STM32F103V8T6

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32f103v8t6",
  "title": "STM32F103V8T6",
  "brief": "STMicroelectronics Microcontroller Units (MCUs/MPUs/SOCs), 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",
    "single chip microcomputer-microcontroller",
    "stm32f103v8t6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32F103V8T6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://www.st.com/resource/en/datasheet/stm32f103v8t6.pdf",
    "parts": {
      "symbol": "stm32f103v8t6.kicad_sym",
      "footprint": "stm32f103v8t6.kicad_mod",
      "model_3d": "stm32f103v8t6-hero.glb",
      "model_3d_plain": "stm32f103v8t6-etched.glb",
      "model_3d_step": "stm32f103v8t6-etched.step",
      "model_3d_step_plain": "stm32f103v8t6.step",
      "lbr": "stm32f103v8t6.lbr"
    },
    "distributor_links": {
      "lcsc": "C2685653",
      "digikey": "497-6068-ND",
      "mouser": "511-STM32F103V8T6"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T06:22:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-6068-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-STM32F103V8T6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, main function PE2, alternate function TRACECK (remap)."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, main function PE3, alternate function TRACED0 (remap)."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, main function PE4, alternate function TRACED1 (remap)."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, main function PE5, alternate function TRACED2 (remap)."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, main function PE6, alternate function TRACED3 (remap)."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup supply pin for RTC and backup registers."
      },
      {
        "number": "7",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "I/O powered through the power switch (3 mA max sink): only one at a time as output, limited to 2 MHz with 30 pF max load, not a current source; function TAMPER-RTC."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "I/O powered through the power switch (3 mA max sink), limited to 2 MHz with 30 pF max load; function OSC32_IN."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "I/O powered through the power switch (3 mA max sink), limited to 2 MHz with 30 pF max load; function OSC32_OUT."
      },
      {
        "number": "10",
        "name": "VSS_5",
        "type": "power_in",
        "description": "Ground supply pin."
      },
      {
        "number": "11",
        "name": "VDD_5",
        "type": "power_in",
        "description": "Digital supply pin, 2.0 to 3.6 V."
      },
      {
        "number": "12",
        "name": "OSC_IN",
        "type": "input",
        "description": "Input of the 4-16 MHz HSE oscillator."
      },
      {
        "number": "13",
        "name": "OSC_OUT",
        "type": "output",
        "description": "Output of the 4-16 MHz HSE oscillator."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Device reset input/output, active low."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "I/O with main function PC0 and ADC12_IN10 analog input."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "I/O with main function PC1 and ADC12_IN11 analog input."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "I/O with main function PC2 and ADC12_IN12 analog input."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "I/O with main function PC3 and ADC12_IN13 analog input."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground supply pin."
      },
      {
        "number": "20",
        "name": "VREF-",
        "type": "power_in",
        "description": "Negative reference voltage for the ADC."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive reference voltage for the ADC."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply pin for ADC and analog blocks."
      },
      {
        "number": "23",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "I/O with WKUP, USART2_CTS, ADC12_IN0 and TIM2_CH1_ETR functions."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "I/O with USART2_RTS, ADC12_IN1 and TIM2_CH2 functions."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "I/O with USART2_TX, ADC12_IN2 and TIM2_CH3 functions."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "I/O with USART2_RX, ADC12_IN3 and TIM2_CH4 functions."
      },
      {
        "number": "27",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground supply pin."
      },
      {
        "number": "28",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply pin, 2.0 to 3.6 V."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "I/O with SPI1_NSS, USART2_CK and ADC12_IN4 functions."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "I/O with SPI1_SCK and ADC12_IN5 functions."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "I/O with SPI1_MISO, ADC12_IN6, TIM3_CH1; remap TIM1_BKIN."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "I/O with SPI1_MOSI, ADC12_IN7, TIM3_CH2; remap TIM1_CH1N."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "I/O with main function PC4 and ADC12_IN14 analog input."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "I/O with main function PC5 and ADC12_IN15 analog input."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "I/O with ADC12_IN8, TIM3_CH3; remap TIM1_CH2N."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "I/O with ADC12_IN9, TIM3_CH4; remap TIM1_CH3N."
