HC89F303C-SOP28-T

{
  "schema_version": 1,
  "type": "component",
  "slug": "hc89f303c-sop28-t",
  "title": "HC89F303C-SOP28-T",
  "brief": "holychip(芯圣电子) Microcontrollers (MCU/MPU/SOC), SOP-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "hc89f303c-sop28-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HC89F303C-SOP28-T",
    "manufacturer": "holychip(芯圣电子)",
    "package": "SOP-28",
    "pin_count": 28,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838664525385728",
    "parts": {
      "symbol": "hc89f303c-sop28-t.kicad_sym",
      "footprint": "hc89f303c-sop28-t.kicad_mod",
      "model_3d": "hc89f303c-sop28-t-hero.glb",
      "model_3d_plain": "hc89f303c-sop28-t-etched.glb",
      "model_3d_step": "hc89f303c-sop28-t-etched.step",
      "model_3d_step_plain": "hc89f303c-sop28-t.step",
      "lbr": "hc89f303c-sop28-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C5357924"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T01:43:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P1.7/TK15",
        "type": "bidirectional",
        "description": "General-purpose I/O port P1.7 that can also serve as capacitive touch channel 15; port mode (input, Schmitt, pull-up/pull-down, open-drain, output) and drive strength are software-configurable."
      },
      {
        "number": "2",
        "name": "P1.6/TK14",
        "type": "bidirectional",
        "description": "General-purpose I/O port P1.6 that can also serve as capacitive touch channel 14; port mode and drive strength are software-configurable."
      },
      {
        "number": "3",
        "name": "P1.5/TK13",
        "type": "bidirectional",
        "description": "General-purpose I/O port P1.5 that can also serve as capacitive touch channel 13; port mode and drive strength are software-configurable."
      },
      {
        "number": "4",
        "name": "P1.4/TK12",
        "type": "bidirectional",
        "description": "General-purpose I/O port P1.4 that can also serve as capacitive touch channel 12; port mode and drive strength are software-configurable."
      },
      {
        "number": "5",
        "name": "P1.3/TK11",
        "type": "bidirectional",
        "description": "General-purpose I/O port P1.3 that can also serve as capacitive touch channel 11; port mode and drive strength are software-configurable."
      },
      {
        "number": "6",
        "name": "P1.2/TK10",
        "type": "bidirectional",
        "description": "General-purpose I/O port P1.2 that can also serve as capacitive touch channel 10; port mode and drive strength are software-configurable."
      },
      {
        "number": "7",
        "name": "P1.1/TK9",
        "type": "bidirectional",
        "description": "General-purpose I/O port P1.1 that can also serve as capacitive touch channel 9; port mode and drive strength are software-configurable."
      },
      {
        "number": "8",
        "name": "P1.0/TK8",
        "type": "bidirectional",
        "description": "General-purpose I/O port P1.0 that can also serve as capacitive touch channel 8; port mode and drive strength are software-configurable."
      },
      {
        "number": "9",
        "name": "P0.7/AN7/TK7/Vref",
        "type": "bidirectional",
        "description": "General-purpose I/O port P0.7 that can also serve as ADC input AN7, touch channel 7, or the ADC reference voltage input/output Vref; when VREFS=1 it is used only as the external ADC reference input and must be set to analog input."
      },
      {
        "number": "10",
        "name": "P0.6/AN6/TK6",
        "type": "bidirectional",
        "description": "General-purpose I/O port P0.6 that can also serve as ADC input AN6 or touch channel 6."
      },
      {
        "number": "11",
        "name": "P0.5/AN5/TK5",
        "type": "bidirectional",
        "description": "General-purpose I/O port P0.5 that can also serve as ADC input AN5 or touch channel 5."
