STC15W204S-35I-SOP8

{
  "slug": "stc15w204s-35i-sop8",
  "version": "0.1.0",
  "type": "component",
  "description": "STC Micro Microcontrollers (MCU/MPU/SOC), SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stc15w204s-35i-sop8",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stc15w204s-35i-sop8.kicad_sym",
    "stc15w204s-35i-sop8.kicad_mod",
    "stc15w204s-35i-sop8.glb",
    "stc15w204s-35i-sop8.step",
    "stc15w204s-35i-sop8.lbr",
    "docs/hero.png",
    "docs/stc15w204s-35i-sop8-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stc15w204s-35i-sop8-hero.glb",
    "stc15w204s-35i-sop8-hero.overlay.json"
  ],
  "component": {
    "mpn": "STC15W204S-35I-SOP8",
    "manufacturer": "STC Micro",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8609193250297704448",
    "parts": {
      "symbol": "stc15w204s-35i-sop8.kicad_sym",
      "footprint": "stc15w204s-35i-sop8.kicad_mod",
      "model_3d": "stc15w204s-35i-sop8-hero.glb",
      "model_3d_plain": "stc15w204s-35i-sop8.glb",
      "model_3d_step": "stc15w204s-35i-sop8-etched.step",
      "model_3d_step_plain": "stc15w204s-35i-sop8.step",
      "lbr": "stc15w204s-35i-sop8.lbr"
    },
    "distributor_links": {
      "lcsc": "C42240"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T19:45:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P5.4/RST/MCLKO/SS/CMP-",
        "type": "bidirectional",
        "description": "Standard I/O PORT5[4] that can be configured as the active-high reset input RST, the master-clock output MCLKO (internal R/C clock only on this series), or the comparator negative input CMP-, and must be set to high-impedance input when used as CMP-."
      },
      {
        "number": "2",
        "name": "Vcc",
        "type": "power_in",
        "description": "Positive supply pin; the STC15W204S series operates from 2.5V to 5.5V."
      },
      {
        "number": "3",
        "name": "P5.5/CMP+",
        "type": "bidirectional",
        "description": "Standard I/O PORT5[5] that doubles as the comparator positive input CMP+, and must be set to high-impedance input when used as CMP+."
      },
      {
        "number": "4",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground (negative supply) pin."
      },
      {
        "number": "5",
        "name": "P3.0/RxD/INT4/T2CLKO",
        "type": "bidirectional",
        "description": "Standard I/O PORT3[0] that also serves as serial port 1 receive RxD, falling-edge-only external interrupt INT4 with power-down wake-up, and T2 clock output T2CLKO when enabled via INT_CLKO[2]."
      },
      {
        "number": "6",
        "name": "P3.1/TxD/T2",
        "type": "bidirectional",
        "description": "Standard I/O PORT3[1] that also serves as serial port 1 transmit TxD and the external count input for Timer/Counter 2 (T2)."
      },
      {
        "number": "7",
        "name": "P3.2/INT0",
        "type": "bidirectional",
        "description": "Standard I/O PORT3[2] that also serves as external interrupt 0, which is rising- and falling-edge triggered unless IT0 is set (falling edge only), and supports power-down wake-up."
      },
      {
        "number": "8",
        "name": "P3.3/INT1",
        "type": "bidirectional",
        "description": "Standard I/O PORT3[3] that also serves as external interrupt 1, which is rising- and falling-edge triggered unless IT1 is set (falling edge only), and supports power-down wake-up."
      }
    ],
    "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-to-number mapping was taken from the SOP8 pin diagram (page 122), where the labels are laid out ; P3.0 (RxD) and P3.1 (TxD) are also the ISP download/emulation pins. The datasheet recommends moving ; P5.4 and P5.5 are comparator inputs (CMP-/CMP+); the datasheet requires them to be set to high-imped"
        ],
        "pages_sent": 169,
        "cost_usd": 0.9921,
        "at": "2026-10-09T19:44:30"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8609193250297704448",
        "pages": 1219,
        "sha256": "cc8c299c891646e0",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stc15w204s-35i-sop8.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stc15w204s-35i-sop8-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1dcd63dbaf31a0513b7171c06b326ab290ec421f8e5cf09bbbcd34e388b3903f",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}