STM32G071CBT6

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32g071cbt6",
  "title": "STM32G071CBT6",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "mcu",
    "stm32g071cbt6"
  ],
  "component": {
    "mpn": "STM32G071CBT6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "MCU",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://www.st.com/resource/en/datasheet/stm32g071cbt6.pdf",
    "parts": {
      "symbol": "stm32g071cbt6.kicad_sym",
      "footprint": "stm32g071cbt6.kicad_mod",
      "model_3d": "stm32g071cbt6-etched.glb",
      "model_3d_plain": "stm32g071cbt6.glb",
      "model_3d_step": "stm32g071cbt6-etched.step",
      "model_3d_step_plain": "stm32g071cbt6.step",
      "lbr": "stm32g071cbt6.lbr"
    },
    "distributor_links": {
      "digikey": "497-18342-ND",
      "lcsc": "C432212"
    },
    "pins": [
      {
        "number": "1",
        "name": "PC13",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant (FT). Supplied through the RTC power switch - limited to <=2 MHz, <=30 pF, no current-source drive; not for driving LEDs."
      },
      {
        "number": "2",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO PC14 (FT) muxed with 32.768 kHz LSE crystal oscillator input (OSC32_IN). Supplied via the RTC power switch - same 2 MHz/30 pF drive limits as PC13."
      },
      {
        "number": "3",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO PC15 (FT) muxed with 32.768 kHz LSE crystal oscillator output (OSC32_OUT). Supplied via the RTC power switch - 2 MHz/30 pF drive limits apply."
      },
      {
        "number": "4",
        "name": "VBAT",
        "type": "power_in",
        "description": "RTC / backup domain supply. Connect to 1.55-3.6 V backup battery, or tie to VDD if unused. Powers RTC, LSE oscillator and backup registers when VDD is absent."
      },
      {
        "number": "5",
        "name": "VREF+",
        "type": "power_in",
        "description": "ADC/DAC positive reference input, 1.62 V to VDDA. Can be internally driven from VREFBUF (VREF_OUT) as the additional function."
      },
      {
        "number": "6",
        "name": "VDD/VDDA",
        "type": "power_in",
        "description": "Combined digital (VDD) and analog (VDDA) supply, 1.7 V to 3.6 V. Decouple with 100 nF close to pin; add a 1-10 µF bulk cap near the package."
      },
      {
        "number": "7",
        "name": "VSS/VSSA",
        "type": "power_in",
        "description": "Combined digital (VSS) and analog (VSSA) ground return. Tie to the board ground plane."
      },
      {
        "number": "8",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "GPIO PF0 (FT) muxed with the HSE crystal oscillator input (OSC_IN, 4-48 MHz)."
      },
      {
        "number": "9",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "GPIO PF1 (FT) muxed with the HSE crystal oscillator output (OSC_OUT)."
      },
      {
        "number": "10",
        "name": "PF2-NRST",
        "type": "bidirectional",
        "description": "Bidirectional device reset pin with an internal weak pull-up (also configurable as GPIO PF2 or MCO). Drive low to reset; a 100 nF decoupling cap is recommended."
      },
      {
        "number": "11",
        "name": "PA0",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant with analog switch (FT_a). Muxed with numerous peripherals - see notes."
      },
      {
        "number": "12",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant with analog switch (FT_a)."
      },
      {
        "number": "13",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant with analog switch (FT_a)."
      },
      {
        "number": "14",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant with analog switch (FT_a)."
      },
      {
        "number": "15",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O, 3.6 V tolerant with analog switch (TT_a)."
      },
      {
        "number": "16",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O, 3.6 V tolerant with analog switch (TT_a)."
      },
      {
        "number": "17",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant with analog switch (FT_a)."
      },
      {
        "number": "18",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant with analog switch (FT_a)."
      },
      {
        "number": "19",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant with analog switch (FT_a)."
      },
      {
        "number": "20",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant with analog switch (FT_a)."
      },
      {
        "number": "21",
        "name": "PB2",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant with analog switch (FT_a)."
      },
      {
        "number": "22",
        "name": "PB10",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, Fm+ capable with analog switch (FT_fa)."
      },
      {
        "number": "23",
        "name": "PB11",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, Fm+ capable with analog switch (FT_fa)."
      },
      {
        "number": "24",
        "name": "PB12",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant with analog switch (FT_a)."
      },
      {
        "number": "25",
        "name": "PB13",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, Fm+ capable (FT_f)."
      },
      {
        "number": "26",
        "name": "PB14",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, Fm+ capable (FT_f)."
      },
      {
        "number": "27",
        "name": "PB15",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, USB Type-C PD capable (FT_c)."
      },
      {
        "number": "28",
        "name": "PA8",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, USB Type-C PD capable (FT_c)."
      },
      {
        "number": "29",
        "name": "PA9",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, Fm+ capable, USB Type-C PD dead-battery function (FT_fd)."
