ATTINY817-MNR

{
  "slug": "attiny817-mnr",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), QFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "single chip microcomputer-microcontroller",
    "attiny817-mnr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "attiny817-mnr.kicad_sym",
    "attiny817-mnr.kicad_mod",
    "attiny817-mnr.glb",
    "attiny817-mnr.step",
    "attiny817-mnr.lbr",
    "docs/hero.png",
    "docs/attiny817-mnr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "attiny817-mnr-hero.glb",
    "attiny817-mnr-hero.overlay.json",
    "attiny817-mnr-etched.glb"
  ],
  "component": {
    "mpn": "ATTINY817-MNR",
    "manufacturer": "Microchip Tech",
    "package": "QFN-24(4x4)",
    "pin_count": 25,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e4808216a0499d6169ddc3f7d1962c0e.pdf",
    "parts": {
      "symbol": "attiny817-mnr.kicad_sym",
      "footprint": "attiny817-mnr.kicad_mod",
      "model_3d": "attiny817-mnr-hero.glb",
      "model_3d_plain": "attiny817-mnr-etched.glb",
      "model_3d_step": "attiny817-mnr-etched.step",
      "model_3d_step_plain": "attiny817-mnr.step",
      "lbr": "attiny817-mnr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2980238",
      "digikey": "ATTINY817-MNRTR-ND",
      "mouser": "579-ATTINY817-MNR"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:34:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATTINY817-MNRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "579-ATTINY817-MNR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA2",
        "type": "bidirectional",
        "description": "PORTA pin 2 general-purpose I/O with EVOUT0, AIN2 (ADC0), LUT0-IN2, SPI0 MISO, and alternate RxD/SCL positions."
      },
      {
        "number": "2",
        "name": "PA3",
        "type": "bidirectional",
        "description": "PORTA pin 3 general-purpose I/O that also serves as EXTCLK external clock input, AIN3 (ADC0), SPI0 SCK, TCA0 WO3, and alternate XCK."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; the datasheet also recommends soldering the large center pad to ground for mechanical stability."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply pin; operating supply voltage is 1.8 V to 5.5 V."
      },
      {
        "number": "5",
        "name": "PA4",
        "type": "bidirectional",
        "description": "PORTA pin 4 general-purpose I/O with AIN4 (ADC0), PTC X0/Y0, SPI0 SS, TCA0 WO4, TCD0 WOA, LUT0-OUT, and alternate XDIR."
      },
      {
        "number": "6",
        "name": "PA5",
        "type": "bidirectional",
        "description": "PORTA pin 5 general-purpose I/O with AIN5 (ADC0), PTC X1/Y1, AC0 OUT, TCA0 WO5, TCB0 WO, and TCD0 WOB."
      },
      {
        "number": "7",
        "name": "PA6",
        "type": "bidirectional",
        "description": "PORTA pin 6 general-purpose I/O with AIN6 (ADC0), PTC X2/Y2, AC0 AINN0, and DAC0 OUT."
      },
      {
        "number": "8",
        "name": "PA7",
        "type": "bidirectional",
        "description": "PORTA pin 7 general-purpose I/O with AIN7 (ADC0), PTC X3/Y3, AC0 AINP0, and LUT1-OUT."
      },
      {
        "number": "9",
        "name": "PB7",
        "type": "bidirectional",
        "description": "PORTB pin 7 general-purpose I/O; no alternate function is listed for it in the multiplexing table."
      },
      {
        "number": "10",
        "name": "PB6",
        "type": "bidirectional",
        "description": "PORTB pin 6 general-purpose I/O; no alternate function is listed for it in the multiplexing table."
      },
      {
        "number": "11",
        "name": "PB5",
        "type": "bidirectional",
        "description": "PORTB pin 5 general-purpose I/O with CLKOUT, AIN8 (ADC0), AC0 AINP1, and alternate TCA0 WO2."
      },
      {
        "number": "12",
        "name": "PB4",
        "type": "bidirectional",
        "description": "PORTB pin 4 general-purpose I/O with AIN9 (ADC0), AC0 AINN1, and alternate TCA0 WO1 and LUT0-OUT."
      },
      {
        "number": "13",
        "name": "PB3",
        "type": "bidirectional",
        "description": "PORTB pin 3 general-purpose I/O that also serves as TOSC1 (32.768 kHz crystal), USART0 RxD, and alternate TCA0 WO0."
      },
      {
        "number": "14",
        "name": "PB2",
        "type": "bidirectional",
        "description": "PORTB pin 2 general-purpose I/O that also serves as TOSC2 (32.768 kHz crystal), EVOUT1, USART0 TxD, and TCA0 WO2."
      },
      {
        "number": "15",
        "name": "PB1",
        "type": "bidirectional",
        "description": "PORTB pin 1 general-purpose I/O with AIN10 (ADC0), PTC X4/Y4, USART0 XCK, TWI0 SDA, and TCA0 WO1."
      },
      {
        "number": "16",
        "name": "PB0",
        "type": "bidirectional",
        "description": "PORTB pin 0 general-purpose I/O with AIN11 (ADC0), PTC X5/Y5, USART0 XDIR, TWI0 SCL, and TCA0 WO0."
      },
      {
        "number": "17",
        "name": "PC0",
        "type": "bidirectional",
        "description": "PORTC pin 0 general-purpose I/O with TCD0 WOC and alternate SPI0 SCK and TCB0 WO."
      },
      {
        "number": "18",
        "name": "PC1",
        "type": "bidirectional",
        "description": "PORTC pin 1 general-purpose I/O with TCD0 WOD and alternate SPI0 MISO and LUT1-OUT."
      },
      {
        "number": "19",
        "name": "PC2",
        "type": "bidirectional",
        "description": "PORTC pin 2 general-purpose I/O with EVOUT2 and alternate SPI0 MOSI."
      },
      {
        "number": "20",
        "name": "PC3",
        "type": "bidirectional",
        "description": "PORTC pin 3 general-purpose I/O with LUT1-IN0 and alternate SPI0 SS and TCA0 WO3."
      },
      {
        "number": "21",
        "name": "PC4",
        "type": "bidirectional",
        "description": "PORTC pin 4 general-purpose I/O with LUT1-IN1 and alternate TCA0 WO4."
      },
      {
        "number": "22",
        "name": "PC5",
        "type": "bidirectional",
        "description": "PORTC pin 5 general-purpose I/O with LUT1-IN2 and alternate TCA0 WO5."
      },
      {
        "number": "23",
        "name": "PA0",
        "type": "bidirectional",
        "description": "PORTA pin 0 that serves as the RESET/UPDI programming and debug pin (function set by the RSTPINCFG fuse), with AIN0 (ADC0) and LUT0-IN0."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "PORTA pin 1 general-purpose I/O with AIN1 (ADC0), SPI0 MOSI, LUT0-IN1, and alternate TxD/SDA positions."
      },
      {
        "number": "25",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: The datasheet recommends soldering the large exposed center pad to ground but gives it no pin number; Pin numbers come from matching the pinout figure on page 18 to the 24-pin VQFN column of Table 5-1 o; The column labels for PA5 and PA6 are ambiguous in the extracted table. 'OUT' on PA5 is assumed to b"
        ],
        "pages_sent": 120,
        "cost_usd": 0.7442,
        "at": "2026-10-23T12:34:28"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e4808216a0499d6169ddc3f7d1962c0e.pdf",
        "pages": 596,
        "sha256": "c2392fe1c4c9666a",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "attiny817-mnr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "attiny817-mnr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.0,
          4.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "392a8bbbac5fae4ab53f5da625645aeab9322067eabffb18b51ad11d1ea60867",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}