STM32L476VGT6

{
  "slug": "stm32l476vgt6",
  "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",
    "stm32l476vgt6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32l476vgt6.kicad_sym",
    "stm32l476vgt6.kicad_mod",
    "stm32l476vgt6.glb",
    "stm32l476vgt6.step",
    "stm32l476vgt6.lbr",
    "docs/hero.png",
    "docs/stm32l476vgt6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32l476vgt6-hero.glb",
    "stm32l476vgt6-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32L476VGT6",
    "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/8570944214458966016",
    "parts": {
      "symbol": "stm32l476vgt6.kicad_sym",
      "footprint": "stm32l476vgt6.kicad_mod",
      "model_3d": "stm32l476vgt6-hero.glb",
      "model_3d_plain": "stm32l476vgt6.glb",
      "model_3d_step": "stm32l476vgt6-etched.step",
      "model_3d_step_plain": "stm32l476vgt6.step",
      "lbr": "stm32l476vgt6.lbr"
    },
    "distributor_links": {
      "lcsc": 83181,
      "digikey": "497-15873-ND",
      "mouser": "511-STM32L476VGT6"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T22:42:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-15873-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L476VGT6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions TRACECK, TIM3_ETR, TSC_G7_IO1, LCD_SEG38, FMC_A23, SAI1_MCLK_A, EVENTOUT."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions TRACED0, TIM3_CH1, TSC_G7_IO2, LCD_SEG39, FMC_A19, SAI1_SD_B, EVENTOUT."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions TRACED1, TIM3_CH2, DFSDM1_DATIN3, TSC_G7_IO3, FMC_A20, SAI1_FS_A, EVENTOUT."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions TRACED2, TIM3_CH3, DFSDM1_CKIN3, TSC_G7_IO4, FMC_A21, SAI1_SCK_A, EVENTOUT."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions TRACED3, TIM3_CH4, FMC_A22, SAI1_SD_A, EVENTOUT; additional function RTC_TAMP3/WKUP3."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup supply for RTC and backup registers; operating range 1.55 V to 3.6 V."
      },
      {
        "number": "7",
        "name": "PC13",
        "type": "bidirectional",
        "description": "FT I/O supplied through the power switch (sinks max 3 mA), so output use is limited to 2 MHz with 30 pF max load and no current-source use; additional functions RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN (PC14)",
        "type": "bidirectional",
        "description": "FT I/O supplied through the power switch (3 mA limit, 2 MHz / 30 pF max in output mode); additional function OSC32_IN for the 32.768 kHz LSE crystal."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT (PC15)",
        "type": "bidirectional",
        "description": "FT I/O supplied through the power switch (3 mA limit, 2 MHz / 30 pF max in output mode); additional function OSC32_OUT for the 32.768 kHz LSE crystal."
      },
      {
        "number": "10",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply pin."
      },
      {
        "number": "11",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin; standard operating range 1.71 V to 3.6 V."
      },
      {
        "number": "12",
        "name": "PH0-OSC_IN (PH0)",
        "type": "bidirectional",
        "description": "FT I/O; additional function OSC_IN for the 4 to 48 MHz HSE crystal oscillator; alternate function EVENTOUT."
      },
      {
        "number": "13",
        "name": "PH1-OSC_OUT (PH1)",
        "type": "bidirectional",
        "description": "FT I/O; additional function OSC_OUT for the 4 to 48 MHz HSE crystal oscillator; alternate function EVENTOUT."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up resistor (25 to 55 kOhm, 40 kOhm typ)."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "FT_fla I/O; alternate functions LPTIM1_IN1, I2C3_SCL, DFSDM1_DATIN4, LPUART1_RX, LCD_SEG18, LPTIM2_IN1, EVENTOUT; analog ADC123_IN1."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "FT_fla I/O; alternate functions LPTIM1_OUT, I2C3_SDA, DFSDM1_CKIN4, LPUART1_TX, LCD_SEG19, EVENTOUT; analog ADC123_IN2."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "FT_la I/O; alternate functions LPTIM1_IN2, SPI2_MISO, DFSDM1_CKOUT, LCD_SEG20, EVENTOUT; analog ADC123_IN3."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "FT_a I/O; alternate functions LPTIM1_ETR, SPI2_MOSI, LCD_VLCD, SAI1_SD_A, LPTIM2_ETR, EVENTOUT; analog ADC123_IN4."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground supply pin."