      },
      {
        "number": "30",
        "name": "PC6",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant (FT)."
      },
      {
        "number": "31",
        "name": "PC7",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant (FT)."
      },
      {
        "number": "32",
        "name": "PA10",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, Fm+ capable, USB Type-C PD dead-battery function (FT_fd)."
      },
      {
        "number": "33",
        "name": "PA11 [PA9]",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, Fm+ capable (FT_f). Can be remapped as PA9 via SYSCFG_CFGR1 (swaps the PA9/PA10 pin pair with PA11/PA12)."
      },
      {
        "number": "34",
        "name": "PA12 [PA10]",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, Fm+ capable (FT_f). Can be remapped as PA10 via SYSCFG_CFGR1."
      },
      {
        "number": "35",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO PA13, 5 V tolerant (FT). Configured at reset as SWDIO with internal pull-up active - used for serial-wire debug."
      },
      {
        "number": "36",
        "name": "PA14-BOOT0",
        "type": "bidirectional",
        "description": "GPIO PA14 (FT) muxed with BOOT0 (system-memory boot select) and SWCLK. At reset it is SWCLK with an internal pull-down active."
      },
      {
        "number": "37",
        "name": "PA15",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant (FT)."
      },
      {
        "number": "38",
        "name": "PD0",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, USB Type-C PD capable (FT_c)."
      },
      {
        "number": "39",
        "name": "PD1",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, USB Type-C PD dead-battery function (FT_d)."
      },
      {
        "number": "40",
        "name": "PD2",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, USB Type-C PD capable (FT_c)."
      },
      {
        "number": "41",
        "name": "PD3",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, USB Type-C PD dead-battery function (FT_d)."
      },
      {
        "number": "42",
        "name": "PB3",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant with analog switch (FT_a)."
      },
      {
        "number": "43",
        "name": "PB4",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant with analog switch (FT_a)."
      },
      {
        "number": "44",
        "name": "PB5",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant (FT)."
      },
      {
        "number": "45",
        "name": "PB6",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, Fm+ capable with analog switch (FT_fa)."
      },
      {
        "number": "46",
        "name": "PB7",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, Fm+ capable with analog switch (FT_fa)."
      },
      {
        "number": "47",
        "name": "PB8",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, Fm+ capable (FT_f)."
      },
      {
        "number": "48",
        "name": "PB9",
        "type": "bidirectional",
        "description": "General-purpose I/O, 5 V tolerant, Fm+ capable (FT_f)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/stm32g071cbt6.pdf",
        "pages": 136,
        "sha256": "42c8a14c1c67b338",
        "source_tier": "mfr"
      },
      "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -4.1625,
        -2.75
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "LQFP-48_7x7mm_P0.5mm@sha256:1ccc5ad4d95398a4",
      "mark": "drawn"
    },
    "mcu": {
      "part_number": "STM32G071CBT6",
      "series": "STM32G0",
      "subfamily": "STM32G071",
      "core": "Arm Cortex-M0+",
      "frequency_mhz": 64,
      "flash_kb": 128,
      "ram_kb": 36,
      "io_count": 44,
      "package": "LQFP 48 7x7x1.4 mm",
      "marketing_status": "Active",
      "fpu": null,
      "supply_v_min": 1.7,
      "supply_v_max": 3.6,
      "temp_min_c": -40,
      "temp_max_c": 85,
      "adc_count": 1,
      "timers": 8,
      "in_distributor_stock": true,
      "product_folder": "/en/microcontrollers-microprocessors/stm32g071cb.html",
      "source": "st.com portfolio grid CL1734"
    },
    "models_3d": [
      {
        "file": "stm32g071cbt6.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32g071cbt6-etched.step",
        "role": "eda",
        "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": "9e21831fc4b2220dcebe64d1e9f01f13d7d2d6fec80c0d72ec898a158fbc12f8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Core": "Arm Cortex-M0+",
      "Max clock": "64 MHz",
      "Flash": "128 kB",
      "RAM": "36 kB",
      "I/O pins": 44,
      "ADC units": 1,
      "ST status": "Active",
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-48(7x7)",
      "Category": "MCU",
      "Pins": "48"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm32g071cbt6"
  ],
  "discovery_pitch": "STM32G071CBT6 (STMicroelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "stm32g071cbt6.kicad_sym",
    "stm32g071cbt6.kicad_mod",
    "stm32g071cbt6.glb",
    "stm32g071cbt6.step",
    "stm32g071cbt6-etched.step",
    "stm32g071cbt6.lbr",
    "docs/hero.png",
    "docs/stm32g071cbt6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
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  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "STM32G071CBT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6CBT3",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6CBT7",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6C8T6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6C8T3",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6C8T7",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6CBU6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6C8U6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6RBT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6R8T6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6RBI6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6KBT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6K8T6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6KBU6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6K8U6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6GBU6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6G8U6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G071CBT6EBY6",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T08:50:26.927Z"
}