STM32G473CBT6

{
  "slug": "stm32g473cbt6",
  "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",
    "stm32g473cbt6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32g473cbt6.kicad_sym",
    "stm32g473cbt6.kicad_mod",
    "stm32g473cbt6.glb",
    "stm32g473cbt6.step",
    "stm32g473cbt6.lbr",
    "docs/hero.png",
    "docs/stm32g473cbt6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32g473cbt6-hero.glb",
    "stm32g473cbt6-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32G473CBT6",
    "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/8588886231774613504",
    "parts": {
      "symbol": "stm32g473cbt6.kicad_sym",
      "footprint": "stm32g473cbt6.kicad_mod",
      "model_3d": "stm32g473cbt6-hero.glb",
      "model_3d_plain": "stm32g473cbt6.glb",
      "model_3d_step": "stm32g473cbt6-etched.step",
      "model_3d_step_plain": "stm32g473cbt6.step",
      "lbr": "stm32g473cbt6.lbr"
    },
    "distributor_links": {
      "lcsc": "C730111",
      "digikey": "497-STM32G473CBT6-ND",
      "mouser": "511-STM32G473CBT6"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T15:18:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32G473CBT6-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32G473CBT6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup-domain supply input for the RTC, LSE and backup registers, used when VDD is not present."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "Power-switch-supplied FT GPIO that sinks only 3 mA, so output use is limited to 2 MHz at 30 pF and it must not be used as a current source such as an LED drive."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Power-switch-supplied FT GPIO with the same 2 MHz / 30 pF and no-current-source limits, also serving as the 32 kHz oscillator input OSC32_IN."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Power-switch-supplied FT GPIO with the same 2 MHz / 30 pF and no-current-source limits, also serving as the 32 kHz oscillator output OSC32_OUT."
      },
      {
        "number": "5",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "Fm+ capable FT_fa I/O that doubles as the crystal oscillator input OSC_IN for the 4 to 48 MHz HSE."
      },
      {
        "number": "6",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "TT/FT_a I/O that doubles as the crystal oscillator output OSC_OUT, with ADC2_IN10 and COMP3_INM as additional functions."
      },
      {
        "number": "7",
        "name": "PG10-NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up resistor, also usable as an FT I/O with MCO alternate function."
      },
      {
        "number": "8",
        "name": "PA0",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with ADC12_IN1 and WKUP1 as additional functions."
      },
      {
        "number": "9",
        "name": "PA1",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with ADC12_IN2 and OPAMP1_VINP as additional functions."
      },
      {
        "number": "10",
        "name": "PA2",
        "type": "bidirectional",
        "description": "FT_a I/O (5 V tolerant) with analog switch function supplied by VDDA, with ADC1_IN3 and COMP2_INM as additional functions."
      },
      {
        "number": "11",
        "name": "PA3",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with ADC1_IN4 and COMP2_INP as additional functions."
      },
      {
        "number": "12",
        "name": "PA4",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with DAC1_OUT1 and ADC2_IN17 as additional functions."
      },
      {
        "number": "13",
        "name": "PA5",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with DAC1_OUT2 and ADC2_IN13 as additional functions."
      },
      {
        "number": "14",
        "name": "PA6",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with DAC2_OUT1 and ADC2_IN3 as additional functions."
      },
      {
        "number": "15",
        "name": "PA7",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with ADC2_IN4 and COMP2_INP as additional functions."
      },
      {
        "number": "16",
        "name": "PB0",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with ADC3_IN12/ADC1_IN15 and COMP4_INP as additional functions."
      },
      {
        "number": "17",
        "name": "PB1",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with ADC3_IN1/ADC1_IN12 and COMP1_INP as additional functions."
      },
      {
        "number": "18",
        "name": "PB2",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with ADC2_IN12 and COMP4_INM as additional functions."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC, DAC, OPAMP, COMP and VREFBUF blocks, which must be connected to the external ground."
      },
      {
        "number": "20",
        "name": "VREF+",
        "type": "power_in",
        "description": "Positive reference voltage for the ADCs and DACs, which on this package is also listed as the VREFBUF_OUT function."
      },
      {
        "number": "21",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for the ADC, DAC, OPAMP, COMP and VREFBUF blocks, decoupled as shown in the power supply scheme."
      },
      {
        "number": "22",
        "name": "PB10",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with COMP5_INM, OPAMP3_VINM and OPAMP4_VINM as additional functions."
      },
      {
        "number": "23",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin that must be connected to the external ground."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin, operating from 1.71 V to 3.6 V."
      },
      {
        "number": "25",
        "name": "PB11",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with ADC12_IN14, COMP6_INP and OPAMP4_VINP as additional functions."
