STM8L151K6U6

{
  "slug": "stm8l151k6u6",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Microcontroller Units (MCUs/MPUs/SOCs), UFQFPN-32(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "single chip microcomputer-microcontroller",
    "stm8l151k6u6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm8l151k6u6.kicad_sym",
    "stm8l151k6u6.kicad_mod",
    "stm8l151k6u6.glb",
    "stm8l151k6u6.step",
    "stm8l151k6u6.lbr",
    "docs/hero.png",
    "docs/stm8l151k6u6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stm8l151k6u6-hero.glb",
    "stm8l151k6u6-hero.overlay.json",
    "stm8l151k6u6-etched.glb"
  ],
  "component": {
    "mpn": "STM8L151K6U6",
    "manufacturer": "STMicroelectronics",
    "package": "UFQFPN-32(5x5)",
    "pin_count": 33,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://www.st.com/resource/en/datasheet/stm8l151k6u6.pdf",
    "parts": {
      "symbol": "stm8l151k6u6.kicad_sym",
      "footprint": "stm8l151k6u6.kicad_mod",
      "model_3d": "stm8l151k6u6-hero.glb",
      "model_3d_plain": "stm8l151k6u6-etched.glb",
      "model_3d_step": "stm8l151k6u6-etched.step",
      "model_3d_step_plain": "stm8l151k6u6.step",
      "lbr": "stm8l151k6u6.lbr"
    },
    "distributor_links": {
      "lcsc": "C87493",
      "digikey": "497-11566-ND",
      "mouser": "511-STM8L151K6U6"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T23:51:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-11566-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM8L151K6U6",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NRST/PA1",
        "type": "input",
        "description": "Reset input with pull-up at power-up; to be used as general purpose pin PA1 it can only be configured as output open-drain or push-pull, not as a general purpose input."
      },
      {
        "number": "2",
        "name": "PA2/OSC_IN/USART1_TX/SPI1_MISO",
        "type": "bidirectional",
        "description": "Port A2 high-sink I/O that also serves as HSE oscillator input, USART1 transmit and SPI1 master-in/slave-out."
      },
      {
        "number": "3",
        "name": "PA3/OSC_OUT/USART1_RX/SPI1_MOSI",
        "type": "bidirectional",
        "description": "Port A3 high-sink I/O that also serves as HSE oscillator output, USART1 receive and SPI1 master-out/slave-in."
      },
      {
        "number": "4",
        "name": "PA4/TIM2_BKIN/ADC1_IN2/COMP1_INP",
        "type": "bidirectional",
        "description": "Port A4 3.6 V tolerant high-sink I/O that also serves as Timer 2 break input, ADC1 input 2 and comparator 1 positive input."
      },
      {
        "number": "5",
        "name": "PA5/TIM3_BKIN/ADC1_IN1/COMP1_INP",
        "type": "bidirectional",
        "description": "Port A5 3.6 V tolerant high-sink I/O that also serves as Timer 3 break input, ADC1 input 1 and comparator 1 positive input."
      },
      {
        "number": "6",
        "name": "PA6/ADC1_TRIG/ADC1_IN0/COMP1_INP",
        "type": "bidirectional",
        "description": "Port A6 3.6 V tolerant high-sink I/O that also serves as ADC1 trigger (remap option), ADC1 input 0 and comparator 1 positive input."
      },
      {
        "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, operating from 1.8 V to 3.6 V."
      },
      {
        "number": "9",
        "name": "PD0/TIM3_CH2/ADC1_IN22/COMP2_INP/COMP1_INP",
        "type": "bidirectional",
        "description": "Port D0 3.6 V tolerant high-sink I/O that also serves as Timer 3 channel 2, ADC1 input 22, comparator 2 positive input and comparator 1 positive input."
      },
      {
        "number": "10",
        "name": "PD1/TIM1_CH3N/LCD_COM3/ADC1_IN21/COMP2_INP/COMP1_INP",
        "type": "bidirectional",
        "description": "Port D1 3.6 V tolerant high-sink I/O that also serves as TIM1 inverted channel 3, ADC1 input 21, comparator 2 positive input and comparator 1 positive input."