      },
      {
        "number": "20",
        "name": "VREF-",
        "type": "power_in",
        "description": "Negative ADC/DAC reference voltage input, connected to VSSA."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive reference voltage pin; also VREFBUF_OUT; ADC VREF+ is 2 V to VDDA when VDDA is at least 2 V."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply; 1.62 V min when ADC or COMP used, 1.8 V min for DAC or OPAMP, 2.4 V min for VREFBUF, 3.6 V max."
      },
      {
        "number": "23",
        "name": "PA0",
        "type": "bidirectional",
        "description": "FT_a I/O; alternate functions TIM2_CH1, TIM5_CH1, TIM8_ETR, USART2_CTS, UART4_TX, SAI1_EXTCLK, TIM2_ETR, EVENTOUT; analog OPAMP1_VINP, ADC12_IN5, RTC_TAMP2/WKUP1."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "FT_la I/O; alternate functions TIM2_CH2, TIM5_CH2, USART2_RTS_DE, UART4_RX, LCD_SEG0, TIM15_CH1N, EVENTOUT; analog OPAMP1_VINM, ADC12_IN6."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "FT_la I/O; alternate functions TIM2_CH3, TIM5_CH3, USART2_TX, LCD_SEG1, SAI2_EXTCLK, TIM15_CH1, EVENTOUT; analog ADC12_IN7, WKUP4/LSCO."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "TT_la I/O; alternate functions TIM2_CH4, TIM5_CH4, USART2_RX, LCD_SEG2, TIM15_CH2, EVENTOUT; analog OPAMP1_VOUT, ADC12_IN8."
      },
      {
        "number": "27",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply pin."
      },
      {
        "number": "28",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin; standard operating range 1.71 V to 3.6 V."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "TT_a I/O; alternate functions SPI1_NSS, SPI3_NSS, USART2_CK, SAI1_FS_B, LPTIM2_OUT, EVENTOUT; analog ADC12_IN9, DAC1_OUT1."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "TT_a I/O; alternate functions TIM2_CH1, TIM2_ETR, TIM8_CH1N, SPI1_SCK, LPTIM2_ETR, EVENTOUT; analog ADC12_IN10, DAC1_OUT2."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "FT_la I/O; alternate functions TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO, USART3_CTS, QUADSPI_BK1_IO3, LCD_SEG3, TIM16_CH1, EVENTOUT; analog OPAMP2_VINP, ADC12_IN11."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "FT_la I/O; alternate functions TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, QUADSPI_BK1_IO2, LCD_SEG4, TIM17_CH1, EVENTOUT; analog OPAMP2_VINM, ADC12_IN12."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "FT_la I/O; alternate functions USART3_TX, LCD_SEG22, EVENTOUT; analog COMP1_INM, ADC12_IN13."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "FT_la I/O; alternate functions USART3_RX, LCD_SEG23, EVENTOUT; analog COMP1_INP, ADC12_IN14, WKUP5."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "TT_la I/O; alternate functions TIM1_CH2N, TIM3_CH3, TIM8_CH2N, USART3_CK, QUADSPI_BK1_IO1, LCD_SEG5, COMP1_OUT, EVENTOUT; analog OPAMP2_VOUT, ADC12_IN15."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "FT_la I/O; alternate functions TIM1_CH3N, TIM3_CH4, TIM8_CH3N, DFSDM1_DATIN0, USART3_RTS_DE, QUADSPI_BK1_IO0, LCD_SEG6, LPTIM2_IN1, EVENTOUT; analog COMP1_INM, ADC12_IN16."