      },
      {
        "number": "12",
        "name": "P0.4/AN4/TK4",
        "type": "bidirectional",
        "description": "General-purpose I/O port P0.4 that can also serve as ADC input AN4 or touch channel 4."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground (GND) reference for the device."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input; the datasheet specifies a VDD operating range of 2.0 V to 5.5 V and recommends a capacitor of at least 0.1 µF between VDD and GND."
      },
      {
        "number": "15",
        "name": "P0.3/AN3/TK3",
        "type": "bidirectional",
        "description": "General-purpose I/O port P0.3 that can also serve as ADC input AN3 or touch channel 3."
      },
      {
        "number": "16",
        "name": "P0.2/AN2/TK2",
        "type": "bidirectional",
        "description": "General-purpose I/O port P0.2 that can also serve as ADC input AN2 or touch channel 2."
      },
      {
        "number": "17",
        "name": "P0.1/AN1/TK1/INT1",
        "type": "bidirectional",
        "description": "General-purpose I/O port P0.1 that can also serve as ADC input AN1, touch channel 1, or external interrupt 1 input INT1."
      },
      {
        "number": "18",
        "name": "P0.0/AN0/TK0/INT0/FLT0",
        "type": "bidirectional",
        "description": "General-purpose I/O port P0.0 that can also serve as ADC input AN0, touch channel 0, external interrupt 0 input INT0, or PWM0 fault-detection input FLT0."
      },
      {
        "number": "19",
        "name": "P2.7/AN15/TK20",
        "type": "bidirectional",
        "description": "General-purpose I/O port P2.7 that can also serve as ADC input AN15 or touch channel 20."
      },
      {
        "number": "20",
        "name": "P2.6/AN14/TK19",
        "type": "bidirectional",
        "description": "General-purpose I/O port P2.6 that can also serve as ADC input AN14 or touch channel 19."
      },
      {
        "number": "21",
        "name": "P2.5/AN13/TK18",
        "type": "bidirectional",
        "description": "General-purpose I/O port P2.5 that can also serve as ADC input AN13 or touch channel 18."
      },
      {
        "number": "22",
        "name": "P2.4/AN12/RST",
        "type": "bidirectional",
        "description": "General-purpose I/O port P2.4 that can also serve as ADC input AN12; when enabled as the external reset pin (option ERST_ENB=0, default) it is an input that resets the MCU when pulled low, and it then cannot be used as ordinary I/O."
      },
      {
        "number": "23",
        "name": "P3.5/INT17/XIN/FC",
        "type": "bidirectional",
        "description": "General-purpose I/O port P3.5 (high-current capable, 70 mA drive per the datasheet) that can also serve as external interrupt 17 input INT17, 32.768 kHz crystal input XIN, or the CTK VDD filter pin FC."
      },
      {
        "number": "24",
        "name": "P3.4/INT16/XOUT",
        "type": "bidirectional",
        "description": "General-purpose I/O port P3.4 (high-current capable, 70 mA drive per the datasheet) that can also serve as external interrupt 16 input INT16 or 32.768 kHz crystal output XOUT."
      },
      {
        "number": "25",
        "name": "P2.3/AN11/TK17",
        "type": "bidirectional",
        "description": "General-purpose I/O port P2.3 that can also serve as ADC input AN11 or touch channel 17."
      },
      {
        "number": "26",
        "name": "P2.2/AN10/SCK",
        "type": "bidirectional",
        "description": "General-purpose I/O port P2.2 that can also serve as ADC input AN10 or the two-wire mode clock input SCK."
      },
      {
        "number": "27",
        "name": "P2.1/AN9/TK16",
        "type": "bidirectional",
        "description": "General-purpose I/O port P2.1 that can also serve as ADC input AN9 or touch channel 16."
      },
      {
        "number": "28",
        "name": "P2.0/AN8/SDA",
        "type": "bidirectional",
        "description": "General-purpose I/O port P2.0 that can also serve as ADC input AN8 or the two-wire mode data line SDA."
