STM32F446VCT6TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32f446vct6tr",
  "title": "STM32F446VCT6TR",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "version": "0.1.1",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32f446vct6tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32F446VCT6TR",
    "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/8590271290918936576",
    "parts": {
      "symbol": "stm32f446vct6tr.kicad_sym",
      "footprint": "stm32f446vct6tr.kicad_mod",
      "model_3d": "stm32f446vct6tr-etched.glb",
      "model_3d_plain": "stm32f446vct6tr.glb",
      "model_3d_step": "stm32f446vct6tr-etched.step",
      "model_3d_step_plain": "stm32f446vct6tr.step",
      "lbr": "stm32f446vct6tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C3209519",
      "digikey": "497-STM32F446VCT6TR-ND",
      "mouser": "511-STM32F446VCT6TR"
    },
    "distributor_check": {
      "checked_at": "2026-09-29T15:17:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32F446VCT6TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F446VCT6TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "GPIO port E pin 2 with 5V tolerant I/O supporting TRACECLK, SPI4_SCK, SAI1_MCLK_A, QUADSPI_BK1_IO2, and FMC_A23 alternate functions."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "GPIO port E pin 3 with 5V tolerant I/O supporting TRACED0, SAI1_SD_B, and FMC_A19 alternate functions."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "GPIO port E pin 4 with 5V tolerant I/O supporting TRACED1, SPI4_NSS, SAI1_FS_A, FMC_A20, and DCMI_D4 alternate functions."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "GPIO port E pin 5 with 5V tolerant I/O supporting TRACED2, TIM9_CH1, SPI4_MISO, SAI1_SCK_A, FMC_A21, and DCMI_D6 alternate functions."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "GPIO port E pin 6 with 5V tolerant I/O supporting TRACED3, TIM9_CH2, SPI4_MOSI, SAI1_SD_A, FMC_A22, and DCMI_D7 alternate functions."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Supply input pin for real-time clock and backup memory, accepts 1.7 to 3.6 V, referenced at 20×32 bit backup registers and optional 4 KB backup SRAM."
      },
      {
        "number": "7",
        "name": "PC13",
        "type": "bidirectional",
        "description": "GPIO port C pin 13 with 5V tolerant I/O supporting EVENTOUT and TAMP_1/WKUP1 alternate functions."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO port C pin 14 with 5V tolerant I/O configured for 32 kHz oscillator input, supports EVENTOUT alternate function."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO port C pin 15 with 5V tolerant I/O configured for 32 kHz oscillator output, supports EVENTOUT alternate function."
      },
      {
        "number": "10",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply pin, reference potential for all circuits."
      },
      {
        "number": "11",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input pin, accepts 1.7 to 3.6 V for main digital I/O supply."
      },
      {
        "number": "12",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "GPIO port H pin 0 with 5V tolerant I/O configured for main oscillator input with 4 to 26 MHz crystal capability."
      },
      {
        "number": "13",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "GPIO port H pin 1 with 5V tolerant I/O configured for main oscillator output."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "input",
        "description": "System reset input/output pin with weak pull-up resistor, detects external reset signals and triggers device reset."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO port C pin 0 with 5V tolerant I/O supporting SAI1_MCLK_B, OTG_HS_ULPI_STP, and FMC_SDNWE alternate functions."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO port C pin 1 with 5V tolerant I/O supporting SPI3/I2S3_SD, SAI1_SD_A, SPI2/I2S2_SD alternate functions."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO port C pin 2 with 5V tolerant I/O supporting SPI2_MISO, OTG_HS_ULPI_DIR, and FMC_SDNE0 alternate functions."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO port C pin 3 with 5V tolerant I/O supporting SPI2/I2S2_SD, OTG_HS_ULPI_NXT, and FMC_SDCKE0 alternate functions."
      },
      {
        "number": "19",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input pin, accepts 1.7 to 3.6 V for main digital I/O supply."
      },
      {
        "number": "20",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground supply pin, reference potential for analog circuits."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_in",
        "description": "Reference voltage supply pin for analog functions including ADC, accepts 1.7 to 3.6 V."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply input pin, accepts 1.7 to 3.6 V for analog circuit operation."
      },
      {
        "number": "23",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "GPIO port A pin 0 with 5V tolerant I/O, supports wakeup/external interrupt capability and TIM2/TIM5/TIM8 alternate functions."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO port A pin 1 with 5V tolerant I/O supporting TIM2_CH2, TIM5_CH2, USART2_RTS, UART4_RX, QUADSPI_BK1_IO3, and SAI2_MCLK_B alternate functions."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO port A pin 2 with 5V tolerant I/O supporting TIM2_CH3, TIM5_CH3, TIM9_CH1, USART2_TX, and SAI2_SCK_B alternate functions."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO port A pin 3 with 5V tolerant I/O supporting TIM2_CH4, TIM5_CH4, TIM9_CH2, SAI1_FS_A, USART2_RX, and OTG_HS_ULPI_D0 alternate functions."