      },
      {
        "number": "37",
        "name": "PB2",
        "type": "bidirectional",
        "description": "FT_a I/O; alternate functions RTC_OUT, LPTIM1_OUT, I2C3_SMBA, DFSDM1_CKIN0, EVENTOUT; analog COMP1_INP."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions TIM1_ETR, DFSDM1_DATIN2, FMC_D4, SAI1_SD_B, EVENTOUT."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions TIM1_CH1N, DFSDM1_CKIN2, FMC_D5, SAI1_SCK_B, EVENTOUT."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions TIM1_CH1, DFSDM1_CKOUT, FMC_D6, SAI1_FS_B, EVENTOUT."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions TIM1_CH2N, DFSDM1_DATIN4, TSC_G5_IO1, QUADSPI_CLK, FMC_D7, SAI1_MCLK_B, EVENTOUT."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions TIM1_CH2, DFSDM1_CKIN4, TSC_G5_IO2, QUADSPI_NCS, FMC_D8, EVENTOUT."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions TIM1_CH3N, SPI1_NSS, DFSDM1_DATIN5, TSC_G5_IO3, QUADSPI_BK1_IO0, FMC_D9, EVENTOUT."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions TIM1_CH3, SPI1_SCK, DFSDM1_CKIN5, TSC_G5_IO4, QUADSPI_BK1_IO1, FMC_D10, EVENTOUT."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions TIM1_CH4, TIM1_BKIN2, TIM1_BKIN2_COMP2, SPI1_MISO, QUADSPI_BK1_IO2, FMC_D11, EVENTOUT."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions TIM1_BKIN, TIM1_BKIN_COMP1, SPI1_MOSI, QUADSPI_BK1_IO3, FMC_D12, EVENTOUT."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "FT_fl I/O, Fm+ capable; alternate functions TIM2_CH3, I2C2_SCL, SPI2_SCK, DFSDM1_DATIN7, USART3_TX, LPUART1_RX, QUADSPI_CLK, LCD_SEG10, COMP1_OUT, SAI1_SCK_A, EVENTOUT."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "FT_fl I/O, Fm+ capable; alternate functions TIM2_CH4, I2C2_SDA, DFSDM1_CKIN7, USART3_RX, LPUART1_TX, QUADSPI_NCS, LCD_SEG11, COMP2_OUT, EVENTOUT."
      },
      {
        "number": "49",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply pin."
      },
      {
        "number": "50",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin; standard operating range 1.71 V to 3.6 V."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions TIM1_BKIN, I2C2_SMBA, SPI2_NSS, DFSDM1_DATIN1, USART3_CK, LPUART1_RTS_DE, TSC_G1_IO1, LCD_SEG12, SWPMI1_IO, SAI2_FS_A, TIM15_BKIN, EVENTOUT."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "FT_fl I/O, Fm+ capable; alternate functions TIM1_CH1N, I2C2_SCL, SPI2_SCK, DFSDM1_CKIN1, USART3_CTS, LPUART1_CTS, TSC_G1_IO2, LCD_SEG13, SWPMI1_TX, SAI2_SCK_A, TIM15_CH1N, EVENTOUT."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "FT_fl I/O, Fm+ capable; alternate functions TIM1_CH2N, TIM8_CH2N, I2C2_SDA, SPI2_MISO, DFSDM1_DATIN2, USART3_RTS_DE, TSC_G1_IO3, LCD_SEG14, SWPMI1_RX, SAI2_MCLK_A, TIM15_CH1, EVENTOUT."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions RTC_REFIN, TIM1_CH3N, TIM8_CH3N, SPI2_MOSI, DFSDM1_CKIN2, TSC_G1_IO4, LCD_SEG15, SWPMI1_SUSPEND, SAI2_SD_A, TIM15_CH2, EVENTOUT."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions USART3_TX, LCD_SEG28, FMC_D13, EVENTOUT."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions USART3_RX, LCD_SEG29, FMC_D14, SAI2_MCLK_A, EVENTOUT."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions USART3_CK, TSC_G6_IO1, LCD_SEG30, FMC_D15, SAI2_SCK_A, EVENTOUT."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions USART3_CTS, TSC_G6_IO2, LCD_SEG31, FMC_A16, SAI2_SD_A, LPTIM2_ETR, EVENTOUT."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions TIM4_CH1, USART3_RTS_DE, TSC_G6_IO3, LCD_SEG32, FMC_A17, SAI2_FS_A, LPTIM2_IN1, EVENTOUT."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions TIM4_CH2, TSC_G6_IO4, LCD_SEG33, FMC_A18, LPTIM2_OUT, EVENTOUT."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions TIM4_CH3, LCD_SEG34, FMC_D0, EVENTOUT."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions TIM4_CH4, LCD_SEG35, FMC_D1, EVENTOUT."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions TIM3_CH1, TIM8_CH1, DFSDM1_CKIN3, TSC_G4_IO1, LCD_SEG24, SDMMC1_D6, SAI2_MCLK_A, EVENTOUT."