STM32F072CBU7

{
  "slug": "stm32f072cbu7",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32f072cbu7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32f072cbu7.kicad_sym",
    "stm32f072cbu7.kicad_mod",
    "stm32f072cbu7.glb",
    "stm32f072cbu7.step",
    "stm32f072cbu7.lbr",
    "docs/hero.png",
    "docs/stm32f072cbu7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32f072cbu7-hero.glb",
    "stm32f072cbu7-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32F072CBU7",
    "manufacturer": "STMicroelectronics",
    "package": "UFQFPN-48(7x7)",
    "pin_count": 49,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922558518976512",
    "parts": {
      "symbol": "stm32f072cbu7.kicad_sym",
      "footprint": "stm32f072cbu7.kicad_mod",
      "model_3d": "stm32f072cbu7-hero.glb",
      "model_3d_plain": "stm32f072cbu7.glb",
      "model_3d_step": "stm32f072cbu7-etched.step",
      "model_3d_step_plain": "stm32f072cbu7.step",
      "lbr": "stm32f072cbu7.lbr"
    },
    "distributor_links": {
      "lcsc": "C1342708",
      "digikey": "497-STM32F072CBU7-ND",
      "mouser": "511-STM32F072CBU7"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T16:11:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32F072CBU7-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F072CBU7",
        "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, limited to 3 mA sink, so output speed should not exceed 2 MHz at 30 pF and it must not drive current sources; also WKUP2, RTC_TAMP1, RTC_TS and RTC_OUT."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O on the backup power switch with the same 3 mA and 2 MHz / 30 pF output limits as PC13, and the alternate function OSC32_IN (32.768 kHz oscillator input)."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O on the backup power switch with the same 3 mA and 2 MHz / 30 pF output limits as PC13, and the alternate function OSC32_OUT (32.768 kHz oscillator output)."
      },
      {
        "number": "5",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with alternate functions CRS_SYNC and OSC_IN (external 4 to 32 MHz crystal oscillator input)."
      },
      {
        "number": "6",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with the alternate function OSC_OUT (external 4 to 32 MHz crystal oscillator output)."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Device reset input and internal reset output, active low, with an embedded weak pull-up resistor."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply from VDD to 3.6 V, which must always be greater than or equal to VDD and be established first; minimum 2.4 V when the ADC or DAC is used."
      },
      {
        "number": "10",
        "name": "PA0",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (ADC_IN0) with alternate functions USART2_CTS, TIM2_CH1_ETR, COMP1_OUT, TSC_G1_IO1 and USART4_TX, and additional functions WKUP1, RTC_TAMP2 and COMP1_INM6."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (ADC_IN1) with alternate functions USART2_RTS, TIM2_CH2, TIM15_CH1N, TSC_G1_IO2, USART4_RX and EVENTOUT, and additional function COMP1_INP."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (ADC_IN2) with alternate functions USART2_TX, COMP2_OUT, TIM2_CH3, TIM15_CH1 and TSC_G1_IO3, and additional functions COMP2_INM6 and WKUP4."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (ADC_IN3) with alternate functions USART2_RX, TIM2_CH4, TIM15_CH2 and TSC_G1_IO4, and additional function COMP2_INP."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (ADC_IN4) with alternate functions SPI1_NSS, I2S1_WS, USART2_CK, TIM14_CH1 and TSC_G2_IO1, and additional functions COMP1_INM4, COMP2_INM4 and DAC_OUT1."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (ADC_IN5) with alternate functions SPI1_SCK, I2S1_CK, CEC, TIM2_CH1_ETR and TSC_G2_IO2, and additional functions COMP1_INM5, COMP2_INM5 and DAC_OUT2."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (ADC_IN6) with alternate functions SPI1_MISO, I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, COMP1_OUT, TSC_G2_IO3, EVENTOUT and USART3_CTS."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (ADC_IN7) with alternate functions SPI1_MOSI, I2S1_SD, TIM3_CH2, TIM14_CH1, TIM1_CH1N, TIM17_CH1, COMP2_OUT, TSC_G2_IO4 and EVENTOUT."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (ADC_IN8) with alternate functions TIM3_CH3, TIM1_CH2N, TSC_G3_IO2, EVENTOUT and USART3_CK."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "3.3 V-tolerant I/O directly connected to ADC (ADC_IN9) with alternate functions TIM14_CH1, TIM3_CH4, USART3_RTS, TIM1_CH3N and TSC_G3_IO3."
