AD142A4

{
  "slug": "ad142a4",
  "version": "0.1.0",
  "type": "component",
  "description": "JieLi Tech Microcontroller Units (MCUs/MPUs/SOCs), SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "single chip microcomputer-microcontroller",
    "ad142a4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ad142a4.kicad_sym",
    "ad142a4.kicad_mod",
    "ad142a4.glb",
    "ad142a4.step",
    "ad142a4.lbr",
    "docs/hero.png",
    "docs/ad142a4-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ad142a4-hero.glb",
    "ad142a4-hero.overlay.json",
    "ad142a4-etched.glb"
  ],
  "component": {
    "mpn": "AD142A4",
    "manufacturer": "JieLi Tech",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2169c1bce64e6bc62aea6f6239c567be.pdf",
    "parts": {
      "symbol": "ad142a4.kicad_sym",
      "footprint": "ad142a4.kicad_mod",
      "model_3d": "ad142a4-hero.glb",
      "model_3d_plain": "ad142a4-etched.glb",
      "model_3d_step": "ad142a4-etched.step",
      "model_3d_step_plain": "ad142a4.step",
      "lbr": "ad142a4.lbr"
    },
    "distributor_links": {
      "lcsc": "C7434398"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:52:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O (drive 8 mA / 64 mA) with alternate functions SPI1 data in (C) and SD0 data (D)."
      },
      {
        "number": "2",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O (drive 8 mA / 64 mA) with alternate functions ADC input channel 7, SPI0/SPI1 data, SD0 command, UART0 RX, I2C_SDA and PWM channel 1 output."
      },
      {
        "number": "3",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O (drive 8 mA / 64 mA) with alternate functions ADC input channel 6, SPI0 data 2, SPI1 clock (C), SD0 clock, UART0 TX, I2C_SCL, Timer2 clock in and PWM channel 0 output."
      },
      {
        "number": "4",
        "name": "USBDM",
        "type": "bidirectional",
        "description": "USB negative data line (drive 10 mA, internal pull-down 15K), which can also be configured as a normal I/O pin; also ADC input channel 5."
      },
      {
        "number": "5",
        "name": "USBDP",
        "type": "bidirectional",
        "description": "USB positive data line (drive 10 mA, internal pull-down 15K), which can also be configured as a normal I/O pin; also ADC input channel 4."
      },
      {
        "number": "6",
        "name": "PA0/PA13",
        "type": "bidirectional",
        "description": "Shared pad: PA0 is a GPIO with default internal pull-up (10K) and long-press reset function, and PA13 is a GPIO (drive 8 mA / 64 mA) with ADC channel 10, AUX0, MIC_BIAS output and Timer0 capture alternates."
      },
      {
        "number": "7",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General-purpose I/O (drive 8 mA / 64 mA) that also serves as the MIC input channel."
      },
      {
        "number": "8",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "9",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General-purpose I/O (drive 8 mA / 64 mA) that also serves as the analog DAC audio output, ADC channel 13 input and low voltage detect input."
      },
      {
        "number": "10",
        "name": "VDDIO",
        "type": "power_in",
        "description": "GPIO power supply; VDDIO is specified at 2.0 V to 3.4 V (3.0 V typical) by the PMU output."
      },
      {
        "number": "11",
        "name": "VBAT",
        "type": "power_in",
        "description": "Battery power supply input, specified at 2.0 V to 5.5 V (3.7 V typical)."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "13",
        "name": "DACPO",
        "type": "output",
        "description": "Class-D amplifier positive output, part of the 0.5 W Class-D audio amplifier output."
      },
      {
        "number": "14",
        "name": "DACNO",
        "type": "output",
        "description": "Class-D amplifier negative output, part of the 0.5 W Class-D audio amplifier output."
      },
      {
        "number": "15",
        "name": "PA12",
        "type": "bidirectional",
        "description": "General-purpose I/O (drive 8 mA / 64 mA) with alternate functions SPI1 data out (B) and Motor Timer3 capture."
      },
      {
        "number": "16",
        "name": "PA9/PA11",
        "type": "bidirectional",
        "description": "Shared pad: PA11 is a GPIO (drive 8 mA / 64 mA) with ADC channel 9, SPI1 clock (B) and Motor Timer2 capture alternates, and PA9 is a high-voltage-resistant GPIO (drive 8 mA, internal pull-up 10K, pull-down 60K) with UART1 TX/RX (B), I2C_SDA (D), Timer1 capture and PWM channel 3 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": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives only one package, SOP16, so the pinout is taken from its Table 1-1 and Figure 1-"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0176,
        "at": "2026-10-27T01:52:01"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2169c1bce64e6bc62aea6f6239c567be.pdf",
        "pages": 9,
        "sha256": "f1fdbfee4d1d3a1f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ad142a4.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ad142a4-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2189cf41a6830b60265a51d4b973398b872c53e7a632f97b9c882d380e1bd641",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}