STM32G0B1CET6N

{
  "slug": "stm32g0b1cet6n",
  "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",
    "stm32g0b1cet6n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32g0b1cet6n.kicad_sym",
    "stm32g0b1cet6n.kicad_mod",
    "stm32g0b1cet6n.glb",
    "stm32g0b1cet6n.step",
    "stm32g0b1cet6n.lbr",
    "docs/hero.png",
    "docs/stm32g0b1cet6n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "STM32G0B1CET6N",
    "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/8589836521785630720",
    "parts": {
      "symbol": "stm32g0b1cet6n.kicad_sym",
      "footprint": "stm32g0b1cet6n.kicad_mod",
      "model_3d": "stm32g0b1cet6n-etched.glb",
      "model_3d_plain": "stm32g0b1cet6n.glb",
      "model_3d_step": "stm32g0b1cet6n-etched.step",
      "model_3d_step_plain": "stm32g0b1cet6n.step",
      "lbr": "stm32g0b1cet6n.lbr"
    },
    "distributor_links": {
      "lcsc": "C2978903",
      "digikey": "497-STM32G0B1CET6N-ND",
      "mouser": "511-STM32G0B1CET6N"
    },
    "distributor_check": {
      "checked_at": "2026-10-01T06:20:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32G0B1CET6N-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32G0B1CET6N",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PC13",
        "type": "bidirectional",
        "description": "FT I/O supplied through the power switch (3 mA sink limit, output max 2 MHz with 30 pF load, not for driving LEDs); AF TIM1_BKIN, additional functions TAMP_IN1, RTC_TS, RTC_OUT1, WKUP2."
      },
      {
        "number": "2",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "FT I/O supplied through the power switch (limited output use); AF TIM1_BKIN2, additional function OSC32_IN for the 32.768 kHz crystal."
      },
      {
        "number": "3",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "FT I/O supplied through the power switch (limited output use); AF OSC32_EN, OSC_EN, TIM15_BKIN, additional function OSC32_OUT for the 32.768 kHz crystal."
      },
      {
        "number": "4",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup supply (1.55 V to 3.6 V) for RTC, TAMP, LSE oscillator and backup registers when VDD is not present."
      },
      {
        "number": "5",
        "name": "VREF+",
        "type": "power_in",
        "description": "Analog reference voltage input or VREFBUF output (VREFBUF_OUT); must equal VDDA when VDDA < 2 V, otherwise between 2 V and VDDA."
      },
      {
        "number": "6",
        "name": "VDD/VDDA",
        "type": "power_in",
        "description": "Main digital and analog supply, 1.7 V to 3.6 V, also supplies VDDIO1; decouple with 100 nF + 4.7 \u00b5F ceramic capacitors."
      },
      {
        "number": "7",
        "name": "VSS/VSSA",
        "type": "power_in",
        "description": "Ground for digital and analog supplies."
      },
      {
        "number": "8",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "FT I/O with AF CRS1_SYNC, EVENTOUT, TIM14_CH1; additional function OSC_IN for the 4-48 MHz crystal oscillator."
      },
      {
        "number": "9",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "FT I/O with AF OSC_EN, EVENTOUT, TIM15_CH1N; additional function OSC_OUT for the 4-48 MHz crystal oscillator."
      },
      {
        "number": "10",
        "name": "PF2-NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up; also GPIO with AF MCO, LPUART2_TX, LPUART2_RTS_DE."
      },
      {
        "number": "11",
        "name": "PA0",
        "type": "bidirectional",
        "description": "FT_a I/O with AF SPI2_SCK/I2S2_CK, USART2_CTS, TIM2_CH1_ETR, USART4_TX, LPTIM1_OUT, UCPD2_FRSTX, COMP1_OUT; additional COMP1_INM8, ADC_IN0, TAMP_IN2, WKUP1."
      },
      {
        "number": "12",
        "name": "PA1",
        "type": "bidirectional",
        "description": "FT_ea I/O with AF SPI1_SCK/I2S1_CK, USART2_RTS_DE_CK, TIM2_CH2, USART4_RX, TIM15_CH1N, I2C1_SMBA, EVENTOUT; additional COMP1_INP2, ADC_IN1."
      },
      {
        "number": "13",
        "name": "PA2",
        "type": "bidirectional",
        "description": "FT_a I/O with AF SPI1_MOSI/I2S1_SD, USART2_TX, TIM2_CH3, UCPD1_FRSTX, TIM15_CH1, LPUART1_TX, COMP2_OUT; additional COMP2_INM8, ADC_IN2, WKUP4, LSCO."
