main
Ray Set visibility: public 4766cce 2d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32f051k8t7",
  "title": "STM32F051K8T7",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-32(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",
    "stm32f051k8t7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32F051K8T7",
    "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/8588922457008295936",
    "parts": {
      "symbol": "stm32f051k8t7.kicad_sym",
      "footprint": "stm32f051k8t7.kicad_mod",
      "model_3d": "stm32f051k8t7-hero.glb",
      "model_3d_plain": "stm32f051k8t7.glb",
      "model_3d_step": "stm32f051k8t7-etched.step",
      "model_3d_step_plain": "stm32f051k8t7.step",
      "lbr": "stm32f051k8t7.lbr"
    },
    "distributor_links": {
      "lcsc": "C1338588",
      "digikey": "497-18518-ND",
      "mouser": "511-STM32F051K8T7"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T21:46:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-18518-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32F051K8T7",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital power supply; the digital and I/O supply range is VDD = 2.0 V to 3.6 V."
      },
      {
        "number": "2",
        "name": "PF0-OSC_IN",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O that is also the OSC_IN input of the 4 to 32 MHz crystal oscillator."
      },
      {
        "number": "3",
        "name": "PF1-OSC_OUT",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O that is also the OSC_OUT output of the 4 to 32 MHz crystal oscillator."
      },
      {
        "number": "4",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low bidirectional reset pin with embedded weak pull-up, acting as device reset input and internal reset output."
      },
      {
        "number": "5",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply; VDDA may range from VDD up to 3.6 V."
      },
      {
        "number": "6",
        "name": "PA0",
        "type": "bidirectional",
        "description": "TTa 3.3 V-tolerant I/O directly connected to the ADC (ADC_IN0), also providing USART2_CTS, TIM2_CH1_ETR, COMP1_OUT and TSC_G1_IO1 alternate functions."
      },
      {
        "number": "7",
        "name": "PA1",
        "type": "bidirectional",
        "description": "TTa 3.3 V-tolerant I/O directly connected to the ADC (ADC_IN1), also providing USART2_RTS, TIM2_CH2, TSC_G1_IO2 and EVENTOUT functions."
      },
      {
        "number": "8",
        "name": "PA2",
        "type": "bidirectional",
        "description": "TTa 3.3 V-tolerant I/O directly connected to the ADC (ADC_IN2), also providing USART2_TX, TIM2_CH3, TIM15_CH1, COMP2_OUT and TSC_G1_IO3 functions."
      },
      {
        "number": "9",
        "name": "PA3",
        "type": "bidirectional",
        "description": "TTa 3.3 V-tolerant I/O directly connected to the ADC (ADC_IN3), also providing USART2_RX, TIM2_CH4, TIM15_CH2 and TSC_G1_IO4 functions."
      },
      {
        "number": "10",
        "name": "PA4",
        "type": "bidirectional",
        "description": "TTa 3.3 V-tolerant I/O directly connected to the ADC (ADC_IN4), also providing SPI1_NSS, I2S1_WS, USART2_CK, TIM14_CH1, TSC_G2_IO1 and DAC_OUT1 functions."
      },
      {
        "number": "11",
        "name": "PA5",
        "type": "bidirectional",
        "description": "TTa 3.3 V-tolerant I/O directly connected to the ADC (ADC_IN5), also providing SPI1_SCK, I2S1_CK, CEC, TIM2_CH1_ETR and TSC_G2_IO2 functions."
      },
      {
        "number": "12",
        "name": "PA6",
        "type": "bidirectional",
        "description": "TTa 3.3 V-tolerant I/O directly connected to the ADC (ADC_IN6), also providing SPI1_MISO, I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, COMP1_OUT and TSC_G2_IO3 functions."
      },
      {
        "number": "13",
        "name": "PA7",
        "type": "bidirectional",
        "description": "TTa 3.3 V-tolerant I/O directly connected to the ADC (ADC_IN7), also providing SPI1_MOSI, I2S1_SD, TIM3_CH2, TIM14_CH1, TIM1_CH1N, TIM17_CH1, COMP2_OUT and TSC_G2_IO4 functions."
      },
      {
        "number": "14",
        "name": "PB0",
        "type": "bidirectional",
        "description": "TTa 3.3 V-tolerant I/O directly connected to the ADC (ADC_IN8), also providing TIM3_CH3, TIM1_CH2N, TSC_G3_IO2 and EVENTOUT functions."
