N79E815AT20

{
  "slug": "n79e815at20",
  "version": "0.1.0",
  "type": "component",
  "description": "Nuvoton Tech Microcontroller Units (MCUs/MPUs/SOCs), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "n79e815at20",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "n79e815at20.kicad_sym",
    "n79e815at20.kicad_mod",
    "n79e815at20.glb",
    "n79e815at20.step",
    "n79e815at20.lbr",
    "docs/hero.png",
    "docs/n79e815at20-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "n79e815at20-hero.glb",
    "n79e815at20-hero.overlay.json",
    "n79e815at20-etched.glb"
  ],
  "component": {
    "mpn": "N79E815AT20",
    "manufacturer": "Nuvoton Tech",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0ba3d4da41da3218a1dbd31a6bb40ab1.pdf",
    "parts": {
      "symbol": "n79e815at20.kicad_sym",
      "footprint": "n79e815at20.kicad_mod",
      "model_3d": "n79e815at20-hero.glb",
      "model_3d_plain": "n79e815at20-etched.glb",
      "model_3d_step": "n79e815at20-etched.step",
      "model_3d_step_plain": "n79e815at20.step",
      "lbr": "n79e815at20.lbr"
    },
    "distributor_links": {
      "lcsc": "C124045"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T18:56:05Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P0.0",
        "type": "bidirectional",
        "description": "Port 0 bit 0 I/O with alternate functions PWM3 output, KB0 keyboard input and SPICLK (SPI-1 clock)."
      },
      {
        "number": "2",
        "name": "P1.7",
        "type": "bidirectional",
        "description": "Port 1 bit 7 I/O with alternate functions PWM2 output, ICPCLK (ICP clock) and MOSI (SPI-1); 38 mA LED drive capability."
      },
      {
        "number": "3",
        "name": "P1.6",
        "type": "bidirectional",
        "description": "Port 1 bit 6 I/O with alternate functions PWM1 output, ICPDAT (ICP data) and MISO (SPI-1); 38 mA LED drive capability."
      },
      {
        "number": "4",
        "name": "/RST",
        "type": "input",
        "description": "Active-low Schmitt-trigger reset input with about 200 kohm internal pull-up; must not float, datasheet requires a 100 ohm resistor and 10 uF capacitor to ground."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "6",
        "name": "P3.1",
        "type": "bidirectional",
        "description": "Port 3 bit 1 I/O, alternate function XTAL1 external crystal/clock input."
      },
      {
        "number": "7",
        "name": "P3.0",
        "type": "bidirectional",
        "description": "Port 3 bit 0 I/O, alternate functions XTAL2 (crystal amplifier output) and CLKOUT (internal RC oscillator/4 output)."
      },
      {
        "number": "8",
        "name": "P1.4",
        "type": "bidirectional",
        "description": "Port 1 bit 4 I/O with alternate functions /INT1 external interrupt, STADC ADC start trigger and /SS (SPI-1 slave select); 38 mA LED drive capability."
      },
      {
        "number": "9",
        "name": "P1.3",
        "type": "bidirectional",
        "description": "Port 1 bit 3, always open-drain, with alternate functions /INT0 external interrupt and SDA (I2C data)."
      },
      {
        "number": "10",
        "name": "P1.2",
        "type": "bidirectional",
        "description": "Port 1 bit 2, always open-drain, with alternate functions T0 timer 0 external input, SCL (I2C clock) and IC0 capture input."
      },
      {
        "number": "11",
        "name": "P1.1",
        "type": "bidirectional",
        "description": "Port 1 bit 1 I/O with alternate function RXD (UART receive); 38 mA LED drive capability."
      },
      {
        "number": "12",
        "name": "P1.0",
        "type": "bidirectional",
        "description": "Port 1 bit 0 I/O with alternate function TXD (UART transmit); 38 mA LED drive capability."
      },
      {
        "number": "13",
        "name": "P0.7",
        "type": "bidirectional",
        "description": "Port 0 bit 7 I/O with alternate functions T1 timer 1 external input, ADC6 analog input, KB7 keyboard input and IC1 capture input."
      },
      {
        "number": "14",
        "name": "P0.6",
        "type": "bidirectional",
        "description": "Port 0 bit 6 I/O with alternate functions ADC5 analog input and KB6 keyboard input."
      },
      {
        "number": "15",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage input; operating range 2.4 V to 5.5 V depending on clock source and frequency."
      },
      {
        "number": "16",
        "name": "P0.5",
        "type": "bidirectional",
        "description": "Port 0 bit 5 I/O with alternate functions ADC4 analog input and KB5 keyboard input."
      },
      {
        "number": "17",
        "name": "P0.4",
        "type": "bidirectional",
        "description": "Port 0 bit 4 I/O with alternate functions ADC3 analog input and KB4 keyboard input."
      },
      {
        "number": "18",
        "name": "P0.3",
        "type": "bidirectional",
        "description": "Port 0 bit 3 I/O with alternate functions ADC2 analog input and KB3 keyboard input."
      },
      {
        "number": "19",
        "name": "P0.2",
        "type": "bidirectional",
        "description": "Port 0 bit 2 I/O with alternate functions BRAKE (PWM brake input), ADC1 analog input and KB2 keyboard input."
      },
      {
        "number": "20",
        "name": "P0.1",
        "type": "bidirectional",
        "description": "Port 0 bit 1 I/O with alternate functions PWM0 output, ADC0 analog input and KB1 keyboard input."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Table 5-1 lists SOP20 and TSSOP20 in one shared column, so the numbers apply to both packages. The p; The text gives no pin type for the crystal pins P3.0 and P3.1, so they are listed as bidirectional I"
        ],
        "pages_sent": 99,
        "cost_usd": 0.6379,
        "at": "2026-10-26T18:55:51"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/0ba3d4da41da3218a1dbd31a6bb40ab1.pdf",
        "pages": 179,
        "sha256": "d6a503318845ce88",
        "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"
    },
    "models_3d": [
      {
        "file": "n79e815at20.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": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "n79e815at20-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": "b35c7bb8a01a69c677c421e24762ba8b451f3f1b8eb1b9b0cf9464fac10094a2",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}