STM32L4R5VIT6

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32l4r5vit6",
  "title": "STM32L4R5VIT6",
  "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",
    "stm32l4r5vit6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32L4R5VIT6",
    "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/8590908273653084160",
    "parts": {
      "symbol": "stm32l4r5vit6.kicad_sym",
      "footprint": "stm32l4r5vit6.kicad_mod",
      "model_3d": "stm32l4r5vit6-hero.glb",
      "model_3d_plain": "stm32l4r5vit6.glb",
      "model_3d_step": "stm32l4r5vit6-etched.step",
      "model_3d_step_plain": "stm32l4r5vit6.step",
      "lbr": "stm32l4r5vit6.lbr"
    },
    "distributor_links": {
      "lcsc": "C2969771",
      "digikey": "497-18605-ND",
      "mouser": "511-STM32L4R5VIT6"
    },
    "distributor_check": {
      "checked_at": "2026-10-12T11:58:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-18605-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L4R5VIT6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with LCD function supplied by VLCD; alternate functions include TRACECK, TIM3_ETR, SAI1_CK1 and FMC_A23."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with LCD function supplied by VLCD; alternate functions include TRACED0, TIM3_CH1, OCTOSPIM_P1_DQS and FMC_A19."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TRACED1, TIM3_CH2, DFSDM1_DATIN3, DCMI_D4 and FMC_A20."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TRACED2, TIM3_CH3, SAI1_CK2, DCMI_D6 and FMC_A21."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TRACED3, TIM3_CH4, SAI1_D1, DCMI_D7 and FMC_A22, with RTC_TAMP3/WKUP3 as additional functions."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup supply from 1.55 V to 3.6 V for the RTC, the 32 kHz oscillator and the backup registers when VDD is not present."
      },
      {
        "number": "7",
        "name": "PC13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) supplied through the power switch, which sinks only 3 mA, so output speed must not exceed 2 MHz at 30 pF maximum load and the pin must not be used as a current source such as an LED driver."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) supplied through the power switch with the same 3 mA, 2 MHz and 30 pF limits as PC13, also serving as the 32 kHz LSE oscillator input OSC32_IN."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO (FT) supplied through the power switch with the same 3 mA, 2 MHz and 30 pF limits as PC13, also serving as the 32 kHz LSE oscillator output OSC32_OUT."
      },
      {
        "number": "10",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all main power and ground pins must always be connected to the external supply within the permitted range."
      },
      {
        "number": "11",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply from 1.71 V to 3.6 V for the I/Os, the internal regulator and the system analog blocks."
      },
      {
        "number": "12",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that serves as the crystal oscillator input OSC_IN for the 4 to 48 MHz crystal oscillator."
      },
      {
        "number": "13",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that serves as the crystal oscillator output OSC_OUT for the 4 to 48 MHz crystal oscillator."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up resistor."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with LCD function supplied by VLCD and analog switch function supplied by VDDA; ADC1_IN1 is an additional function."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with LCD function supplied by VLCD and analog switch function supplied by VDDA; ADC1_IN2 is an additional function."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with LCD function supplied by VLCD and analog switch function supplied by VDDA; ADC1_IN3 is an additional function."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with analog switch function supplied by VDDA; ADC1_IN4 is an additional function."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC, DAC, comparators, operational amplifiers and voltage reference buffer."
      },
      {
        "number": "20",
        "name": "VREF-",
        "type": "power_in",
        "description": "Negative reference voltage for the ADCs and DACs; it must always be equal to VSSA."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive reference input for the ADCs and DACs that must equal VDDA when VDDA is below 2 V and lie between 2 V and VDDA when VDDA is 2 V or above; it is also the internal voltage reference buffer output (VREFBUF_OUT) when enabled."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply from 1.62 V (ADC/COMP), 1.8 V (DAC/OPAMP) or 2.4 V (VREFBUF) up to 3.6 V, independent of VDD and preferably connected to VDD when analog peripherals are unused."
