CW32L031F8P6

{
  "slug": "cw32l031f8p6",
  "version": "0.1.0",
  "type": "component",
  "description": "CW Microcontroller Units (MCUs/MPUs/SOCs), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "single chip microcomputer-microcontroller",
    "cw32l031f8p6",
    "factory-2.0.0",
    "extractor-text"
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    "cw32l031f8p6.step",
    "cw32l031f8p6.lbr",
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    "cw32l031f8p6-hero.overlay.json",
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  "component": {
    "mpn": "CW32L031F8P6",
    "manufacturer": "CW",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/786dee4be2971c77557ce760bd29aa7e.pdf",
    "parts": {
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      "lbr": "cw32l031f8p6.lbr"
    },
    "distributor_links": {
      "lcsc": "C5464738"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T06:34:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Vcore",
        "type": "power_out",
        "description": "Core-logic supply node listed for the TSSOP20 package; the datasheet gives no voltage or current limit for this pin."
      },
      {
        "number": "2",
        "name": "PF00",
        "type": "bidirectional",
        "description": "TC-type I/O that also serves as the OSC_IN oscillator input; its high-level input threshold is 0.7×VDDIOx minimum."
      },
      {
        "number": "3",
        "name": "PF01",
        "type": "bidirectional",
        "description": "TC-type I/O that also serves as the OSC_OUT oscillator output, with LSE_OUT as an alternate function."
      },
      {
        "number": "4",
        "name": "NRST",
        "type": "input",
        "description": "Chip reset input with internal pull-up of 7 to 9 kΩ; the minimum reset pulse width is 20 µs."
      },
      {
        "number": "5",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for the ADC, reset circuit and RC oscillators, rated 1.65 V to 5.5 V, and must be greater than or equal to VDD."
      },
      {
        "number": "6",
        "name": "PA00",
        "type": "bidirectional",
        "description": "TTa I/O with analog inputs ADC_IN0, VC1_CH0 and LVD_CH1."
      },
      {
        "number": "7",
        "name": "PA01",
        "type": "bidirectional",
        "description": "TTa I/O with analog inputs ADC_IN1 and VC1_CH1."
      },
      {
        "number": "8",
        "name": "PA02",
        "type": "bidirectional",
        "description": "TTa I/O with analog inputs ADC_IN2 and VC1_CH2."
      },
      {
        "number": "9",
        "name": "PA03",
        "type": "bidirectional",
        "description": "TTa I/O with analog inputs ADC_IN3 and VC1_CH3."
      },
      {
        "number": "10",
        "name": "PA04",
        "type": "bidirectional",
        "description": "TTa I/O with analog inputs ADC_IN4 and VC1_CH4."
      },
      {
        "number": "11",
        "name": "PA05",
        "type": "bidirectional",
        "description": "TTa I/O with analog inputs ADC_IN5, VC1_CH5 and VC2_CH0."
      },
      {
        "number": "12",
        "name": "PA06",
        "type": "bidirectional",
        "description": "TTa I/O with analog inputs ADC_IN6, VC1_CH6 and VC2_CH1."
      },
      {
        "number": "13",
        "name": "PA07",
        "type": "bidirectional",
        "description": "TTa I/O with analog inputs ADC_IN7, VC1_CH7 and VC2_CH2."
      },
      {
        "number": "14",
        "name": "PB01",
        "type": "bidirectional",
        "description": "TTa I/O with analog inputs ADC_IN9 and VC2_CH4."
      },
      {
        "number": "15",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the device (Ground)."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "I/O and internal regulator supply, rated 1.65 V to 5.5 V; all VDD pins must be powered at the same voltage."
      },
      {
        "number": "17",
        "name": "PA10",
        "type": "bidirectional",
        "description": "TC standard I/O with alternate functions including I2C_SDA, SPI_SCK and UART1_CTS."
      },
      {
        "number": "18",
        "name": "PA13/SWDIO",
        "type": "bidirectional",
        "description": "TC I/O that is configured as SWDIO after reset with its internal pull-up enabled; alternates include I2C_SDA, UART1_RXD and IR_OUT."
      },
      {
        "number": "19",
        "name": "PA14/SWCLK",
        "type": "bidirectional",
        "description": "TC I/O that is configured as SWCLK after reset with its internal pull-up enabled; alternates include UART3_TXD and I2C_SCL."
      },
      {
        "number": "20",
        "name": "PF03/BOOT",
        "type": "input",
        "description": "Boot pin sampled at startup to select between the internal Bootloader and the user program."
      }
    ],
    "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: The TSSOP20 pin table gives no electrical type or limits for Vcore (pin 1). The power_out type is an"
        ],
        "pages_sent": 68,
        "cost_usd": 0.0649,
        "at": "2026-10-27T06:33:50"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/786dee4be2971c77557ce760bd29aa7e.pdf",
        "pages": 74,
        "sha256": "0e51efc1f45a11c9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "seat": "z = 0",
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "checked": "2026-10-27",
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}