STM32G070CBT6

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32g070cbt6",
  "title": "STM32G070CBT6",
  "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",
    "stm32g070cbt6"
  ],
  "component": {
    "mpn": "STM32G070CBT6",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "MCU",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://www.st.com/resource/en/datasheet/stm32g070cbt6.pdf",
    "parts": {
      "symbol": "stm32g070cbt6.kicad_sym",
      "footprint": "stm32g070cbt6.kicad_mod",
      "model_3d": "stm32g070cbt6-etched.glb",
      "model_3d_plain": "stm32g070cbt6.glb",
      "model_3d_step": "stm32g070cbt6-etched.step",
      "model_3d_step_plain": "stm32g070cbt6.step",
      "lbr": "stm32g070cbt6.lbr"
    },
    "distributor_links": {
      "digikey": "497-STM32G070CBT6-ND",
      "lcsc": "C529338"
    },
    "pins": [
      {
        "number": "1",
        "name": "PC13",
        "type": "bidirectional",
        "description": "General-purpose I/O port C bit 13. FT (5 V tolerant). Alternate: TIM1_BKIN. Additional: TAMP_IN1, RTC_TS, RTC_OUT1, WKUP2. Supplied through RTC/backup power switch - limited output drive."
      },
      {
        "number": "2",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO PC14, doubles as LSE 32.768 kHz oscillator input (OSC32_IN). FT structure. Alternate: TIM1_BKIN2."
      },
      {
        "number": "3",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO PC15, doubles as LSE 32.768 kHz oscillator output (OSC32_OUT). FT structure. Alternate: OSC32_EN, OSC_EN, TIM15_BKIN."
      },
      {
        "number": "4",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup battery supply for RTC and backup registers. Powers the RTC domain when VDD is absent."
      },
      {
        "number": "5",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive external reference voltage for the ADC. Range typically 2.0 V to VDDA."
      },
      {
        "number": "6",
        "name": "VDD/VDDA",
        "type": "power_in",
        "description": "Main digital and analog supply, 2.0 V to 3.6 V. VDD and VDDA are bonded to a single pin in LQFP48."
      },
      {
        "number": "7",
        "name": "VSS/VSSA",
        "type": "power_in",
        "description": "Common ground for digital and analog domains (VSS and VSSA bonded)."
      },
      {
        "number": "8",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "GPIO PF0, doubles as HSE crystal/resonator input (OSC_IN). FT structure. Alternate: TIM14_CH1."
      },
      {
        "number": "9",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "GPIO PF1, doubles as HSE crystal output (OSC_OUT). FT structure. Alternate: OSC_EN, TIM15_CH1N."
      },
      {
        "number": "10",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional device reset, active-low, with embedded weak pull-up (~40 kΩ). Drive low >20 µs to reset. Filtered."
      },
      {
        "number": "11",
        "name": "PA0",
        "type": "bidirectional",
        "description": "GPIO PA0, 5 V tolerant with analog switch. Alt: SPI2_SCK, USART2_CTS, USART4_TX. Additional: ADC_IN0, TAMP_IN2, WKUP1."
      },
      {
        "number": "12",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1, FT_a. Alt: SPI1_SCK/I2S1_CK, USART2_RTS_DE_CK, USART4_RX, TIM15_CH1N, I2C1_SMBA, EVENTOUT. Additional: ADC_IN1."
      },
      {
        "number": "13",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2, FT_a. Alt: SPI1_MOSI/I2S1_SD, USART2_TX, TIM15_CH1. Additional: ADC_IN2, WKUP4, LSCO."
      },
      {
        "number": "14",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3, FT_a. Alt: SPI2_MISO, USART2_RX, TIM15_CH2, EVENTOUT. Additional: ADC_IN3."
      },
      {
        "number": "15",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4, TT_a (3.6 V tolerant with analog switch). Alt: SPI1_NSS/I2S1_WS, SPI2_MOSI, TIM14_CH1, EVENTOUT. Additional: ADC_IN4, RTC_OUT2."
      },
      {
        "number": "16",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5, TT_a. Alt: SPI1_SCK/I2S1_CK, USART3_TX, EVENTOUT. Additional: ADC_IN5."
      },
      {
        "number": "17",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6, FT_a. Alt: SPI1_MISO/I2S1_MCK, TIM3_CH1, TIM1_BKIN, USART3_CTS, TIM16_CH1. Additional: ADC_IN6."
