STM32F103VET6

{
  "slug": "stm32f103vet6",
  "version": "0.1.1",
  "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",
    "stm32f103vet6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32f103vet6.kicad_sym",
    "stm32f103vet6.kicad_mod",
    "stm32f103vet6.glb",
    "stm32f103vet6.step",
    "stm32f103vet6.lbr",
    "docs/hero.png",
    "docs/stm32f103vet6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "STM32F103VET6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-100(14x14)",
    "pin_count": 94,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588879065663352832",
    "parts": {
      "symbol": "stm32f103vet6.kicad_sym",
      "footprint": "stm32f103vet6.kicad_mod",
      "model_3d": "stm32f103vet6-etched.glb",
      "model_3d_plain": "stm32f103vet6.glb",
      "model_3d_step": "stm32f103vet6-etched.step",
      "model_3d_step_plain": "stm32f103vet6.step",
      "lbr": "stm32f103vet6.lbr"
    },
    "distributor_links": {
      "lcsc": "C8308",
      "digikey": "497-6443-ND",
      "mouser": "511-STM32F103VET6"
    },
    "distributor_check": {
      "checked_at": "2026-09-29T14:22:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-6443-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F103VET6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "output",
        "description": "Port E pin 2; TRACECK/FSMC_A23 alternate function available"
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "output",
        "description": "Port E pin 3; TRACED0/FSMC_A19 alternate function available"
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "output",
        "description": "Port E pin 4; TRACED1/FSMC_A20 alternate function available"
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "output",
        "description": "Port E pin 5; TRACED2/FSMC_A21 alternate function available"
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "output",
        "description": "Port E pin 6; TRACED3/FSMC_A22 alternate function available"
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup battery power supply for RTC and backup registers (1.8-3.6 V)"
      },
      {
        "number": "7",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "Port C pin 13; TAMPER/RTC alternate function; supplied through power switch with 3 mA limit"
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "input",
        "description": "Port C pin 14; external 32 kHz oscillator input; supplied through power switch"
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "output",
        "description": "Port C pin 15; external 32 kHz oscillator output; supplied through power switch"
      },
      {
        "number": "10",
        "name": "VSS_5",
        "type": "power_in",
        "description": "Ground (VSS) connection"
      },
      {
        "number": "11",
        "name": "VDD_5",
        "type": "power_in",
        "description": "VDD power supply (2.0-3.6 V)"
      },
      {
        "number": "12",
        "name": "PF6",
        "type": "output",
        "description": "Port F pin 6; ADC3_IN4/FSMC_NIORD alternate functions"
      },
      {
        "number": "13",
        "name": "PF7",
        "type": "output",
        "description": "Port F pin 7; ADC3_IN5/FSMC_NREG alternate functions"
      },
      {
        "number": "14",
        "name": "PF8",
        "type": "output",
        "description": "Port F pin 8; ADC3_IN6/FSMC_NIOWR alternate functions"
      },
      {
        "number": "15",
        "name": "PF9",
        "type": "output",
        "description": "Port F pin 9; ADC3_IN7/FSMC_CD alternate functions"
      },
      {
        "number": "16",
        "name": "PF10",
        "type": "output",
        "description": "Port F pin 10; ADC3_IN8/FSMC_INTR alternate functions"
      },
      {
        "number": "23",
        "name": "OSC_IN",
        "type": "input",
        "description": "External oscillator input for 4-16 MHz crystal (HSE clock input)"
      },
      {
        "number": "24",
        "name": "OSC_OUT",
        "type": "output",
        "description": "External oscillator output for 4-16 MHz crystal"
      },
      {
        "number": "25",
        "name": "NRST",
        "type": "input",
        "description": "System reset pin with integrated pull-up and Schmitt trigger; external filter recommended"
      },
      {
        "number": "26",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Port C pin 0; ADC123_IN10 alternate function available"
      },
      {
