STM32G071KBU3

{
  "slug": "stm32g071kbu3",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-32(5x5). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32g071kbu3",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32g071kbu3.kicad_sym",
    "stm32g071kbu3.kicad_mod",
    "stm32g071kbu3.glb",
    "stm32g071kbu3.step",
    "stm32g071kbu3.lbr",
    "docs/hero.png",
    "docs/stm32g071kbu3-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32g071kbu3-hero.glb",
    "stm32g071kbu3-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32G071KBU3",
    "manufacturer": "STMicroelectronics",
    "package": "UFQFPN-32(5x5)",
    "pin_count": 33,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907359465193472",
    "parts": {
      "symbol": "stm32g071kbu3.kicad_sym",
      "footprint": "stm32g071kbu3.kicad_mod",
      "model_3d": "stm32g071kbu3-hero.glb",
      "model_3d_plain": "stm32g071kbu3.glb",
      "model_3d_step": "stm32g071kbu3-etched.step",
      "model_3d_step_plain": "stm32g071kbu3.step",
      "lbr": "stm32g071kbu3.lbr"
    },
    "distributor_links": {
      "lcsc": "C724239",
      "digikey": "497-STM32G071KBU3-ND",
      "mouser": "511-STM32G071KBU3"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T21:43:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32G071KBU3-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32G071KBU3",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PB9",
        "type": "bidirectional",
        "description": "Fm+-capable 5 V tolerant (FT_f) I/O with alternate functions IR_OUT, UCPD2_FRSTX, TIM17_CH1, USART3_RX, SPI2_NSS, I2C1_SDA and EVENTOUT."
      },
      {
        "number": "2",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O on the power-switch supply, limited to a 3 mA sink, no more than 2 MHz at 30 pF in output mode and not to be used as a current source; it is also the OSC32_IN LSE oscillator input."
      },
      {
        "number": "3",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O on the power-switch supply, limited to a 3 mA sink, no more than 2 MHz at 30 pF in output mode and not to be used as a current source; it is also the OSC32_OUT LSE oscillator output."
      },
      {
        "number": "4",
        "name": "VDD/VDDA",
        "type": "power_in",
        "description": "Standard operating supply 1.7 V to 3.6 V, also the analog supply VDDA (1.62 V minimum for ADC and COMP, 1.8 V for DAC, 2.4 V for VREFBUF) on the same pin."
      },
      {
        "number": "5",
        "name": "VSS/VSSA",
        "type": "power_in",
        "description": "Ground reference pin for digital and analog circuits; all voltages are referenced to VSS."
      },
      {
        "number": "6",
        "name": "PF2-NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up resistor, also usable as PF2 I/O (FT) with MCO alternate function."
      },
      {
        "number": "7",
        "name": "PA0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch function (FT_a), with ADC_IN0, COMP1_INM, WKUP1, USART2_CTS, SPI2_SCK, USART4_TX, LPTIM1_OUT and COMP1_OUT alternate functions."
      },
      {
        "number": "8",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch function (FT_a), with ADC_IN1, COMP1_INP, SPI1_SCK/I2S1_CK, USART2_RTS_DE_CK, USART4_RX, TIM15_CH1N, I2C1_SMBA and EVENTOUT alternate functions."
      },
      {
        "number": "9",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch function (FT_a), with ADC_IN2, COMP2_INM, WKUP4, LSCO, SPI1_MOSI/I2S1_SD, USART2_TX, LPUART1_TX and COMP2_OUT alternate functions."
      },
      {
        "number": "10",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch function (FT_a), with ADC_IN3, COMP2_INP, SPI2_MISO, USART2_RX, TIM2_CH4, LPUART1_RX and EVENTOUT alternate functions."
      },
      {
        "number": "11",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O with analog switch function (TT_a), with ADC_IN4, DAC_OUT1, SPI1_NSS/I2S1_WS, SPI2_MOSI, TIM14_CH1, LPTIM2_OUT and EVENTOUT alternate functions."
      },
      {
        "number": "12",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.6 V tolerant I/O with analog switch function (TT_a), with ADC_IN5, DAC_OUT2, SPI1_SCK/I2S1_CK, CEC, TIM2_CH1_ETR, USART3_TX, LPTIM2_ETR and EVENTOUT alternate functions."
      },
      {
        "number": "13",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch function (FT_a), with ADC_IN6, SPI1_MISO/I2S1_MCK, TIM3_CH1, TIM1_BKIN, USART3_CTS, TIM16_CH1, LPUART1_CTS and COMP1_OUT alternate functions."
      },
      {
        "number": "14",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch function (FT_a), with ADC_IN7, SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM1_CH1N, TIM14_CH1, TIM17_CH1, UCPD1_FRSTX and COMP2_OUT alternate functions."
      },
      {
        "number": "15",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch function (FT_a), with ADC_IN8, SPI1_NSS/I2S1_WS, TIM3_CH3, TIM1_CH2N, USART3_RX, LPTIM1_OUT, UCPD1_FRSTX and COMP1_OUT alternate functions."
      },
      {
        "number": "16",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch function (FT_a), with ADC_IN9, COMP1_INM, TIM14_CH1, TIM3_CH4, TIM1_CH3N, USART3_RTS_DE_CK, LPTIM2_IN1, LPUART1_RTS_DE and EVENTOUT alternate functions."
      },
      {
        "number": "17",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch function (FT_a) on the GP version, with ADC_IN10, COMP1_INP, SPI2_MISO, USART3_TX, LPTIM1_OUT and EVENTOUT alternate functions."