      },
      {
        "number": "20",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with the alternate function TSC_G3_IO4 (capacitive sensing)."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with alternate functions SPI2_SCK, I2C2_SCL, USART3_TX, CEC, TSC_SYNC and TIM2_CH3."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with alternate functions USART3_RX, TIM2_CH4, EVENTOUT, TSC_G6_IO1 and 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, which also supplies the internal regulator."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with alternate functions TIM1_BKIN, TIM15_BKIN, SPI2_NSS, I2S2_WS, USART3_CK, TSC_G6_IO2 and EVENTOUT."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, FM+ capable, with alternate functions SPI2_SCK, I2S2_CK, I2C2_SCL, USART3_CTS, TIM1_CH1N and TSC_G6_IO3."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, FM+ capable, with alternate functions SPI2_MISO, I2S2_MCK, I2C2_SDA, USART3_RTS, TIM1_CH2N, TIM15_CH1 and TSC_G6_IO4."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with alternate functions SPI2_MOSI, I2S2_SD, TIM1_CH3N, TIM15_CH1N and TIM15_CH2, and additional functions WKUP7 and RTC_REFIN."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O supplied by VDDIO2 with alternate functions USART1_CK, TIM1_CH1, EVENTOUT, MCO and CRS_SYNC."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O supplied by VDDIO2 with alternate functions USART1_TX, TIM1_CH2, TIM15_BKIN and TSC_G4_IO1."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O supplied by VDDIO2 with alternate functions USART1_RX, TIM1_CH3, TIM17_BKIN and TSC_G4_IO2."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O supplied by VDDIO2 with alternate functions CAN_RX, USART1_CTS, TIM1_CH4, COMP1_OUT, TSC_G4_IO3 and EVENTOUT, and additional function USB_DM."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O supplied by VDDIO2 with alternate functions CAN_TX, USART1_RTS, TIM1_ETR, COMP2_OUT, TSC_G4_IO4 and EVENTOUT, and additional function USB_DP."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O supplied by VDDIO2 that after reset is the SWDIO alternate function with internal pull-up enabled, also IR_OUT and USB_NOE."
      },
      {
        "number": "35",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "36",
        "name": "VDDIO2",
        "type": "power_in",
        "description": "Digital power supply for the marked I/Os, 1.65 to 3.6 V, independent from VDD but not to be provided without a valid VDD supply."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O supplied by VDDIO2 that after reset 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 with alternate functions SPI1_NSS, I2S1_WS, USART2_RX, USART4_RTS, TIM2_CH1_ETR and EVENTOUT."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with alternate functions SPI1_SCK, I2S1_CK, TIM2_CH2, TSC_G5_IO1 and EVENTOUT."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with alternate functions SPI1_MISO, I2S1_MCK, TIM17_BKIN, TIM3_CH1, TSC_G5_IO2 and EVENTOUT."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O with alternate functions SPI1_MOSI, I2S1_SD, I2C1_SMBA, TIM16_BKIN and TIM3_CH2, and additional function WKUP6."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, FM+ capable, with alternate functions I2C1_SCL, USART1_TX, TIM16_CH1N and TSC_G5_IO3."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, FM+ capable, with alternate functions I2C1_SDA, USART1_RX, USART4_CTS, TIM17_CH1N and TSC_G5_IO4; I2C1 can sink 20 mA in Fast Mode Plus."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated boot pin which, together with the boot selector option bit, selects user Flash, system memory or embedded SRAM as the boot source at startup."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, FM+ capable, with alternate functions I2C1_SCL, CEC, TIM16_CH1, TSC_SYNC and CAN_RX."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O, FM+ capable, with alternate functions SPI2_NSS, I2S2_WS, I2C1_SDA, IR_OUT, TIM17_CH1, EVENTOUT and CAN_TX."
      },
      {
        "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, which also supplies the internal regulator."
      },
      {
        "number": "49",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: Pinout was taken from the LQFP48/UFQFPN48 column of Table 14 (pin definitions, pages 36-43) because ; The UFQFPN48 package has an exposed die pad on its underside (package outline note 3, page 118). It ; Pin types follow KiCad ERC classes: supply and ground pins are power_in, the I/O pins are bidirectio",
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 65,
        "cost_usd": 0.2817,
        "at": "2026-10-11T16:11:27"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922558518976512",
        "pages": 128,
        "sha256": "b01391f094699aeb",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stm32f072cbu7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32f072cbu7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c197959ef78a6838f2fee8b831670977aa9f7f9be5cbf3ae476da06aaf0e8b42",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}