        "number": "27",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Port C pin 1; ADC123_IN11 alternate function available"
      },
      {
        "number": "28",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Port C pin 2; ADC123_IN12 alternate function available"
      },
      {
        "number": "29",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Port C pin 3; ADC123_IN13 alternate function available"
      },
      {
        "number": "30",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground (VSSA) for ADC, DAC, reset blocks, internal RC oscillators and PLL"
      },
      {
        "number": "31",
        "name": "VREF-",
        "type": "passive",
        "description": "Negative reference voltage input for ADC (0 V nominal, tied to VSSA)"
      },
      {
        "number": "32",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive reference voltage input for ADC (2.4-3.6 V, can be tied to VDDA)"
      },
      {
        "number": "33",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply (2.4-3.6 V); must not differ from VDD by more than 300 mV"
      },
      {
        "number": "34",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "Port A pin 0; wakeup pin from low-power modes; can be used for USART2_CTS, ADC123_IN0, or TIM2_CH1_ETR alternate functions"
      },
      {
        "number": "35",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Port A pin 1; can be used for USART2_RTS, ADC123_IN1, or TIM2_CH2 alternate functions"
      },
      {
        "number": "36",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Port A pin 2; can be used for USART2_TX, ADC123_IN2, or TIM2_CH3 alternate functions"
      },
      {
        "number": "37",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Port A pin 3; can be used for USART2_RX, ADC123_IN3, or TIM2_CH4 alternate functions"
      },
      {
        "number": "38",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground (VSS) connection"
      },
      {
        "number": "39",
        "name": "VDD_4",
        "type": "power_in",
        "description": "VDD power supply (2.0-3.6 V)"
      },
      {
        "number": "40",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Port A pin 4; can be used for SPI1_NSS, USART2_CK, DAC_OUT1, or ADC12_IN4 alternate functions"
      },
      {
        "number": "41",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Port A pin 5; can be used for SPI1_SCK, DAC_OUT2, or ADC12_IN5 alternate functions"
      },
      {
        "number": "42",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Port A pin 6; can be used for SPI1_MISO, TIM8_BKIN, ADC12_IN6, or TIM3_CH1 alternate functions"
      },
      {
        "number": "43",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Port A pin 7; can be used for SPI1_MOSI, TIM8_CH1N, ADC12_IN7, or TIM3_CH2 alternate functions"
      },
      {
        "number": "44",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Port C pin 4; ADC12_IN14 alternate function available"
      },
      {
        "number": "45",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Port C pin 5; ADC12_IN15 alternate function available"
      },
      {
        "number": "46",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Port B pin 0; can be used for ADC12_IN8, TIM3_CH3, or TIM8_CH2N alternate functions"
      },
      {
        "number": "47",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Port B pin 1; can be used for ADC12_IN9, TIM3_CH4, or TIM8_CH3N alternate functions"
      },
      {
        "number": "48",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "Port B pin 2; boot configuration pin; 5V-tolerant input"
      },
      {
        "number": "49",
        "name": "PE7",
        "type": "output",
        "description": "Port E pin 7; FSMC_D4 or TIM1_ETR alternate functions; 5V-tolerant"
      },
      {
        "number": "50",
        "name": "PE8",
        "type": "output",
        "description": "Port E pin 8; FSMC_D5 or TIM1_CH1N alternate functions; 5V-tolerant"
      },
      {
        "number": "51",
        "name": "PE9",
        "type": "output",
        "description": "Port E pin 9; FSMC_D6 or TIM1_CH1 alternate functions; 5V-tolerant"
      },
      {
        "number": "52",
        "name": "PE10",
        "type": "output",
        "description": "Port E pin 10; FSMC_D7 or TIM1_CH2N alternate functions; 5V-tolerant"
      },
      {
        "number": "53",
        "name": "PE11",
        "type": "output",
        "description": "Port E pin 11; FSMC_D8 or TIM1_CH2 alternate functions; 5V-tolerant"