      },
      {
        "number": "23",
        "name": "PA0",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with analog switch function supplied by VDDA; OPAMP1_VINP and ADC1_IN5 are additional functions."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with LCD function supplied by VLCD and analog switch function supplied by VDDA; OPAMP1_VINM and ADC1_IN6 are additional functions."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with LCD function supplied by VLCD and analog switch function supplied by VDDA; ADC1_IN7 and WKUP4/LSCO are additional functions."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.6 V-tolerant I/O (TT) with analog switch function supplied by VDDA; OPAMP1_VOUT and ADC1_IN8 are additional functions."
      },
      {
        "number": "27",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all main power and ground pins must always be connected to the external supply within the permitted range."
      },
      {
        "number": "28",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply from 1.71 V to 3.6 V for the I/Os, the internal regulator and the system analog blocks."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.6 V-tolerant I/O (TT) with analog switch function supplied by VDDA; ADC1_IN9 and DAC1_OUT1 are additional functions."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.6 V-tolerant I/O (TT) with analog switch function supplied by VDDA; ADC1_IN10 and DAC1_OUT2 are additional functions."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with analog switch function supplied by VDDA; OPAMP2_VINP and ADC1_IN11 are additional functions."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with LCD function supplied by VLCD and analog switch function supplied by VDDA; OPAMP2_VINM and ADC1_IN12 are additional functions."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with analog switch function supplied by VDDA; COMP1_INM and ADC1_IN13 are additional functions."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with analog switch function supplied by VDDA; COMP1_INP, ADC1_IN14 and WKUP5 are additional functions."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "3.6 V-tolerant I/O (TT) with LCD function supplied by VLCD and analog switch function supplied by VDDA; OPAMP2_VOUT and ADC1_IN15 are additional functions."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with analog switch function supplied by VDDA; COMP1_INM and ADC1_IN16 are additional functions."
      },
      {
        "number": "37",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with analog switch function supplied by VDDA; COMP1_INP is an additional function."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM1_ETR, DFSDM1_DATIN2, LCD_B6, FMC_D4 and SAI1_SD_B."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM1_CH1N, DFSDM1_CKIN2, LCD_B7, FMC_D5 and SAI1_SCK_B."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM1_CH1, DFSDM1_CKOUT, LCD_G2, FMC_D6 and SAI1_FS_B."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM1_CH2N, DFSDM1_DATIN4, TSC_G5_IO1, OCTOSPIM_P1_CLK and FMC_D7."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM1_CH2, DFSDM1_CKIN4, TSC_G5_IO2, OCTOSPIM_P1_NCS and FMC_D8."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM1_CH3N, SPI1_NSS, DFSDM1_DATIN5, TSC_G5_IO3 and FMC_D9."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM1_CH3, SPI1_SCK, DFSDM1_CKIN5, TSC_G5_IO4 and FMC_D10."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM1_CH4, TIM1_BKIN2, SPI1_MISO, OCTOSPIM_P1_IO2 and FMC_D11."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM1_BKIN, SPI1_MOSI, OCTOSPIM_P1_IO3, LCD_R2 and FMC_D12."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with LCD function supplied by VLCD; alternate functions include TIM2_CH3, I2C4_SCL, I2C2_SCL, SPI2_SCK and USART3_TX."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with LCD function supplied by VLCD; alternate functions include TIM2_CH4, I2C4_SDA, I2C2_SDA and USART3_RX, with COMP2_OUT as an additional function."
      },
      {
        "number": "49",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all main power and ground pins must always be connected to the external supply within the permitted range."