      },
      {
        "number": "37",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, main function PB2/BOOT1."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM1_ETR."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM1_CH1N."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM1_CH1."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM1_CH2N."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM1_CH2."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM1_CH3N."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM1_CH3."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM1_CH4."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM1_BKIN."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with I2C2_SCL, USART3_TX; remap TIM2_CH3."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with I2C2_SDA, USART3_RX; remap TIM2_CH4."
      },
      {
        "number": "49",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground supply pin."
      },
      {
        "number": "50",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply pin, 2.0 to 3.6 V."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with SPI2_NSS, I2C2_SMBAl, USART3_CK, TIM1_BKIN."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with SPI2_SCK, USART3_CTS, TIM1_CH1N."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with SPI2_MISO, USART3_RTS, TIM1_CH2N."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with SPI2_MOSI, TIM1_CH3N."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap USART3_TX."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap USART3_RX."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap USART3_CK."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap USART3_CTS."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM4_CH1 / USART3_RTS."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM4_CH2."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM4_CH3."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM4_CH4."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM3_CH1."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM3_CH2."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM3_CH3."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM3_CH4."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with USART1_CK, TIM1_CH1, MCO."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with USART1_TX, TIM1_CH2."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with USART1_RX, TIM1_CH3."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with USART1_CTS, CANRX, USBDM, TIM1_CH4."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with USART1_RTS, CANTX, USBDP, TIM1_ETR."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, default JTMS/SWDIO debug function."
      },
      {
        "number": "73",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected."
      },
      {
        "number": "74",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground supply pin."
      },
      {
        "number": "75",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply pin, 2.0 to 3.6 V."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, default JTCK/SWCLK debug function."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, default JTDI; remap TIM2_CH1_ETR / SPI1_NSS."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap USART3_TX."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap USART3_RX."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap USART3_CK."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, available by default on LQFP100; remap CANRX; output limited to 50 MHz."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, available by default on LQFP100; remap CANTX; output limited to 50 MHz."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, TIM3_ETR."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap USART2_CTS."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap USART2_RTS."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap USART2_TX."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap USART2_RX."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap USART2_CK."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, default JTDO; remap TIM2_CH2 / PB3 / TRACESWO / SPI1_SCK."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, default JNTRST; remap TIM3_CH1 / PB4 / SPI1_MISO."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "I/O with I2C1_SMBAl; remap TIM3_CH2 / SPI1_MOSI."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with I2C1_SCL, TIM4_CH1; remap USART1_TX."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with I2C1_SDA, TIM4_CH2; remap USART1_RX."
      },
      {
        "number": "94",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection input."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with TIM4_CH3; remap I2C1_SCL / CANRX."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with TIM4_CH4; remap I2C1_SDA / CANTX."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, remap TIM4_ETR."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, main function PE1."
      },
      {
        "number": "99",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground supply pin."
      },
      {
        "number": "100",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply pin, 2.0 to 3.6 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types were inferred from the table's I/O type column and pin names. Types for VREF-, VREF+ and V; Table 5 prints the PA13 to PD0 rows with shifted LFBGA/TFBGA columns, and some alternate-function te"
        ],
        "pages_sent": 35,
        "cost_usd": 0.4457,
        "at": "2026-10-23T06:21:20"
      },
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/stm32f103v8t6.pdf",
        "pages": 91,
        "sha256": "1d2409eb5c66ba92",
        "source_tier": "mfr"
      },
      "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": "stm32f103v8t6.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": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32f103v8t6-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": "20ee6f6a78745fa8fcb7ea648ef65c677cfdf895219d1d2ae1e80bd48275d67d",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
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