      },
      {
        "number": "54",
        "name": "PE12",
        "type": "output",
        "description": "Port E pin 12; FSMC_D9 or TIM1_CH3N alternate functions; 5V-tolerant"
      },
      {
        "number": "55",
        "name": "PE13",
        "type": "output",
        "description": "Port E pin 13; FSMC_D10 or TIM1_CH3 alternate functions; 5V-tolerant"
      },
      {
        "number": "56",
        "name": "PE14",
        "type": "output",
        "description": "Port E pin 14; FSMC_D11 or TIM1_CH4 alternate functions; 5V-tolerant"
      },
      {
        "number": "57",
        "name": "PE15",
        "type": "output",
        "description": "Port E pin 15; FSMC_D12 or TIM1_BKIN alternate functions; 5V-tolerant"
      },
      {
        "number": "58",
        "name": "PB10",
        "type": "output",
        "description": "Port B pin 10; I2C2_SCL, USART3_TX, or TIM2_CH3 alternate functions; 5V-tolerant"
      },
      {
        "number": "59",
        "name": "PB11",
        "type": "output",
        "description": "Port B pin 11; I2C2_SDA, USART3_RX, or TIM2_CH4 alternate functions; 5V-tolerant"
      },
      {
        "number": "60",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground (VSS) connection"
      },
      {
        "number": "61",
        "name": "VDD_1",
        "type": "power_in",
        "description": "VDD power supply (2.0-3.6 V)"
      },
      {
        "number": "62",
        "name": "PB12",
        "type": "output",
        "description": "Port B pin 12; SPI2_NSS, I2S2_WS, I2C2_SMBA, USART3_CK, or TIM1_BKIN alternate functions; 5V-tolerant"
      },
      {
        "number": "63",
        "name": "PB13",
        "type": "output",
        "description": "Port B pin 13; SPI2_SCK, I2S2_CK, USART3_CTS, or TIM1_CH1N alternate functions; 5V-tolerant"
      },
      {
        "number": "64",
        "name": "PB14",
        "type": "output",
        "description": "Port B pin 14; SPI2_MISO, TIM1_CH2N, or USART3_RTS alternate functions; 5V-tolerant"
      },
      {
        "number": "65",
        "name": "PB15",
        "type": "output",
        "description": "Port B pin 15; SPI2_MOSI, I2S2_SD, TIM1_CH3N alternate functions; 5V-tolerant"
      },
      {
        "number": "66",
        "name": "PD8",
        "type": "output",
        "description": "Port D pin 8; FSMC_D13 or USART3_TX alternate functions; 5V-tolerant"
      },
      {
        "number": "67",
        "name": "PD9",
        "type": "output",
        "description": "Port D pin 9; FSMC_D14 or USART3_RX alternate functions; 5V-tolerant"
      },
      {
        "number": "68",
        "name": "PD10",
        "type": "output",
        "description": "Port D pin 10; FSMC_D15 or USART3_CK alternate functions; 5V-tolerant"
      },
      {
        "number": "69",
        "name": "PD11",
        "type": "output",
        "description": "Port D pin 11; FSMC_A16 or USART3_CTS alternate functions; 5V-tolerant"
      },
      {
        "number": "70",
        "name": "PD12",
        "type": "output",
        "description": "Port D pin 12; FSMC_A17, TIM4_CH1, or USART3_RTS alternate functions; 5V-tolerant"
      },
      {
        "number": "71",
        "name": "PD13",
        "type": "output",
        "description": "Port D pin 13; FSMC_A18 or TIM4_CH2 alternate functions; 5V-tolerant"
      },
      {
        "number": "72",
        "name": "PD14",
        "type": "output",
        "description": "Port D pin 14; FSMC_D0 or TIM4_CH3 alternate functions; 5V-tolerant"
      },
      {
        "number": "73",
        "name": "PD15",
        "type": "output",
        "description": "Port D pin 15; FSMC_D1 or TIM4_CH4 alternate functions; 5V-tolerant"
      },
      {
        "number": "74",
        "name": "PC6",
        "type": "output",
        "description": "Port C pin 6; I2S2_MCK, TIM8_CH1, SDIO_D6, or TIM3_CH1 alternate functions; 5V-tolerant"
      },
      {
        "number": "75",
        "name": "PC7",
        "type": "output",
        "description": "Port C pin 7; I2S3_MCK, TIM8_CH2, SDIO_D7, or TIM3_CH2 alternate functions; 5V-tolerant"
      },
      {
        "number": "76",
        "name": "PC8",
        "type": "output",
        "description": "Port C pin 8; TIM8_CH3, SDIO_D0, or TIM3_CH3 alternate functions; 5V-tolerant"
      },
      {
        "number": "77",
        "name": "PC9",
        "type": "output",
        "description": "Port C pin 9; TIM8_CH4, SDIO_D1, or TIM3_CH4 alternate functions; 5V-tolerant"
      },
      {