      },
      {
        "number": "14",
        "name": "PA3",
        "type": "bidirectional",
        "description": "FT_ea I/O with AF SPI2_MISO/I2S2_MCK, USART2_RX, TIM2_CH4, UCPD2_FRSTX, TIM15_CH2, LPUART1_RX, EVENTOUT; additional COMP2_INP2, ADC_IN3."
      },
      {
        "number": "15",
        "name": "PA4",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with AF SPI1_NSS/I2S1_WS, SPI2_MOSI/I2S2_SD, USB_NOE, USART6_TX, TIM14_CH1, LPTIM2_OUT, UCPD2_FRSTX, EVENTOUT, SPI3_NSS; additional ADC_IN4, DAC1_OUT1, RTC_OUT2."
      },
      {
        "number": "16",
        "name": "PA5",
        "type": "bidirectional",
        "description": "TT_ea I/O (3.6 V tolerant) with AF SPI1_SCK/I2S1_CK, CEC, TIM2_CH1_ETR, USART6_RX, USART3_TX, LPTIM2_ETR, UCPD1_FRSTX, EVENTOUT; additional ADC_IN5, DAC1_OUT2."
      },
      {
        "number": "17",
        "name": "PA6",
        "type": "bidirectional",
        "description": "FT_ea I/O with AF SPI1_MISO/I2S1_MCK, TIM3_CH1, TIM1_BKIN, USART6_CTS, USART3_CTS, TIM16_CH1, LPUART1_CTS, COMP1_OUT, I2C2_SDA, I2C3_SDA; additional ADC_IN6."
      },
      {
        "number": "18",
        "name": "PA7",
        "type": "bidirectional",
        "description": "FT_a I/O with AF SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM1_CH1N, USART6_RTS_DE_CK, TIM14_CH1, TIM17_CH1, UCPD1_FRSTX, COMP2_OUT, I2C2_SCL, I2C3_SCL; additional ADC_IN7."
      },
      {
        "number": "19",
        "name": "PB0",
        "type": "bidirectional",
        "description": "FT_ea I/O with AF SPI1_NSS/I2S1_WS, TIM3_CH3, TIM1_CH2N, FDCAN2_RX, USART3_RX, LPTIM1_OUT, UCPD1_FRSTX, COMP1_OUT, USART5_TX, LPUART2_CTS; additional COMP3_INP0, ADC_IN8."
      },
      {
        "number": "20",
        "name": "PB1",
        "type": "bidirectional",
        "description": "FT_ea I/O with AF TIM14_CH1, TIM3_CH4, TIM1_CH3N, FDCAN2_TX, USART3_RTS_DE_CK, LPTIM2_IN1, LPUART1_RTS_DE, COMP3_OUT, USART5_RX, LPUART2_RTS_DE; additional COMP1_INM6, ADC_IN9."
      },
      {
        "number": "21",
        "name": "PB2",
        "type": "bidirectional",
        "description": "FT_ea I/O with AF SPI2_MISO/I2S2_MCK, MCO2, USART3_TX, LPTIM1_OUT, EVENTOUT; additional COMP1_INP1, COMP3_INM6, ADC_IN10."
      },
      {
        "number": "22",
        "name": "PB10",
        "type": "bidirectional",
        "description": "FT_fa I/O (Fm+ capable) with AF CEC, LPUART1_RX, TIM2_CH3, USART3_TX, SPI2_SCK/I2S2_CK, I2C2_SCL, COMP1_OUT; additional ADC_IN11."
      },
      {
        "number": "23",
        "name": "PB11",
        "type": "bidirectional",
        "description": "FT_fa I/O (Fm+ capable) with AF SPI2_MOSI/I2S2_SD, LPUART1_TX, TIM2_CH4, USART3_RX, I2C2_SDA, COMP2_OUT; additional ADC_IN15."
      },
      {
        "number": "24",
        "name": "PB12",
        "type": "bidirectional",
        "description": "FT_fa I/O (Fm+ capable) with AF SPI2_NSS/I2S2_WS, LPUART1_RTS_DE, TIM1_BKIN, FDCAN2_RX, TIM15_BKIN, UCPD2_FRSTX, EVENTOUT, I2C2_SMBA; additional ADC_IN16."
