main
Ray Publish 0.1.0 2139519 1d ago
{
  "slug": "stc8c2k32s2-36i-lqfp44",
  "version": "0.1.0",
  "type": "component",
  "description": "STC Micro Microcontroller Units (MCUs/MPUs/SOCs), LQFP-44. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "single chip microcomputer-microcontroller",
    "stc8c2k32s2-36i-lqfp44",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "stc8c2k32s2-36i-lqfp44.kicad_sym",
    "stc8c2k32s2-36i-lqfp44.kicad_mod",
    "stc8c2k32s2-36i-lqfp44.glb",
    "stc8c2k32s2-36i-lqfp44.step",
    "stc8c2k32s2-36i-lqfp44.lbr",
    "docs/hero.png",
    "docs/stc8c2k32s2-36i-lqfp44-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "stc8c2k32s2-36i-lqfp44-hero.glb",
    "stc8c2k32s2-36i-lqfp44-hero.overlay.json",
    "stc8c2k32s2-36i-lqfp44-etched.glb"
  ],
  "component": {
    "mpn": "STC8C2K32S2-36I-LQFP44",
    "manufacturer": "STC Micro",
    "package": "LQFP-44",
    "pin_count": 44,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/73d58be2ee34ecb6692592c0f184ce32.pdf",
    "parts": {
      "symbol": "stc8c2k32s2-36i-lqfp44.kicad_sym",
      "footprint": "stc8c2k32s2-36i-lqfp44.kicad_mod",
      "model_3d": "stc8c2k32s2-36i-lqfp44-hero.glb",
      "model_3d_plain": "stc8c2k32s2-36i-lqfp44-etched.glb",
      "model_3d_step": "stc8c2k32s2-36i-lqfp44-etched.step",
      "model_3d_step_plain": "stc8c2k32s2-36i-lqfp44.step",
      "lbr": "stc8c2k32s2-36i-lqfp44.lbr"
    },
    "distributor_links": {
      "lcsc": "C5187365"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T19:52:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P1.0",
        "type": "bidirectional",
        "description": "Standard I/O port P1.0, also RxD2 (UART2 receive). Port is high-impedance input after power-up except P3.0/P3.1."
      },
      {
        "number": "2",
        "name": "P1.1",
        "type": "bidirectional",
        "description": "Standard I/O port P1.1, also TxD2 (UART2 transmit output)."
      },
      {
        "number": "3",
        "name": "P1.2",
        "type": "bidirectional",
        "description": "Standard I/O port P1.2, also SS (SPI slave select), T2 external clock input."
      },
      {
        "number": "4",
        "name": "P1.3",
        "type": "bidirectional",
        "description": "Standard I/O port P1.3, also MOSI (SPI master out) and T2CLKO (Timer 2 clock output)."
      },
      {
        "number": "5",
        "name": "P1.4",
        "type": "bidirectional",
        "description": "Standard I/O port P1.4, also MISO (SPI master in) and I2C SDA data line."
      },
      {
        "number": "6",
        "name": "P4.4",
        "type": "bidirectional",
        "description": "Standard I/O port P4.4, also external bus RD read strobe and TxD_4 (UART1 transmit alternate)."
      },
      {
        "number": "7",
        "name": "P1.5",
        "type": "bidirectional",
        "description": "Standard I/O port P1.5, also SPI clock SCLK and I2C clock SCL."
      },
      {
        "number": "8",
        "name": "P1.6",
        "type": "bidirectional",
        "description": "Standard I/O port P1.6, also RxD_3 (UART1 receive alternate), XTALO external crystal output and MCLKO_2 main clock output."
      },
      {
        "number": "9",
        "name": "P1.7",
        "type": "bidirectional",
        "description": "Standard I/O port P1.7, also TxD_3 (UART1 transmit alternate) and XTALI external crystal/clock input."
      },
      {
        "number": "10",
        "name": "P4.5",
        "type": "bidirectional",
        "description": "Standard I/O port P4.5, also ALE on external bus."
      },
      {
        "number": "11",
        "name": "P4.6",
        "type": "bidirectional",
        "description": "Standard I/O port P4.6."
      },
      {
        "number": "12",
        "name": "P4.7",
        "type": "bidirectional",
        "description": "Standard I/O port P4.7."
      },
      {
        "number": "13",
        "name": "P5.4",
        "type": "bidirectional",
        "description": "Standard I/O port P5.4, also RST reset input (active low when configured as reset pin) and MCLKO main clock output."
      },
      {
        "number": "14",
        "name": "Vcc",
        "type": "power_in",
        "description": "Power supply pin, operating voltage 1.9V to 5.5V."
      },
      {
        "number": "15",
        "name": "P5.5",
        "type": "bidirectional",
        "description": "Standard I/O port P5.5."
      },
      {
        "number": "16",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "17",
        "name": "P4.0",
        "type": "bidirectional",
        "description": "Standard I/O port P4.0, also WR_3 external bus write strobe and RxD2_2 (UART2 receive alternate)."
      },
      {
        "number": "18",
        "name": "P3.0",
        "type": "bidirectional",
        "description": "Standard I/O port P3.0, also RxD (UART1 receive) and external interrupt INT4; weak-pull-up/quasi-bidirectional after power-up."
      },
      {
        "number": "19",
        "name": "P3.1",
        "type": "bidirectional",
        "description": "Standard I/O port P3.1, also TxD (UART1 transmit); weak-pull-up/quasi-bidirectional after power-up."
      },
      {
        "number": "20",
        "name": "P3.2",
        "type": "bidirectional",
        "description": "Standard I/O port P3.2, also external interrupt INT0, SPI SCLK_4 and I2C SCL_4; must not be held low together with P3.0 and P3.1 at power-up if USB ISP is not used."
