AVR32DA28-I/SS

{
  "schema_version": 1,
  "type": "component",
  "slug": "avr32da28-i-ss",
  "title": "AVR32DA28-I/SS",
  "brief": "Microchip Tech Pre-ordered MCUs, SSOP-28-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "avr32da28-i",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "AVR32DA28-I/SS",
    "manufacturer": "Microchip Tech",
    "package": "SSOP-28-208mil",
    "pin_count": 28,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/067e972bce9008a628b155e4ab7c429e.pdf",
    "parts": {
      "symbol": "avr32da28-i-ss.kicad_sym",
      "footprint": "avr32da28-i-ss.kicad_mod",
      "model_3d": "avr32da28-i-ss-hero.glb",
      "model_3d_plain": "avr32da28-i-ss-etched.glb",
      "model_3d_step": "avr32da28-i-ss-etched.step",
      "model_3d_step_plain": "avr32da28-i-ss.step",
      "lbr": "avr32da28-i-ss.lbr"
    },
    "distributor_links": {
      "lcsc": "C1016537",
      "digikey": "150-AVR32DA28-I/SS-ND",
      "mouser": "579-AVR32DA28-I/SS"
    },
    "distributor_check": {
      "checked_at": "2026-11-12T04:59:24Z",
      "source": "Component Ocean /api/assign-pns",
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        "pn": "150-AVR32DA28-I/SS-ND",
        "status": "found",
        "lifecycle": "Active"
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      "mouser": {
        "pn": "579-AVR32DA28-I/SS",
        "status": "found"
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      "matched_as": "AVR32DA28-I/SS"
    },
    "pins": [
      {
        "number": "1",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PA7 with alternate functions CLKOUT and PTC X7/Y7, and it is the default position for ZCD1 OUT (alternate position PC7 selectable via PORTMUX)."
      },
      {
        "number": "2",
        "name": "PC0",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PC0 with alternate functions USART1 TxD and SPI1 MOSI."
      },
      {
        "number": "3",
        "name": "PC1",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PC1 with alternate functions USART1 RxD and SPI1 MISO."
      },
      {
        "number": "4",
        "name": "PC2",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PC2 with alternate functions TWI SDA (host), USART1 XCK and SPI1 SCK, and full asynchronous pin change sensing (Px2)."
      },
      {
        "number": "5",
        "name": "PC3",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PC3 with alternate functions TWI SCL (host), USART1 XDIR and SPI1 SS."
      },
      {
        "number": "6",
        "name": "PD0",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD0 that can be used as ADC0 analog input AIN0 (also PTC X16/Y16)."
      },
      {
        "number": "7",
        "name": "PD1",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD1 that can be used as ADC0 analog input AIN1 and as zero-cross detector input ZCIN."
      },
      {
        "number": "8",
        "name": "PD2",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD2 that can be used as ADC0 analog input AIN2 and has full asynchronous pin change sensing (Px2)."
      },
      {
        "number": "9",
        "name": "PD3",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD3 that can be used as ADC0 analog input AIN3 (also PTC X19/Y19)."
      },
      {
        "number": "10",
        "name": "PD4",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD4 that can be used as ADC0 analog input AIN4 (also PTC X20/Y20)."
      },
      {
        "number": "11",
        "name": "PD5",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD5 that can be used as ADC0 analog input AIN5 (also PTC X21/Y21)."
      },
      {
        "number": "12",
        "name": "PD6",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD6 that can be used as ADC0 analog input AIN6 (also PTC X22/Y22) and has full asynchronous pin change sensing (Px6)."
      },
      {
        "number": "13",
        "name": "PD7",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD7 that can be used as the external voltage reference input VREFA or ADC0 analog input AIN7."
      },
      {
        "number": "14",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog supply pin; VDD and AVDD are internally connected on the AVR DA family (no separate power domains)."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "16",
        "name": "PF0 (XTAL32K1)",
        "type": "bidirectional",
        "description": "I/O pin PF0 that serves as the 32.768 kHz crystal connection XTAL32K1 and as positive-input-only ADC input AIN16."