      },
      {
        "number": "27",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply pin, reference potential for all circuits."
      },
      {
        "number": "28",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input pin, accepts 1.7 to 3.6 V for main digital I/O supply."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO port A pin 4 with 3.3V tolerant I/O directly connected to ADC, supports SPI1/I2S1_WS, SPI3/I2S3_WS, USART2_CK, OTG_HS_SOF, and DCMI_HSYNC alternate functions."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO port A pin 5 with 3.3V tolerant I/O directly connected to ADC, supports TIM2/TIM8_CH1N, SPI1_SCK/I2S1_CK, and OTG_HS_ULPI_CK alternate functions."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO port A pin 6 with 5V tolerant I/O supporting TIM1/TIM3/TIM8/TIM13 and SPI1_MISO alternate functions."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO port A pin 7 with 5V tolerant I/O supporting TIM1/TIM3/TIM8/TIM14 and SPI1/I2S1_SD alternate functions."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO port C pin 4 with 5V tolerant I/O supporting I2S1_MCK, SPDIFRX_IN2, and FMC_SDNE0 alternate functions."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO port C pin 5 with 5V tolerant I/O supporting USART3_RX, SPDIFRX_IN3, and FMC_SDCKE0 alternate functions."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO port B pin 0 with 5V tolerant I/O supporting TIM1/TIM3/TIM8, SPI3/I2S3_SD, UART4_CTS, OTG_HS_ULPI_D1, and SDIO_D1 alternate functions."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO port B pin 1 with 5V tolerant I/O supporting TIM1/TIM3/TIM8, OTG_HS_ULPI_D2, and SDIO_D2 alternate functions."
      },
      {
        "number": "37",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Dedicated BOOT1 pin for selecting boot mode during power-up or reset, also GPIO with 5V tolerant I/O supporting TIM2_CH4, SAI1_SD_A, SPI3/I2S3_SD, and QUADSPI_CLK alternate functions."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "GPIO port E pin 7 with 5V tolerant I/O supporting TIM1_ETR, UART5_RX, QUADSPI_BK2_IO0, and FMC_D4 alternate functions."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "GPIO port E pin 8 with 5V tolerant I/O supporting TIM1_CH1N, UART5_TX, QUADSPI_BK2_IO1, and FMC_D5 alternate functions."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "GPIO port E pin 9 with 5V tolerant I/O supporting TIM1_CH1, QUADSPI_BK2_IO2, and FMC_D6 alternate functions."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "GPIO port E pin 10 with 5V tolerant I/O supporting TIM1_CH2N, QUADSPI_BK2_IO3, and FMC_D7 alternate functions."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "GPIO port E pin 11 with 5V tolerant I/O supporting TIM1_CH2, SPI4_NSS, SAI2_SD_B, and FMC_D8 alternate functions."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "GPIO port E pin 12 with 5V tolerant I/O supporting TIM1_CH3N, SPI4_SCK, SAI2_SCK_B, and FMC_D9 alternate functions."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "GPIO port E pin 13 with 5V tolerant I/O supporting TIM1_CH3, SPI4_MISO, SAI2_FS_B, and FMC_D10 alternate functions."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "GPIO port E pin 14 with 5V tolerant I/O supporting TIM1_CH4, SPI4_MOSI, SAI2_MCLK_B, and FMC_D11 alternate functions."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "GPIO port E pin 15 with 5V tolerant I/O supporting TIM1_BKIN and FMC_D12 alternate functions."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO port B pin 10 with 5V tolerant I/O supporting TIM2_CH3, I2C2_SCL, SPI2/I2S2_CK, SAI1_SCK_A, USART3_TX, and OTG_HS_ULPI_D3 alternate functions."
      },
      {
        "number": "48",
        "name": "VCAP_1",
        "type": "power_in",
        "description": "Capacitor connection pin for internal voltage regulator, connect 100 nF capacitor between VCAP_1 and ground."
      },
      {
        "number": "49",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply pin, reference potential for all circuits."