      },
      {
        "number": "21",
        "name": "P3.3",
        "type": "bidirectional",
        "description": "Standard I/O port P3.3, also external interrupt INT1, SPI MISO_4 and I2C SDA_4."
      },
      {
        "number": "22",
        "name": "P3.4",
        "type": "bidirectional",
        "description": "Standard I/O port P3.4, also Timer 0 external clock input T0, T1CLKO output, SPI MOSI_4 and comparator output CMPO."
      },
      {
        "number": "23",
        "name": "P3.5",
        "type": "bidirectional",
        "description": "Standard I/O port P3.5, also Timer 1 external clock input T1, T0CLKO output and SPI SS_4."
      },
      {
        "number": "24",
        "name": "P3.6",
        "type": "bidirectional",
        "description": "Standard I/O port P3.6, also external interrupt INT2, external bus WR_2, RxD_2 and comparator negative input CMP-."
      },
      {
        "number": "25",
        "name": "P3.7",
        "type": "bidirectional",
        "description": "Standard I/O port P3.7, also external interrupt INT3, external bus RD_2, TxD_2 and comparator positive input CMP+."
      },
      {
        "number": "26",
        "name": "P4.1",
        "type": "bidirectional",
        "description": "Standard I/O port P4.1, also ALE on external bus and comparator output CMPO_2."
      },
      {
        "number": "27",
        "name": "P2.0",
        "type": "bidirectional",
        "description": "Standard I/O port P2.0, also external bus address line A8."
      },
      {
        "number": "28",
        "name": "P2.1",
        "type": "bidirectional",
        "description": "Standard I/O port P2.1, also external bus address line A9."
      },
      {
        "number": "29",
        "name": "P2.2",
        "type": "bidirectional",
        "description": "Standard I/O port P2.2, also external bus address line A10 and SPI SS_2."
      },
      {
        "number": "30",
        "name": "P2.3",
        "type": "bidirectional",
        "description": "Standard I/O port P2.3, also external bus address line A11 and SPI MOSI_2."
      },
      {
        "number": "31",
        "name": "P2.4",
        "type": "bidirectional",
        "description": "Standard I/O port P2.4, also external bus address line A12, SPI MISO_2 and I2C SDA_2."
      },
      {
        "number": "32",
        "name": "P2.5",
        "type": "bidirectional",
        "description": "Standard I/O port P2.5, also external bus address line A13, SPI SCLK_2 and I2C SCL_2."
      },
      {
        "number": "33",
        "name": "P2.6",
        "type": "bidirectional",
        "description": "Standard I/O port P2.6, also external bus address line A14."
      },
      {
        "number": "34",
        "name": "P2.7",
        "type": "bidirectional",
        "description": "Standard I/O port P2.7, also external bus address line A15."
      },
      {
        "number": "35",
        "name": "P0.0",
        "type": "bidirectional",
        "description": "Standard I/O port P0.0, also external bus address/data AD0 and UART3 receive RxD3."
      },
      {
        "number": "36",
        "name": "P0.1",
        "type": "bidirectional",
        "description": "Standard I/O port P0.1, also external bus address/data AD1 and UART3 transmit TxD3."
      },
      {
        "number": "37",
        "name": "P0.2",
        "type": "bidirectional",
        "description": "Standard I/O port P0.2, also external bus address/data AD2 and UART4 receive RxD4."
      },
      {
        "number": "38",
        "name": "P0.3",
        "type": "bidirectional",
        "description": "Standard I/O port P0.3, also external bus address/data AD3 and UART4 transmit TxD4."
      },
      {
        "number": "39",
        "name": "P0.4",
        "type": "bidirectional",
        "description": "Standard I/O port P0.4, also external bus address/data AD4 and Timer 3 external clock input T3."
      },
      {
        "number": "40",
        "name": "P0.5",
        "type": "bidirectional",
        "description": "Standard I/O port P0.5, also external bus address/data AD5 and Timer 3 clock output T3CLKO."
      },
      {
        "number": "41",
        "name": "P0.6",
        "type": "bidirectional",
        "description": "Standard I/O port P0.6, also external bus address/data AD6 and Timer 4 external clock input T4."
      },
      {
        "number": "42",
        "name": "P0.7",
        "type": "bidirectional",
        "description": "Standard I/O port P0.7, also external bus address/data AD7 and Timer 4 clock output T4CLKO."
      },
      {
        "number": "43",
        "name": "P1.0",
        "type": "bidirectional",
        "description": "Standard I/O port P1.0, also RxD2 (UART2 receive)."
      },
      {
        "number": "44",
        "name": "P1.1",
        "type": "bidirectional",
        "description": "Standard I/O port P1.1, also TxD2 (UART2 transmit output)."
      }
    ],
    "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": null,
        "consensus": "skipped (clean text read)",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "1/44 pins cited to the wrong page (name found elsewhere): ['14:Vcc@p24']"
        ],
        "pages_sent": 181,
        "cost_usd": 0.0107,
        "at": "2026-10-27T19:51:56"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/73d58be2ee34ecb6692592c0f184ce32.pdf",
        "pages": 956,
        "sha256": "f8fa5bab02998432",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 44,
        "described": 44,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stc8c2k32s2-36i-lqfp44.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "81aae6270b5c742bed79a8a35e9adf7fbed97c42e341e6b25ab20c1783b93b5d",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stc8c2k32s2-36i-lqfp44-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8526aba2a35f1b8451f069d6ee6a9a73581acc862c2a5816a25640d25cba7865",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}