      },
      {
        "number": "26",
        "name": "PB12",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with ADC4_IN3/ADC1_IN11, COMP7_INM and OPAMP4_VOUT as additional functions."
      },
      {
        "number": "27",
        "name": "PB13",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with ADC3_IN5, COMP5_INP and OPAMP3_VINP as additional functions."
      },
      {
        "number": "28",
        "name": "PB14",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with ADC4_IN4/ADC1_IN5, COMP7_INP and OPAMP2_VINP as additional functions."
      },
      {
        "number": "29",
        "name": "PB15",
        "type": "bidirectional",
        "description": "TT_a I/O (3.6 V tolerant) with analog switch function supplied by VDDA, with RTC_REFIN, ADC4_IN5/ADC2_IN15 and COMP6_INM as additional functions."
      },
      {
        "number": "30",
        "name": "PA8",
        "type": "bidirectional",
        "description": "FT_a I/O (5 V tolerant) with analog switch function supplied by VDDA, with MCO output and ADC5_IN1 as additional functions."
      },
      {
        "number": "31",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O with UCPD dead-battery and analog switch functions, with ADC5_IN2 and UCPD1_DBCC1 as additional functions."
      },
      {
        "number": "32",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant Fm+ capable I/O with UCPD dead-battery and analog switch functions, with UCPD1_DBCC2 as an additional function."
      },
      {
        "number": "33",
        "name": "PA11",
        "type": "bidirectional",
        "description": "FT_u I/O (5 V tolerant) with USB function, carrying USB_DM."
      },
      {
        "number": "34",
        "name": "PA12",
        "type": "bidirectional",
        "description": "FT_u I/O (5 V tolerant) with USB function, carrying USB_DP."
      },
      {
        "number": "35",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin that must be connected to the external ground."
      },
      {
        "number": "36",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin, operating from 1.71 V to 3.6 V."
      },
      {
        "number": "37",
        "name": "PA13",
        "type": "bidirectional",
        "description": "Fm+ capable FT_f I/O that after reset is the SWDIO/JTMS debug function with its internal pull-up activated."
      },
      {
        "number": "38",
        "name": "PA14",
        "type": "bidirectional",
        "description": "Fm+ capable FT_f I/O that after reset is the SWCLK/JTCK debug function with its internal pull-down activated."
      },
      {
        "number": "39",
        "name": "PA15",
        "type": "bidirectional",
        "description": "Fm+ capable FT_f I/O that after reset is the JTDI debug function with its internal pull-up activated."
      },
      {
        "number": "40",
        "name": "PB3",
        "type": "bidirectional",
        "description": "FT I/O that after reset is configured as the JTDO/TRACESWO debug alternate function."
      },
      {
        "number": "41",
        "name": "PB4",
        "type": "bidirectional",
        "description": "USB Type-C PD capable FT_c I/O that after reset is the JTRST debug function with its internal pull-up activated, also carrying UCPD1_CC2."
      },
      {
        "number": "42",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Fm+ capable FT_f I/O with I2C1_SMBA, SPI1_MOSI and FDCAN2_RX as alternate functions."
      },
      {
        "number": "43",
        "name": "PB6",
        "type": "bidirectional",
        "description": "USB Type-C PD capable FT_c I/O with USART1_TX and I2C1_SCL as alternate functions, also carrying UCPD1_CC1."
      },
      {
        "number": "44",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Fm+ capable FT_f I/O with PVD_IN as an additional function, plus USART1_RX and I2C1_SDA as alternate functions."
      },
      {
        "number": "45",
        "name": "PB8-BOOT0",
        "type": "bidirectional",
        "description": "Fm+ capable FT_f I/O that is also the dedicated BOOT0 pin; the datasheet recommends setting PB8 out of analog mode after startup to limit consumption if unconnected."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "Fm+ capable FT_f I/O with IR_OUT, I2C1_SDA and USART3_TX as alternate functions."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin that must be connected to the external ground."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Main digital supply pin, operating from 1.71 V to 3.6 V."
      }
    ],
    "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-to-number mapping was taken from the LQFP48 column of Table 12 (pin definition), which is the au; Supply and ground assignments (VSSA, VREF+, VDDA, VDD, VSS) are from Table 12. The Figure 6 text ext; The PDF extraction shows the I/O structure as 'FT_fd a' (read as FT_fda, combining the _f, _d and _a"
        ],
        "pages_sent": 73,
        "cost_usd": 0.3784,
        "at": "2026-10-11T15:17:40"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886231774613504",
        "pages": 223,
        "sha256": "63caa155ed7b741d",
        "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": [
      {
        "file": "stm32g473cbt6.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": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32g473cbt6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3034610e45afcad7d45ac501111c3b16d87d8c76cec4971f6d81c5d135446476",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}