STM8L151K4T6TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm8l151k4t6tr",
  "title": "STM8L151K4T6TR",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm8l151k4t6tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM8L151K4T6TR",
    "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/8588943117998804992",
    "parts": {
      "symbol": "stm8l151k4t6tr.kicad_sym",
      "footprint": "stm8l151k4t6tr.kicad_mod",
      "model_3d": "stm8l151k4t6tr-hero.glb",
      "model_3d_plain": "stm8l151k4t6tr.glb",
      "model_3d_step": "stm8l151k4t6tr-etched.step",
      "model_3d_step_plain": "stm8l151k4t6tr.step",
      "lbr": "stm8l151k4t6tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2053770",
      "digikey": "497-19389-2-ND",
      "mouser": "511-STM8L151K4T6TR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T17:52:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-19389-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-STM8L151K4T6TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NRST/PA1",
        "type": "bidirectional",
        "description": "Reset input with pull-up at power-up; as general-purpose PA1 it can only be configured as open-drain or push-pull output, not as a general-purpose input."
      },
      {
        "number": "2",
        "name": "PA2/OSC_IN",
        "type": "bidirectional",
        "description": "Port A2 I/O (high sink/source 20 mA) that doubles as the HSE oscillator input, with USART1_TX and SPI1_MISO as remappable alternate functions."
      },
      {
        "number": "3",
        "name": "PA3/OSC_OUT",
        "type": "bidirectional",
        "description": "Port A3 I/O (high sink/source 20 mA) that doubles as the HSE oscillator output, with USART1_RX and SPI1_MOSI as remappable alternate functions."
      },
      {
        "number": "4",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Port A4 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing TIM2 break input, ADC1 input 2 and comparator 1 positive input."
      },
      {
        "number": "5",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Port A5 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing TIM3 break input, ADC1 input 1 and comparator 1 positive input."
      },
      {
        "number": "6",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Port A6 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing ADC1 input 0 and comparator 1 positive input, with [ADC1_TRIG] as a remappable alternate function."
      },
      {
        "number": "7",
        "name": "VSS1/VSSA/VREF-",
        "type": "power_in",
        "description": "I/O ground, analog ground voltage and ADC1 negative voltage reference."
      },
      {
        "number": "8",
        "name": "VDD1/VDDA/VREF+",
        "type": "power_in",
        "description": "Digital power supply, analog supply voltage and ADC1 positive voltage reference."
      },
      {
        "number": "9",
        "name": "PD0",
        "type": "bidirectional",
        "description": "Port D0 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing TIM3 channel 2, ADC1 input 22 and comparator 1 and 2 positive inputs."
      },
      {
        "number": "10",
        "name": "PD1",
        "type": "bidirectional",
        "description": "Port D1 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing TIM1 inverted channel 3 (TIM1_CH3N), ADC1 input 21 and comparator 1 and 2 positive inputs."
      },
      {
        "number": "11",
        "name": "PD2",
        "type": "bidirectional",
        "description": "Port D2 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing TIM1 channel 1, ADC1 input 20 and comparator 1 positive input."
      },
      {
        "number": "12",
        "name": "PD3",
        "type": "bidirectional",
        "description": "Port D3 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing TIM1 external trigger, ADC1 input 19 and comparator 1 positive input."
      },
      {
        "number": "13",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Port B0 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing TIM2 channel 1, ADC1 input 18 and comparator 1 positive input; a pull-up is applied during reset and the pin is input floating after reset release."
      },
      {
        "number": "14",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Port B1 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing TIM3 channel 1, ADC1 input 17 and comparator 1 positive input."
      },
      {
        "number": "15",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Port B2 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing TIM2 channel 2, ADC1 input 16 and comparator 1 positive input."
      },
      {
        "number": "16",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Port B3 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing TIM1 inverted channel 2 (TIM1_CH2N), ADC1 input 15 and comparator 1 positive input, with [TIM2_ETR] as a remappable alternate function."
      },
      {
        "number": "17",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Port B4 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing ADC1 input 14, DAC output and comparator 1 positive input, with [SPI1_NSS] as a remappable alternate function; a pull-up is applied during reset and the pin is input floating after reset release."