      },
      {
        "number": "18",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7, FT_a. Alt: SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM1_CH1N, TIM14_CH1, TIM17_CH1. Additional: ADC_IN7."
      },
      {
        "number": "19",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0, FT_a. Alt: SPI1_NSS/I2S1_WS, TIM3_CH3, TIM1_CH2N, USART3_RX. Additional: ADC_IN8. May have a reset-time pull-down (see UCPDx_STROBE)."
      },
      {
        "number": "20",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1, FT_a. Alt: TIM14_CH1, TIM3_CH4, TIM1_CH3N, USART3_RTS_DE_CK, EVENTOUT. Additional: ADC_IN9."
      },
      {
        "number": "21",
        "name": "PB2",
        "type": "bidirectional",
        "description": "GPIO PB2, FT_a. Alt: SPI2_MISO, USART3_TX, EVENTOUT. Additional: ADC_IN10."
      },
      {
        "number": "22",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO PB10, FT_fa (Fast-mode Plus I2C capable, analog switch). Alt: USART3_TX, SPI2_SCK, I2C2_SCL. Additional: ADC_IN11."
      },
      {
        "number": "23",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO PB11, FT_fa. Alt: SPI2_MOSI, USART3_RX, I2C2_SDA. Additional: ADC_IN15."
      },
      {
        "number": "24",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO PB12, FT_a. Alt: SPI2_NSS, TIM1_BKIN, TIM15_BKIN, EVENTOUT. Additional: ADC_IN16."
      },
      {
        "number": "25",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO PB13, FT_f (Fm+ capable). Alt: SPI2_SCK, TIM1_CH1N, USART3_CTS, TIM15_CH1N, I2C2_SCL, EVENTOUT."
      },
      {
        "number": "26",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO PB14, FT_f. Alt: SPI2_MISO, TIM1_CH2N, USART3_RTS_DE_CK, TIM15_CH1, I2C2_SDA, EVENTOUT."
      },
      {
        "number": "27",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO PB15, FT_c (specific electrical characteristics). Alt: SPI2_MOSI, TIM1_CH3N, TIM15_CH1N, TIM15_CH2, EVENTOUT. Additional: RTC_REFIN."
      },
      {
        "number": "28",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO PA8, FT_c. Alt: MCO (main clock output), SPI2_NSS, TIM1_CH1, EVENTOUT. May have a reset-time pull-down."
      },
      {
        "number": "29",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO PA9, FT_fd. Alt: MCO, USART1_TX, TIM1_CH2, SPI2_MISO, TIM15_BKIN, I2C1_SCL, EVENTOUT. May have reset-time pull-down."
      },
      {
        "number": "30",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO PC6, FT. Alt: TIM3_CH1. May have reset-time pull-down."
      },
      {
        "number": "31",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO PC7, FT. Alt: TIM3_CH2."
      },
      {
        "number": "32",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO PA10, FT_fd. Alt: SPI2_MOSI, USART1_RX, TIM1_CH3, TIM17_BKIN, I2C1_SDA, EVENTOUT. May have reset-time pull-down."
      },
      {
        "number": "33",
        "name": "PA11 [PA9]",
        "type": "bidirectional",
        "description": "GPIO PA11 (remappable to PA9 via SYSCFG_CFGR1). FT_f. Alt: SPI1_MISO/I2S1_MCK, USART1_CTS, TIM1_CH4, TIM1_BKIN2, I2C2_SCL."
      },
      {
        "number": "34",
        "name": "PA12 [PA10]",
        "type": "bidirectional",
        "description": "GPIO PA12 (remappable to PA10 via SYSCFG_CFGR1). FT_f. Alt: SPI1_MOSI/I2S1_SD, USART1_RTS_DE_CK, TIM1_ETR, I2S_CKIN, I2C2_SDA."
      },
      {
        "number": "35",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO PA13, FT. Default after reset: SWDIO (Serial Wire Debug data) with internal pull-up. Alt: IR_OUT, EVENTOUT."
      },
      {
        "number": "36",
        "name": "PA14-BOOT0",
        "type": "bidirectional",
        "description": "GPIO PA14, FT. Default after reset: SWCLK (Serial Wire Debug clock) with internal pull-down. Also BOOT0 selection input at reset. Alt: USART2_TX, EVENTOUT."
