WK2124-ISSG

{
  "schema_version": 1,
  "type": "component",
  "slug": "wk2124-issg",
  "title": "WK2124-ISSG",
  "brief": "WEIKAI Interface - Specialized, SSOP-20-208mil. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "wk2124-issg"
  ],
  "component": {
    "mpn": "WK2124-ISSG",
    "manufacturer": "WEIKAI",
    "package": "SSOP-20-208mil",
    "pin_count": 20,
    "category": "Interface",
    "subcategory": "Interface - Specialized",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586180009564786688",
    "parts": {
      "symbol": "wk2124-issg.kicad_sym",
      "footprint": "wk2124-issg.kicad_mod",
      "model_3d": "wk2124-issg-etched.glb",
      "model_3d_plain": "wk2124-issg.glb",
      "model_3d_step": "wk2124-issg-etched.step",
      "model_3d_step_plain": "wk2124-issg.step",
      "lbr": "wk2124-issg.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference."
      },
      {
        "number": "2",
        "name": "SCS",
        "type": "input",
        "description": "SPI chip select input (SSEL), active low. Asserted by the SPI master to select the WK2124."
      },
      {
        "number": "3",
        "name": "SCLK",
        "type": "input",
        "description": "SPI clock input from the master. WK2124 operates in SPI slave mode, SPI mode 0, up to 10 Mbit/s."
      },
      {
        "number": "4",
        "name": "SDIN",
        "type": "input",
        "description": "SPI serial data input (MOSI) from the master."
      },
      {
        "number": "5",
        "name": "SDOUT",
        "type": "output",
        "description": "SPI serial data output (MISO) to the master."
      },
      {
        "number": "6",
        "name": "RX4",
        "type": "input",
        "description": "UART sub-channel 4 serial data input."
      },
      {
        "number": "7",
        "name": "TX4",
        "type": "output",
        "description": "UART sub-channel 4 serial data output."
      },
      {
        "number": "8",
        "name": "/RST",
        "type": "input",
        "description": "Hardware reset input, active low."
      },
      {
        "number": "9",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, 2.5 V to 5.0 V."
      },
      {
        "number": "10",
        "name": "/IRQ",
        "type": "output",
        "description": "Interrupt request output, active low. Open-drain style; datasheet recommends an external pull-up (~5.1 kΩ typical)."
      },
      {
        "number": "11",
        "name": "TX2",
        "type": "output",
        "description": "UART sub-channel 2 serial data output."
      },
      {
        "number": "12",
        "name": "RX2",
        "type": "input",
        "description": "UART sub-channel 2 serial data input."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference."
      },
      {
        "number": "14",
        "name": "TX1",
        "type": "output",
        "description": "UART sub-channel 1 serial data output."
      },
      {
        "number": "15",
        "name": "RX1",
        "type": "input",
        "description": "UART sub-channel 1 serial data input."
      },
      {
        "number": "16",
        "name": "TX3",
        "type": "output",
        "description": "UART sub-channel 3 serial data output."
      },
      {
        "number": "17",
        "name": "RX3",
        "type": "input",
        "description": "UART sub-channel 3 serial data input."
      },
      {
        "number": "18",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, 2.5 V to 5.0 V."
      },
      {
        "number": "19",
        "name": "OSCI",
        "type": "input",
        "description": "Crystal oscillator input. A 1 MΩ resistor should be placed in parallel with the crystal."
      },
      {
        "number": "20",
        "name": "OSCO",
        "type": "output",
        "description": "Crystal oscillator output. Connects to the opposite terminal of the crystal from OSCI."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586180009564786688",
        "pages": 21,
        "sha256": "61ccd637c44923b3",
        "source_tier": "lcsc"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "wk2124-issg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          7.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9a01a276d0b4d9561efd58f2fcee56f52c1b6ab464ea7a0380cab4e87a924e6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "wk2124-issg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          7.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "098f1365de763eca3a099f53725767b843fffe8caba83092d36d23c19ed604ad",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "WEIKAI",
      "Package": "SSOP-20-208mil",
      "Category": "Interface",
      "Pins": "20"
    }
  },
  "variants": [
    {
      "mpn": "WK2124-ISSG",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "wk2124-issg"
  ],
  "discovery_pitch": "WK2124-ISSG (WEIKAI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "wk2124-issg.kicad_sym",
    "wk2124-issg.kicad_mod",
    "wk2124-issg.glb",
    "wk2124-issg.step",
    "wk2124-issg.lbr",
    "docs/hero.png",
    "docs/wk2124-issg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T14:05:48.064Z"
}