STM32F412CGU6

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32f412cgu6",
  "title": "STM32F412CGU6",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-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",
    "stm32f412cgu6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32F412CGU6",
    "manufacturer": "STMicroelectronics",
    "package": "UFQFPN-48(7x7)",
    "pin_count": 49,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922750445998080",
    "parts": {
      "symbol": "stm32f412cgu6.kicad_sym",
      "footprint": "stm32f412cgu6.kicad_mod",
      "model_3d": "stm32f412cgu6-hero.glb",
      "model_3d_plain": "stm32f412cgu6.glb",
      "model_3d_step": "stm32f412cgu6-etched.step",
      "model_3d_step_plain": "stm32f412cgu6.step",
      "lbr": "stm32f412cgu6.lbr"
    },
    "distributor_links": {
      "lcsc": "C1337539",
      "digikey": "497-16763-ND",
      "mouser": "511-STM32F412CGU6"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T00:37:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-16763-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F412CGU6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Battery backup supply voltage connection, 1.7 V to 3.6 V for RTC and backup domain."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O pin with RTC tamper detection and event output capability; limited to 3 mA output current due to power switch."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O or 32 kHz oscillator input with event output capability."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O or 32 kHz oscillator output with event output capability."
      },
      {
        "number": "5",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O or main oscillator input (4-26 MHz) with event output capability."
      },
      {
        "number": "6",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O or main oscillator output (4-26 MHz) with event output capability."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low reset input pin with internal weak pull-up resistor and glitch filter for system reset control."
      },
      {
        "number": "8",
        "name": "VSSA/VREF-",
        "type": "power_in",
        "description": "Analog ground and ADC negative reference voltage pin; must be connected to VSS."
      },
      {
        "number": "9",
        "name": "VDDA/VREF+",
        "type": "power_in",
        "description": "Analog power supply and ADC positive reference voltage pin, 1.7 V to 3.6 V; requires 100 nF decoupling capacitor."
      },
      {
        "number": "10",
        "name": "PA0",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O with ADC1_CH0 input, timer inputs/outputs, USART handshaking, and wakeup capability from low-power modes."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O with ADC1_CH1 input, timer functions, SPI output, QUADSPI bank 1 I/O 3, and USART handshaking."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O with ADC1_CH2 input, timer/I2S functions, and USART transmission."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O with ADC1_CH3 input, timer/I2S functions, and USART reception."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O with ADC1_CH4 input, SPI NSS/I2S handshaking, and DFSDM data input."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O with ADC1_CH5 input, SPI clock / I2S clock, timer ETR, and DFSDM clock input."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O with ADC1_CH6 input, timer input/output, SPI MISO, and SDIO command pin."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O with ADC1_CH7 input, timer output, SPI MOSI/I2S data, and QUADSPI bank 2 I/O."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O with ADC1_CH8 input, timer outputs, and SPI clock input."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O with ADC1_CH9 input, timer outputs, SPI NSS, DFSDM, and QUADSPI clock."
      },
      {
        "number": "20",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O with BOOT1 pin function for boot configuration, DFSDM clock input, and QUADSPI clock capability."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O supporting I2C clock, SPI clock / I2S MCK, USART transmission, and SDIO data line 7."
      },
      {
        "number": "22",
        "name": "VCAP_1",
        "type": "passive",
        "description": "Voltage regulator capacitor pin for internal voltage regulator output; connect 100 nF to 1 µF ceramic capacitor to VSS."
      },
      {
        "number": "23",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground connection for digital circuits."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply voltage, 1.7 V to 3.6 V for digital core and I/Os."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O supporting timer input, I2C handshaking, SPI/I2S functions, USART clock, and CAN input."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O supporting timer input, I2C/SPI/I2S clock, USART handshaking, and CAN transmission."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O supporting timer outputs, I2C/SPI/I2S functions, USART handshaking, and SDIO data line 6."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O supporting RTC 50 Hz output, timer outputs, I2C/SPI/I2S functions, and SDIO clock."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O supporting MCO_1 clock output, timer input, I2C clock, USART clock, USB SOF, and SDIO data line 1."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O supporting USB VBUS sensing, timer output, I2C address detection, USART transmission, and SDIO data line 2."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O supporting USB ID input, timer input, SPI data input, and USART reception."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O supporting USB D- data signal, timer output, SPI input, USART handshaking, and CAN reception."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O supporting USB D+ data signal, timer input, SPI input, USART handshaking, and CAN transmission."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "JTAG/Serial Wire Debug Data I/O pin (SWDIO/JTMS) for in-circuit programming and debugging."
      },
      {
        "number": "35",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground connection for digital circuits."
      },
      {
        "number": "36",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply voltage, 1.7 V to 3.6 V for digital core and I/Os."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "JTAG/Serial Wire Debug Clock pin (SWCLK/JTCK) for in-circuit programming and debugging at 10 MHz maximum frequency."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O or JTAG test data input (JTDI), supporting timer, SPI, and USART functions."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O or JTAG test data output (JTDO/SWO), supporting timer, I2C, SPI/I2S clock, and USART functions."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O or JTAG reset (JTRST), supporting timer, SPI MISO, I2S extension, and I2C data functions."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O supporting timer output, I2C address detection, SPI/I2S data, and CAN reception."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O supporting timer output, I2C clock, USART transmission, CAN transmission, and QUADSPI chip select."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O supporting timer output, I2C data, USART reception, and FSMC address latch enable."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection pin for selecting boot source (0=Flash, 1=System bootloader); also VPP for flash programming operations."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O supporting timer outputs, I2C clock, SPI/I2S data, CAN reception, and SDIO data line 4."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5V-tolerant general-purpose I/O supporting timer outputs, I2C data, SPI NSS/I2S handshaking, CAN transmission, and SDIO data line 5."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground connection for digital circuits."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply voltage, 1.7 V to 3.6 V for digital core and I/Os."
      },
      {
        "number": "49",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: VSSA and VREF- are shown as combined pin name 'VSSA/VREF-' in Table 9; this represents a single pin ; VDDA and VREF+ are shown as combined pin name 'VDDA/VREF+' in Table 9; this represents a single pin ; PC13, PC14, PC15 pins have notes (2)(3) indicating limited output current (3 mA max) and RTC backup ",
          "exposed pad 49 added from the footprint",
          "18/49 pins cited to the wrong page (name found elsewhere): ['27:PB14@p54', '28:PB15@p54', '29:PA8@p55', '30:PA9@p55']"
        ],
        "pages_sent": 76,
        "cost_usd": 0.5392,
        "at": "2026-10-06T00:37:36"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922750445998080",
        "pages": 201,
        "sha256": "d640babe702a369d",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "UFQFPN-48(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "49"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "stm32f412cgu6"
  ],
  "discovery_pitch": "STM32F412CGU6 (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
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    "stm32f412cgu6.step",
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    "docs/stm32f412cgu6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32f412cgu6-hero.glb",
    "stm32f412cgu6-hero.overlay.json"
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  "visibility": {
    "public": true
  }
}