      },
      {
        "number": "18",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Port B5 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing ADC1 input 13, DAC output and comparator 1 positive input, with [SPI1_SCK] as a remappable alternate function."
      },
      {
        "number": "19",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Port B6 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing ADC1 input 12, DAC output and comparator 1 positive input, with [SPI1_MOSI] as a remappable alternate function."
      },
      {
        "number": "20",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Port B7 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing ADC1 input 11 and comparator 1 positive input, with [SPI1_MISO] as a remappable alternate function."
      },
      {
        "number": "21",
        "name": "PD4",
        "type": "bidirectional",
        "description": "Port D4 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing TIM1 channel 2, ADC1 input 10 and comparator 1 positive input."
      },
      {
        "number": "22",
        "name": "PD5",
        "type": "bidirectional",
        "description": "Port D5 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing TIM1 channel 3, ADC1 input 9 and comparator 1 positive input."
      },
      {
        "number": "23",
        "name": "PD6",
        "type": "bidirectional",
        "description": "Port D6 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing TIM1 break input, ADC1 input 8, RTC calibration output, internal voltage reference output and comparator 1 positive input."
      },
      {
        "number": "24",
        "name": "PD7",
        "type": "bidirectional",
        "description": "Port D7 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing TIM1 inverted channel 1 (TIM1_CH1N), ADC1 input 7, RTC alarm, internal voltage reference output and comparator 1 positive input."
      },
      {
        "number": "25",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Port C0 I/O, 5 V tolerant (FT) with true open-drain output and no protection diode to VDD, providing I2C1 data (SDA)."
      },
      {
        "number": "26",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Port C1 I/O, 5 V tolerant (FT) with true open-drain output and no protection diode to VDD, providing I2C1 clock (SCL)."
      },
      {
        "number": "27",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Port C2 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing USART1 receive, ADC1 input 6, comparator 1 positive input and internal voltage reference output (VREFINT)."
      },
      {
        "number": "28",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Port C3 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing USART1 transmit, ADC1 input 5, comparator 1 positive input and comparator 2 negative input."
      },
      {
        "number": "29",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Port C4 I/O, 3.6 V tolerant (TT) with no protection diode to VDD, providing USART1 synchronous clock (USART1_CK), I2C1_SMB, configurable clock output (CCO), ADC1 input 4, comparator 2 negative input and comparator 1 positive input."
      },
      {
        "number": "30",
        "name": "PC5/OSC32_IN",
        "type": "bidirectional",
        "description": "Port C5 I/O that doubles as the LSE oscillator input (OSC32_IN), with [SPI1_NSS] and [USART1_TX] as remappable alternate functions."
      },
      {
        "number": "31",
        "name": "PC6/OSC32_OUT",
        "type": "bidirectional",
        "description": "Port C6 I/O that doubles as the LSE oscillator output (OSC32_OUT), with [SPI1_SCK] and [USART1_RX] as remappable alternate functions."
      },
      {
        "number": "32",
        "name": "PA0",
        "type": "bidirectional",
        "description": "Port A0 I/O with high sink LED driver capability (20 mA), input pull-up during reset and after reset release, providing [USART1_CK], SWIM input/output, BEEP output and infrared timer output."
      }
    ],
    "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: Package selection: MPN STM8L151K4T6TR is a 32-pin (K), LQFP (T), 16 KB Flash, -40 to 85 °C part with; STM8L151 (no LCD) variant: Table 5 lists LCD_COM/LCD_SEG/VLCD functions, which apply only to STM8L15; Pin 1 (NRST/PA1) is typed bidirectional because it is both the reset input and a GPIO (PA1). Datashe"
        ],
        "pages_sent": 56,
        "cost_usd": 0.2545,
        "at": "2026-10-08T17:51:45"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588943117998804992",
        "pages": 141,
        "sha256": "76f669f0972e887a",
        "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": "stm8l151k4t6tr.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": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm8l151k4t6tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "cc65aa8f8ac77c76bcdc6b9719bc6bc6d0e7ed030f4d2dd1a9592fc40486eb4b",
        "checked": "2026-10-08",
        "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": [
    "stm8l151k4t6tr"
  ],
  "discovery_pitch": "STM8L151K4T6TR (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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}