STC8H1K08-36I-TSSOP20

{
  "schema_version": 1,
  "type": "component",
  "slug": "stc8h1k08-36i-tssop20",
  "title": "STC8H1K08-36I-TSSOP20",
  "brief": "STC Micro 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",
    "stc8h1k08-36i-tssop20"
  ],
  "component": {
    "mpn": "STC8H1K08-36I-TSSOP20",
    "manufacturer": "STC Micro",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "MCU",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a8d48f5a5d6882ba282e36788e4bfb6e.pdf",
    "parts": {
      "symbol": "stc8h1k08-36i-tssop20.kicad_sym",
      "footprint": "stc8h1k08-36i-tssop20.kicad_mod",
      "model_3d": "stc8h1k08-36i-tssop20-etched.glb",
      "model_3d_plain": "stc8h1k08-36i-tssop20.glb",
      "model_3d_step": "stc8h1k08-36i-tssop20-etched.step",
      "model_3d_step_plain": "stc8h1k08-36i-tssop20.step",
      "lbr": "stc8h1k08-36i-tssop20.lbr"
    },
    "distributor_links": {
      "lcsc": "C915673"
    },
    "pins": [
      {
        "number": "1",
        "name": "P1.2/SS/T2/PWM2P",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.2. Muxed alternate functions: SPI slave-select (SS), Timer 2 external clock input (T2), advanced PWM2 capture input / positive pulse output (PWM2P)."
      },
      {
        "number": "2",
        "name": "P1.3/MOSI/T2CLKO/PWM2N",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.3. Alternate functions: SPI MOSI, Timer 2 clock divide output (T2CLKO), advanced PWM2 negative pulse output (PWM2N)."
      },
      {
        "number": "3",
        "name": "P1.4/MISO/SDA/PWM3P",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.4. Alternate functions: SPI MISO, I2C data line (SDA), advanced PWM3 capture input / positive pulse output (PWM3P)."
      },
      {
        "number": "4",
        "name": "P1.5/SCLK/SCL/PWM3N",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.5. Alternate functions: SPI clock (SCLK), I2C clock line (SCL), advanced PWM3 negative pulse output (PWM3N)."
      },
      {
        "number": "5",
        "name": "P1.6/RxD_3/PWM4P/MCLKO_2/XTALO",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.6. Alternate functions: UART1 receive (RxD_3 alternate mapping), advanced PWM4 capture/positive pulse output (PWM4P), master clock divide output (MCLKO_2), external crystal output (XTALO)."
      },
      {
        "number": "6",
        "name": "P1.7/TxD_3/PWM4N/PWM5_2/XTALI",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.7. Alternate functions: UART1 transmit (TxD_3 alternate mapping), PWM4 negative pulse output (PWM4N), PWM5 alternate mapping (PWM5_2), external crystal/clock input (XTALI)."
      },
      {
        "number": "7",
        "name": "P5.4/nRST/MCLKO/PWM6_2",
        "type": "bidirectional",
        "description": "General-purpose I/O P5.4 doubling as active-low reset input (nRST). Also usable as master clock divide output (MCLKO) or PWM6 alternate mapping (PWM6_2). Factory default is I/O mode; enable nRST via ISP."
      },
      {
        "number": "8",
        "name": "VCC/AVCC",
        "type": "power_in",
        "description": "Main supply and analog supply, tied internally. Operating range 1.9-5.5 V. Bypass with 10 µF bulk plus 0.1 µF decoupling to GND near the pin."
      },
      {
        "number": "9",
        "name": "ADC_VRef+",
        "type": "input",
        "description": "ADC positive reference input. Must be driven from an external reference (2.4 V to VCC); may be tied directly to VCC when high accuracy is not required. Floating causes leakage current."
      },
      {
        "number": "10",
        "name": "GND/AGND",
        "type": "power_in",
        "description": "Ground return for both the digital core and the analog / ADC block, tied internally."
      },
      {
        "number": "11",
        "name": "P3.0/ADC8/RxD/INT4",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.0. Alternate functions: ADC channel 8, UART1 receive (RxD, default mapping), external interrupt 4 (INT4). Powers up as weak pull-up (quasi-bidirectional)."
      },
      {
        "number": "12",
        "name": "P3.1/ADC9/TxD",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.1. Alternate functions: ADC channel 9, UART1 transmit (TxD, default mapping). Powers up as weak pull-up (quasi-bidirectional)."