      },
      {
        "number": "50",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input pin, accepts 1.7 to 3.6 V for main digital I/O supply."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO port B pin 12 with 5V tolerant I/O supporting TIM1_BKIN, I2C2_SMBA, SPI2/I2S2_WS, SAI1_SCK_B, USART3_CK, CAN2_RX, and OTG_HS_ULPI_D5/OTG_HS_ID alternate functions."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO port B pin 13 with 5V tolerant I/O supporting TIM1_CH1N, SPI2/I2S2_CK, USART3_CTS, CAN2_TX, OTG_HS_ULPI_D6 alternate functions and OTG_HS_VBUS input."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO port B pin 14 with 5V tolerant I/O powered by VDDUSB, supporting TIM1/TIM8_CH2N, SPI2_MISO, USART3_RTS, TIM12_CH1, and OTG_HS_DM alternate functions."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO port B pin 15 with 5V tolerant I/O powered by VDDUSB, supporting RTC_REFIN, TIM1/TIM8_CH3N, SPI2/I2S2_SD, TIM12_CH2, and OTG_HS_DP alternate functions."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "GPIO port D pin 8 with 5V tolerant I/O supporting USART3_TX, SPDIFRX_IN1, and FMC_D13 alternate functions."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "GPIO port D pin 9 with 5V tolerant I/O supporting USART3_RX and FMC_D14 alternate functions."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "GPIO port D pin 10 with 5V tolerant I/O supporting USART3_CK and FMC_D15 alternate functions."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "GPIO port D pin 11 with 5V tolerant I/O supporting FMPI2C1_SMBA, USART3_CTS, QUADSPI_BK1_IO0, SAI2_SD_A, and FMC_A16 alternate functions."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "GPIO port D pin 12 with 5V tolerant I/O and I2C FM+ option supporting TIM4_CH1, FMPI2C1_SCL, USART3_RTS, QUADSPI_BK1_IO1, SAI2_FS_A, and FMC_A17 alternate functions."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "GPIO port D pin 13 with 5V tolerant I/O and I2C FM+ option supporting TIM4_CH2, FMPI2C1_SDA, QUADSPI_BK1_IO3, SAI2_SCK_A, and FMC_A18 alternate functions."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "GPIO port D pin 14 with 5V tolerant I/O and I2C FM+ option supporting TIM4_CH3, FMPI2C1_SCL, SAI2_SCK_A, and FMC_D0 alternate functions."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "GPIO port D pin 15 with 5V tolerant I/O and I2C FM+ option supporting TIM4_CH4, FMPI2C1_SDA, and FMC_D1 alternate functions."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO port C pin 6 with 5V tolerant I/O and I2C FM+ option supporting TIM3/TIM8_CH1, FMPI2C1_SCL, I2S2_MCK, USART6_TX, SDIO_D6, and DCMI_D0 alternate functions."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO port C pin 7 with 5V tolerant I/O and I2C FM+ option supporting TIM3/TIM8_CH2, FMPI2C1_SDA, SPI2/I2S2_CK, I2S3_MCK, SPDIFRX_IN1, USART6_RX, SDIO_D7, and DCMI_D1 alternate functions."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "GPIO port C pin 8 with 5V tolerant I/O supporting TRACED0, TIM3/TIM8_CH3, UART5_RTS, USART6_CK, SDIO_D0, and DCMI_D2 alternate functions."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "GPIO port C pin 9 with 5V tolerant I/O supporting MCO2, TIM3/TIM8_CH4, I2C3_SDA, I2S_CKIN, UART5_CTS, QUADSPI_BK1_IO0, SDIO_D1, and DCMI_D3 alternate functions."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO port A pin 8 with 5V tolerant I/O supporting MCO1, TIM1_CH1, I2C3_SCL, USART1_CK, and OTG_FS_SOF alternate functions."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO port A pin 9 with 5V tolerant I/O supporting TIM1_CH2, I2C3_SMBA, SPI2/I2S2_CK, SAI1_SD_B, USART1_TX, DCMI_D0 alternate functions and OTG_FS_VBUS input."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO port A pin 10 with 5V tolerant I/O supporting TIM1_CH3, USART1_RX, OTG_FS_ID, and DCMI_D1 alternate functions."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO port A pin 11 with 5V tolerant I/O powered by VDDUSB, supporting TIM1_CH4, USART1_CTS, CAN1_RX, and OTG_FS_DM alternate functions."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO port A pin 12 with 5V tolerant I/O powered by VDDUSB, supporting TIM1_ETR, USART1_RTS, SAI2_FS_B, CAN1_TX, and OTG_FS_DP alternate functions."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO port A pin 13 with 5V tolerant I/O, reserved for JTAG test mode select (JTMS) and serial wire debug input/output (SWDIO) functions."
      },
      {
        "number": "73",
        "name": "VCAP_2",
        "type": "power_in",
        "description": "Capacitor connection pin for internal voltage regulator, connect 100 nF capacitor between VCAP_2 and ground."
      },
      {
        "number": "74",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply pin, reference potential for all circuits."
      },
      {
        "number": "75",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply input pin, accepts 1.7 to 3.6 V for main digital I/O supply."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "GPIO port A pin 14 with 5V tolerant I/O, reserved for JTAG test clock (JTCK) and serial wire debug clock (SWCLK) functions."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO port A pin 15 with 5V tolerant I/O supporting JTDI, TIM2/TIM2_ETR, HDMI_CEC, SPI1/SPI3_NSS and I2S functions, UART4_RTS alternate functions."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": ""
      },
      {
        "number": "94",
        "name": "BOOT0",
        "type": "input",
        "description": ""
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": ""
      },
      {
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