N79E815AS28

{
  "slug": "n79e815as28",
  "version": "0.1.0",
  "type": "component",
  "description": "Nuvoton Tech Microcontrollers (MCU/MPU/SOC), SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "n79e815as28",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
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    "README.md",
    "n79e815as28.kicad_sym",
    "n79e815as28.kicad_mod",
    "n79e815as28.glb",
    "n79e815as28.step",
    "n79e815as28.lbr",
    "docs/hero.png",
    "docs/n79e815as28-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "n79e815as28-hero.glb",
    "n79e815as28-hero.overlay.json",
    "n79e815as28-etched.glb"
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  "component": {
    "mpn": "N79E815AS28",
    "manufacturer": "Nuvoton Tech",
    "package": "SOIC-28-300mil",
    "pin_count": 28,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882465691328512",
    "parts": {
      "symbol": "n79e815as28.kicad_sym",
      "footprint": "n79e815as28.kicad_mod",
      "model_3d": "n79e815as28-hero.glb",
      "model_3d_plain": "n79e815as28-etched.glb",
      "model_3d_step": "n79e815as28-etched.step",
      "model_3d_step_plain": "n79e815as28.step",
      "lbr": "n79e815as28.lbr"
    },
    "distributor_links": {
      "lcsc": "C86296"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T20:12:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P2.0",
        "type": "bidirectional",
        "description": "Port 2.0 quasi-bidirectional I/O; alternate function IC2 (Timer 2 input-capture pin 2), which has its own Schmitt-trigger input."
      },
      {
        "number": "2",
        "name": "P2.1",
        "type": "bidirectional",
        "description": "Port 2.1 general-purpose quasi-bidirectional I/O (no alternate function listed for this pin)."
      },
      {
        "number": "3",
        "name": "P0.0",
        "type": "bidirectional",
        "description": "Port 0.0 quasi-bidirectional I/O; alternate functions PWM3 output, KB0 keyboard interrupt input and SPICLK (SPI-1 clock, selected by AUXR1.7 = 0)."
      },
      {
        "number": "4",
        "name": "P1.7",
        "type": "bidirectional",
        "description": "Port 1.7 quasi-bidirectional I/O; alternate functions PWM2 output, MOSI (SPI-1) and ICPCLK (in-circuit programming clock)."
      },
      {
        "number": "5",
        "name": "P1.6",
        "type": "bidirectional",
        "description": "Port 1.6 quasi-bidirectional I/O; alternate functions PWM1 output, MISO (SPI-1) and ICPDAT (in-circuit programming data)."
      },
      {
        "number": "6",
        "name": "RST",
        "type": "input",
        "description": "Active-low Schmitt-trigger reset input with an internal pull-up of about 200 kΩ; the pin must not float and the datasheet recommends a 100 Ω series resistor and 10 µF capacitor to ground."
      },
      {
        "number": "7",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the device (0 V)."
      },
      {
        "number": "8",
        "name": "P3.1",
        "type": "bidirectional",
        "description": "Port 3.1 I/O; alternate function XTAL1, the crystal/oscillator input (its digital I/O function is unavailable when an external crystal is used)."
      },
      {
        "number": "9",
        "name": "P3.0",
        "type": "bidirectional",
        "description": "Port 3.0 I/O; alternate functions XTAL2 (crystal/oscillator output) and CLKOUT (internal RC OSC/4 clock output enabled by ENCLK)."
      },
      {
        "number": "10",
        "name": "P1.4",
        "type": "bidirectional",
        "description": "Port 1.4 I/O with Schmitt-trigger option; alternate functions /INT1 external interrupt 1, STADC (ADC start trigger), and /SS (SPI-1 slave select)."
      },
      {
        "number": "11",
        "name": "P1.3",
        "type": "bidirectional",
        "description": "Port 1.3 open-drain only (I2C SDA); alternate function /INT0 external interrupt 0; an external pull-up is required when used as output."
      },
      {
        "number": "12",
        "name": "P1.2",
        "type": "bidirectional",
        "description": "Port 1.2 open-drain only (I2C SCL); alternate functions T0 timer 0 external input, IC0 input-capture pin 0 and T0OE output toggle."
      },
      {
        "number": "13",
        "name": "P2.2",
        "type": "bidirectional",
        "description": "Port 2.2 I/O; alternate function MOSI2, SPI-2 master-out/slave-in (selected by AUXR1.7 = 1)."
