STM8L051F3P6TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm8l051f3p6tr",
  "title": "STM8L051F3P6TR",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), TSSOP-20. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "mcu",
    "stm8l051f3p6tr"
  ],
  "component": {
    "mpn": "STM8L051F3P6TR",
    "manufacturer": "STMicroelectronics",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "MCU",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://www.st.com/resource/en/datasheet/stm8l051f3p6tr.pdf",
    "parts": {
      "symbol": "stm8l051f3p6tr.kicad_sym",
      "footprint": "stm8l051f3p6tr.kicad_mod",
      "model_3d": "stm8l051f3p6tr-etched.glb",
      "model_3d_plain": "stm8l051f3p6tr.glb",
      "model_3d_step": "stm8l051f3p6tr-etched.step",
      "model_3d_step_plain": "stm8l051f3p6tr.step",
      "lbr": "stm8l051f3p6tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C18088"
    },
    "pins": [
      {
        "number": "1",
        "name": "PC5/OSC32_IN/[SPI1_NSS]/[USART_TX]/TIM2_CH1",
        "type": "bidirectional",
        "description": "Port C bit 5 general-purpose I/O (5 V tolerant not indicated; high-sink 20 mA output). Alternate functions: LSE oscillator input (OSC32_IN), remappable SPI1_NSS or USART_TX, and TIM2 channel 1 capture/compare."
      },
      {
        "number": "2",
        "name": "PC6/OSC32_OUT/[SPI_SCK]/[USART_RX]/TIM2_CH2",
        "type": "bidirectional",
        "description": "Port C bit 6 general-purpose I/O (high-sink 20 mA). Alternate functions: LSE oscillator output (OSC32_OUT), remappable SPI clock or USART_RX, and TIM2 channel 2 capture/compare."
      },
      {
        "number": "3",
        "name": "PA0/[USART_CK]/SWIM/BEEP/IR_TIM",
        "type": "bidirectional",
        "description": "Port A bit 0 general-purpose I/O with high-sink LED-driver capability. Serves as the SWIM single-wire debug/programming pin, and provides BEEP output, IR timer output, or optional USART synchronous clock."
      },
      {
        "number": "4",
        "name": "NRST/PA1",
        "type": "bidirectional",
        "description": "Active-low device reset input with internal pull-up (high-sink output when used as GPIO). Can be reconfigured via option byte as general-purpose PA1 output (open-drain or push-pull); do not use as a general-purpose input."
      },
      {
        "number": "5",
        "name": "PA2/OSC_IN/[USART_TX]/[SPI_MISO]",
        "type": "bidirectional",
        "description": "Port A bit 2 general-purpose I/O (high-sink 20 mA). Alternate functions: HSE crystal oscillator input (OSC_IN), remappable USART transmit or SPI master-in/slave-out."
      },
      {
        "number": "6",
        "name": "PA3/OSC_OUT/[USART_RX]/[SPI_MOSI]",
        "type": "bidirectional",
        "description": "Port A bit 3 general-purpose I/O (high-sink 20 mA). Alternate functions: HSE crystal oscillator output (OSC_OUT), remappable USART receive or SPI master-out/slave-in."
      },
      {
        "number": "7",
        "name": "VSS/VSSA/VREF-",
        "type": "power_in",
        "description": "Combined digital ground, analog ground and ADC1 negative reference. Tie to system ground (0 V)."
      },
      {
        "number": "8",
        "name": "VDD/VDDA/VREF+",
        "type": "power_in",
        "description": "Combined digital supply, analog supply and ADC1 positive voltage reference. 1.8 V to 3.6 V operating range; decouple locally."
      },
      {
        "number": "9",
        "name": "PD0/TIM3_CH2/[ADC1_TRIG]/ADC1_IN22",
        "type": "bidirectional",
        "description": "Port D bit 0 general-purpose I/O (high-sink 20 mA). Alternate functions: TIM3 channel 2 capture/compare, remappable ADC1 external trigger input, and ADC1 analog input channel 22."
      },
      {
        "number": "10",
        "name": "PB0/TIM2_CH1/ADC1_IN18",
        "type": "bidirectional",
        "description": "Port B bit 0 general-purpose I/O (high-sink 20 mA). Alternate functions: TIM2 channel 1 capture/compare and ADC1 analog input channel 18."
