STM32F071CBT7

{
  "slug": "stm32f071cbt7",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32f071cbt7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32f071cbt7.kicad_sym",
    "stm32f071cbt7.kicad_mod",
    "stm32f071cbt7.glb",
    "stm32f071cbt7.step",
    "stm32f071cbt7.lbr",
    "docs/hero.png",
    "docs/stm32f071cbt7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32f071cbt7-hero.glb",
    "stm32f071cbt7-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32F071CBT7",
    "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/8588922497593462784",
    "parts": {
      "symbol": "stm32f071cbt7.kicad_sym",
      "footprint": "stm32f071cbt7.kicad_mod",
      "model_3d": "stm32f071cbt7-hero.glb",
      "model_3d_plain": "stm32f071cbt7.glb",
      "model_3d_step": "stm32f071cbt7-etched.step",
      "model_3d_step_plain": "stm32f071cbt7.step",
      "lbr": "stm32f071cbt7.lbr"
    },
    "distributor_links": {
      "lcsc": "C1342033",
      "digikey": "497-STM32F071CBT7-ND",
      "mouser": "511-STM32F071CBT7"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T04:55:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32F071CBT7-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F071CBT7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup power supply for the RTC, the 32 kHz oscillator and backup registers, 1.65 to 3.6 V, used when VDD is not present."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O supplied through the power switch (sink limited to 3 mA); in output mode it must not exceed 2 MHz with a 30 pF maximum load and must not source current such as driving an LED; also WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O supplied through the power switch with the same 3 mA, 2 MHz / 30 pF and no-current-source limits as PC13; alternate function OSC32_IN (32 kHz oscillator input)."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O supplied through the power switch with the same 3 mA, 2 MHz / 30 pF and no-current-source limits as PC13; alternate function OSC32_OUT (32 kHz oscillator output)."
      },
      {
        "number": "5",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O; alternate functions CRS_SYNC and OSC_IN (external 4-32 MHz crystal oscillator input)."
      },
      {
        "number": "6",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O; alternate function OSC_OUT (external 4-32 MHz crystal oscillator output)."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low bidirectional reset pin with embedded weak pull-up, acting as device reset input and internal reset output."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply for ADC, DAC, reset blocks, RCs and PLL; must be greater than or equal to VDD and established first, with a minimum of 2.4 V when the ADC or DAC is used, up to 3.6 V."
      },
      {
        "number": "10",
        "name": "PA0",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include USART2_CTS, TIM2_CH1_ETR, TSC_G1_IO1, USART4_TX; additional functions ADC_IN0, WKUP1, COMP1_OUT, COMP1_INM6, RTC_TAMP2."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include USART2_RTS, TIM2_CH2, TIM15_CH1N, TSC_G1_IO2, USART4_RX, EVENTOUT; additional functions ADC_IN1 and COMP1_INP."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include USART2_TX, TIM2_CH3, TIM15_CH1, TSC_G1_IO3; additional functions ADC_IN2, COMP2_OUT, COMP2_INM6, WKUP4."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include USART2_RX, TIM2_CH4, TIM15_CH2, TSC_G1_IO4; additional functions ADC_IN3 and COMP2_INP."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include SPI1_NSS, I2S1_WS, TIM14_CH1, TSC_G2_IO1, USART2_CK; additional functions ADC_IN4 and DAC_OUT1."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include SPI1_SCK, I2S1_CK, CEC, TIM2_CH1_ETR, TSC_G2_IO2; additional functions ADC_IN5 and DAC_OUT2."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include SPI1_MISO, I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, COMP1_OUT, TSC_G2_IO3, EVENTOUT, USART3_CTS; additional function ADC_IN6."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include SPI1_MOSI, I2S1_SD, TIM3_CH2, TIM14_CH1, TIM1_CH1N, TIM17_CH1, COMP2_OUT, TSC_G2_IO4, EVENTOUT; additional function ADC_IN7."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include TIM3_CH3, TIM1_CH2N, TSC_G3_IO2, EVENTOUT, USART3_CK; additional function ADC_IN8."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include TIM3_CH4, USART3_RTS, TIM14_CH1, TIM1_CH3N, TSC_G3_IO3; additional function ADC_IN9."
      },
      {
        "number": "20",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O; alternate function TSC_G3_IO4 (capacitive sensing)."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O; alternate functions include SPI2_SCK, I2C2_SCL, USART3_TX, CEC, TSC_SYNC, TIM2_CH3."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O; alternate functions include USART3_RX, TIM2_CH4, EVENTOUT, TSC_G6_IO1, I2C2_SDA."
