STM32F105R8T6TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32f105r8t6tr",
  "title": "STM32F105R8T6TR",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32f105r8t6tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32F105R8T6TR",
    "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/8588942310051106816",
    "parts": {
      "symbol": "stm32f105r8t6tr.kicad_sym",
      "footprint": "stm32f105r8t6tr.kicad_mod",
      "model_3d": "stm32f105r8t6tr-hero.glb",
      "model_3d_plain": "stm32f105r8t6tr.glb",
      "model_3d_step": "stm32f105r8t6tr-etched.step",
      "model_3d_step_plain": "stm32f105r8t6tr.step",
      "lbr": "stm32f105r8t6tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2056061",
      "digikey": "497-18765-2-ND",
      "mouser": "511-STM32F105R8T6TR"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T09:06:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-18765-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F105R8T6TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup supply (1.8 to 3.6 V) for the RTC, external 32 kHz oscillator and backup registers when VDD is not present."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "GPIO PC13 or TAMPER-RTC, supplied through the power switch so output use is limited to 2 MHz mode with max 30 pF load and only one such pin as output at a time."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO PC14 or 32 kHz oscillator input OSC32_IN, supplied through the power switch with output use limited to 2 MHz, 30 pF max, one pin at a time."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO PC15 or 32 kHz oscillator output OSC32_OUT, supplied through the power switch with output use limited to 2 MHz, 30 pF max, one pin at a time."
      },
      {
        "number": "5",
        "name": "OSC_IN",
        "type": "input",
        "description": "Main 3-25 MHz oscillator input after reset; PD0 can be remapped onto this pin by software."
      },
      {
        "number": "6",
        "name": "OSC_OUT",
        "type": "output",
        "description": "Main 3-25 MHz oscillator output after reset; PD1 can be remapped onto this pin by software."
      },
      {
        "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 with alternate function ADC12_IN10."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "General-purpose I/O PC1 with alternate functions ADC12_IN11 and ETH_MII_MDC/ETH_RMII_MDC."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "General-purpose I/O PC2 with alternate functions ADC12_IN12 and ETH_MII_TXD2."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "General-purpose I/O PC3 with alternate functions ADC12_IN13 and ETH_MII_TX_CLK."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for ADC, reset blocks, RCs and PLL; must be connected to VSS."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply 2.0 to 3.6 V (minimum 2.4 V when the ADC is used); must be connected to VDD."
      },
      {
        "number": "14",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "General-purpose I/O PA0 with WKUP, USART2_CTS, ADC12_IN0, TIM2_CH1_ETR, TIM5_CH1 and ETH_MII_CRS_WKUP functions."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General-purpose I/O PA1 with USART2_RTS, ADC12_IN1, TIM5_CH2, TIM2_CH2, ETH_MII_RX_CLK/ETH_RMII_REF_CLK functions."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General-purpose I/O PA2 with USART2_TX, TIM5_CH3, ADC12_IN2, TIM2_CH3, ETH_MII_MDIO/ETH_RMII_MDIO functions."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General-purpose I/O PA3 with USART2_RX, TIM5_CH4, ADC12_IN3, TIM2_CH4, ETH_MII_COL functions."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Digital ground supply pin VSS_4."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply pin VDD_4 for I/Os and internal regulator, 2.0 to 3.6 V."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O PA4 with SPI1_NSS, DAC_OUT1, USART2_CK, ADC12_IN4; remap SPI3_NSS/I2S3_WS."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O PA5 with SPI1_SCK, DAC_OUT2 and ADC12_IN5."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O PA6 with SPI1_MISO, ADC12_IN6, TIM3_CH1; remap TIM1_BKIN."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General-purpose I/O PA7 with SPI1_MOSI, ADC12_IN7, TIM3_CH2, ETH_MII_RX_DV/ETH_RMII_CRS_DV; remap TIM1_CH1N."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "General-purpose I/O PC4 with ADC12_IN14 and ETH_MII_RXD0/ETH_RMII_RXD0."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "General-purpose I/O PC5 with ADC12_IN15 and ETH_MII_RXD1/ETH_RMII_RXD1."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General-purpose I/O PB0 with ADC12_IN8, TIM3_CH3, ETH_MII_RXD2; remap TIM1_CH2N."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General-purpose I/O PB1 with ADC12_IN9, TIM3_CH4, ETH_MII_RXD3; remap TIM1_CH3N."
