ATTINY3217-MNR

{
  "slug": "attiny3217-mnr",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Pre-ordered MCUs, WQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "attiny3217-mnr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "attiny3217-mnr.kicad_sym",
    "attiny3217-mnr.kicad_mod",
    "attiny3217-mnr.glb",
    "attiny3217-mnr.step",
    "attiny3217-mnr.lbr",
    "docs/hero.png",
    "docs/attiny3217-mnr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "attiny3217-mnr-hero.glb",
    "attiny3217-mnr-hero.overlay.json",
    "attiny3217-mnr-etched.glb"
  ],
  "component": {
    "mpn": "ATTINY3217-MNR",
    "manufacturer": "Microchip Tech",
    "package": "WQFN-24-EP(4x4)",
    "pin_count": 25,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/94a5c32f36f0127cc89a425d81cb60db.pdf",
    "parts": {
      "symbol": "attiny3217-mnr.kicad_sym",
      "footprint": "attiny3217-mnr.kicad_mod",
      "model_3d": "attiny3217-mnr-hero.glb",
      "model_3d_plain": "attiny3217-mnr-etched.glb",
      "model_3d_step": "attiny3217-mnr-etched.step",
      "model_3d_step_plain": "attiny3217-mnr.step",
      "lbr": "attiny3217-mnr.lbr"
    },
    "distributor_links": {
      "lcsc": "C614177",
      "mouser": "579-ATTINY3217-MNR"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T23:38:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 989 calls left today"
      },
      "mouser": {
        "pn": "579-ATTINY3217-MNR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General-purpose I/O PA2; alternate functions include EVOUT0, ADC0 AIN2, USART0 RxD, SPI0 MISO, TWI0 SCL and CCL LUT0-IN2 (Table 5-1)."
      },
      {
        "number": "2",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General-purpose I/O PA3; alternate functions include EXTCLK external clock input, ADC0 AIN3, USART0 XCK, SPI0 SCK, TCA0 WO3 and TCB1 (Table 5-1)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "4",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage; operating supply voltage is 2.7 V to 5.5 V (Table 37-2)."
      },
      {
        "number": "5",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O PA4 with analog and digital alternate functions as listed for this pin in Table 5-1; PORTMUX selects alternate positions."
      },
      {
        "number": "6",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O PA5; alternate functions include VREFA external voltage reference input, ADC0 AIN5 and TCB0 output (Table 5-1)."
      },
      {
        "number": "7",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O PA6; also the DAC0 analog output OUT (Table 32-2) and ADC0 AIN6 input (Table 5-1)."
      },
      {
        "number": "8",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General-purpose I/O PA7 with analog and digital alternate functions as listed for this pin in Table 5-1; PORTMUX selects alternate positions."
      },
      {
        "number": "9",
        "name": "PB7",
        "type": "bidirectional",
        "description": "General-purpose I/O PB7 with analog and digital alternate functions as listed for this pin in Table 5-1; PORTMUX selects alternate positions."
      },
      {
        "number": "10",
        "name": "PB6",
        "type": "bidirectional",
        "description": "General-purpose I/O PB6 with analog and digital alternate functions as listed for this pin in Table 5-1; PORTMUX selects alternate positions."
      },
      {
        "number": "11",
        "name": "PB5",
        "type": "bidirectional",
        "description": "General-purpose I/O PB5; alternate functions include CLKOUT clock output, ADC0 AIN8 and WO2 (Table 5-1)."
      },
      {
        "number": "12",
        "name": "PB4",
        "type": "bidirectional",
        "description": "General-purpose I/O PB4 with analog and digital alternate functions as listed for this pin in Table 5-1; PORTMUX selects alternate positions."
      },
      {
        "number": "13",
        "name": "PB3",
        "type": "passive",
        "description": "Port B bit 3 shared with the 32.768 kHz crystal oscillator connection TOSC1 (XOSC32K) and ADC/AC/CCL functions per Table 5-1."
      },
      {
        "number": "14",
        "name": "PB2",
        "type": "passive",
        "description": "Port B bit 2 shared with the 32.768 kHz crystal oscillator connection TOSC2 (XOSC32K) and EVOUT1 event output (Table 5-1)."
      },
      {
        "number": "15",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General-purpose I/O PB1 with analog and digital alternate functions as listed for this pin in Table 5-1; PORTMUX selects alternate positions."
      },
      {
        "number": "16",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General-purpose I/O PB0 with analog and digital alternate functions as listed for this pin in Table 5-1; PORTMUX selects alternate positions."
      },
      {
        "number": "17",
        "name": "PC0",
        "type": "bidirectional",
        "description": "General-purpose I/O PC0 with analog and digital alternate functions as listed for this pin in Table 5-1; PORTMUX selects alternate positions."
      },
      {
        "number": "18",
        "name": "PC1",
        "type": "bidirectional",
        "description": "General-purpose I/O PC1 with analog and digital alternate functions as listed for this pin in Table 5-1; PORTMUX selects alternate positions."
      },
      {
        "number": "19",
        "name": "PC2",
        "type": "bidirectional",
        "description": "General-purpose I/O PC2; alternate functions include EVOUT2 event output, ADC0 AIN8 and SPI0 MOSI (Table 5-1)."
      },
      {
        "number": "20",
        "name": "PC3",
        "type": "bidirectional",
        "description": "General-purpose I/O PC3 with analog and digital alternate functions as listed for this pin in Table 5-1; PORTMUX selects alternate positions."
      },
      {
        "number": "21",
        "name": "PC4",
        "type": "bidirectional",
        "description": "General-purpose I/O PC4 with analog and digital alternate functions as listed for this pin in Table 5-1; PORTMUX selects alternate positions."
      },
      {
        "number": "22",
        "name": "PC5",
        "type": "bidirectional",
        "description": "General-purpose I/O PC5 with analog and digital alternate functions as listed for this pin in Table 5-1; PORTMUX selects alternate positions."
      },
      {
        "number": "23",
        "name": "PA0/RESET/UPDI",
        "type": "bidirectional",
        "description": "Multiplexed pin: RESET, UPDI single-pin programming/debug interface, or GPIO, selected by FUSE.SYSCFG0 RSTPINCFG (Section 7.10.4.5)."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General-purpose I/O PA1; alternate functions include ADC0 AIN1, USART0 TxD, SPI0 MOSI, TWI0 SDA and CCL LUT0-IN1 (Table 5-1)."
      },
      {
        "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-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 MPN ATTINY3217-MNR does not appear in the datasheet ordering table. The only 24-pin VQFN orderin; The datasheet names this package VQFN 24-pin 4x4 mm with wettable flanks, not WQFN. The package hint; The exposed center pad (2.6 mm, datasheet note: solder to ground) is not given a pin number in the d",
          "exposed pad 25 added from the footprint",
          "1/25 pins cited to the wrong page (name found elsewhere): ['23:PA0/RESET/UPDI@p35']"
        ],
        "pages_sent": 88,
        "cost_usd": 0.3076,
        "at": "2026-10-28T23:38:08"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/94a5c32f36f0127cc89a425d81cb60db.pdf",
        "pages": 572,
        "sha256": "97cb689010a2d3b4",
        "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": "attiny3217-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": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "attiny3217-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": "01c6661e795f57c5e1ef24ac50b94f747e932b637245f8700a9e3ca4697ad15c",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "VQFN-24 (U3B, C04-21483)",
      "source_page": 564,
      "D": {
        "nom_mm": 4.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 4.0,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.85,
        "range_mm": [
          0.8,
          0.9
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "attiny3217-mnr.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}