      },
      {
        "number": "50",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply from 1.71 V to 3.6 V for the I/Os, the internal regulator and the system analog blocks."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM1_BKIN, I2C2_SMBA, SPI2_NSS, DFSDM1_DATIN1 and USART3_CK."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with LCD function supplied by VLCD; alternate functions include TIM1_CH1N, I2C2_SCL, SPI2_SCK and USART3_CTS_NSS."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with LCD function supplied by VLCD; alternate functions include TIM1_CH2N, I2C2_SDA, SPI2_MISO and USART3_RTS_DE."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM1_CH3N, SPI2_MOSI, TSC_G1_IO4 and SAI2_SD_A, with RTC_REFIN as an additional function."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include USART3_TX, DCMI_HSYNC, LCD_R3 and FMC_D13."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include USART3_RX, DCMI_PIXCLK, LCD_R4, FMC_D14 and SAI2_MCLK_A."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include USART3_CK, TSC_G6_IO1, LCD_R5, FMC_D15 and SAI2_SCK_A."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include I2C4_SMBA, USART3_CTS_NSS, TSC_G6_IO2, LCD_R6 and FMC_A16."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with LCD function supplied by VLCD; alternate functions include TIM4_CH1, I2C4_SCL, USART3_RTS_DE and FMC_A17."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with LCD function supplied by VLCD; alternate functions include TIM4_CH2, I2C4_SDA, TSC_G6_IO4 and FMC_A18."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM4_CH3, LCD_B2 and FMC_D0."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM4_CH4, LCD_B3 and FMC_D1."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM3_CH1, TIM8_CH1, DFSDM1_CKIN3, SDMMC1_D0DIR and DCMI_D0."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM3_CH2, TIM8_CH2, DFSDM1_DATIN3, SDMMC1_D123DIR and DCMI_D1."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM3_CH3, TIM8_CH3, TSC_G4_IO3, DCMI_D2 and SDMMC1_D0."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with LCD function supplied by VLCD; alternate functions include TRACED0, TIM8_BKIN2, TIM3_CH4, TIM8_CH4 and DCMI_D3."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable; alternate functions include MCO, TIM1_CH1, SAI1_CK2, USART1_CK and OTG_FS_SOF."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with LCD function supplied by VLCD and USB function supplied by VDDUSB; alternate functions include TIM1_CH2, SPI2_SCK, DCMI_D0 and USART1_TX, with OTG_FS_VBUS as an additional function."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with LCD function supplied by VLCD and USB function supplied by VDDUSB; alternate functions include TIM1_CH3, SAI1_D1, DCMI_D1 and USART1_RX, with OTG_FS_ID as an additional function."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with USB function supplied by VDDUSB; alternate functions include TIM1_CH4, TIM1_BKIN2, SPI1_MISO, USART1_CTS_NSS, CAN1_RX and OTG_FS_DM."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with USB function supplied by VDDUSB; alternate functions include TIM1_ETR, SPI1_MOSI, USART1_RTS_DE, CAN1_TX and OTG_FS_DP."
      },
      {
        "number": "72",
        "name": "PA13 (JTMS/SWDIO)",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that after reset is the JTMS/SWDIO debug function, with the internal pull-up activated."
      },
      {
        "number": "73",
        "name": "VDDUSB",
        "type": "power_in",
        "description": "USB transceiver supply from 3.0 V to 3.6 V when USB is used (0 to 3.6 V when USB is not used)."
      },
      {
        "number": "74",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all main power and ground pins must always be connected to the external supply within the permitted range."
      },
      {
        "number": "75",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply from 1.71 V to 3.6 V for the I/Os, the internal regulator and the system analog blocks."
      },
      {
        "number": "76",
        "name": "PA14 (JTCK/SWCLK)",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that after reset is the JTCK/SWCLK debug function, with the internal pull-down activated."
      },
      {
        "number": "77",
        "name": "PA15 (JTDI)",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that after reset is the JTDI debug function, with the internal pull-up activated."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TRACED1, SPI3_SCK, USART3_TX, UART4_TX and DCMI_D8."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include DCMI_D2, OCTOSPIM_P1_NCS, SPI3_MISO, USART3_RX and UART4_RX."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TRACED3, SPI3_MOSI, USART3_CK, UART5_TX and DCMI_D9."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include SPI2_NSS, DFSDM1_DATIN7, CAN1_RX, LCD_B4 and FMC_D2."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include SPI2_SCK, DFSDM1_CKIN7, CAN1_TX, LCD_B5 and FMC_D3."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TRACED2, TIM3_ETR, USART3_RTS_DE, UART5_RX, DCMI_D11 and SDMMC1_CMD."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include SPI2_SCK, DCMI_D5, SPI2_MISO, USART2_CTS_NSS, OCTOSPIM_P2_NCS and FMC_CLK."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include SPI2_MOSI, DFSDM1_CKIN0, USART2_RTS_DE, OCTOSPIM_P1_IO4 and FMC_NOE."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include USART2_TX, OCTOSPIM_P1_IO5 and FMC_NWE."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include SAI1_D1, DCMI_D10, SPI3_MOSI, DFSDM1_DATIN1, USART2_RX, LCD_DE and FMC_NWAIT."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include DFSDM1_CKIN1, USART2_CK, OCTOSPIM_P1_IO7 and FMC_NCE/FMC_NE1."