      },
      {
        "number": "28",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PB2 that also serves as the BOOT1 boot mode selection pin."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PB10 with I2C2_SCL, USART3_TX, ETH_MII_RX_ER; remap TIM2_CH3."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PB11 with I2C2_SDA, USART3_RX, ETH_MII_TX_EN/ETH_RMII_TX_EN; remap TIM2_CH4."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground supply pin VSS_1."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply pin VDD_1 for I/Os and internal regulator, 2.0 to 3.6 V."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PB12 with SPI2_NSS/I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN, CAN2_RX and ETH_MII_TXD0/ETH_RMII_TXD0."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PB13 with SPI2_SCK/I2S2_CK, USART3_CTS, TIM1_CH1N, CAN2_TX and ETH_MII_TXD1/ETH_RMII_TXD1."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PB14 with SPI2_MISO, TIM1_CH2N and USART3_RTS."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PB15 with SPI2_MOSI/I2S2_SD and TIM1_CH3N."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PC6 with I2S2_MCK; remap TIM3_CH1."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PC7 with I2S3_MCK; remap TIM3_CH2."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PC8; remap TIM3_CH3."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PC9; remap TIM3_CH4."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PA8 with USART1_CK, OTG_FS_SOF, TIM1_CH1 and MCO."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PA9 with USART1_TX, TIM1_CH2 and OTG_FS_VBUS."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PA10 with USART1_RX, TIM1_CH3 and OTG_FS_ID."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PA11 with USART1_CTS, CAN1_RX, TIM1_CH4 and OTG_FS_DM."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PA12 with USART1_RTS, OTG_FS_DP, CAN1_TX and TIM1_ETR."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant pin that is JTMS-SWDIO after reset; PA13 is its remap function."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground supply pin VSS_2."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply pin VDD_2 for I/Os and internal regulator, 2.0 to 3.6 V."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant pin that is JTCK-SWCLK after reset; PA14 is its remap function."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant pin that is JTDI after reset, with SPI3_NSS/I2S3_WS; remap TIM2_CH1_ETR, PA15, SPI1_NSS."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PC10 with UART4_TX; remap USART3_TX, SPI3_SCK/I2S3_CK."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PC11 with UART4_RX; remap USART3_RX, SPI3_MISO."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PC12 with UART5_TX; remap USART3_CK, SPI3_MOSI/I2S3_SD."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PD2 with TIM3_ETR and UART5_RX."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant pin that is JTDO after reset, with SPI3_SCK/I2S3_CK; remap PB3, TRACESWO, TIM2_CH2, SPI1_SCK."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant pin that is NJTRST after reset, with SPI3_MISO; remap PB4, TIM3_CH1, SPI1_MISO."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "I/O PB5 with I2C1_SMBA, SPI3_MOSI/I2S3_SD, ETH_MII_PPS_OUT; remap TIM3_CH2, SPI1_MOSI, CAN2_RX."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PB6 with I2C1_SCL and TIM4_CH1; remap USART1_TX, CAN2_TX."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PB7 with I2C1_SDA and 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 I/O PB8 with TIM4_CH3 and ETH_MII_TXD3; remap I2C1_SCL, CAN1_RX."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O PB9 with TIM4_CH4; remap I2C1_SDA, CAN1_TX."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground supply pin VSS_3."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply pin VDD_3 for I/Os and internal regulator, 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-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 1 (PE2) shown with '-' in LQFP64 column of Table 5 but logically should be pin 1 of 64-pin packa; STM32F105R8T6TR is dual die variant; confirm pin assignments match exact device revision if strict h"
        ],
        "pages_sent": 50,
        "cost_usd": 0.6314,
        "at": "2026-10-07T09:05:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588942310051106816",
        "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"
    },
    "models_3d": [
      {
        "file": "stm32f105r8t6tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32f105r8t6tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "abdddb0d0aa24fdc9c0455119fca748c9aa8fe3acff43818da4ae5e6651a0579",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm32f105r8t6tr"
  ],
  "discovery_pitch": "STM32F105R8T6TR (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "stm32f105r8t6tr.kicad_sym",
    "stm32f105r8t6tr.kicad_mod",
    "stm32f105r8t6tr.glb",
    "stm32f105r8t6tr.step",
    "stm32f105r8t6tr.lbr",
    "docs/hero.png",
    "docs/stm32f105r8t6tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "stm32f105r8t6tr-hero.overlay.json"
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  "visibility": {
    "public": true
  }
}