AC6925B4

{
  "slug": "ac6925b4",
  "version": "0.1.0",
  "type": "component",
  "description": "JieLi Tech Digital Signal Processors (DSP/DSC), QSOP-24. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "ac6925b4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ac6925b4.kicad_sym",
    "ac6925b4.kicad_mod",
    "ac6925b4.glb",
    "ac6925b4.step",
    "ac6925b4.lbr",
    "docs/hero.png",
    "docs/ac6925b4-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "AC6925B4",
    "manufacturer": "JieLi Tech",
    "package": "QSOP-24",
    "pin_count": 24,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Digital Signal Processors (DSP/DSC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590922458432155648",
    "parts": {
      "symbol": "ac6925b4.kicad_sym",
      "footprint": "ac6925b4.kicad_mod",
      "model_3d": "ac6925b4.glb",
      "model_3d_step": "ac6925b4.step",
      "lbr": "ac6925b4.lbr"
    },
    "distributor_links": {
      "lcsc": "C19946118"
    },
    "pins": [
      {
        "number": "1",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO with 24mA drive supporting SD1 Clock, SPI1 Data Out, UART2 RXD, and IIC SDA."
      },
      {
        "number": "2",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO with 24mA drive supporting SD1 Command, SPI1 Clock, UART2 TXD, and IIC SCL."
      },
      {
        "number": "3",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO with 24mA drive supporting SD1 Data0, SPI1 Data In, UART0 RXD, Timer3 Clock Input, and ADC10."
      },
      {
        "number": "4",
        "name": "USBDM",
        "type": "bidirectional",
        "description": "USB Negative data line with internal pull-down and 4mA drive; supports UART1 RXD, SPI2 Data Out, IIC SDA, and ADC11."
      },
      {
        "number": "5",
        "name": "USBDP",
        "type": "bidirectional",
        "description": "USB Positive data line with internal pull-down and 4mA drive; supports UART1 TXD, SPI2 Clock, and IIC SCL."
      },
      {
        "number": "6",
        "name": "PA0",
        "type": "bidirectional",
        "description": "GPIO with 24mA drive supporting PLNK Data0, MIC input, and UART0 RXD."
      },
      {
        "number": "7",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO with 24mA drive supporting AMUX1L, ADC0, UART2 TXD, and Touch10."
      },
      {
        "number": "8",
        "name": "DACL",
        "type": "output",
        "description": "DAC Left Channel output."
      },
      {
        "number": "9",
        "name": "DACVDD",
        "type": "power_in",
        "description": "DAC Power supply (positive)."
      },
      {
        "number": "10",
        "name": "VCOM",
        "type": "power_in",
        "description": "DAC Reference voltage."
      },
      {
        "number": "11",
        "name": "DACVSS",
        "type": "power_in",
        "description": "DAC Ground (negative power supply)."
      },
      {
        "number": "12",
        "name": "VDDIO",
        "type": "power_in",
        "description": "IO Power supply, 3.3V."
      },
      {
        "number": "13",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO with 8mA drive supporting UART0 TXD, AMUX0R, SPI1 Data Out, SD0 Clock, ADC9, and Touch5."
      },
      {
        "number": "14",
        "name": "PB4",
        "type": "bidirectional",
        "description": "GPIO with 8mA drive supporting Timer3 PWM Output, AMUX0L, SPI1 Clock, SD0 Command, ADC8, SPI0 Data2, and Touch4."
      },
      {
        "number": "15",
        "name": "PB3",
        "type": "bidirectional",
        "description": "GPIO with 8mA drive supporting Timer2 PWM Output, UART2 RXD, SPI1 Data In, SD0 Data0, AMUX2R, SPI0 Data3, and Touch3."
      },
      {
        "number": "16",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO with 8mA drive supporting Timer2 Clock Input, UART1 RXD, SPI2 Data Out, ADC7, and Touch1."
      },
      {
        "number": "17",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO with 8mA drive supporting UART1 TXD, SPI2 Clock, ADC6, and Touch0."
      },
      {
        "number": "18",
        "name": "VBAT",
        "type": "power_in",
        "description": "LDO Power supply input (2.2V to 5.5V)."
      },
      {
        "number": "19",
        "name": "BT_AVDD",
        "type": "power_in",
        "description": "Bluetooth Power supply, 1.3V."
      },
      {
        "number": "20",
        "name": "BT_RF",
        "type": "power_in",
        "description": "Bluetooth RF Power supply."
      },
      {
        "number": "21",
        "name": "FMIP",
        "type": "input",
        "description": "FM Tuner input."
      },
      {
        "number": "22",
        "name": "VSSIO",
        "type": "power_in",
        "description": "IO Ground (negative power supply)."
      },
      {
        "number": "23",
        "name": "BT_OSCI",
        "type": "input",
        "description": "Bluetooth Oscillator input."
      },
      {
        "number": "24",
        "name": "BT_OSCO",
        "type": "output",
        "description": "Bluetooth Oscillator output."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 6 shows dual nomenclature as PA0/PA4 in the package diagram and Table 1-1. PA0 and PA4 each have"
        ],
        "pages_sent": 12,
        "cost_usd": 0.2755,
        "at": "2026-09-17T18:57:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590922458432155648",
        "pages": 12,
        "sha256": "9bde95a81b3095bb",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ac6925b4.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.65,
          1.72
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d2244e3f2eff53b6985f22b8c8a44bb319a1973a6a440b2597d6d67813b09338",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ac6925b4-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.65,
          1.72
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e786ac706557491bb86e2ea37ec661cdb085eeeec1f6dd10bab4edded64ff669",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}