ATMEGA4809-AU

{
  "slug": "atmega4809-au",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Pre-ordered MCUs, TQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "atmega4809-au",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "atmega4809-au.kicad_sym",
    "atmega4809-au.kicad_mod",
    "atmega4809-au.glb",
    "atmega4809-au.step",
    "atmega4809-au.lbr",
    "docs/hero.png",
    "docs/atmega4809-au-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "atmega4809-au-hero.glb",
    "atmega4809-au-hero.overlay.json",
    "atmega4809-au-etched.glb"
  ],
  "component": {
    "mpn": "ATMEGA4809-AU",
    "manufacturer": "Microchip Tech",
    "package": "TQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/ATmega4808-09-DataSheet-DS40002173C.pdf",
    "parts": {
      "symbol": "atmega4809-au.kicad_sym",
      "footprint": "atmega4809-au.kicad_mod",
      "model_3d": "atmega4809-au-hero.glb",
      "model_3d_plain": "atmega4809-au-etched.glb",
      "model_3d_step": "atmega4809-au-etched.step",
      "model_3d_step_plain": "atmega4809-au.step",
      "lbr": "atmega4809-au.lbr"
    },
    "distributor_links": {
      "lcsc": "C1340041",
      "digikey": "150-ATMEGA4809-AU-ND",
      "mouser": "556-ATMEGA4809-AU"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T06:30:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "150-ATMEGA4809-AU-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-ATMEGA4809-AU",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General purpose I/O pin PA5 with USART0 RxD (alternate position), SPI0 MISO and TCA0 WO5 alternate functions."
      },
      {
        "number": "2",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General purpose I/O pin PA6 with USART0 XCK (alternate position), SPI0 SCK and TCA0 OUT alternate functions."
      },
      {
        "number": "3",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General purpose I/O pin PA7 with CLKOUT, AC0 OUT, USART0 XDIR (alternate position), SPI0 SS and EVOUTA alternate functions."
      },
      {
        "number": "4",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General purpose I/O pin PB0 with USART3 TxD and TCA0 WO0 (alternate position) functions."
      },
      {
        "number": "5",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General purpose I/O pin PB1 with USART3 RxD and TCA0 WO1 (alternate position) functions."
      },
      {
        "number": "6",
        "name": "PB2",
        "type": "bidirectional",
        "description": "General purpose I/O pin PB2 with USART3 XCK, TCA0 WO2 (alternate position) and EVOUTB functions."
      },
      {
        "number": "7",
        "name": "PB3",
        "type": "bidirectional",
        "description": "General purpose I/O pin PB3 with USART3 XDIR and TCA0 WO3 (alternate position) functions."
      },
      {
        "number": "8",
        "name": "PB4",
        "type": "bidirectional",
        "description": "General purpose I/O pin PB4 with USART3 TxD (alternate position), TCA0 WO4 (alternate position) and TCB2 WO (alternate position) functions."
      },
      {
        "number": "9",
        "name": "PB5",
        "type": "bidirectional",
        "description": "General purpose I/O pin PB5 with USART3 RxD (alternate position), TCA0 WO5 (alternate position) and TCB3 WO functions; PB[5:0] must be disabled or have pull-ups enabled when the 40-pin version is used."
      },
      {
        "number": "10",
        "name": "PC0",
        "type": "bidirectional",
        "description": "General purpose I/O pin PC0 with USART1 TxD, SPI0 MOSI (alternate position), TCA0 WO0 (alternate position), TCB2 WO and CCL LUT1 IN0 functions."
      },
      {
        "number": "11",
        "name": "PC1",
        "type": "bidirectional",
        "description": "General purpose I/O pin PC1 with USART1 RxD, SPI0 MISO (alternate position), TCA0 WO1 (alternate position), TCB3 WO (alternate position) and CCL LUT1 IN1 functions."
      },
      {
        "number": "12",
        "name": "PC2",
        "type": "bidirectional",
        "description": "General purpose I/O pin PC2 with TWI0 SDA (host, alternate position), USART1 XCK, SPI0 SCK (alternate position), TCA0 WO2 (alternate position), EVOUTC and CCL LUT1 IN2 functions."