      },
      {
        "number": "15",
        "name": "PB1",
        "type": "bidirectional",
        "description": "TTa 3.3 V-tolerant I/O directly connected to the ADC (ADC_IN9), also providing TIM3_CH4, TIM14_CH1, TIM1_CH3N and TSC_G3_IO3 functions."
      },
      {
        "number": "16",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin; per the package notes, the analog ground VSSA is connected to this pin on packages with fewer than 48 pins."
      },
      {
        "number": "17",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital power supply; the digital and I/O supply range is VDD = 2.0 V to 3.6 V."
      },
      {
        "number": "18",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O also providing USART1_CK, TIM1_CH1, EVENTOUT and MCO functions."
      },
      {
        "number": "19",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O also providing USART1_TX, TIM1_CH2, TIM15_BKIN and TSC_G4_IO1 functions."
      },
      {
        "number": "20",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O also providing USART1_RX, TIM1_CH3, TIM17_BKIN and TSC_G4_IO2 functions."
      },
      {
        "number": "21",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O also providing USART1_CTS, TIM1_CH4, COMP1_OUT, TSC_G4_IO3 and EVENTOUT functions."
      },
      {
        "number": "22",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O also providing USART1_RTS, TIM1_ETR, COMP2_OUT, TSC_G4_IO4 and EVENTOUT functions."
      },
      {
        "number": "23",
        "name": "PA13 (SWDIO)",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O that is configured as SWDIO after reset with the internal pull-up enabled, also providing IR_OUT."
      },
      {
        "number": "24",
        "name": "PA14 (SWCLK)",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O that is configured as SWCLK after reset with the internal pull-down enabled, also providing USART2_TX."
      },
      {
        "number": "25",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O also providing SPI1_NSS, I2S1_WS, USART2_RX, TIM2_CH1_ETR and EVENTOUT functions."
      },
      {
        "number": "26",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O also providing SPI1_SCK, I2S1_CK, TIM2_CH2, TSC_G5_IO1 and EVENTOUT functions."
      },
      {
        "number": "27",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O also providing SPI1_MISO, I2S1_MCK, TIM3_CH1, TSC_G5_IO2 and EVENTOUT functions."
      },
      {
        "number": "28",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V-tolerant (FT) I/O also providing SPI1_MOSI, I2S1_SD, I2C1_SMBA, TIM16_BKIN and TIM3_CH2 functions."
      },
      {
        "number": "29",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant (FTf) I/O that is Fast Mode Plus capable, also providing I2C1_SCL, USART1_TX, TIM16_CH1N and TSC_G5_IO3 functions."
      },
      {
        "number": "30",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant (FTf) I/O that is Fast Mode Plus capable, also providing I2C1_SDA, USART1_RX, TIM17_CH1N and TSC_G5_IO4 functions."
      },
      {
        "number": "31",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated BOOT0 pin used for boot memory selection."
      },
      {
        "number": "32",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin."
      }
    ],
    "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 16 is listed twice in Table 13: once as VSSA (analog ground, note 3) and once as VSS (ground). T; Per Table 13 note 4, PB2 and PB8 have no bonded pad on the LQFP32 package (their silicon pads are un; Pin types use KiCad classes: the I/O pins are mapped to bidirectional, NRST is bidirectional with a "
        ],
        "pages_sent": 57,
        "cost_usd": 0.2479,
        "at": "2026-10-07T21:46:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922457008295936",
        "pages": 122,
        "sha256": "80848a22804e56d8",
        "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": [
      {
        "file": "stm32f051k8t7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "be0e412f1c66fee70039b0e109e0cc7c823161dda97593718afa97569bc61ce3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm32f051k8t7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f9003b7d3a32c0bad680f3d6b493f6725ba746c37d7ea94e549150c82b9571f9",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-32(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "32"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm32f051k8t7"
  ],
  "discovery_pitch": "STM32F051K8T7 (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm32f051k8t7.kicad_sym",
    "stm32f051k8t7.kicad_mod",
    "stm32f051k8t7.glb",
    "stm32f051k8t7.step",
    "stm32f051k8t7.lbr",
    "docs/hero.png",
    "docs/stm32f051k8t7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm32f051k8t7-hero.glb",
    "stm32f051k8t7-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}