      },
      {
        "number": "18",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT_c, USB Type-C PD capable) with MCO, SPI2_NSS, TIM1_CH1, LPTIM2_OUT, EVENTOUT and UCPD1_CC1 alternate functions; a reset-time pull-down may be present depending on PB0 level, removable by strobing UCPD1_STROBE in SYSCFG_CFGR1."
      },
      {
        "number": "19",
        "name": "PA9",
        "type": "bidirectional",
        "description": "Fm+-capable 5 V tolerant I/O with dead-battery function (FT_fd, USB Type-C PD) with MCO, USART1_TX, TIM1_CH2, SPI2_MISO, TIM15_BKIN, I2C1_SCL, EVENTOUT and UCPD1_DBCC1 alternate functions; can be remapped in place of PA11 via SYSCFG_CFGR1."
      },
      {
        "number": "20",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) with UCPD1_FRSTX, TIM3_CH1 and TIM2_CH3 alternate functions."
      },
      {
        "number": "21",
        "name": "PA10",
        "type": "bidirectional",
        "description": "Fm+-capable 5 V tolerant I/O with dead-battery function (FT_fd, USB Type-C PD) with SPI2_MOSI, USART1_RX, TIM1_CH3, TIM17_BKIN, I2C1_SDA, EVENTOUT and UCPD1_DBCC2 alternate functions; can be remapped in place of PA12 via SYSCFG_CFGR1."
      },
      {
        "number": "22",
        "name": "PA11 [PA9]",
        "type": "bidirectional",
        "description": "Fm+-capable 5 V tolerant I/O (FT_f) with SPI1_MISO/I2S1_MCK, USART1_CTS, TIM1_CH4, TIM1_BKIN2, I2C2_SCL and COMP1_OUT alternate functions; default mapping is PA11, remappable as PA9 via SYSCFG_CFGR1."
      },
      {
        "number": "23",
        "name": "PA12 [PA10]",
        "type": "bidirectional",
        "description": "Fm+-capable 5 V tolerant I/O (FT_f) with SPI1_MOSI/I2S1_SD, USART1_RTS_DE_CK, TIM1_ETR, I2S_CKIN, I2C2_SDA and COMP2_OUT alternate functions; default mapping is PA12, remappable as PA10 via SYSCFG_CFGR1."
      },
      {
        "number": "24",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) that after reset is the SWDIO debug function with internal pull-up enabled; also IR_OUT and EVENTOUT alternate functions."
      },
      {
        "number": "25",
        "name": "PA14-BOOT0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) that after reset is the SWCLK debug function with internal pull-down enabled; it is also the BOOT0 boot-mode pin when enabled through the boot selector option bit, and has USART2_TX and EVENTOUT alternate functions."
      },
      {
        "number": "26",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) on the GP version with SPI1_NSS/I2S1_WS, USART2_RX, TIM2_CH1_ETR, USART4_RTS_DE_CK, USART3_RTS_DE_CK and EVENTOUT alternate functions."
      },
      {
        "number": "27",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch function (FT_a) on the GP version, with COMP2_INM, SPI1_SCK/I2S1_CK, TIM1_CH2, TIM2_CH2, USART1_RTS_DE_CK and EVENTOUT alternate functions."
      },
      {
        "number": "28",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with analog switch function (FT_a) on the GP version, with COMP2_INP, SPI1_MISO/I2S1_MCK, TIM3_CH1, USART1_CTS, TIM17_BKIN and EVENTOUT alternate functions."
      },
      {
        "number": "29",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (FT) on the GP version with SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM16_BKIN, LPTIM1_IN1, I2C1_SMBA, COMP2_OUT and WKUP6 functions."
      },
      {
        "number": "30",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Fm+-capable 5 V tolerant I/O with analog switch function (FT_fa) with USART1_TX, TIM1_CH3, TIM16_CH1N, SPI2_MISO, LPTIM1_ETR, I2C1_SCL, EVENTOUT and COMP2_INP alternate functions."
      },
      {
        "number": "31",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Fm+-capable 5 V tolerant I/O with analog switch function (FT_fa) with USART1_RX, SPI2_MOSI, TIM17_CH1N, USART4_CTS, LPTIM1_IN2, I2C1_SDA, EVENTOUT, COMP2_INM and PVD_IN alternate functions."
      },
      {
        "number": "32",
        "name": "PB8",
        "type": "bidirectional",
        "description": "Fm+-capable 5 V tolerant I/O (FT_f) with CEC, SPI2_SCK, TIM16_CH1, USART3_TX, TIM15_BKIN, I2C1_SCL and EVENTOUT alternate functions."
      },
      {
        "number": "33",
        "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: The MPN STM32G071KBU3 has no 'N' suffix, so this extraction uses the GP version of the UFQFPN32 pino; The UFQFPN32 exposed die pad on the underside is noted in the package drawing but is not given a num; Table 12 text is garbled in extraction for the PC14/PC15 rows; the 32-pin positions (PC14 = 2, PC15 ",
          "exposed pad 33 added from the footprint"
        ],
        "pages_sent": 64,
        "cost_usd": 0.2953,
        "at": "2026-10-08T21:43:33"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907359465193472",
        "pages": 133,
        "sha256": "96d7e9ca1500e794",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stm32g071kbu3.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "90af021df1253eae35bee4f4a4f9ba63bcf4a308f6e9f12d58f6e00181c23140",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32g071kbu3-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7bda9b2042c697d26b5e6f58d4c490bfcc451bd51e76d953c4f23e2ea4a7578c",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}