      },
      {
        "number": "14",
        "name": "P2.3",
        "type": "bidirectional",
        "description": "Port 2.3 I/O; alternate function MISO2, SPI-2 master-in/slave-out (selected by AUXR1.7 = 1)."
      },
      {
        "number": "15",
        "name": "P2.4",
        "type": "bidirectional",
        "description": "Port 2.4 I/O; alternate function /SS2, SPI-2 slave select (selected by AUXR1.7 = 1)."
      },
      {
        "number": "16",
        "name": "P2.5",
        "type": "bidirectional",
        "description": "Port 2.5 I/O; alternate function SPICLK2, SPI-2 clock (selected by AUXR1.7 = 1)."
      },
      {
        "number": "17",
        "name": "P1.1",
        "type": "bidirectional",
        "description": "Port 1.1 I/O; alternate function RXD, the UART receive pin (default UART pin selection; AUXR1.6 = 0)."
      },
      {
        "number": "18",
        "name": "P1.0",
        "type": "bidirectional",
        "description": "Port 1.0 I/O; alternate function TXD, the UART transmit pin (default UART pin selection; AUXR1.6 = 0)."
      },
      {
        "number": "19",
        "name": "P0.7",
        "type": "bidirectional",
        "description": "Port 0.7 I/O; alternate functions T1 timer 1 external input, ADC6 analog input, KB7 keyboard interrupt input and IC1 input-capture pin 1."
      },
      {
        "number": "20",
        "name": "P0.6",
        "type": "bidirectional",
        "description": "Port 0.6 I/O; alternate functions ADC5 analog input and KB6 keyboard interrupt input."
      },
      {
        "number": "21",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply input; VDD 2.4 V to 5.5 V (3.0 V to 5.5 V for 4-24 MHz external crystal), absolute maximum −0.3 V to +6.5 V to VSS."
      },
      {
        "number": "22",
        "name": "P0.5",
        "type": "bidirectional",
        "description": "Port 0.5 I/O; alternate functions ADC4 analog input and KB5 keyboard interrupt input."
      },
      {
        "number": "23",
        "name": "P0.4",
        "type": "bidirectional",
        "description": "Port 0.4 I/O; alternate functions ADC3 analog input and KB4 keyboard interrupt input."
      },
      {
        "number": "24",
        "name": "P0.3",
        "type": "bidirectional",
        "description": "Port 0.3 I/O; alternate functions ADC2 analog input and KB3 keyboard interrupt input."
      },
      {
        "number": "25",
        "name": "P0.2",
        "type": "bidirectional",
        "description": "Port 0.2 I/O; alternate functions ADC1 analog input, BRAKE PWM clamp/fault input and KB2 keyboard interrupt input."
      },
      {
        "number": "26",
        "name": "P0.1",
        "type": "bidirectional",
        "description": "Port 0.1 I/O; alternate functions PWM0 output, ADC0 analog input and KB1 keyboard interrupt input."
      },
      {
        "number": "27",
        "name": "P2.6",
        "type": "bidirectional",
        "description": "Port 2.6 I/O; alternate functions TXD2 (UART2 transmit, selected by AUXR1.6 = 1) and ADC7 analog input; set AUXR1.3 (DisP26) to disable its digital function when used only as ADC7."
      },
      {
        "number": "28",
        "name": "P2.7",
        "type": "bidirectional",
        "description": "Port 2.7 I/O; alternate function RXD2, the UART2 receive pin (selected by AUXR1.6 = 1)."
      }
    ],
    "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 pin-map figure text (Figures 5-1/5-2) is garbled in the extracted text, so the SOP-28 pin number; The datasheet's SOP28 and TSSOP28 pin figures and Table 5-1 share the same 28-pin numbering, so the ; Pin 1 orientation (dot/notch location) is not stated in the extracted text; pin 1 = P2.0 is taken fr"
        ],
        "pages_sent": 99,
        "cost_usd": 0.3418,
        "at": "2026-10-17T20:10:08"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588882465691328512",
        "pages": 179,
        "sha256": "d6a503318845ce88",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          17.9,
          2.75
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b889a13dbe9ec59e79fa9f1b5118b00bfa54f9582392335ff3365b64afc264b1",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "role": "eda",
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        "zmin_mm": -0.0,
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        "footprint_binding": "identity",
        "sha256": "ea451cc6b9454e2c06b7784ca128c84911ab47f9c011f63b383d08ff06dd067d",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}