ATMEGA1608-XU

{
  "schema_version": 1,
  "type": "component",
  "slug": "atmega1608-xu",
  "title": "ATMEGA1608-XU",
  "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",
    "atmega1608-xu",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATMEGA1608-XU",
    "manufacturer": "Microchip Tech",
    "package": "SSOP-28-208mil",
    "pin_count": 28,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://ww1.microchip.com/downloads/aemDocuments/documents/MCU08/ProductDocuments/DataSheets/ATmega808-09-1608-09-DataSheet-DS40002172C.pdf",
    "parts": {
      "symbol": "atmega1608-xu.kicad_sym",
      "footprint": "atmega1608-xu.kicad_mod",
      "model_3d": "atmega1608-xu-hero.glb",
      "model_3d_plain": "atmega1608-xu-etched.glb",
      "model_3d_step": "atmega1608-xu-etched.step",
      "model_3d_step_plain": "atmega1608-xu.step",
      "lbr": "atmega1608-xu.lbr"
    },
    "distributor_links": {
      "lcsc": "C1342110",
      "digikey": "150-ATMEGA1608-XU-ND",
      "mouser": "556-ATMEGA1608-XU"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T12:32:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "150-ATMEGA1608-XU-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-ATMEGA1608-XU",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA7",
        "type": "bidirectional",
        "description": "PORTA pin 7 on the AVDD domain, with CLKOUT as special function, alternate USART0 XDIR, SPI0 SS and alternate EVOUTA."
      },
      {
        "number": "2",
        "name": "PC0",
        "type": "bidirectional",
        "description": "PORTC pin 0 with USART1 TxD, alternate SPI0 MOSI, alternate TCA0 WO0, TCB2 WO and CCL LUT1-IN0."
      },
      {
        "number": "3",
        "name": "PC1",
        "type": "bidirectional",
        "description": "PORTC pin 1 with USART1 RxD, alternate SPI0 MISO, alternate TCA0 WO1, alternate TCB3 WO and CCL LUT1-IN1."
      },
      {
        "number": "4",
        "name": "PC2",
        "type": "bidirectional",
        "description": "PORTC pin 2 with TWI0 (alternate SDA host), USART1 XCK, alternate SPI0 SCK, alternate TCA0 WO2, EVOUTC and CCL LUT1-IN2."
      },
      {
        "number": "5",
        "name": "PC3",
        "type": "bidirectional",
        "description": "PORTC pin 3 with TWI0 (alternate SCL host), USART1 XDIR, alternate SPI0 SS, alternate TCA0 WO3 and CCL LUT1-OUT."
      },
      {
        "number": "6",
        "name": "PD0",
        "type": "bidirectional",
        "description": "PORTD pin 0 with ADC0 input AIN0, alternate TCA0 WO0 and CCL LUT2-IN0."
      },
      {
        "number": "7",
        "name": "PD1",
        "type": "bidirectional",
        "description": "PORTD pin 1 with ADC0 input AIN1, AC0 positive input P3, alternate TCA0 WO1 and CCL LUT2-IN1."
      },
      {
        "number": "8",
        "name": "PD2",
        "type": "bidirectional",
        "description": "PORTD pin 2 with ADC0 input AIN2, AC0 positive input P0, alternate TCA0 WO2, EVOUTD and CCL LUT2-IN2."
      },
      {
        "number": "9",
        "name": "PD3",
        "type": "bidirectional",
        "description": "PORTD pin 3 with ADC0 input AIN3, AC0 negative input N0, alternate TCA0 WO3 and CCL LUT2-OUT."
      },
      {
        "number": "10",
        "name": "PD4",
        "type": "bidirectional",
        "description": "PORTD pin 4 with ADC0 input AIN4, AC0 positive input P1 and alternate TCA0 WO4."
      },
      {
        "number": "11",
        "name": "PD5",
        "type": "bidirectional",
        "description": "PORTD pin 5 with ADC0 input AIN5, AC0 negative input N1 and alternate TCA0 WO5."
      },
      {
        "number": "12",
        "name": "PD6",
        "type": "bidirectional",
        "description": "PORTD pin 6 with ADC0 input AIN6, AC0 positive input P2 and alternate CCL LUT2-OUT."
      },
      {
        "number": "13",
        "name": "PD7",
        "type": "bidirectional",
        "description": "PORTD pin 7 with external reference input VREFA, ADC0 input AIN7, AC0 negative input N2 and alternate EVOUTD."