      },
      {
        "number": "17",
        "name": "PF1 (XTAL32K2)",
        "type": "bidirectional",
        "description": "I/O pin PF1 that serves as the 32.768 kHz crystal connection XTAL32K2 and as positive-input-only ADC input AIN17."
      },
      {
        "number": "18",
        "name": "PF6 (RESET)",
        "type": "input",
        "description": "Input-only pin that works as the active-low external Reset when RSTPINCFG is set to RESET (otherwise a general input), and has an internal pull-up resistor."
      },
      {
        "number": "19",
        "name": "UPDI",
        "type": "bidirectional",
        "description": "Dedicated Unified Program and Debug Interface pin for one-wire UART programming and debugging, with no other function."
      },
      {
        "number": "20",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin; all VDD pins are internally connected and must be at the same voltage, with 1.8 V to 5.5 V operating range per the ordering information."
      },
      {
        "number": "21",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "22",
        "name": "PA0 (EXTCLK)",
        "type": "bidirectional",
        "description": "I/O pin PA0 that can serve as external clock input EXTCLK, with alternate functions USART0 TxD, TCA0 WO0 and PTC X0/Y0."
      },
      {
        "number": "23",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PA1 with alternate functions USART0 RxD, TCA0 WO1 and PTC X1/Y1."
      },
      {
        "number": "24",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PA2 with alternate functions TWI SDA (host), USART0 XCK, TCA0 WO2 and EVSYS EVOUTA, and full asynchronous pin change sensing (Px2)."
      },
      {
        "number": "25",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PA3 with alternate functions TWI SCL (host), USART0 XDIR and TCA0 WO3."
      },
      {
        "number": "26",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PA4 with alternate functions SPI0 MOSI, USART0 TxD (alternate position) and TCA0 WO4."
      },
      {
        "number": "27",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PA5 with alternate functions SPI0 MISO, USART0 RxD (alternate position) and TCA0 WO5."
      },
      {
        "number": "28",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PA6 with alternate functions SPI0 SCK, USART0 XCK (alternate position) and full asynchronous pin change sensing (Px6)."
      }
    ],
    "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 28-pin SSOP pin numbers were taken from the I/O Multiplexing table (pages 17-18), whose SPDIP28/; The datasheet gives no per-pin electrical limits. The only electrical rating found is the 1.8-5.5 V ; Alternate functions are listed as printed in the multiplexing table and may depend on PORTMUX pin-po"
        ],
        "pages_sent": 110,
        "cost_usd": 0.3824,
        "at": "2026-11-12T04:59:01"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/067e972bce9008a628b155e4ab7c429e.pdf",
        "pages": 670,
        "sha256": "2adadb731c62045b",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          10.2,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "avr32da28-i-ss-etched.step",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "7222b320460ca72386911006abed05b6a2346ddd371e67d1cd45cb0793d92287",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SS",
      "source_page": 643,
      "D": {
        "nom_mm": 10.2,
        "range_mm": [
          9.9,
          10.5
        ]
      },
      "E1": {
        "nom_mm": 5.3,
        "range_mm": [
          5,
          5.6
        ]
      },
      "E": {
        "nom_mm": 7.8,
        "range_mm": [
          7.4,
          8.2
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 2,
        "range_mm": [
          null,
          2
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "avr32da28-i-ss.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SSOP-28-208mil",
      "Category": "Embedded Processors & Controllers",
      "Pins": "28"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2adadb731c62045bbfa50f029048ef3ba2b3cf1ee11118f7508c8c21421164d2",
      "rows": [
        {
          "name": "Supply Voltage (ordering table, AVR32DA28T-I/SS and AVR32DA28-I/SS rows)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 632,
          "source": "datasheet"
        },
        {
          "name": "Temperature Range (ordering table, Industrial, -I suffix)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 632,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
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  "discovery_pitch": "AVR32DA28-I (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
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