ATMEGA809-MUR

{
  "slug": "atmega809-mur",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Microcontroller Units (MCUs/MPUs/SOCs), VQFN-48-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "atmega809-mur",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "atmega809-mur.kicad_sym",
    "atmega809-mur.kicad_mod",
    "atmega809-mur.glb",
    "atmega809-mur.step",
    "atmega809-mur.lbr",
    "docs/hero.png",
    "docs/atmega809-mur-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "atmega809-mur-hero.glb",
    "atmega809-mur-hero.overlay.json",
    "atmega809-mur-etched.glb"
  ],
  "component": {
    "mpn": "ATMEGA809-MUR",
    "manufacturer": "Microchip Tech",
    "package": "VQFN-48-EP(6x6)",
    "pin_count": 49,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega808-09-1608-09-DS40002172B.pdf",
    "parts": {
      "symbol": "atmega809-mur.kicad_sym",
      "footprint": "atmega809-mur.kicad_mod",
      "model_3d": "atmega809-mur-hero.glb",
      "model_3d_plain": "atmega809-mur-etched.glb",
      "model_3d_step": "atmega809-mur-etched.step",
      "model_3d_step_plain": "atmega809-mur.step",
      "lbr": "atmega809-mur.lbr"
    },
    "distributor_links": {
      "lcsc": "C1512794",
      "digikey": "150-ATMEGA809-MURTR-ND",
      "mouser": "556-ATMEGA809-MUR"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T22:34:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "150-ATMEGA809-MURTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-ATMEGA809-MUR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PA5 on PORTA (VDD power domain), also usable for USART0 RxD (alternate position), SPI0 MISO and CCL/TCA0 WO5 alternate functions per the multiplexing table."
      },
      {
        "number": "2",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PA6 on PORTA (VDD power domain), also usable for USART0 XCK (alternate position), SPI0 SCK and an alternate event/output function per the multiplexing table."
      },
      {
        "number": "3",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PA7 on PORTA (VDD power domain), also usable for CLKOUT, AC0 OUT, USART0 XDIR (alternate position), SPI0 SS and EVOUTA (alternate position)."
      },
      {
        "number": "4",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PB0 on PORTB, also usable for USART3 TxD and TCA0 WO0 (alternate position) per the multiplexing table."
      },
      {
        "number": "5",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PB1 on PORTB, also usable for USART3 RxD and TCA0 WO1 (alternate position) per the multiplexing table."
      },
      {
        "number": "6",
        "name": "PB2",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PB2 on PORTB, also usable for USART3 XCK, TCA0 WO2 (alternate position) and EVOUTB per the multiplexing table."
      },
      {
        "number": "7",
        "name": "PB3",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PB3 on PORTB, also usable for USART3 XDIR and TCA0 WO3 (alternate position) per the multiplexing table."
      },
      {
        "number": "8",
        "name": "PB4",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PB4 on PORTB, also usable for USART3 TxD (alternate position), TCA0 WO4 (alternate position) and TCB2 WO (alternate position) per the multiplexing table."
      },
      {
        "number": "9",
        "name": "PB5",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PB5 on PORTB, also usable for USART3 RxD (alternate position), TCA0 WO5 (alternate position) and TCB3 WO per the multiplexing table."
      },
      {
        "number": "10",
        "name": "PC0",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PC0 on PORTC (VDD power domain), also usable for USART1 TxD, SPI0 MOSI (alternate position), TCA0 WO0 (alternate position) and TCB2 WO per the multiplexing table."
      },
      {
        "number": "11",
        "name": "PC1",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PC1 on PORTC (VDD power domain), also usable for USART1 RxD, SPI0 MISO (alternate position), TCA0 WO1 (alternate position) and TCB3 WO (alternate position)."
      },
      {
        "number": "12",
        "name": "PC2",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PC2 on PORTC (VDD power domain), also usable for TWI0 SDA (master), USART1 XCK, SPI0 SCK (alternate position), TCA0 WO2 (alternate position) and EVOUTC."
