STM32F105R8T6

{
  "slug": "stm32f105r8t6",
  "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",
    "stm32f105r8t6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
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    "README.md",
    "stm32f105r8t6.kicad_sym",
    "stm32f105r8t6.kicad_mod",
    "stm32f105r8t6.glb",
    "stm32f105r8t6.step",
    "stm32f105r8t6.lbr",
    "docs/hero.png",
    "docs/stm32f105r8t6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32f105r8t6-hero.glb",
    "stm32f105r8t6-hero.overlay.json"
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  "component": {
    "mpn": "STM32F105R8T6",
    "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/8586182410136391680",
    "parts": {
      "symbol": "stm32f105r8t6.kicad_sym",
      "footprint": "stm32f105r8t6.kicad_mod",
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      "model_3d_plain": "stm32f105r8t6.glb",
      "model_3d_step": "stm32f105r8t6-etched.step",
      "model_3d_step_plain": "stm32f105r8t6.step",
      "lbr": "stm32f105r8t6.lbr"
    },
    "distributor_links": {
      "lcsc": "C80986",
      "digikey": "497-8922-ND",
      "mouser": "511-STM32F105R8T6"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T19:47:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-8922-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F105R8T6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup-domain supply for the RTC, the 32 kHz oscillator and backup registers, specified at 1.8 to 3.6 V when VDD is not present."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "General-purpose I/O PC13 (also TAMPER-RTC) supplied through the power switch, so in output mode it is limited to 2 MHz with a maximum 30 pF load and only one pin may be in output mode at a time."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "General-purpose I/O PC14, also the OSC32_IN input of the 32 kHz oscillator, supplied through the power switch so output use is limited to 2 MHz with a maximum 30 pF load and one pin in output at a time."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "General-purpose I/O PC15, also the OSC32_OUT output of the 32 kHz oscillator, supplied through the power switch so output use is limited to 2 MHz with a maximum 30 pF load and one pin in output at a time."
      },
      {
        "number": "5",
        "name": "OSC_IN",
        "type": "input",
        "description": "Input of the 3-25 MHz high-speed crystal oscillator (HSE); on LQFP64 this pin is OSC_IN after reset and PD0 can be remapped onto it."
      },
      {
        "number": "6",
        "name": "OSC_OUT",
        "type": "output",
        "description": "Output of the 3-25 MHz high-speed crystal oscillator (HSE); on LQFP64 this pin is OSC_OUT after reset and PD1 can be remapped onto it."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active reset pin of the MCU; its electrical characteristics are specified in section 5.3.14 (Table 39) of the datasheet."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "General-purpose I/O PC0 (not 5 V tolerant) with alternate function ADC12_IN10 analog input."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "General-purpose I/O PC1 (not 5 V tolerant) with alternate function ADC12_IN11, with Ethernet MDC listed as an alternate function that does not apply to STM32F105 devices."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "General-purpose I/O PC2 (not 5 V tolerant) with alternate function ADC12_IN12, with an Ethernet TXD2 alternate function listed that does not apply to STM32F105 devices."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "General-purpose I/O PC3 (not 5 V tolerant) with alternate function ADC12_IN13, with an Ethernet TX_CLK alternate function listed that does not apply to STM32F105 devices."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC, reset blocks, RC oscillators and PLL, which must be connected to VSS."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for the ADC, reset blocks, RC oscillators and PLL at 2.0 to 3.6 V, with a minimum of 2.4 V when the ADC is used, and it must be connected to VDD."
      },
      {
        "number": "14",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "General-purpose I/O PA0 (not 5 V tolerant) with WKUP wakeup function and alternate functions ADC12_IN0, USART2_CTS, TIM2_CH1_ETR and TIM5_CH1."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General-purpose I/O PA1 (not 5 V tolerant) with alternate functions USART2_RTS, ADC12_IN1, TIM5_CH2 and TIM2_CH2."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General-purpose I/O PA2 (not 5 V tolerant) with alternate functions USART2_TX, TIM5_CH3, ADC12_IN2 and TIM2_CH3."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General-purpose I/O PA3 (not 5 V tolerant) with alternate functions USART2_RX, TIM5_CH4, ADC12_IN3 and TIM2_CH4."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Digital ground supply pin for the device."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply for the I/Os and internal regulator at 2.0 to 3.6 V."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O PA4 (not 5 V tolerant) with alternate functions SPI1_NSS, DAC_OUT1, USART2_CK, ADC12_IN4 and SPI3_NSS/I2S3_WS."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O PA5 (not 5 V tolerant) with alternate functions SPI1_SCK, DAC_OUT2 and ADC12_IN5."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O PA6 (not 5 V tolerant) with alternate functions SPI1_MISO, ADC12_IN6, TIM3_CH1 and TIM1_BKIN."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General-purpose I/O PA7 (not 5 V tolerant) with alternate functions SPI1_MOSI, ADC12_IN7, TIM3_CH2 and TIM1_CH1N."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "General-purpose I/O PC4 (not 5 V tolerant) with alternate function ADC12_IN14."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "General-purpose I/O PC5 (not 5 V tolerant) with alternate function ADC12_IN15."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General-purpose I/O PB0 (not 5 V tolerant) with alternate functions ADC12_IN8, TIM3_CH3 and TIM1_CH2N."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General-purpose I/O PB1 (not 5 V tolerant) with alternate functions ADC12_IN9, TIM3_CH4 and TIM1_CH3N."