      },
      {
        "number": "13",
        "name": "PC3",
        "type": "bidirectional",
        "description": "General purpose I/O pin PC3 with TWI0 SCL (host, alternate position), USART1 XDIR, SPI0 SS (alternate position), TCA0 WO3 (alternate position) and CCL LUT1 OUT functions."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "Input supply for the GPIO on the VDD power domain."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "16",
        "name": "PC4",
        "type": "bidirectional",
        "description": "General purpose I/O pin PC4 with USART1 TxD (alternate position) and TCA0 WO4 (alternate position) functions."
      },
      {
        "number": "17",
        "name": "PC5",
        "type": "bidirectional",
        "description": "General purpose I/O pin PC5 with USART1 RxD (alternate position) and TCA0 WO5 (alternate position) functions."
      },
      {
        "number": "18",
        "name": "PC6",
        "type": "bidirectional",
        "description": "General purpose I/O pin PC6 with USART1 XCK (alternate position) and CCL LUT1 OUT (alternate position) functions."
      },
      {
        "number": "19",
        "name": "PC7",
        "type": "bidirectional",
        "description": "General purpose I/O pin PC7 with USART1 XDIR (alternate position) and EVOUTC (alternate position) functions."
      },
      {
        "number": "20",
        "name": "PD0",
        "type": "bidirectional",
        "description": "General purpose I/O pin PD0 with analog input AIN0, TCA0 WO0 (alternate position) and CCL LUT2 IN0 functions."
      },
      {
        "number": "21",
        "name": "PD1",
        "type": "bidirectional",
        "description": "General purpose I/O pin PD1 with analog input AIN1, analog comparator input P3, TCA0 WO1 (alternate position) and CCL LUT2 IN1 functions."
      },
      {
        "number": "22",
        "name": "PD2",
        "type": "bidirectional",
        "description": "General purpose I/O pin PD2 with analog input AIN2, analog comparator input P0, TCA0 WO2 (alternate position), EVOUTD and CCL LUT2 IN2 functions."
      },
      {
        "number": "23",
        "name": "PD3",
        "type": "bidirectional",
        "description": "General purpose I/O pin PD3 with analog input AIN3, analog comparator input N0, TCA0 WO3 (alternate position) and CCL LUT2 OUT functions."
      },
      {
        "number": "24",
        "name": "PD4",
        "type": "bidirectional",
        "description": "General purpose I/O pin PD4 with analog input AIN4, analog comparator input P1 and TCA0 WO4 (alternate position) functions."
      },
      {
        "number": "25",
        "name": "PD5",
        "type": "bidirectional",
        "description": "General purpose I/O pin PD5 with analog input AIN5, analog comparator input N1 and TCA0 WO5 (alternate position) functions."
      },
      {
        "number": "26",
        "name": "PD6",
        "type": "bidirectional",
        "description": "General purpose I/O pin PD6 with analog input AIN6, analog comparator input P2 and CCL LUT2 OUT (alternate position) functions."
      },
      {
        "number": "27",
        "name": "PD7",
        "type": "bidirectional",
        "description": "General purpose I/O pin PD7 with VREFA, analog input AIN7, analog comparator input N2 and EVOUTD (alternate position) functions."
      },
      {
        "number": "28",
        "name": "AVDD",
        "type": "power_in",
        "description": "Input supply for the GPIO on the AVDD power domain, used by the analog functions."
      },
      {
        "number": "29",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "30",
        "name": "PE0",
        "type": "bidirectional",
        "description": "General purpose I/O pin PE0 with analog input AIN8, SPI0 MOSI (alternate position) and TCA0 WO0 (alternate position) functions."
      },
      {
        "number": "31",
        "name": "PE1",
        "type": "bidirectional",
        "description": "General purpose I/O pin PE1 with analog input AIN9, SPI0 MISO (alternate position) and TCA0 WO1 (alternate position) functions."
      },
      {
        "number": "32",
        "name": "PE2",
        "type": "bidirectional",
        "description": "General purpose I/O pin PE2 with analog input AIN10, SPI0 SCK (alternate position), TCA0 WO2 (alternate position) and EVOUTE functions."
