STM32L051K8T7

{
  "slug": "stm32l051k8t7",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-32(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32l051k8t7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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    "README.md",
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    "stm32l051k8t7.kicad_mod",
    "stm32l051k8t7.glb",
    "stm32l051k8t7.step",
    "stm32l051k8t7.lbr",
    "docs/hero.png",
    "docs/stm32l051k8t7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32l051k8t7-hero.glb",
    "stm32l051k8t7-hero.overlay.json"
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  "component": {
    "mpn": "STM32L051K8T7",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-32(7x7)",
    "pin_count": 32,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922103155974144",
    "parts": {
      "symbol": "stm32l051k8t7.kicad_sym",
      "footprint": "stm32l051k8t7.kicad_mod",
      "model_3d": "stm32l051k8t7-hero.glb",
      "model_3d_plain": "stm32l051k8t7.glb",
      "model_3d_step": "stm32l051k8t7-etched.step",
      "model_3d_step_plain": "stm32l051k8t7.step",
      "lbr": "stm32l051k8t7.lbr"
    },
    "distributor_links": {
      "lcsc": "C1341080",
      "digikey": "497-STM32L051K8T7-ND",
      "mouser": "511-STM32L051K8T7"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T04:51:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32L051K8T7-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32L051K8T7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin; the features list gives a 1.65 V to 3.6 V power supply, with all voltages referenced to VSS."
      },
      {
        "number": "2",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with additional function OSC32_IN for the 32 kHz oscillator; all I/Os are floating inputs during and after reset unless a note states otherwise."
      },
      {
        "number": "3",
        "name": "PC15-OSC32_OUT (PC15)",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (TC) with additional function OSC32_OUT for the 32 kHz oscillator."
      },
      {
        "number": "4",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up resistor (RST I/O structure)."
      },
      {
        "number": "5",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply pin for the analog peripherals, with all voltages referenced to VSS."
      },
      {
        "number": "6",
        "name": "PA0",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (TC) with alternate functions TIM2_CH1, USART2_CTS, TIM2_ETR and COMP1_OUT, and additional functions COMP1_INM6, ADC_IN0 and RTC_TAMP2/WKUP1."
      },
      {
        "number": "7",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions EVENTOUT, TIM2_CH2, USART2_RTS/USART2_DE and TIM21_ETR, and additional functions COMP1_INP and ADC_IN1."
      },
      {
        "number": "8",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions TIM21_CH1, TIM2_CH3, USART2_TX and COMP2_OUT, and additional functions COMP2_INM6 and ADC_IN2."
      },
      {
        "number": "9",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions TIM21_CH2, TIM2_CH4 and USART2_RX, and additional functions COMP2_INP and ADC_IN3."
      },
      {
        "number": "10",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (TC) with alternate functions SPI1_NSS, USART2_CK and TIM22_ETR, and additional functions COMP1_INM4, COMP2_INM4 and ADC_IN4."
      },
      {
        "number": "11",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (TC) with alternate functions SPI1_SCK, TIM2_ETR and TIM2_CH1, and additional functions COMP1_INM5, COMP2_INM5 and ADC_IN5."
      },
      {
        "number": "12",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SPI1_MISO, LPUART1_CTS, TIM22_CH1, EVENTOUT and COMP1_OUT, and additional function ADC_IN6."
      },
      {
        "number": "13",
        "name": "PA7",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SPI1_MOSI, TIM22_CH2, EVENTOUT and COMP2_OUT, and additional function ADC_IN7."
      },
      {
        "number": "14",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate function EVENTOUT, and additional functions ADC_IN8 and VREF_OUT."
      },
      {
        "number": "15",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate function LPUART1_RTS/LPUART1_DE, and additional functions ADC_IN9 and VREF_OUT."
      },
      {
        "number": "16",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all voltages are referenced to VSS."
      },
      {
        "number": "17",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin; the features list gives a 1.65 V to 3.6 V power supply, with all voltages referenced to VSS."
      },
      {
        "number": "18",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions MCO, EVENTOUT and USART1_CK."
      },
      {
        "number": "19",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions MCO and USART1_TX."
      },
      {
        "number": "20",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate function USART1_RX."
      },
      {
        "number": "21",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SPI1_MISO, EVENTOUT, USART1_CTS and COMP1_OUT."
      },
      {
        "number": "22",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SPI1_MOSI, EVENTOUT, USART1_RTS/USART1_DE and COMP2_OUT."
      },
      {
        "number": "23",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate function SWDIO (serial wire debug data)."
      },
      {
        "number": "24",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SWCLK (serial wire debug clock) and USART2_TX."
      },
      {
        "number": "25",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SPI1_NSS, TIM2_ETR, EVENTOUT, USART2_RX and TIM2_CH1."
      },
      {
        "number": "26",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SPI1_SCK, TIM2_CH2 and EVENTOUT, and additional function COMP2_INN."
      },
      {
        "number": "27",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SPI1_MISO, EVENTOUT and TIM22_CH1, and additional function COMP2_INP."
      },
      {
        "number": "28",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) I/O with alternate functions SPI1_MOSI, LPTIM1_IN1, I2C1_SMBA and TIM22_CH2, and additional function COMP2_INP."
      },
      {
        "number": "29",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant, FM+ capable (FTf) I/O with alternate functions USART1_TX, I2C1_SCL and LPTIM1_ETR, and additional function COMP2_INP."
      },
      {
        "number": "30",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant, FM+ capable (FTf) I/O with alternate functions USART1_RX, I2C1_SDA and LPTIM1_IN2, and additional functions COMP2_INP and PVD_IN."
      },
      {
        "number": "31",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated BOOT0 pin used for boot mode selection."
      },
      {
        "number": "32",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; all voltages are referenced to VSS."
      }
    ],
    "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 3 (PC15-OSC32_OUT) is listed as I/O structure TC in Table 15, but the revision history (rev 5) s; Pin 31 (BOOT0) is given only as pin type 'B' (dedicated BOOT0 pin) in Table 15. It is typed here as ; Table 15 note 1: PB9/12/13/14/15, PH0/1 and PC13 are not bonded on LQFP32 but should be configured a"
        ],
        "pages_sent": 59,
        "cost_usd": 0.2525,
        "at": "2026-10-08T04:51:27"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922103155974144",
        "pages": 133,
        "sha256": "232fdca5c41218a1",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 32,
        "described": 32,
        "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": [
          9.0,
          9.0,
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "be0e412f1c66fee70039b0e109e0cc7c823161dda97593718afa97569bc61ce3",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32l051k8t7-etched.step",
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        "sha256": "cfd54fc90c80d8d2bf9576ec1c378a48b44612b03e1aee2363ae231fba30bbb7",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}