      },
      {
        "number": "14",
        "name": "AVDD",
        "type": "power_in",
        "description": "Analog-domain input supply powering the GPIO pins on the AVDD power domain (PA and PD pins)."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "16",
        "name": "PF0",
        "type": "bidirectional",
        "description": "PORTF pin 0 with crystal oscillator pin TOSC1, USART2 TxD, alternate TCA0 WO0 and CCL LUT3-IN0."
      },
      {
        "number": "17",
        "name": "PF1",
        "type": "bidirectional",
        "description": "PORTF pin 1 with crystal oscillator pin TOSC2, USART2 RxD, alternate TCA0 WO1 and CCL LUT3-IN1."
      },
      {
        "number": "18",
        "name": "PF6",
        "type": "bidirectional",
        "description": "PORTF pin 6 that serves as the active-low RESET pin (or GPIO when RSTPINCFG fuse selects GPIO), with alternate USART2 XCK and alternate CCL LUT3-OUT."
      },
      {
        "number": "19",
        "name": "UPDI",
        "type": "bidirectional",
        "description": "Unified Program and Debug Interface pin used for programming and debug."
      },
      {
        "number": "20",
        "name": "VDD",
        "type": "power_in",
        "description": "Input supply for the digital domain; device operates at 1.8-5.5V."
      },
      {
        "number": "21",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "22",
        "name": "PA0",
        "type": "bidirectional",
        "description": "PORTA pin 0 with external clock input EXTCLK, USART0 TxD, TCA0 WO0 and CCL LUT0-IN0."
      },
      {
        "number": "23",
        "name": "PA1",
        "type": "bidirectional",
        "description": "PORTA pin 1 with USART0 RxD, TCA0 WO1 and CCL LUT0-IN1."
      },
      {
        "number": "24",
        "name": "PA2",
        "type": "bidirectional",
        "description": "PORTA pin 2 with TWI0 SDA (host), USART0 XCK, TCA0 WO2, TCB0 WO, EVOUTA and CCL LUT0-IN2."
      },
      {
        "number": "25",
        "name": "PA3",
        "type": "bidirectional",
        "description": "PORTA pin 3 with TWI0 SCL (host), USART0 XDIR, TCA0 WO3, TCB1 WO and CCL LUT0-OUT."
      },
      {
        "number": "26",
        "name": "PA4",
        "type": "bidirectional",
        "description": "PORTA pin 4 with alternate USART0 TxD, SPI0 MOSI and TCA0 WO4."
      },
      {
        "number": "27",
        "name": "PA5",
        "type": "bidirectional",
        "description": "PORTA pin 5 with alternate USART0 RxD, SPI0 MISO and TCA0 WO5."
      },
      {
        "number": "28",
        "name": "PA6",
        "type": "bidirectional",
        "description": "PORTA pin 6 with alternate USART0 XCK, SPI0 SCK and alternate CCL LUT0-OUT."
      }
    ],
    "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: PA7 multiplexing row lists an extra 'OUT' signal in a column whose header is ambiguous in the extrac; Pin-to-function mapping was taken from the SSOP28 column of the I/O multiplexing table (pages 18-19)"
        ],
        "pages_sent": 102,
        "cost_usd": 0.6273,
        "at": "2026-10-23T12:32:08"
      },
      "datasheet": {
        "url": "https://ww1.microchip.com/downloads/aemDocuments/documents/MCU08/ProductDocuments/DataSheets/ATmega808-09-1608-09-DataSheet-DS40002172C.pdf",
        "pages": 552,
        "sha256": "e4bbeee766cda6b4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "atmega1608-xu.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "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": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atmega1608-xu-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "806314ca7c841c89bb1aab39432278b7658109283e09da4b71685b80b56de58c",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SSOP-28-208mil",
      "Category": "Embedded Processors & Controllers",
      "Pins": "28"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e4bbeee766cda6b43db205e48607d2df59a200495ddec19b293ce36db621e8ef",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "ATmega1608-XU ordering table supply voltage",
          "source_page": 520,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "ATmega1608-XU ordering table temperature range",
          "source_page": 520,
          "source": "datasheet"
        },
        {
          "name": "Max. CPU Speed",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "ATmega1608-XU ordering table",
          "source_page": 520,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "atmega1608-xu"
  ],
  "discovery_pitch": "ATMEGA1608-XU (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "atmega1608-xu-hero.overlay.json",
    "atmega1608-xu-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}