/TRACESWO debug function after reset; alternate functions TIM2_CH2, SPI1_SCK, SPI3_SCK, USART1_RTS_DE, SAI1_SCK_B and EVENTOUT; additional function COMP2_INM."
      },
      {
        "number": "A7",
        "name": "PB4 (NJTRST)",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with Fm+ and analog switch function (FT_fa) that is configured as NJTRST debug function after reset, with internal pull-up active; alternate functions TIM3_CH1, I2C3_SDA, SPI1_MISO, SPI3_MISO, USART1_CTS, TSC_G2_IO1, SAI1_MCLK_B and EVENTOUT; additional function COMP2_INP."
      },
      {
        "number": "C5",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions LPTIM1_IN1, TIM3_CH2, CAN1_RX, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI, USART1_CK, TSC_G2_IO2, COMP2_OUT, SAI1_SD_B, TIM16_BKIN and EVENTOUT."
      },
      {
        "number": "B5",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with Fm+ and analog switch function (FT_fa) and alternate functions LPTIM1_ETR, I2C1_SCL, I2C4_SCL, USART1_TX, CAN1_TX, TSC_G2_IO3, SAI1_FS_B, TIM16_CH1N and EVENTOUT; additional function COMP2_INP."
      },
      {
        "number": "B4",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with Fm+ and analog switch function (FT_fa) and alternate functions LPTIM1_IN2, I2C1_SDA, I2C4_SDA, USART1_RX, UART4_CTS, TSC_G2_IO4 and EVENTOUT; additional functions COMP2_INM, PVD_IN."
      },
      {
        "number": "A4",
        "name": "PH3-BOOT0",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O that serves as the BOOT0 boot-mode selection input, with alternate function EVENTOUT."
      },
      {
        "number": "A3",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, Fm+ capable (FT_f), with alternate functions I2C1_SCL, CAN1_RX, SDMMC1_D4, SAI1_MCLK_A, TIM16_CH1 and EVENTOUT."
      },
      {
        "number": "B3",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, Fm+ capable (FT_f), with alternate functions IR_OUT, I2C1_SDA, SPI2_NSS, CAN1_TX, SDMMC1_D5, SAI1_FS_A and EVENTOUT."
      },
      {
        "number": "C3",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate functions TIM16_CH1 and EVENTOUT."
      },
      {
        "number": "A2",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) general-purpose I/O with alternate function EVENTOUT only."
      },
      {
        "number": "D3",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; must be connected to the board ground."
      },
      {
        "number": "C4",
        "name": "VDD",
        "type": "power_in",
        "description": "Main supply pin, 1.71 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: Corrected duplicate: the previous answer listed two pins on ball M7. Table 16 gives UFBGA100 ball M7; VDD12 is not bonded on the UFBGA100 package. Table 16 shows '-' in the UFBGA100 column for VDD12, wh; Pin type 'I/O' in the datasheet is mapped to KiCad 'bidirectional'. NRST is typed 'I/O RST' in the d"
        ],
        "pages_sent": 83,
        "cost_usd": 0.4526,
        "at": "2026-10-08T21:55:40"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588899456703451136",
        "pages": 221,
        "sha256": "0c90cbe36d057ab4",
        "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": "stm32l452vei6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          7,
          0.756
        ],
        "zmin_mm": -0.006,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d0ab576a9111252560d8bfc0698a8d90e5dcc32a2d319fd63095d01055508e34",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32l452vei6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          7,
          0.756
        ],
        "zmin_mm": -0.006,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "10be6115a789820e83dea1f9ceba0c3470f0ccee01dd385d0d1a3f4a3598ecd5",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "UFBGA-100",
      "Category": "Embedded Processors & Controllers",
      "Pins": "100"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm32l452vei6"
  ],
  "discovery_pitch": "STM32L452VEI6 (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",
    "stm32l452vei6.kicad_sym",
    "stm32l452vei6.kicad_mod",
    "stm32l452vei6.glb",
    "stm32l452vei6.step",
    "stm32l452vei6.lbr",
    "docs/hero.png",
    "docs/stm32l452vei6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32l452vei6-hero.glb",
    "stm32l452vei6-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}