      },
      {
        "number": "25",
        "name": "PB13",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) with AF SPI2_SCK/I2S2_CK, LPUART1_CTS, TIM1_CH1N, FDCAN2_TX, USART3_CTS, TIM15_CH1N, I2C2_SCL, EVENTOUT."
      },
      {
        "number": "26",
        "name": "PB14",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) with AF SPI2_MISO/I2S2_MCK, UCPD1_FRSTX, TIM1_CH2N, USART3_RTS_DE_CK, TIM15_CH1, I2C2_SDA, EVENTOUT, USART6_RTS_DE_CK."
      },
      {
        "number": "27",
        "name": "PB15",
        "type": "bidirectional",
        "description": "FT_fc I/O (Fm+, USB Type-C PD capable) with AF SPI2_MOSI/I2S2_SD, TIM1_CH3N, TIM15_CH1N, TIM15_CH2, EVENTOUT, USART6_CTS; additional UCPD1_CC2, RTC_REFIN; may have a pull-down after reset."
      },
      {
        "number": "28",
        "name": "PA8",
        "type": "bidirectional",
        "description": "FT_fc I/O (Fm+, USB Type-C PD capable) with AF MCO, SPI2_NSS/I2S2_WS, TIM1_CH1, CRS1_SYNC, LPTIM2_OUT, EVENTOUT, I2C2_SMBA; additional UCPD1_CC1; may have a pull-down after reset."
      },
      {
        "number": "29",
        "name": "PA9",
        "type": "bidirectional",
        "description": "FT_fd I/O (Fm+, UCPD dead battery) with AF MCO, USART1_TX, TIM1_CH2, SPI2_MISO/I2S2_MCK, TIM15_BKIN, I2C1_SCL, EVENTOUT, I2C2_SCL; additional UCPD1_DBCC1; can be remapped in place of PA11."
      },
      {
        "number": "30",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin on the N version, additional to VSS/VSSA."
      },
      {
        "number": "31",
        "name": "VDDIO2",
        "type": "power_in",
        "description": "Independent I/O supply of 1.6 V to 3.6 V for selected I/Os and VDDUSB; must not be applied without valid VDD."
      },
      {
        "number": "32",
        "name": "PA10",
        "type": "bidirectional",
        "description": "FT_fd I/O (Fm+, UCPD dead battery) with AF SPI2_MOSI/I2S2_SD, USART1_RX, TIM1_CH3, MCO2, TIM17_BKIN, I2C1_SDA, EVENTOUT, I2C2_SDA; additional UCPD1_DBCC2; can be remapped in place of PA12."
      },
      {
        "number": "33",
        "name": "PA11 [PA9]",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+) with AF SPI1_MISO/I2S1_MCK, USART1_CTS, TIM1_CH4, FDCAN1_RX, TIM1_BKIN2, I2C2_SCL, COMP1_OUT; additional USB_DM; PA9 can be remapped here via SYSCFG_CFGR1."
      },
      {
        "number": "34",
        "name": "PA12 [PA10]",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+) with AF SPI1_MOSI/I2S1_SD, USART1_RTS_DE_CK, TIM1_ETR, FDCAN1_TX, I2S_CKIN, I2C2_SDA, COMP2_OUT; additional USB_DP; PA10 can be remapped here via SYSCFG_CFGR1."
      },
      {
        "number": "35",
        "name": "PA13",
        "type": "bidirectional",
        "description": "FT_e I/O configured as SWDIO at reset with internal pull-up active; AF IR_OUT, USB_NOE, EVENTOUT, LPUART2_RX."
      },
      {
        "number": "36",
        "name": "PA14-BOOT0",
        "type": "bidirectional",
        "description": "FT I/O configured as SWCLK at reset with internal pull-down active; AF USART2_TX, EVENTOUT, LPUART2_TX; additional function BOOT0."
      },
      {
        "number": "37",
        "name": "PA15",
        "type": "bidirectional",
        "description": "FT I/O with AF SPI1_NSS/I2S1_WS, USART2_RX, TIM2_CH1_ETR, MCO2, USART4_RTS_DE_CK, USART3_RTS_DE_CK, USB_NOE, EVENTOUT, I2C2_SMBA, SPI3_NSS."
      },
      {
        "number": "38",
        "name": "PD0",
        "type": "bidirectional",
        "description": "FT_c I/O (USB Type-C PD capable) with AF EVENTOUT, SPI2_NSS/I2S2_WS, TIM16_CH1, FDCAN1_RX; additional UCPD2_CC1; may have a pull-down after reset."