      },
      {
        "number": "11",
        "name": "PD2/TIM1_CH1/ADC1_IN20/COMP1_INP",
        "type": "bidirectional",
        "description": "Port D2 3.6 V tolerant high-sink I/O that also serves as Timer 1 channel 1, ADC1 input 20 and comparator 1 positive input."
      },
      {
        "number": "12",
        "name": "PD3/TIM1_ETR/ADC1_IN19/COMP1_INP",
        "type": "bidirectional",
        "description": "Port D3 3.6 V tolerant high-sink I/O that also serves as Timer 1 external trigger, ADC1 input 19 and comparator 1 positive input."
      },
      {
        "number": "13",
        "name": "PB0/TIM2_CH1/ADC1_IN18/COMP1_INP",
        "type": "bidirectional",
        "description": "Port B0 3.6 V tolerant high-sink I/O with pull-up applied during reset phase, also serving as Timer 2 channel 1, ADC1 input 18 and comparator 1 positive input."
      },
      {
        "number": "14",
        "name": "PB1/TIM3_CH1/ADC1_IN17/COMP1_INP",
        "type": "bidirectional",
        "description": "Port B1 3.6 V tolerant high-sink I/O that also serves as Timer 3 channel 1, ADC1 input 17 and comparator 1 positive input."
      },
      {
        "number": "15",
        "name": "PB2/TIM2_CH2/ADC1_IN16/COMP1_INP",
        "type": "bidirectional",
        "description": "Port B2 3.6 V tolerant high-sink I/O that also serves as Timer 2 channel 2, ADC1 input 16 and comparator 1 positive input."
      },
      {
        "number": "16",
        "name": "PB3/TIM1_CH2N/ADC1_IN15/COMP1_INP",
        "type": "bidirectional",
        "description": "Port B3 3.6 V tolerant high-sink I/O that also serves as Timer 1 inverted channel 2, ADC1 input 15 and comparator 1 positive input."
      },
      {
        "number": "17",
        "name": "PB4/SPI1_NSS/ADC1_IN14/DAC_OUT/COMP1_INP",
        "type": "bidirectional",
        "description": "Port B4 3.6 V tolerant high-sink I/O with pull-up applied during reset phase, also serving as SPI1 master/slave select, ADC1 input 14, DAC output and comparator 1 positive input."
      },
      {
        "number": "18",
        "name": "PB5/SPI1_SCK/ADC1_IN13/DAC_OUT/COMP1_INP",
        "type": "bidirectional",
        "description": "Port B5 3.6 V tolerant high-sink I/O that also serves as SPI1 clock, ADC1 input 13, DAC output and comparator 1 positive input."
      },
      {
        "number": "19",
        "name": "PB6/SPI1_MOSI/ADC1_IN12/DAC_OUT/COMP1_INP",
        "type": "bidirectional",
        "description": "Port B6 3.6 V tolerant high-sink I/O that also serves as SPI1 master-out/slave-in, ADC1 input 12, DAC output and comparator 1 positive input."
      },
      {
        "number": "20",
        "name": "PB7/SPI1_MISO/ADC1_IN11/COMP1_INP",
        "type": "bidirectional",
        "description": "Port B7 3.6 V tolerant high-sink I/O that also serves as SPI1 master-in/slave-out, ADC1 input 11 and comparator 1 positive input."
      },
      {
        "number": "21",
        "name": "PD4/TIM1_CH2/ADC1_IN10/COMP1_INP",
        "type": "bidirectional",
        "description": "Port D4 3.6 V tolerant high-sink I/O that also serves as Timer 1 channel 2, ADC1 input 10 and comparator 1 positive input."
      },
      {
        "number": "22",
        "name": "PD5/TIM1_CH3/ADC1_IN9/COMP1_INP",
        "type": "bidirectional",
        "description": "Port D5 3.6 V tolerant high-sink I/O that also serves as Timer 1 channel 3, ADC1 input 9 and comparator 1 positive input."