      },
      {
        "number": "11",
        "name": "PB1/TIM3_CH1/ADC1_IN17",
        "type": "bidirectional",
        "description": "Port B bit 1 general-purpose I/O (high-sink 20 mA). Alternate functions: TIM3 channel 1 capture/compare and ADC1 analog input channel 17."
      },
      {
        "number": "12",
        "name": "PB2/TIM2_CH2/ADC1_IN16",
        "type": "bidirectional",
        "description": "Port B bit 2 general-purpose I/O (high-sink 20 mA). Alternate functions: TIM2 channel 2 capture/compare and ADC1 analog input channel 16."
      },
      {
        "number": "13",
        "name": "PB3/TIM2_ETR/ADC1_IN15/RTC_ALARM",
        "type": "bidirectional",
        "description": "Port B bit 3 general-purpose I/O (high-sink 20 mA). Alternate functions: TIM2 external trigger, ADC1 analog input channel 15, and RTC alarm output."
      },
      {
        "number": "14",
        "name": "PB4/SPI1_NSS/ADC1_IN14",
        "type": "bidirectional",
        "description": "Port B bit 4 general-purpose I/O (high-sink 20 mA). Alternate functions: SPI1 master/slave select (NSS) and ADC1 analog input channel 14."
      },
      {
        "number": "15",
        "name": "PB5/SPI_SCK/ADC1_IN13",
        "type": "bidirectional",
        "description": "Port B bit 5 general-purpose I/O (high-sink 20 mA). Alternate functions: SPI1 clock and ADC1 analog input channel 13."
      },
      {
        "number": "16",
        "name": "PB6/SPI1_MOSI/ADC1_IN12",
        "type": "bidirectional",
        "description": "Port B bit 6 general-purpose I/O (high-sink 20 mA). Alternate functions: SPI1 master-out/slave-in (MOSI) and ADC1 analog input channel 12."
      },
      {
        "number": "17",
        "name": "PB7/SPI1_MISO/ADC1_IN11",
        "type": "bidirectional",
        "description": "Port B bit 7 general-purpose I/O (high-sink 20 mA). Alternate functions: SPI1 master-in/slave-out (MISO) and ADC1 analog input channel 11."
      },
      {
        "number": "18",
        "name": "PC0/I2C_SDA",
        "type": "bidirectional",
        "description": "Port C bit 0 general-purpose I/O, 5 V tolerant (FT), true open-drain output only. Alternate function: I2C1 data line (SDA)."
      },
      {
        "number": "19",
        "name": "PC1/I2C_SCL",
        "type": "bidirectional",
        "description": "Port C bit 1 general-purpose I/O, 5 V tolerant (FT), true open-drain output only. Alternate function: I2C1 clock line (SCL)."
      },
      {
        "number": "20",
        "name": "PC4/USART_CK/I2C_SMB/CCO/ADC1_IN4",
        "type": "bidirectional",
        "description": "Port C bit 4 general-purpose I/O (high-sink 20 mA). Alternate functions: USART synchronous clock, I2C SMBus alert, configurable clock output (CCO), and ADC1 analog input channel 4 (fast channel)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/stm8l051f3p6tr.pdf",
        "pages": 93,
        "sha256": "4db2aed5fb3f8c22",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.8625,
        -2.925
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TSSOP-20_4.4x6.5mm_P0.65mm@sha256:b7ca3a31dd45c122",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "stm8l051f3p6tr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm8l051f3p6tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "47a921ff9e31550e9dbde7d4a2312d63f8ae461bc3168a3d8fd48f47409ab50f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "TSSOP-20",
      "Category": "MCU",
      "Pins": "20"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm8l051f3p6tr"
  ],
  "discovery_pitch": "STM8L051F3P6TR (STMicroelectronics) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stm8l051f3p6tr.kicad_sym",
    "stm8l051f3p6tr.kicad_mod",
    "stm8l051f3p6tr.glb",
    "stm8l051f3p6tr.step",
    "stm8l051f3p6tr-etched.step",
    "stm8l051f3p6tr.lbr",
    "docs/hero.png",
    "docs/stm8l051f3p6tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "STM8L051F3P6TR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T08:59:15.353Z"
}