      },
      {
        "number": "39",
        "name": "PD1",
        "type": "bidirectional",
        "description": "FT_d I/O (UCPD dead battery) with AF EVENTOUT, SPI2_SCK/I2S2_CK, TIM17_CH1, FDCAN1_TX; additional UCPD2_DBCC1; may have a pull-down after reset."
      },
      {
        "number": "40",
        "name": "PD2",
        "type": "bidirectional",
        "description": "FT_c I/O (USB Type-C PD capable) with AF USART3_RTS_DE_CK, TIM3_ETR, TIM1_CH1N, USART5_RX; additional UCPD2_CC2; may have a pull-down after reset."
      },
      {
        "number": "41",
        "name": "PD3",
        "type": "bidirectional",
        "description": "FT_d I/O (UCPD dead battery) with AF USART2_CTS, SPI2_MISO/I2S2_MCK, TIM1_CH2N, USART5_TX; additional UCPD2_DBCC2; may have a pull-down after reset."
      },
      {
        "number": "42",
        "name": "PB3",
        "type": "bidirectional",
        "description": "FT_a I/O with AF SPI1_SCK/I2S1_CK, TIM1_CH2, TIM2_CH2, USART5_TX, USART1_RTS_DE_CK, I2C3_SCL, EVENTOUT, I2C2_SCL, SPI3_SCK; additional COMP2_INM6."
      },
      {
        "number": "43",
        "name": "PB4",
        "type": "bidirectional",
        "description": "FT_a I/O with AF SPI1_MISO/I2S1_MCK, TIM3_CH1, USART5_RX, USART1_CTS, TIM17_BKIN, I2C3_SDA, EVENTOUT, I2C2_SDA, SPI3_MISO; additional COMP2_INP0."
      },
      {
        "number": "44",
        "name": "PB5",
        "type": "bidirectional",
        "description": "FT I/O with AF SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM16_BKIN, FDCAN2_RX, LPTIM1_IN1, I2C1_SMBA, COMP2_OUT, USART5_RTS_DE_CK, SPI3_MOSI; additional WKUP6."
      },
      {
        "number": "45",
        "name": "PB6",
        "type": "bidirectional",
        "description": "FT_fa I/O (Fm+ capable) with AF USART1_TX, TIM1_CH3, TIM16_CH1N, FDCAN2_TX, SPI2_MISO/I2S2_MCK, LPTIM1_ETR, I2C1_SCL, EVENTOUT, USART5_CTS, TIM4_CH1, LPUART2_TX; additional COMP2_INP1."
      },
      {
        "number": "46",
        "name": "PB7",
        "type": "bidirectional",
        "description": "FT_fa I/O (Fm+ capable) with AF USART1_RX, SPI2_MOSI/I2S2_SD, TIM17_CH1N, USART4_CTS, LPTIM1_IN2, I2C1_SDA, EVENTOUT, TIM4_CH2, LPUART2_RX; additional COMP2_INM7, PVD_IN."
      },
      {
        "number": "47",
        "name": "PB8",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) with AF CEC, SPI2_SCK/I2S2_CK, TIM16_CH1, FDCAN1_RX, USART3_TX, TIM15_BKIN, I2C1_SCL, EVENTOUT, USART6_TX, TIM4_CH3."
      },
      {
        "number": "48",
        "name": "PB9",
        "type": "bidirectional",
        "description": "FT_f I/O (Fm+ capable) with AF IR_OUT, UCPD2_FRSTX, TIM17_CH1, FDCAN1_TX, USART3_RX, SPI2_NSS/I2S2_WS, I2C1_SDA, EVENTOUT, USART6_RX, TIM4_CH4."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: PC13, PC14, PC15 are in RTC domain with limited drive capability (3 mA max, 2 MHz max speed) - verif; PA11/PA12 and PA9/PA10 pins can be remapped using SYSCFG_CFGR1 register for USB_DM/USB_DP assignment; VDDIO2 pin (30) is independent supply requiring separate decoupling; VSS at pin 31 is located mid-pa"
        ],
        "pages_sent": 85,
        "cost_usd": 0.5643,
        "at": "2026-10-01T06:19:46"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589836521785630720",
        "pages": 159,
        "sha256": "ee33614bd414ac41",
        "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"
    }
  }
}