      },
      {
        "number": "23",
        "name": "PD6/TIM1_BKIN/ADC1_IN8/RTC_CALIB/COMP1_INP",
        "type": "bidirectional",
        "description": "Port D6 3.6 V tolerant high-sink I/O that also serves as Timer 1 break input, ADC1 input 8, RTC calibration, internal voltage reference output and comparator 1 positive input."
      },
      {
        "number": "24",
        "name": "PD7/TIM1_CH1N/ADC1_IN7/RTC_ALARM/COMP1_INP",
        "type": "bidirectional",
        "description": "Port D7 3.6 V tolerant high-sink I/O that also serves as Timer 1 inverted channel 1, ADC1 input 7, RTC alarm, internal voltage reference output and comparator 1 positive input."
      },
      {
        "number": "25",
        "name": "PC0/I2C1_SDA",
        "type": "bidirectional",
        "description": "Port C0 5 V tolerant I/O with open-drain behaviour that also serves as I2C1 data."
      },
      {
        "number": "26",
        "name": "PC1/I2C1_SCL",
        "type": "bidirectional",
        "description": "Port C1 5 V tolerant I/O with open-drain behaviour that also serves as I2C1 clock."
      },
      {
        "number": "27",
        "name": "PC2/USART1_RX/ADC1_IN6/COMP1_INP/VREFINT",
        "type": "bidirectional",
        "description": "Port C2 3.6 V tolerant high-sink I/O that also serves as USART1 receive, ADC1 input 6, comparator 1 positive input and internal voltage reference output."
      },
      {
        "number": "28",
        "name": "PC3/USART1_TX/ADC1_IN5/COMP1_INP/COMP2_INM",
        "type": "bidirectional",
        "description": "Port C3 3.6 V tolerant high-sink I/O that also serves as USART1 transmit, ADC1 input 5, comparator 1 positive input and comparator 2 negative input."
      },
      {
        "number": "29",
        "name": "PC4/USART1_CK/I2C1_SMB/CCO/ADC1_IN4/COMP2_INM/COMP1_INP",
        "type": "bidirectional",
        "description": "Port C4 3.6 V tolerant high-sink I/O that also serves as USART1 synchronous clock, I2C1_SMB, configurable clock output, ADC1 input 4, comparator 2 negative input and comparator 1 positive input."
      },
      {
        "number": "30",
        "name": "PC5/OSC32_IN/SPI1_NSS/USART1_TX",
        "type": "bidirectional",
        "description": "Port C5 3.6 V tolerant high-sink I/O that also serves as LSE oscillator input, SPI1 master/slave select and USART1 transmit (remap option)."
      },
      {
        "number": "31",
        "name": "PC6/OSC32_OUT/SPI1_SCK/USART1_RX",
        "type": "bidirectional",
        "description": "Port C6 3.6 V tolerant high-sink I/O that also serves as LSE oscillator output, SPI1 clock and USART1 receive (remap option)."
      },
      {
        "number": "32",
        "name": "PA0/USART1_CK/SWIM/BEEP/IR_TIM",
        "type": "bidirectional",
        "description": "Port A0 high-sink I/O with input pull-up during reset and after reset release, also serving as USART1 synchronous clock, SWIM input/output, beep output and infrared timer output, with high sink LED driver capability."
      },
      {
        "number": "33",
        "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-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: STM8L151K6 is a 151-series 32-pin part without LCD. Table 5 lists LCD_SEG/LCD_COM names for pins tha; Pins 9 and 10 of the UFQFPN32 package are listed as PD0 and PD1 in Table 5 (note 8 marks the PD0 alt"
        ],
        "pages_sent": 57,
        "cost_usd": 0.0812,
        "at": "2026-11-05T23:51:35"
      },
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/stm8l151k6u6.pdf",
        "pages": 142,
        "sha256": "6c51d6b741c9d74e",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stm8l151k6u6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "90af021df1253eae35bee4f4a4f9ba63bcf4a308f6e9f12d58f6e00181c23140",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm8l151k6u6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "130a11baf35ad6cb95584374e6e2ab7f696efb6a218cec20b2d603e91312b3d6",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}