      },
      {
        "number": "89",
        "name": "PB3 (JTDO/TRACESWO)",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with LCD function supplied by VLCD and analog switch function supplied by VDDA; after reset it is the JTDO/TRACESWO debug function, with COMP2_INM as an additional function."
      },
      {
        "number": "90",
        "name": "PB4 (NJTRST)",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with analog switch function supplied by VDDA; after reset it is the NJTRST debug function with the internal pull-up activated, with COMP2_INP as an additional function."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) with LCD function supplied by VLCD and analog switch function supplied by VDDA; alternate functions include LPTIM1_IN1, TIM3_CH2, I2C1_SMBA, SPI1_MOSI and USART1_CK."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with analog switch function supplied by VDDA; alternate functions include LPTIM1_ETR, TIM4_CH1, I2C1_SCL and USART1_TX, with COMP2_INP as an additional function."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with LCD function supplied by VLCD and analog switch function supplied by VDDA; alternate functions include LPTIM1_IN2, TIM4_CH2, I2C1_SDA and USART1_RX, with COMP2_INM and PVD_IN as additional functions."
      },
      {
        "number": "94",
        "name": "PH3-BOOT0",
        "type": "bidirectional",
        "description": "Dedicated BOOT0 boot-selection pin whose input voltage may range from VSS to 9.0 V, also usable as a 5 V-tolerant I/O (FT) with EVENTOUT."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with LCD function supplied by VLCD; alternate functions include TIM4_CH3, SAI1_CK1, I2C1_SCL, DFSDM1_CKOUT and CAN1_RX."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT) that is Fm+ capable, with LCD function supplied by VLCD; alternate functions include IR_OUT, TIM4_CH4, SAI1_D2, I2C1_SDA, SPI2_NSS and CAN1_TX."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include TIM4_ETR, DCMI_D2, LCD_HSYNC, FMC_NBL0 and TIM16_CH1."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT); alternate functions include DCMI_D3, LCD_VSYNC, FMC_NBL1 and TIM17_CH1."
      },
      {
        "number": "99",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all main power and ground pins must always be connected to the external supply within the permitted range."
      },
      {
        "number": "100",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply from 1.71 V to 3.6 V for the I/Os, the internal regulator and the system analog blocks."
      }
    ],
    "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: Ordering code STM32L4R5VIT6 decodes as 100 pins (V), LQFP (T), 2 Mbyte Flash (I), so the LQFP100 (14; Pin types follow the Table 15 I/O column (I/O mapped to bidirectional). Pin 94 PH3-BOOT0 is printed ; PC13, PC14 and PC15 are supplied through the power switch (3 mA sink limit) and the datasheet limits"
        ],
        "pages_sent": 122,
        "cost_usd": 0.7384,
        "at": "2026-10-12T11:58:17"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590908273653084160",
        "pages": 307,
        "sha256": "049cc34598b1e11a",
        "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": "stm32l4r5vit6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16,
          16,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "51720097260ffba41c3062f85f67623721102fa535901c47cb555a1f444feeb3",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32l4r5vit6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16,
          16,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a066c094ea0cfc3d90a4be9ea788c1c31cd91bd567e3ed280f2b5d5c4db26145",
        "checked": "2026-10-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-100(14x14)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "100"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm32l4r5vit6"
  ],
  "discovery_pitch": "STM32L4R5VIT6 (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",
    "stm32l4r5vit6.kicad_sym",
    "stm32l4r5vit6.kicad_mod",
    "stm32l4r5vit6.glb",
    "stm32l4r5vit6.step",
    "stm32l4r5vit6.lbr",
    "docs/hero.png",
    "docs/stm32l4r5vit6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32l4r5vit6-hero.glb",
    "stm32l4r5vit6-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}