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions TIM3_CH2, TIM8_CH2, DFSDM1_DATIN3, TSC_G4_IO2, LCD_SEG25, SDMMC1_D7, SAI2_MCLK_B, EVENTOUT."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions TIM3_CH3, TIM8_CH3, TSC_G4_IO3, LCD_SEG26, SDMMC1_D0, EVENTOUT."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions TIM8_BKIN2, TIM3_CH4, TIM8_CH4, TSC_G4_IO4, OTG_FS_NOE, LCD_SEG27, SDMMC1_D1, SAI2_EXTCLK, TIM8_BKIN2_COMP1, EVENTOUT."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions MCO, TIM1_CH1, USART1_CK, OTG_FS_SOF, LCD_COM0, LPTIM2_OUT, EVENTOUT."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "FT_lu I/O supplied by VDDUSB for USB function; alternate functions TIM1_CH2, USART1_TX, LCD_COM1, TIM15_BKIN, EVENTOUT; additional function OTG_FS_VBUS."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "FT_lu I/O supplied by VDDUSB for USB function; alternate functions TIM1_CH3, USART1_RX, OTG_FS_ID, LCD_COM2, TIM17_BKIN, EVENTOUT."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "FT_u I/O supplied by VDDUSB; alternate functions TIM1_CH4, TIM1_BKIN2, USART1_CTS, CAN1_RX, OTG_FS_DM (USB D-), TIM1_BKIN2_COMP1, EVENTOUT."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "FT_u I/O supplied by VDDUSB; alternate functions TIM1_ETR, USART1_RTS_DE, CAN1_TX, OTG_FS_DP (USB D+), EVENTOUT."
      },
      {
        "number": "72",
        "name": "PA13 (JTMS-SWDIO)",
        "type": "bidirectional",
        "description": "FT I/O configured after reset as JTMS-SWDIO debug pin with internal pull-up active; alternate functions IR_OUT, OTG_FS_NOE, EVENTOUT."
      },
      {
        "number": "73",
        "name": "VDDUSB",
        "type": "power_in",
        "description": "USB supply; 3.0 V to 3.6 V when USB is used, 0 to 3.6 V when not used."
      },
      {
        "number": "74",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply pin."
      },
      {
        "number": "75",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin; standard operating range 1.71 V to 3.6 V."
      },
      {
        "number": "76",
        "name": "PA14 (JTCK-SWCLK)",
        "type": "bidirectional",
        "description": "FT I/O configured after reset as JTCK-SWCLK debug pin with internal pull-down active; alternate function EVENTOUT."
      },
      {
        "number": "77",
        "name": "PA15 (JTDI)",
        "type": "bidirectional",
        "description": "FT_l I/O configured after reset as JTDI with internal pull-up active; alternate functions TIM2_CH1, TIM2_ETR, SPI1_NSS, SPI3_NSS, UART4_RTS_DE, TSC_G3_IO1, LCD_SEG17, SAI2_FS_B, EVENTOUT."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions SPI3_SCK, USART3_TX, UART4_TX, TSC_G3_IO2, LCD_COM4/LCD_SEG28/LCD_SEG40, SDMMC1_D2, SAI2_SCK_B, EVENTOUT."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions SPI3_MISO, USART3_RX, UART4_RX, TSC_G3_IO3, LCD_COM5/LCD_SEG29/LCD_SEG41, SDMMC1_D3, SAI2_MCLK_B, EVENTOUT."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions SPI3_MOSI, USART3_CK, UART5_TX, TSC_G3_IO4, LCD_COM6/LCD_SEG30/LCD_SEG42, SDMMC1_CK, SAI2_SD_B, EVENTOUT."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions SPI2_NSS, DFSDM1_DATIN7, CAN1_RX, FMC_D2, EVENTOUT."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions SPI2_SCK, DFSDM1_CKIN7, CAN1_TX, FMC_D3, EVENTOUT."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions TIM3_ETR, USART3_RTS_DE, UART5_RX, TSC_SYNC, LCD_COM7/LCD_SEG31/LCD_SEG43, SDMMC1_CMD, EVENTOUT."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions SPI2_MISO, DFSDM1_DATIN0, USART2_CTS, FMC_CLK, EVENTOUT."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions SPI2_MOSI, DFSDM1_CKIN0, USART2_RTS_DE, FMC_NOE, EVENTOUT."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions USART2_TX, FMC_NWE, EVENTOUT."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions DFSDM1_DATIN1, USART2_RX, FMC_NWAIT, SAI1_SD_A, EVENTOUT."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "FT I/O; alternate functions DFSDM1_CKIN1, USART2_CK, FMC_NE1, EVENTOUT."