        "number": "78",
        "name": "PA8",
        "type": "output",
        "description": "Port A pin 8; USART1_CK, TIM1_CH1, or MCO alternate functions; 5V-tolerant"
      },
      {
        "number": "79",
        "name": "PA9",
        "type": "output",
        "description": "Port A pin 9; USART1_TX or TIM1_CH2 alternate functions; 5V-tolerant"
      },
      {
        "number": "80",
        "name": "PA10",
        "type": "output",
        "description": "Port A pin 10; USART1_RX or TIM1_CH3 alternate functions; 5V-tolerant"
      },
      {
        "number": "81",
        "name": "PA11",
        "type": "output",
        "description": "Port A pin 11; USART1_CTS, USB_DM, CAN_RX, or TIM1_CH4 alternate functions; 5V-tolerant"
      },
      {
        "number": "82",
        "name": "PA12",
        "type": "output",
        "description": "Port A pin 12; USART1_RTS, USB_DP, CAN_TX, or TIM1_ETR alternate functions; 5V-tolerant"
      },
      {
        "number": "83",
        "name": "PA13",
        "type": "bidirectional",
        "description": "JTMS/SWDIO pin for JTAG debug and serial wire debug interfaces; 5V-tolerant"
      },
      {
        "number": "84",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground (VSS) connection"
      },
      {
        "number": "85",
        "name": "VDD_2",
        "type": "power_in",
        "description": "VDD power supply (2.0-3.6 V)"
      },
      {
        "number": "86",
        "name": "PA14",
        "type": "bidirectional",
        "description": "JTCK/SWCLK pin for JTAG debug and serial wire debug interfaces; 5V-tolerant"
      },
      {
        "number": "87",
        "name": "PA15",
        "type": "bidirectional",
        "description": "JTDI pin; can be used for SPI3_NSS, I2S3_WS, or TIM2_CH1_ETR alternate functions; 5V-tolerant"
      },
      {
        "number": "88",
        "name": "PC10",
        "type": "output",
        "description": "Port C pin 10; UART4_TX, SDIO_D2, or USART3_TX alternate functions; 5V-tolerant"
      },
      {
        "number": "89",
        "name": "PC11",
        "type": "output",
        "description": "Port C pin 11; UART4_RX, SDIO_D3, or USART3_RX alternate functions; 5V-tolerant"
      },
      {
        "number": "90",
        "name": "PC12",
        "type": "output",
        "description": "Port C pin 12; UART5_TX, SDIO_CK, or USART3_CK alternate functions; 5V-tolerant"
      },
      {
        "number": "91",
        "name": "PD0",
        "type": "bidirectional",
        "description": "Port D pin 0; OSC_IN, FSMC_D2, or CAN_RX alternate functions; 5V-tolerant"
      },
      {
        "number": "92",
        "name": "PD1",
        "type": "bidirectional",
        "description": "Port D pin 1; OSC_OUT, FSMC_D3, or CAN_TX alternate functions; 5V-tolerant"
      },
      {
        "number": "93",
        "name": "PD2",
        "type": "output",
        "description": "Port D pin 2; TIM3_ETR, UART5_RX, or SDIO_CMD alternate functions; 5V-tolerant"
      },
      {
        "number": "94",
        "name": "PD3",
        "type": "output",
        "description": "Port D pin 3; FSMC_CLK or USART2_CTS alternate functions; 5V-tolerant"
      },
      {
        "number": "95",
        "name": "PD4",
        "type": "output",
        "description": "Port D pin 4; FSMC_NOE or USART2_RTS alternate functions; 5V-tolerant"
      },
      {
        "number": "96",
        "name": "PD5",
        "type": "output",
        "description": "Port D pin 5; FSMC_NWE or USART2_TX alternate functions; 5V-tolerant"
      },
      {
        "number": "97",
        "name": "PD6",
        "type": "output",
        "description": "Port D pin 6; FSMC_NWAIT or USART2_RX alternate functions; 5V-tolerant"
      },
      {
        "number": "98",
        "name": "PD7",
        "type": "output",
        "description": "Port D pin 7; FSMC_NE1/FSMC_NCE2 or USART2_CK alternate functions; 5V-tolerant"
      },
      {
        "number": "99",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground (VSS) connection"
      },
      {
        "number": "100",
        "name": "VDD_3",
        "type": "power_in",
        "description": "VDD power supply (2.0-3.6 V)"
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588879065663352832",
        "pages": 144,
        "sha256": "c9b21d3e41aa42a0",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 94,
        "described": 94,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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  }
}