STM32G051C8T6

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32g051c8t6",
  "title": "STM32G051C8T6",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32g051c8t6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32G051C8T6",
    "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/8590473703881809920",
    "parts": {
      "symbol": "stm32g051c8t6.kicad_sym",
      "footprint": "stm32g051c8t6.kicad_mod",
      "model_3d": "stm32g051c8t6-hero.glb",
      "model_3d_plain": "stm32g051c8t6.glb",
      "model_3d_step": "stm32g051c8t6-etched.step",
      "model_3d_step_plain": "stm32g051c8t6.step",
      "lbr": "stm32g051c8t6.lbr"
    },
    "distributor_links": {
      "lcsc": "C3227130",
      "digikey": "497-STM32G051C8T6-ND",
      "mouser": "511-STM32G051C8T6"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T00:34:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32G051C8T6-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32G051C8T6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PC13",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O supplied through the RTC power switch, which sinks only 3 mA, so output use is limited to 2 MHz at 30 pF and it must not source current such as an LED."
      },
      {
        "number": "2",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O on the RTC power switch with the same 3 mA, 2 MHz / 30 pF output limits as PC13, and alternate function OSC32_IN for the 32.768 kHz LSE crystal input."
      },
      {
        "number": "3",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O on the RTC power switch with the same output limits as PC13, and OSC32_OUT as the LSE 32.768 kHz crystal output."
      },
      {
        "number": "4",
        "name": "VBAT",
        "type": "power_in",
        "description": "Power supply for the RTC, TAMP, the 32.768 kHz oscillator and backup registers when VDD is not present, specified at 1.55 V to 3.6 V."
      },
      {
        "number": "5",
        "name": "VREF+",
        "type": "power_in",
        "description": "Analog peripheral reference voltage input, or the output of the internal voltage reference buffer when enabled; when VDDA < 2 V it must equal VDDA, and when VDDA ≥ 2 V it must be between 2 V and VDDA."
      },
      {
        "number": "6",
        "name": "VDD/VDDA",
        "type": "power_in",
        "description": "Main supply for the internal regulator, I/Os and analog blocks, specified at 1.7 V to 3.6 V (VDDA minimum 1.62 V for ADC and COMP)."
      },
      {
        "number": "7",
        "name": "VSS/VSSA",
        "type": "power_in",
        "description": "Ground reference for digital and analog circuits."
      },
      {
        "number": "8",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O with alternate function TIM14_CH1 and OSC_IN as the HSE crystal input."
      },
      {
        "number": "9",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O with OSC_OUT as the HSE crystal output and alternate functions OSC_EN and TIM15_CH1N."
      },
      {
        "number": "10",
        "name": "PF2-NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up whose default function is NRST; when used in this mode, other I/Os connected to it must be configured with care."
      },
      {
        "number": "11",
        "name": "PA0",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_a) I/O with analog switch function, also ADC_IN0, COMP1_INM8 and wakeup pin WKUP1."
      },
      {
        "number": "12",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_ea) I/O with analog switch function and switchable diode to VDD, also ADC_IN1 and COMP1_INP2."
      },
      {
        "number": "13",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_a) I/O with analog switch function, also ADC_IN2, COMP2_INM8, wakeup pin WKUP4 and LSCO output."
      },
      {
        "number": "14",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_ea) I/O with analog switch function and switchable diode to VDD, also ADC_IN3 and COMP2_INP2."
      },
      {
        "number": "15",
        "name": "PA4",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_a) I/O with analog switch function, also ADC_IN4, DAC1_OUT1 analog output and RTC_OUT2."
      },
      {
        "number": "16",
        "name": "PA5",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_ea) I/O with analog switch function and switchable diode to VDD, also ADC_IN5 and DAC1_OUT2 analog output."
      },
      {
        "number": "17",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_ea) I/O with analog switch function and switchable diode to VDD, also ADC_IN6 and alternate function COMP1_OUT."
      },
      {
        "number": "18",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_a) I/O with analog switch function, also ADC_IN7 and alternate function COMP2_OUT."
      },
      {
        "number": "19",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_ea) I/O with analog switch function and switchable diode to VDD, also ADC_IN8 and alternate function COMP1_OUT."
      },
      {
        "number": "20",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_ea) I/O with analog switch function and switchable diode to VDD, also ADC_IN9 and COMP1_INM6."
      },
      {
        "number": "21",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_ea) I/O with analog switch function and switchable diode to VDD, also ADC_IN10 and COMP1_INP1."
      },
      {
        "number": "22",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_fa) I/O, Fm+ capable and with analog switch function, also ADC_IN11 and alternate function COMP1_OUT."
      },
      {
        "number": "23",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_fa) I/O, Fm+ capable and with analog switch function, also ADC_IN15 and alternate function COMP2_OUT."
      },
      {
        "number": "24",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_a) I/O with analog switch function, also ADC_IN16 and alternate functions SPI2_NSS, LPUART1_RTS_DE and TIM1_BKIN."
      },
      {
        "number": "25",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_f) I/O, Fm+ capable, with alternate functions SPI2_SCK, LPUART1_CTS, TIM1_CH1N and I2C2_SCL."
      },
      {
        "number": "26",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_f) I/O, Fm+ capable, with alternate functions SPI2_MISO, TIM1_CH2N, TIM15_CH1 and I2C2_SDA."
