STM32L031C6T7

{
  "slug": "stm32l031c6t7",
  "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",
    "stm32l031c6t7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32l031c6t7.kicad_sym",
    "stm32l031c6t7.kicad_mod",
    "stm32l031c6t7.glb",
    "stm32l031c6t7.step",
    "stm32l031c6t7.lbr",
    "docs/hero.png",
    "docs/stm32l031c6t7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32l031c6t7-hero.glb",
    "stm32l031c6t7-hero.overlay.json"
  ],
  "component": {
    "mpn": "STM32L031C6T7",
    "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/8588922356249341952",
    "parts": {
      "symbol": "stm32l031c6t7.kicad_sym",
      "footprint": "stm32l031c6t7.kicad_mod",
      "model_3d": "stm32l031c6t7-hero.glb",
      "model_3d_plain": "stm32l031c6t7.glb",
      "model_3d_step": "stm32l031c6t7-etched.step",
      "model_3d_step_plain": "stm32l031c6t7.step",
      "lbr": "stm32l031c6t7.lbr"
    },
    "distributor_links": {
      "lcsc": "C1341541",
      "digikey": "497-STM32L031C6T7-ND",
      "mouser": "511-STM32L031C6T7"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T04:53:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32L031C6T7-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L031C6T7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PC0",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions LPTIM1_IN1, EVENTOUT and LPUART1_RX."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ANTI_TAMP pin function and TAMP1/WKUP2 additional function."
      },
      {
        "number": "3",
        "name": "PC14",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with OSC32_IN (32 kHz oscillator input) pin function."
      },
      {
        "number": "4",
        "name": "PC15",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with OSC32_OUT (32 kHz oscillator output) pin function."
      },
      {
        "number": "5",
        "name": "PH0",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with OSC_IN pin function."
      },
      {
        "number": "6",
        "name": "PH1",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with OSC_OUT pin function."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up resistor."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin; all voltages are referenced to VSS."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply pin."
      },
      {
        "number": "10",
        "name": "PA0",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with ADC_IN0, COMP1_INM6 and RTC_TAMP2/WKUP1 additional functions; alternate functions include LPTIM1_IN1, TIM2_CH1, USART2_CTS and COMP1_OUT."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ADC_IN1 and COMP1_INP additional functions; alternate functions include EVENTOUT, LPTIM1_IN2, TIM2_CH2 and USART2_RTS/USART2_DE."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with ADC_IN2, COMP2_INM6 and RTC_TAMP3/RTC_TS/RTC_OUT/WKUP3 additional functions; alternate functions include USART2_TX and LPUART1_TX."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ADC_IN3 and COMP2_INP additional functions; alternate functions include USART2_RX and LPUART1_RX."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with ADC_IN4, COMP1_INM4 and COMP2_INM4 additional functions; alternate functions include SPI1_NSS and USART2_CK."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Standard 3.3 V (TC) I/O with ADC_IN5, COMP1_INM5 and COMP2_INM5 additional functions; alternate functions include SPI1_SCK and TIM2_CH1."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ADC_IN6 additional function; alternate functions include SPI1_MISO, LPUART1_CTS and COMP1_OUT."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ADC_IN7 additional function; alternate functions include SPI1_MOSI, USART2_CTS and COMP2_OUT."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ADC_IN8 and VREF_OUT additional functions; alternate functions include SPI1_MISO and USART2_RTS/USART2_DE."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with ADC_IN9 and VREF_OUT additional functions; alternate functions include USART2_CK, SPI1_MOSI and LPUART1_RTS/LPUART1_DE."
      },
      {
        "number": "20",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O; alternate function LPTIM1_OUT."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O; alternate functions TIM2_CH3 and LPUART1_TX."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O; alternate functions EVENTOUT, TIM2_CH4 and LPUART1_RX."
      },
      {
        "number": "23",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply pin (VSS)."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply pin (VDD)."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O; alternate functions SPI1_NSS and EVENTOUT."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O; alternate functions SPI1_SCK, MCO, TIM21_CH1 and LPUART1_CTS."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O; alternate functions SPI1_MISO, RTC_OUT, TIM21_CH2 and LPUART1_RTS/LPUART1_DE."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O; alternate functions SPI1_MOSI and RTC_REFIN."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O; alternate functions MCO, LPTIM1_IN1, EVENTOUT, USART2_CK and TIM2_CH1."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant (FTf) I/O with Fast Mode Plus capability; alternate functions MCO, I2C1_SCL, USART2_TX and TIM22_CH1."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant (FTf) I/O with Fast Mode Plus capability; alternate functions I2C1_SDA, USART2_RX and TIM22_CH2."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O; alternate functions SPI1_MISO, EVENTOUT, USART2_CTS, TIM21_CH2 and COMP1_OUT."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O; alternate functions SPI1_MOSI, EVENTOUT, USART2_RTS/USART2_DE and COMP2_OUT."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O; alternate functions SWDIO, LPTIM1_ETR and LPUART1_RX."
      },
      {
        "number": "35",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply pin (VSS)."
      },
      {
        "number": "36",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply pin (VDD)."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O; alternate functions SWCLK, LPTIM1_OUT, I2C1_SMBA, USART2_TX and LPUART1_TX."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O; alternate functions SPI1_NSS, TIM2_ETR, EVENTOUT, USART2_RX and TIM2_CH1."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with COMP2_INN additional function; alternate functions include SPI1_SCK, TIM2_CH2 and EVENTOUT."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with COMP2_INP additional function; alternate functions include SPI1_MISO, EVENTOUT and TIM22_CH1."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with COMP2_INP additional function; alternate functions include SPI1_MOSI, LPTIM1_IN1, I2C1_SMBA and TIM22_CH2."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant (FTf) I/O with Fast Mode Plus capability and COMP2_INP additional function; alternate functions include USART2_TX, I2C1_SCL, LPTIM1_ETR and TIM21_CH1."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant (FTf) I/O with Fast Mode Plus capability and COMP2_INP and VREF_PVD_IN additional functions; alternate functions include USART2_RX, I2C1_SDA and LPTIM1_IN2."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated BOOT0 input pin."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant (FTf) I/O with Fast Mode Plus capability; alternate function I2C1_SCL."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant (FTf) I/O with Fast Mode Plus capability; alternate functions EVENTOUT and I2C1_SDA."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply pin (VSS)."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply pin (VDD)."
      }
    ],
    "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 numbers were taken from the LQFP48 column of Table 15 (pin definitions), not from Figure 4, whic; The datasheet gives no per-pin electrical limits beyond the I/O structure class (FT, FTf, TC, I) def; For PC13 the text extraction places ANTI_TAMP next to the pin name, so it is treated as a pin functi"
        ],
        "pages_sent": 59,
        "cost_usd": 0.2541,
        "at": "2026-10-08T04:53:18"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922356249341952",
        "pages": 126,
        "sha256": "9726c48418e03f62",
        "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": "stm32l031c6t7.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": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32l031c6t7-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": "c704e2cec0a8f967dd335e74a47cee6be55e62d5aced2b36b5bc97dd9390369b",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}