STM32F103R8T7

{
  "slug": "stm32f103r8t7",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32f103r8t7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32f103r8t7.kicad_sym",
    "stm32f103r8t7.kicad_mod",
    "stm32f103r8t7.glb",
    "stm32f103r8t7.step",
    "stm32f103r8t7.lbr",
    "docs/hero.png",
    "docs/stm32f103r8t7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32f103r8t7-hero.glb",
    "stm32f103r8t7-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32F103R8T7",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894015912103936",
    "parts": {
      "symbol": "stm32f103r8t7.kicad_sym",
      "footprint": "stm32f103r8t7.kicad_mod",
      "model_3d": "stm32f103r8t7-hero.glb",
      "model_3d_plain": "stm32f103r8t7.glb",
      "model_3d_step": "stm32f103r8t7-etched.step",
      "model_3d_step_plain": "stm32f103r8t7.step",
      "lbr": "stm32f103r8t7.lbr"
    },
    "distributor_links": {
      "lcsc": 1337996,
      "digikey": "497-11524-ND",
      "mouser": "511-STM32F103R8T7"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T07:59:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-11524-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F103R8T7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup supply pin for the RTC and backup registers."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "GPIO PC13 (after backup domain power-up) with TAMPER-RTC alternate function; supplied through the power switch, so output mode is limited to 2 MHz with 30 pF max load and no current-source use (3 mA)."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO PC14 (after backup domain power-up) or OSC32_IN 32 kHz oscillator input; output mode limited to 2 MHz with 30 pF max load."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO PC15 (after backup domain power-up) or OSC32_OUT 32 kHz oscillator output; output mode limited to 2 MHz with 30 pF max load."
      },
      {
        "number": "5",
        "name": "OSC_IN",
        "type": "input",
        "description": "Main function after reset is OSC_IN (4-16 MHz oscillator input); can be remapped to PD0."
      },
      {
        "number": "6",
        "name": "OSC_OUT",
        "type": "output",
        "description": "Main function after reset is OSC_OUT (4-16 MHz oscillator output); can be remapped to PD1."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Device reset input/output, main function NRST after reset."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "General-purpose I/O PC0 (not 5 V tolerant) with ADC12_IN10 alternate function."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "General-purpose I/O PC1 (not 5 V tolerant) with ADC12_IN11 alternate function."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "General-purpose I/O PC2 (not 5 V tolerant) with ADC12_IN12 alternate function."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "General-purpose I/O PC3 (not 5 V tolerant) with ADC12_IN13 alternate function."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground supply."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply voltage."
      },
      {
        "number": "14",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "GPIO PA0 with WKUP, USART2_CTS, ADC12_IN0 and TIM2_CH1_ETR alternate functions."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1 with USART2_RTS, ADC12_IN1 and TIM2_CH2 alternate functions."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2 with USART2_TX, ADC12_IN2 and TIM2_CH3 alternate functions."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3 with USART2_RX, ADC12_IN3 and TIM2_CH4 alternate functions."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Digital ground supply."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply voltage (2.0 to 3.6 V application supply)."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4 with SPI1_NSS, USART2_CK and ADC12_IN4 alternate functions."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5 with SPI1_SCK and ADC12_IN5 alternate functions."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6 with SPI1_MISO, ADC12_IN6, TIM3_CH1; remap TIM1_BKIN."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7 with SPI1_MOSI, ADC12_IN7, TIM3_CH2; remap TIM1_CH1N."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "General-purpose I/O PC4 (not 5 V tolerant) with ADC12_IN14 alternate function."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "General-purpose I/O PC5 (not 5 V tolerant) with ADC12_IN15 alternate function."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0 with ADC12_IN8, TIM3_CH3; remap TIM1_CH2N."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1 with ADC12_IN9, TIM3_CH4; remap TIM1_CH3N."
      },
      {
        "number": "28",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PB2 that also serves as BOOT1 boot mode selection."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PB10 with I2C2_SCL, USART3_TX; remap TIM2_CH3."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PB11 with I2C2_SDA, USART3_RX; remap TIM2_CH4."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground supply."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply voltage (2.0 to 3.6 V application supply)."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PB12 with SPI2_NSS, I2C2_SMBAl, USART3_CK, TIM1_BKIN."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PB13 with SPI2_SCK, USART3_CTS, TIM1_CH1N."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PB14 with SPI2_MISO, USART3_RTS, TIM1_CH2N."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PB15 with SPI2_MOSI and TIM1_CH3N."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PC6; remap TIM3_CH1."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PC7; remap TIM3_CH2."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PC8; remap TIM3_CH3."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PC9; remap TIM3_CH4."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PA8 with USART1_CK, TIM1_CH1 and MCO."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PA9 with USART1_TX and TIM1_CH2."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PA10 with USART1_RX and TIM1_CH3."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PA11 with USART1_CTS, CANRX, USBDM, TIM1_CH4."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PA12 with USART1_RTS, CANTX, USBDP; remap TIM1_ETR."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant pin, JTMS/SWDIO after reset; PA13 via remap."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground supply."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply voltage (2.0 to 3.6 V application supply)."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant pin, JTCK/SWCLK after reset; PA14 via remap."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant pin, JTDI after reset; remap TIM2_CH1_ETR, PA15, SPI1_NSS."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PC10; remap USART3_TX."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PC11; remap USART3_RX."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PC12; remap USART3_CK."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PD2 with TIM3_ETR alternate function."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant pin, JTDO after reset; remap TIM2_CH2, PB3, TRACESWO, SPI1_SCK."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant pin, JNTRST after reset; remap TIM3_CH1, PB4, SPI1_MISO."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5 (not 5 V tolerant) with I2C1_SMBAl; remap TIM3_CH2, SPI1_MOSI."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PB6 with I2C1_SCL, TIM4_CH1; remap USART1_TX."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PB7 with I2C1_SDA, TIM4_CH2; remap USART1_RX."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection input."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PB8 with TIM4_CH3; remap I2C1_SCL, CANRX."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant GPIO PB9 with TIM4_CH4; remap I2C1_SDA, CANTX."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground supply."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply voltage (2.0 to 3.6 V application supply)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 64 should be VDD_3 (power supply) not VSS_3 (ground). The table row shows both VSS_3 (pin 63) an"
        ],
        "pages_sent": 66,
        "cost_usd": 0.6071,
        "at": "2026-10-03T07:58:22"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894015912103936",
        "pages": 117,
        "sha256": "4741c03c5793745c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}