STM32F301C8T6

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32f301c8t6",
  "title": "STM32F301C8T6",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). 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",
    "stm32f301c8t6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32F301C8T6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182465090568192",
    "parts": {
      "symbol": "stm32f301c8t6.kicad_sym",
      "footprint": "stm32f301c8t6.kicad_mod",
      "model_3d": "stm32f301c8t6-hero.glb",
      "model_3d_plain": "stm32f301c8t6.glb",
      "model_3d_step": "stm32f301c8t6-etched.step",
      "model_3d_step_plain": "stm32f301c8t6.step",
      "lbr": "stm32f301c8t6.lbr"
    },
    "distributor_links": {
      "lcsc": "C133231",
      "digikey": "497-STM32F301C8T6-ND",
      "mouser": "511-STM32F301C8T6"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T23:47:11Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32F301C8T6-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F301C8T6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup power supply, 1.65 to 3.6 V, that powers the RTC, the 32 kHz oscillator and the backup registers when VDD is absent."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O on the backup-domain power switch, limited to 3 mA sink so output use is limited to 2 MHz with 30 pF load and it cannot source LED-type current; also TAMPER1/WKUP2, RTC_TS and RTC_OUT."
      },
      {
        "number": "3",
        "name": "PC14",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O on the backup-domain power switch with the same limits as PC13; also OSC32_IN for the 32.768 kHz oscillator."
      },
      {
        "number": "4",
        "name": "PC15",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O on the backup-domain power switch with the same limits as PC13; also OSC32_OUT for the 32.768 kHz oscillator."
      },
      {
        "number": "5",
        "name": "PF0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FTf, with I2C FM+ option) that serves as OSC_IN, the high-speed oscillator input; alternate functions include I2C2_SDA, SPI2_NSS/I2S2_WS and TIM1_CH3N."
      },
      {
        "number": "6",
        "name": "PF1",
        "type": "output",
        "description": "OSC_OUT output of the high-speed oscillator on a 5 V tolerant FTf I/O; alternate functions include I2C2_SCL and SPI2_SCK/I2S2_CK."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low device reset input and internal reset output with a built-in weak pull-up; the device does not reset if the pin level cannot fall below VIL(NRST) max."
      },
      {
        "number": "8",
        "name": "VSSA/VREF-",
        "type": "power_in",
        "description": "Analog ground and negative reference voltage for the ADC, DAC, comparators, op-amp, reset block, RC and PLL."
      },
      {
        "number": "9",
        "name": "VDDA/VREF+",
        "type": "power_in",
        "description": "Analog supply, 2.0 to 3.6 V (2.4 V minimum when DAC or OPAMP are used), and positive reference voltage; VDDA must be at or above VDD and must be powered first."
      },
      {
        "number": "10",
        "name": "PA0",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) that is also ADC1_IN1, the WKUP1 wakeup pin for Standby, Stop and Sleep modes and RTC_TAMP2; alternate functions include TIM2_CH1/TIM2_ETR, TSC_G1_IO1 and USART2_CTS."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) that is also ADC1_IN2 and RTC_REFIN; alternate functions include TIM2_CH2, TSC_G1_IO2, USART2_RTS_DE and TIM15_CH1N."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) that is also ADC1_IN3 and COMP2_INM; alternate functions include TIM2_CH3, TSC_G1_IO3, USART2_TX, COMP2_OUT and TIM15_CH1."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) that is also ADC1_IN4; alternate functions include TIM2_CH4, TSC_G1_IO4, USART2_RX and TIM15_CH2."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) with lower touch-sensing sensitivity, recommended for use as a sampling capacitor I/O; also ADC1_IN5, DAC1_OUT1 and COMP2/4/6_INM; alternate functions include TSC_G2_IO1, SPI3_NSS/I2S3_WS and USART2_CK."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) that is also OPAMP2_VINM; alternate functions include TIM2_CH1/TIM2_ETR and TSC_G2_IO2."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) with lower touch-sensing sensitivity, recommended for use as a sampling capacitor I/O; also ADC1_IN10 and OPAMP2_VOUT; alternate functions include TIM16_CH1, TSC_G2_IO3 and TIM1_BKIN."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) that is also ADC1_IN15, COMP2_INP and OPAMP2_VINP; alternate functions include TIM17_CH1, TSC_G2_IO4 and TIM1_CH1N."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) that is also ADC1_IN11, COMP4_INP and OPAMP2_VINP; alternate functions include TSC_G3_IO2 and TIM1_CH2N."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) that is also ADC1_IN12; alternate functions include TSC_G3_IO3, TIM1_CH3N and COMP4_OUT."
      },
      {
        "number": "20",
        "name": "PB2",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) that is also COMP4_INM; alternate function TSC_G3_IO4."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (TT); alternate functions include TIM2_CH3, TSC_SYNC and USART3_TX."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) that is also ADC1_IN14 and COMP6_INP; alternate functions include TIM2_CH4, TSC_G6_IO1 and USART3_RX."