      },
      {
        "number": "89",
        "name": "PB3 (JTDO-TRACESWO)",
        "type": "bidirectional",
        "description": "FT_la I/O configured after reset as JTDO-TRACESWO; alternate functions TIM2_CH2, SPI1_SCK, SPI3_SCK, USART1_RTS_DE, LCD_SEG7, SAI1_SCK_B, EVENTOUT; analog COMP2_INM."
      },
      {
        "number": "90",
        "name": "PB4 (NJTRST)",
        "type": "bidirectional",
        "description": "FT_la I/O configured after reset as NJTRST with internal pull-up active; alternate functions TIM3_CH1, SPI1_MISO, SPI3_MISO, USART1_CTS, UART5_RTS_DE, TSC_G2_IO1, LCD_SEG8, SAI1_MCLK_B, TIM17_BKIN, EVENTOUT; analog COMP2_INP."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "FT_la I/O; alternate functions LPTIM1_IN1, TIM3_CH2, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI, USART1_CK, UART5_CTS, TSC_G2_IO2, LCD_SEG9, COMP2_OUT, SAI1_SD_B, TIM16_BKIN, EVENTOUT."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "FT_fa I/O, Fm+ capable; alternate functions LPTIM1_ETR, TIM4_CH1, TIM8_BKIN2, I2C1_SCL, DFSDM1_DATIN5, USART1_TX, TSC_G2_IO3, TIM8_BKIN2_COMP2, SAI1_FS_B, TIM16_CH1N, EVENTOUT; analog COMP2_INP."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "FT_fla I/O, Fm+ capable; alternate functions LPTIM1_IN2, TIM4_CH2, TIM8_BKIN, I2C1_SDA, DFSDM1_CKIN5, USART1_RX, UART4_CTS, TSC_G2_IO4, LCD_SEG21, FMC_NL, TIM17_CH1N, EVENTOUT; analog COMP2_INM, PVD_IN."
      },
      {
        "number": "94",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated boot mode selection input; input voltage range 0 to 9 V, VIL max 0.17xVDDIOx and VIH min 0.77xVDDIOx."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "FT_fl I/O, Fm+ capable; alternate functions TIM4_CH3, I2C1_SCL, DFSDM1_DATIN6, CAN1_RX, LCD_SEG16, SDMMC1_D4, SAI1_MCLK_A, TIM16_CH1, EVENTOUT."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "FT_fl I/O, Fm+ capable; alternate functions IR_OUT, TIM4_CH4, I2C1_SDA, SPI2_NSS, DFSDM1_CKIN6, CAN1_TX, LCD_COM3, SDMMC1_D5, SAI1_FS_A, TIM17_CH1, EVENTOUT."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions TIM4_ETR, LCD_SEG36, FMC_NBL0, TIM16_CH1, EVENTOUT."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "FT_l I/O; alternate functions LCD_SEG37, FMC_NBL1, TIM17_CH1, EVENTOUT."
      },
      {
        "number": "99",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply pin."
      },
      {
        "number": "100",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin; standard operating range 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-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 96,
        "cost_usd": 0.658,
        "at": "2026-10-05T22:41:32"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8570944214458966016",
        "pages": 262,
        "sha256": "6de7ca90cf648b18",
        "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"
    }
  }
}