      },
      {
        "number": "28",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PB2, which doubles as the BOOT1 boot-mode pin."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PB10 with alternate functions I2C2_SCL, USART3_TX and TIM2_CH3."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PB11 with alternate functions I2C2_SDA, USART3_RX and TIM2_CH4."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground supply pin for the device."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply for the I/Os and internal regulator at 2.0 to 3.6 V."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PB12 with alternate functions SPI2_NSS/I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN and CAN2_RX."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PB13 with alternate functions SPI2_SCK/I2S2_CK, USART3_CTS, TIM1_CH1N and CAN2_TX."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PB14 with alternate functions SPI2_MISO, TIM1_CH2N and USART3_RTS."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PB15 with alternate functions SPI2_MOSI/I2S2_SD and TIM1_CH3N."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PC6 with alternate functions I2S2_MCK and TIM3_CH1."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PC7 with alternate functions I2S3_MCK and TIM3_CH2."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PC8 with alternate function TIM3_CH3."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PC9 with alternate function TIM3_CH4."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PA8 with alternate functions USART1_CK, OTG_FS_SOF, TIM1_CH1 and MCO."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PA9 with alternate functions USART1_TX, TIM1_CH2 and OTG_FS_VBUS."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PA10 with alternate functions USART1_RX, TIM1_CH3 and OTG_FS_ID."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PA11 with alternate functions USART1_CTS, CAN1_RX, TIM1_CH4 and OTG_FS_DM."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PA12 with alternate functions USART1_RTS, OTG_FS_DP, CAN1_TX and TIM1_ETR."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant pin with default function JTMS-SWDIO, the serial-wire/JTAG debug data input-output."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground supply pin for the device."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply for the I/Os and internal regulator at 2.0 to 3.6 V."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant pin with default function JTCK-SWCLK, the serial-wire/JTAG clock."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PA15 with default function JTDI and alternate functions SPI3_NSS/I2S3_WS, TIM2_CH1_ETR and SPI1_NSS."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PC10 with alternate functions UART4_TX, USART3_TX and SPI3_SCK/I2S3_CK."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PC11 with alternate functions UART4_RX, USART3_RX and SPI3_MISO."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PC12 with alternate functions UART5_TX, USART3_CK and SPI3_MOSI/I2S3_SD."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PD2 with alternate functions TIM3_ETR and UART5_RX."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant pin with default function JTDO and alternate functions SPI3_SCK/I2S3_CK, TRACESWO, TIM2_CH2 and SPI1_SCK."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant pin with default function NJTRST and alternate functions SPI3_MISO, TIM3_CH1 and SPI1_MISO."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "General-purpose I/O PB5 (not 5 V tolerant) with alternate functions I2C1_SMBA, SPI3_MOSI/I2S3_SD, TIM3_CH2, SPI1_MOSI and CAN2_RX."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PB6 with alternate functions I2C1_SCL, TIM4_CH1, USART1_TX and CAN2_TX."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PB7 with alternate functions I2C1_SDA, TIM4_CH2 and USART1_RX."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot-mode selection pin sampled at startup, together with BOOT1, to choose boot from user Flash, system memory or embedded SRAM."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PB8 with alternate functions TIM4_CH3, I2C1_SCL and CAN1_RX."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant general-purpose I/O PB9 with alternate functions TIM4_CH4, I2C1_SDA and CAN1_TX."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground supply pin for the device."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply for the I/Os and internal regulator at 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-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Table 5 is a family-wide pin table (LQFP64 column). It applies to STM32F105R8T6 (R = 64 pins, T = LQ; Ethernet alternate functions (ETH_MII_* / ETH_RMII_*) are listed in Table 5 but Ethernet exists only; LQFP64 pins 5 and 6 are OSC_IN/OSC_OUT after reset. PD0 and PD1 are not on the LQFP64 pinout by defa"
        ],
        "pages_sent": 50,
        "cost_usd": 0.2777,
        "at": "2026-10-08T19:46:34"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182410136391680",
        "pages": 108,
        "sha256": "ca4bad652e5eb36d",
        "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"
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        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "sha256": "c12068ec1733c506616ed8512e2f96ae024fe1666cbc919863238f7b5199e403",
        "checked": "2026-10-08",
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  }
}