      },
      {
        "number": "27",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O with alternate functions SPI2_MOSI, TIM1_CH3N, TIM15_CH1N and TIM15_CH2, and additional function RTC_REFIN."
      },
      {
        "number": "28",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O with alternate functions MCO, SPI2_NSS, TIM1_CH1, LPTIM2_OUT and EVENTOUT."
      },
      {
        "number": "29",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_f) I/O, Fm+ capable, with alternate functions MCO, USART1_TX, TIM1_CH2, SPI2_MISO and I2C1_SCL; it can be remapped in place of PA11 via SYSCFG_CFGR1."
      },
      {
        "number": "30",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O with alternate functions TIM3_CH1 and TIM2_CH3."
      },
      {
        "number": "31",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O with alternate functions TIM3_CH2 and TIM2_CH4."
      },
      {
        "number": "32",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_f) I/O, Fm+ capable, with alternate functions SPI2_MOSI, USART1_RX, TIM1_CH3, TIM17_BKIN and I2C1_SDA; it can be remapped in place of PA12 via SYSCFG_CFGR1."
      },
      {
        "number": "33",
        "name": "PA11 [PA9]",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_fa) I/O, Fm+ capable, with analog switch function, also ADC_IN15 and alternate functions USART1_CTS, TIM1_CH4, TIM1_BKIN2, I2C2_SCL and COMP1_OUT."
      },
      {
        "number": "34",
        "name": "PA12 [PA10]",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_fa) I/O, Fm+ capable, with analog switch function, also ADC_IN16 and alternate functions USART1_RTS_DE_CK, TIM1_ETR, I2S_CKIN, I2C2_SDA and COMP2_OUT."
      },
      {
        "number": "35",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_ea) I/O with switchable diode to VDD; it is configured as SWDIO after reset with the internal pull-up active, also ADC_IN17 and IR_OUT."
      },
      {
        "number": "36",
        "name": "PA14-BOOT0",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_a) I/O with analog switch function; after reset it is SWCLK with the internal pull-down active, and it also carries the BOOT0 boot-mode pin and ADC_IN18."
      },
      {
        "number": "37",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O with alternate functions SPI1_NSS/I2S1_WS, USART2_RX, TIM2_CH1_ETR and EVENTOUT."
      },
      {
        "number": "38",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O with alternate functions EVENTOUT, SPI2_NSS and TIM16_CH1."
      },
      {
        "number": "39",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O with alternate functions EVENTOUT, SPI2_SCK and TIM17_CH1."
      },
      {
        "number": "40",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O with alternate functions TIM3_ETR and TIM1_CH1N."
      },
      {
        "number": "41",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O with alternate functions USART2_CTS, SPI2_MISO and TIM1_CH2N."
      },
      {
        "number": "42",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_a) I/O with analog switch function, with alternate functions SPI1_SCK/I2S1_CK, TIM1_CH2, TIM2_CH2 and USART1_RTS_DE_CK, and COMP2_INM6 additional function."
      },
      {
        "number": "43",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_a) I/O with analog switch function, with alternate functions SPI1_MISO/I2S1_MCK, TIM3_CH1, USART1_CTS and TIM17_BKIN, and COMP2_INP0 additional function."
      },
      {
        "number": "44",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O with alternate functions SPI1_MOSI/I2S1_SD, TIM3_CH2, TIM16_BKIN, LPTIM1_IN1, I2C1_SMBA and COMP2_OUT, and wakeup pin WKUP6."
      },
      {
        "number": "45",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_fa) I/O, Fm+ capable, with analog switch function, with alternate functions USART1_TX, TIM1_CH3, TIM16_CH1N, SPI2_MISO, LPTIM1_ETR and I2C1_SCL, and COMP2_INP1 additional function."
      },
      {
        "number": "46",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_fa) I/O, Fm+ capable, with analog switch function, also ADC_IN11, COMP2_INM7 and PVD_IN, with alternate functions USART1_RX, SPI2_MOSI, TIM17_CH1N, LPTIM1_IN2 and I2C1_SDA."
      },
      {
        "number": "47",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_f) I/O, Fm+ capable, with alternate functions SPI2_SCK, TIM16_CH1, TIM15_BKIN and I2C1_SCL."
      },
      {
        "number": "48",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT_f) I/O, Fm+ capable, with alternate functions IR_OUT, TIM17_CH1, SPI2_NSS and I2C1_SDA."
      }
    ],
    "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: Pin names in the datasheet are shown with bracketed remap names (PA11 [PA9], PA12 [PA10]) and the da; PC13, PC14 and PC15 are supplied through the RTC power switch (3 mA sink limit) and are restricted t; Pin 10 (PF2-NRST) is typed bidirectional per Table 11 (RST = bidirectional reset with weak pull-up)."
        ],
        "pages_sent": 57,
        "cost_usd": 0.2685,
        "at": "2026-10-08T00:33:45"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590473703881809920",
        "pages": 126,
        "sha256": "773ba84c25c7d2f3",
        "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"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          9,
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32g051c8t6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "310c1105d917e21b78da490c41c56daf6ce05cddb4f6c3f52d0eccd686dc8f04",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-48(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "48"
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
    "stm32g051c8t6"
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  "discovery_pitch": "STM32G051C8T6 (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}