      },
      {
        "number": "33",
        "name": "PE3",
        "type": "bidirectional",
        "description": "General purpose I/O pin PE3 with analog input AIN11, SPI0 SS (alternate position) and TCA0 WO3 (alternate position) functions."
      },
      {
        "number": "34",
        "name": "PF0",
        "type": "bidirectional",
        "description": "General purpose I/O pin PF0 with the TOSC1 crystal oscillator connection, USART2 TxD, TCA0 WO0 (alternate position) and CCL LUT3 IN0 functions."
      },
      {
        "number": "35",
        "name": "PF1",
        "type": "bidirectional",
        "description": "General purpose I/O pin PF1 with the TOSC2 crystal oscillator connection, USART2 RxD, TCA0 WO1 (alternate position) and CCL LUT3 IN1 functions."
      },
      {
        "number": "36",
        "name": "PF2",
        "type": "bidirectional",
        "description": "General purpose I/O pin PF2 with TWI0 SDA (client), analog input AIN12, USART2 XCK, TCA0 WO2 (alternate position), EVOUTF and CCL LUT3 IN2 functions."
      },
      {
        "number": "37",
        "name": "PF3",
        "type": "bidirectional",
        "description": "General purpose I/O pin PF3 with TWI0 SCL (client), analog input AIN13, USART2 XDIR, TCA0 WO3 (alternate position) and CCL LUT3 OUT functions."
      },
      {
        "number": "38",
        "name": "PF4",
        "type": "bidirectional",
        "description": "General purpose I/O pin PF4 with analog input AIN14, USART2 TxD (alternate position), TCA0 WO4 (alternate position) and TCB0 WO (alternate position) functions."
      },
      {
        "number": "39",
        "name": "PF5",
        "type": "bidirectional",
        "description": "General purpose I/O pin PF5 with analog input AIN15, USART2 RxD (alternate position), TCA0 WO5 (alternate position) and TCB1 WO (alternate position) functions."
      },
      {
        "number": "40",
        "name": "PF6",
        "type": "bidirectional",
        "description": "General purpose I/O pin PF6 that can be configured as the RESET pin (RSTPINCFG), with USART2 XCK (alternate position) and CCL LUT3 OUT (alternate position) functions."
      },
      {
        "number": "41",
        "name": "UPDI",
        "type": "bidirectional",
        "description": "Unified Program and Debug Interface pin used for programming and debugging."
      },
      {
        "number": "42",
        "name": "VDD",
        "type": "power_in",
        "description": "Input supply for the GPIO on the VDD power domain."
      },
      {
        "number": "43",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "44",
        "name": "PA0",
        "type": "bidirectional",
        "description": "General purpose I/O pin PA0 with EXTCLK external clock input, USART0 TxD, TCA0 WO0 and CCL LUT0 IN0 functions."
      },
      {
        "number": "45",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General purpose I/O pin PA1 with USART0 RxD, TCA0 WO1 and CCL LUT0 IN1 functions."
      },
      {
        "number": "46",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General purpose I/O pin PA2 with TWI0 SDA (host), USART0 XCK, TCA0 WO2, EVOUTA and CCL LUT0 IN2 functions."
      },
      {
        "number": "47",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General purpose I/O pin PA3 with TWI0 SCL (host), USART0 XDIR, TCA0 WO3, TCB1 WO and CCL LUT0 OUT functions."
      },
      {
        "number": "48",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General purpose I/O pin PA4 with USART0 TxD (alternate position), SPI0 MOSI and TCA0 WO4 functions."
      }
    ],
    "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 ATMEGA4809-AU is the 48-pin TQFP (7x7) industrial variant. The pin-number-to-name mapping is"
        ],
        "pages_sent": 109,
        "cost_usd": 0.1056,
        "at": "2026-10-27T06:30:03"
      },
      "datasheet": {
        "url": "https://ww1.microchip.com/downloads/en/DeviceDoc/ATmega4808-09-DataSheet-DS40002173C.pdf",
        "pages": 560,
        "sha256": "a1755e46625fa50b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "atmega4809-au.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "14ca7676e4932e92f0eca0c6d56ce3018cd28a2531204a70ab7bbacb3eeb3cf5",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atmega4809-au-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": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c48ad366f72ac5443e8f2a7cb962d1a448c6ef568769559d88f545c778687b1c",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}