      }
    ],
    "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 MPN suffix '-T' and the SOP28 package variant are not defined in the provided pages (ordering in; Pin 22 (P2.4/AN12/RST) has a configuration-dependent function: it is the external RST input by defau; Many pins are multi-function (port, ADC, touch, interrupt, crystal, and two-wire pins). Per the data"
        ],
        "pages_sent": 78,
        "cost_usd": 0.2495,
        "at": "2026-10-18T01:42:11"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589838664525385728",
        "pages": 140,
        "sha256": "74fce85dd6e1fd88",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "hc89f303c-sop28-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          11.636,
          18.16,
          2.666
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ecc34510e8f74b6103a72c2f24133ad80006c738972a56531d1221b277fcecdb",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hc89f303c-sop28-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          11.636,
          18.16,
          2.666
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d4b351dd062918a7dd0bbd9a9742d99ec31e8a1e90b17ed6fde3cd49a03d79c3",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "holychip(芯圣电子)",
      "Package": "SOP-28",
      "Category": "Embedded Processors & Controllers",
      "Pins": "28"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "74fce85dd6e1fd88607c4125e9ec9e98ce722c33ac1019d6e5d41d09d6504f2a",
      "rows": [
        {
          "name": "DC supply voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 131,
          "source": "datasheet"
        },
        {
          "name": "Input/output voltage",
          "symbol": "VI/VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Min printed as GND-0.3 (GND=0V); max printed as VDD+0.3 (supply-relative, no fixed number)",
          "source_page": 131,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature",
          "symbol": "TOTG",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 131,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 131,
          "source": "datasheet"
        },
        {
          "name": "Maximum current through VDD",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "at 5.0 V, 25 °C (note 1)",
          "source_page": 131,
          "source": "datasheet"
        },
        {
          "name": "Maximum current through GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "at 5.0 V, 25 °C (note 2)",
          "source_page": 131,
          "source": "datasheet"
        },
        {
          "name": "Operating voltage (ADC and CTK off)",
          "symbol": "VDD1",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": 5,
          "max": 5.5,
          "conditions": "FCPU=16MHz or 44KHz, ADC and CTK modules off",
          "source_page": 131,
          "source": "datasheet"
        },
        {
          "name": "Operating voltage (ADC enabled)",
          "symbol": "VDD2",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": 5,
          "max": 5.5,
          "conditions": "FCPU=16MHz or 44KHz, ADC enabled (VREF=2V), CTK off",
          "source_page": 131,
          "source": "datasheet"
        },
        {
          "name": "Operating voltage (CTK enabled)",
          "symbol": "VDD3",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
          "typ": 5,
          "max": 5.5,
          "conditions": "FCPU=16MHz or 44KHz, ADC off, CTK enabled",
          "source_page": 131,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 4000,
          "typ": null,
          "max": null,
          "conditions": "CLASS 3A (HBM)",
          "source_page": 137,
          "source": "datasheet"
        },
        {
          "name": "ESD MM",
          "symbol": "",
          "kind": "electrical",
          "unit": "V",
          "min": 200,
          "typ": null,
          "max": null,
          "conditions": "CLASS 2 (MM)",
          "source_page": 137,
          "source": "datasheet"
        },
        {
          "name": "Latch-up",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": 200,
          "typ": null,
          "max": null,
          "conditions": "CLASS I",
          "source_page": 137,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "hc89f303c-sop28-t"
  ],
  "discovery_pitch": "HC89F303C-SOP28-T (holychip(芯圣电子)) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hc89f303c-sop28-t.kicad_sym",
    "hc89f303c-sop28-t.kicad_mod",
    "hc89f303c-sop28-t.glb",
    "hc89f303c-sop28-t.step",
    "hc89f303c-sop28-t.lbr",
    "docs/hero.png",
    "docs/hc89f303c-sop28-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hc89f303c-sop28-t-hero.glb",
    "hc89f303c-sop28-t-hero.overlay.json",
    "hc89f303c-sop28-t-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}