      },
      {
        "number": "23",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "24",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply for I/O and the internal regulator, 2.0 to 3.6 V."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (TT); alternate functions include TSC_G6_IO2, I2C2_SMBAL, SPI2_NSS/I2S2_WS, TIM1_BKIN and USART3_CK."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) that is also ADC1_IN13; alternate functions include TSC_G6_IO3, SPI2_SCK/I2S2_CK, TIM1_CH1N and USART3_CTS."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) that is also OPAMP2_VINP; alternate functions include TIM15_CH1, TSC_G6_IO4, SPI2_MISO/I2S2ext_SD, TIM1_CH2N and USART3_RTS_DE."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "3.3 V tolerant I/O (TTa) that is also COMP6_INM; alternate functions include RTC_REFIN, TIM15_CH2, TIM15_CH1N, TIM1_CH3N and SPI2_MOSI/I2S2_SD."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate functions include MCO, I2C3_SCL, I2C2_SMBAL, I2S2_MCK, TIM1_CH1 and USART1_CK."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FTf, with I2C FM+ option) that is used by the bootloader for USART1 reprogramming; alternate functions include I2C3_SMBAL, TSC_G4_IO1, I2C2_SCL, TIM1_CH2 and USART1_TX."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FTf, with I2C FM+ option); alternate functions include TIM17_BKIN, TSC_G4_IO2, I2C2_SDA, SPI2_MISO/I2S2ext_SD, TIM1_CH3, USART1_RX, COMP6_OUT and TIM2_CH4."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate functions include SPI2_MOSI/I2S2_SD, TIM1_CH1N, USART1_CTS, TIM1_CH4 and TIM1_BKIN2."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate functions include TIM16_CH1, I2SCKIN, TIM1_CH2N, USART1_RTS_DE, COMP2_OUT and TIM1_ETR."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) that carries SWDIO, the serial-wire debug data line; alternate functions include TIM16_CH1N, TSC_G4_IO3, IR-OUT and USART3_CTS."
      },
      {
        "number": "35",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "36",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply, 2.0 to 3.6 V."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FTf, with I2C FM+ option) that carries SWCLK/JTCK, the serial-wire and JTAG clock; alternate functions include TSC_G4_IO4, I2C1_SDA, TIM1_BKIN and USART2_TX."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FTf, with I2C FM+ option) that carries JTDI, the JTAG data input; alternate functions include TIM2_CH1/TIM2_ETR, TSC_SYNC, I2C1_SCL, SPI3_NSS/I2S3_WS, USART2_RX and TIM1_BKIN."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) that carries JTDO/TRACESWO; alternate functions include TIM2_CH2, TSC_G5_IO1, SPI3_SCK/I2S3_CK and USART2_TX."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) that carries JTRST, the JTAG reset; alternate functions include TIM16_CH1, TSC_G5_IO2, SPI3_MISO/I2S3ext_SD, USART2_RX and TIM17_BKIN."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT); alternate functions include TIM16_BKIN, I2C1_SMBAl, SPI3_MOSI/I2S3_SD, USART2_CK, I2C3_SDA and TIM17_CH1."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FTf, with I2C FM+ option); alternate functions include TIM16_CH1N, TSC_G5_IO3, I2C1_SCL and USART1_TX."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FTf, with I2C FM+ option); alternate functions include TIM17_CH1N, TSC_G5_IO4, I2C1_SDA and USART1_RX."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot memory selection input (dedicated BOOT0 pin, 0 to 5.5 V) that, together with the BOOT1 option bit, selects boot from user Flash, system memory or embedded SRAM."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FTf, with I2C FM+ option); alternate functions include TIM16_CH1, TSC_SYNC, I2C1_SCL, USART3_RX and TIM1_BKIN."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FTf, with I2C FM+ option); alternate functions include TIM17_CH1, I2C1_SDA, IR-OUT, USART3_TX and COMP2_OUT."
      },
      {
        "number": "47",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "48",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply, 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: The LQFP48 column of Table 13 is complete for all 48 pins (pages 35-41), and the MPN suffix (T = LQF; Pin 4 is labelled 'OSC32_OUT (PC14)' in the Table 13 pin-name column, which looks like a datasheet t; Table 13 prints the PA13 alternate function as SWDIO, while Table 14 (port A alternate functions) pr"
        ],
        "pages_sent": 111,
        "cost_usd": 0.4128,
        "at": "2026-10-10T23:46:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182465090568192",
        "pages": 132,
        "sha256": "2d74508ff97e7bf2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "stm32f301c8t6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32f301c8t6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "407b61e189ba08bacd3da7d43d38c01f8b5557c77ca15ae8522e7de3b8768720",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-48(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "48"
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
    "stm32f301c8t6"
  ],
  "discovery_pitch": "STM32F301C8T6 (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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}