      },
      {
        "number": "23",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital power supply, 2.0 to 3.6 V, for I/Os and the internal regulator."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O; alternate functions include TIM1_BKIN, TIM15_BKIN, SPI2_NSS, I2S2_WS, USART3_CK, TSC_G6_IO2, EVENTOUT."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with FM+ capability (FTf); alternate functions include SPI2_SCK, I2S2_CK, I2C2_SCL, USART3_CTS, TIM1_CH1N, TSC_G6_IO3."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with FM+ capability (FTf); alternate functions include SPI2_MISO, I2S2_MCK, I2C2_SDA, USART3_RTS, TIM1_CH2N, TIM15_CH1, TSC_G6_IO4."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O; alternate functions include SPI2_MOSI, I2S2_SD, TIM1_CH3N, TIM15_CH1N, TIM15_CH2; additional functions WKUP7 and RTC_REFIN."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O supplied by VDDIO2; alternate functions include USART1_CK, TIM1_CH1, EVENTOUT, MCO, CRS_SYNC."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O supplied by VDDIO2; alternate functions include USART1_TX, TIM1_CH2, TIM15_BKIN, TSC_G4_IO1."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O supplied by VDDIO2; alternate functions include USART1_RX, TIM1_CH3, TIM17_BKIN, TSC_G4_IO2."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O supplied by VDDIO2; alternate functions include USART1_CTS, TIM1_CH4, COMP1_OUT, TSC_G4_IO3, EVENTOUT."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O supplied by VDDIO2; alternate functions include USART1_RTS, TIM1_ETR, COMP2_OUT, TSC_G4_IO4, EVENTOUT."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O supplied by VDDIO2; after reset it is the SWDIO alternate function with internal pull-up enabled; also IR_OUT."
      },
      {
        "number": "35",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "36",
        "name": "VDDIO2",
        "type": "power_in",
        "description": "Digital power supply for the VDDIO2-supplied I/Os, 1.65 to 3.6 V, independent of VDD but not to be applied without a valid VDD supply."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O supplied by VDDIO2; after reset it is the SWCLK alternate function with internal pull-down enabled; also USART2_TX."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O supplied by VDDIO2; alternate functions include SPI1_NSS, I2S1_WS, USART2_RX, USART4_RTS, TIM2_CH1_ETR, EVENTOUT."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O; alternate functions include SPI1_SCK, I2S1_CK, TIM2_CH2, TSC_G5_IO1, EVENTOUT."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O; alternate functions include SPI1_MISO, I2S1_MCK, TIM17_BKIN, TIM3_CH1, TSC_G5_IO2, EVENTOUT."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O; alternate functions include SPI1_MOSI, I2S1_SD, I2C1_SMBA, TIM16_BKIN, TIM3_CH2; additional function WKUP6."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with FM+ capability (FTf); alternate functions include I2C1_SCL, USART1_TX, TIM16_CH1N, TSC_G5_IO3."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with FM+ capability (FTf); alternate functions include I2C1_SDA, USART1_RX, USART4_CTS, TIM17_CH1N, TSC_G5_IO4."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated boot memory selection pin that selects the boot mode together with the boot selector option bit at startup."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with FM+ capability (FTf); alternate functions include I2C1_SCL, CEC, TIM16_CH1, TSC_SYNC."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with FM+ capability (FTf); alternate functions include SPI2_NSS, I2S2_WS, I2C1_SDA, IR_OUT, TIM17_CH1, EVENTOUT."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital power supply, 2.0 to 3.6 V, for I/Os and the internal regulator."
      }
    ],
    "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: Pin list is taken from the LQFP48/UFQFPN48 column of Table 14 (pin definitions, pages 35-41); the da; Pin 2 PC13, pin 3 PC14, pin 4 PC15 and pin 37 PA14 types/limits come from table footnotes (1)-(4); t; The output schema has no field for headline specs, so the supply and temperature specs (VDD 2.0-3.6 "
        ],
        "pages_sent": 60,
        "cost_usd": 0.2743,
        "at": "2026-10-08T04:55:24"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922497593462784",
        "pages": 122,
        "sha256": "054f3806403d4305",
        "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": [
      {
        "file": "stm32f071cbt7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32f071cbt7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d64f174e837313673efe732f9344975fee76bd8ed6ead04e52a63e3f338ad1d0",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}