      },
      {
        "number": "37",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO PA15, FT. Alt: SPI1_NSS/I2S1_WS, USART2_RX, USART4_RTS_DE_CK, USART3_RTS_DE_CK, EVENTOUT."
      },
      {
        "number": "38",
        "name": "PD0",
        "type": "bidirectional",
        "description": "GPIO PD0, FT_c. Alt: EVENTOUT, SPI2_NSS, TIM16_CH1. May have reset-time pull-down."
      },
      {
        "number": "39",
        "name": "PD1",
        "type": "bidirectional",
        "description": "GPIO PD1, FT_d. Alt: EVENTOUT, SPI2_SCK, TIM17_CH1. May have reset-time pull-down."
      },
      {
        "number": "40",
        "name": "PD2",
        "type": "bidirectional",
        "description": "GPIO PD2, FT_c. Alt: USART3_RTS_DE_CK, TIM3_ETR, TIM1_CH1N. May have reset-time pull-down."
      },
      {
        "number": "41",
        "name": "PD3",
        "type": "bidirectional",
        "description": "GPIO PD3, FT_d. Alt: USART2_CTS, SPI2_MISO, TIM1_CH2N. May have reset-time pull-down."
      },
      {
        "number": "42",
        "name": "PB3",
        "type": "bidirectional",
        "description": "GPIO PB3, FT_a. Alt: SPI1_SCK/I2S1_CK, TIM1_CH2, USART1_RTS_DE_CK, EVENTOUT."
      },
      {
        "number": "43",
        "name": "PB4",
        "type": "bidirectional",
        "description": "GPIO PB4, FT_a. Alt: SPI1_MISO/I2S1_MCK, TIM3_CH1, USART1_CTS, TIM17_BKIN, EVENTOUT."
      },
      {
        "number": "44",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5, FT. Alt: SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM16_BKIN, I2C1_SMBA. Additional: WKUP6."
      },
      {
        "number": "45",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO PB6, FT_fa (Fm+ I2C). Alt: USART1_TX, TIM1_CH3, TIM16_CH1N, SPI2_MISO, I2C1_SCL, EVENTOUT."
      },
      {
        "number": "46",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO PB7, FT_fa. Alt: USART1_RX, SPI2_MOSI, TIM17_CH1N, USART4_CTS, I2C1_SDA, EVENTOUT."
      },
      {
        "number": "47",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO PB8, FT_f. Alt: SPI2_SCK, TIM16_CH1, USART3_TX, TIM15_BKIN, I2C1_SCL, EVENTOUT."
      },
      {
        "number": "48",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO PB9, FT_f. Alt: IR_OUT, TIM17_CH1, USART3_RX, SPI2_NSS, I2C1_SDA, EVENTOUT."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/stm32g070cbt6.pdf",
        "pages": 93,
        "sha256": "29c4b367c493f973",
        "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": "STM32G070CBT6",
      "series": "STM32G0",
      "subfamily": "STM32G070",
      "core": "Arm Cortex-M0+",
      "frequency_mhz": 64,
      "flash_kb": 128,
      "ram_kb": 36,
      "io_count": 43,
      "package": "LQFP 48 7x7x1.4 mm",
      "marketing_status": "Active",
      "fpu": null,
      "supply_v_min": 2,
      "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/stm32g070cb.html",
      "source": "st.com portfolio grid CL1734"
    },
    "models_3d": [
      {
        "file": "stm32g070cbt6.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32g070cbt6-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": "2496396ec1e224fc7ab710a5e45f717eeb3f748804dbc31573fdfc2b430669db",
        "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": 43,
      "ADC units": 1,
      "ST status": "Active",
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-48(7x7)",
      "Category": "MCU",
      "Pins": "48"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm32g070cbt6"
  ],
  "discovery_pitch": "STM32G070CBT6 (STMicroelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32g070cbt6.kicad_sym",
    "stm32g070cbt6.kicad_mod",
    "stm32g070cbt6.glb",
    "stm32g070cbt6.step",
    "stm32g070cbt6-etched.step",
    "stm32g070cbt6.lbr",
    "docs/hero.png",
    "docs/stm32g070cbt6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "STM32G070CBT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G070CBT6TR",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G070CBT6KBT6",
      "kind": "packaging"
    },
    {
      "mpn": "STM32G070CBT6RBT6",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T08:50:02.260Z"
}