      },
      {
        "number": "13",
        "name": "P3.2/ADC10/INT0/SCLK_4/SCL_4/PWMETI/PWMETI2",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.2. Alternate functions: ADC channel 10, external interrupt 0 (INT0), SPI clock alternate mapping 4 (SCLK_4), I2C clock alternate mapping 4 (SCL_4), advanced PWM external trigger inputs (PWMETI, PWMETI2)."
      },
      {
        "number": "14",
        "name": "P3.3/ADC11/INT1/MISO_4/SDA_4/PWM4N_4/PWM7_2",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.3. Alternate functions: ADC channel 11, external interrupt 1 (INT1), SPI MISO alternate mapping 4, I2C SDA alternate mapping 4, PWM4 negative output alternate mapping, PWM7 alternate mapping."
      },
      {
        "number": "15",
        "name": "P3.4/ADC12/T0/T1CLKO/MOSI_4/PWM4P_4/PWM8_2/CMPO",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.4. Alternate functions: ADC channel 12, Timer 0 external clock input (T0), Timer 1 clock divide output (T1CLKO), SPI MOSI alt-map 4, PWM4/PWM8 alt-map outputs, analog comparator output (CMPO)."
      },
      {
        "number": "16",
        "name": "P3.5/ADC13/T1/T0CLKO/SS_4/PWMFLT/PWMFLT2",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.5. Alternate functions: ADC channel 13, Timer 1 external clock input (T1), Timer 0 clock divide output (T0CLKO), SPI slave select alt-map 4 (SS_4), PWMA/PWMB external fault detect inputs (PWMFLT, PWMFLT2)."
      },
      {
        "number": "17",
        "name": "P3.6/ADC14/INT2/RxD_2/CMP-",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.6. Alternate functions: ADC channel 14, external interrupt 2 (INT2), UART1 receive alt-map 2 (RxD_2), analog comparator negative input (CMP-)."
      },
      {
        "number": "18",
        "name": "P3.7/INT3/TxD_2/CMP+",
        "type": "bidirectional",
        "description": "General-purpose I/O P3.7. Alternate functions: external interrupt 3 (INT3), UART1 transmit alt-map 2 (TxD_2), analog comparator positive input (CMP+)."
      },
      {
        "number": "19",
        "name": "P1.0/ADC0/RxD2/PWM1P",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.0. Alternate functions: ADC channel 0, UART2 receive (RxD2), advanced PWM1 capture/positive pulse output (PWM1P)."
      },
      {
        "number": "20",
        "name": "P1.1/ADC1/TxD2/PWM1N",
        "type": "bidirectional",
        "description": "General-purpose I/O P1.1. Alternate functions: ADC channel 1, UART2 transmit (TxD2), advanced PWM1 negative pulse output (PWM1N)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a8d48f5a5d6882ba282e36788e4bfb6e.pdf",
        "pages": 2180,
        "sha256": "046aea020e4685f3",
        "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"
    },
    "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": "stc8h1k08-36i-tssop20.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": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stc8h1k08-36i-tssop20-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": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8a2d804985a9baf3fbd1102f68b72d7557d87da877c2231158583156ca88f231",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STC Micro",
      "Package": "TSSOP-20",
      "Category": "MCU",
      "Pins": "20"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stc8h1k08-36i-tssop20"
  ],
  "discovery_pitch": "STC8H1K08-36I-TSSOP20 (STC Micro) 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",
    "stc8h1k08-36i-tssop20.kicad_sym",
    "stc8h1k08-36i-tssop20.kicad_mod",
    "stc8h1k08-36i-tssop20.glb",
    "stc8h1k08-36i-tssop20.step",
    "stc8h1k08-36i-tssop20.lbr",
    "docs/hero.png",
    "docs/stc8h1k08-36i-tssop20-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pads.json",
    "stc8h1k08-36i-tssop20-etched.step"
  ],
  "visibility": "public",
  "description": "STC Micro Microcontrollers (MCU/MPU/SOC), TSSOP-20. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "variants": [
    {
      "mpn": "STC8H1K08-36I-TSSOP20",
      "kind": "packaging"
    },
    {
      "mpn": "STC8H1K08-36I-QFN20",
      "kind": "unknown"
    },
    {
      "mpn": "STC8H1K08-36I-SOP20",
      "kind": "unknown"
    },
    {
      "mpn": "STC8H1K08-36I-SOP16",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-25T08:30:14.300Z"
}