      },
      {
        "number": "13",
        "name": "PC3",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PC3 on PORTC (VDD power domain), also usable for TWI0 SCL (master), USART1 XDIR, SPI0 SS (alternate position) and TCA0 WO3 (alternate position)."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage for the digital core and VDD-domain I/O; the device operates from 1.8 V to 5.5 V per the ordering information."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "16",
        "name": "PC4",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PC4 on PORTC, also usable for USART1 TxD (alternate position) and TCA0 WO4 (alternate position)."
      },
      {
        "number": "17",
        "name": "PC5",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PC5 on PORTC, also usable for USART1 RxD (alternate position) and TCA0 WO5 (alternate position)."
      },
      {
        "number": "18",
        "name": "PC6",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PC6 on PORTC, also usable for USART1 XCK (alternate position) and TCB1 OUT (alternate position)."
      },
      {
        "number": "19",
        "name": "PC7",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PC7 on PORTC, also usable for USART1 XDIR (alternate position) and EVOUTC (alternate position)."
      },
      {
        "number": "20",
        "name": "PD0",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD0 on PORTD, also usable as analog input AIN0, TCA0 WO0 (alternate position) and AC0 input 2 (CCL LUT2-IN0)."
      },
      {
        "number": "21",
        "name": "PD1",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD1 on PORTD, also usable as analog input AIN1, AC0 positive input P3, TCA0 WO1 (alternate position) and CCL LUT2-IN1."
      },
      {
        "number": "22",
        "name": "PD2",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD2 on PORTD, also usable as analog input AIN2, AC0 positive input P0, TCA0 WO2 (alternate position), EVOUTD and CCL LUT2-IN2."
      },
      {
        "number": "23",
        "name": "PD3",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD3 on PORTD, also usable as analog input AIN3, AC0 negative input N0, TCA0 WO3 (alternate position) and CCL LUT2-OUT."
      },
      {
        "number": "24",
        "name": "PD4",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD4 on PORTD, also usable as analog input AIN4, AC0 positive input P1 and TCA0 WO4 (alternate position)."
      },
      {
        "number": "25",
        "name": "PD5",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD5 on PORTD, also usable as analog input AIN5, AC0 negative input N1 and TCA0 WO5 (alternate position)."
      },
      {
        "number": "26",
        "name": "PD6",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD6 on PORTD, also usable as analog input AIN6, AC0 positive input P2 and CCL LUT2-OUT (alternate position)."
      },
      {
        "number": "27",
        "name": "PD7",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PD7 on PORTD, also usable as the external voltage reference input VREFA, analog input AIN7, AC0 negative input N2 and EVOUTD (alternate position)."
      },
      {
        "number": "28",
        "name": "AVDD",
        "type": "power_in",
        "description": "Supply for the analog domain (ADC, analog peripherals) and the GPIO on the AVDD power domain; the device operates from 1.8 V to 5.5 V per the ordering information."
      },
      {
        "number": "29",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "30",
        "name": "PE0",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PE0 on PORTE, also usable as analog input AIN8, SPI0 MOSI (alternate position) and TCA0 WO0 (alternate position)."
      },
      {
        "number": "31",
        "name": "PE1",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PE1 on PORTE, also usable as analog input AIN9, SPI0 MISO (alternate position) and TCA0 WO1 (alternate position)."
      },
      {
        "number": "32",
        "name": "PE2",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PE2 on PORTE, also usable as analog input AIN10, SPI0 SCK (alternate position), TCA0 WO2 (alternate position) and EVOUTE."
      },
      {
        "number": "33",
        "name": "PE3",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PE3 on PORTE, also usable as analog input AIN11, SPI0 SS (alternate position) and TCA0 WO3 (alternate position)."
      },
      {
        "number": "34",
        "name": "PF0 (TOSC1)",
        "type": "passive",
        "description": "General-purpose I/O pin PF0 on PORTF, shared with the 32.768 kHz crystal oscillator input TOSC1; also usable for USART2 TxD (alternate position) and TCA0 WO0 (alternate position)."
      },
      {
        "number": "35",
        "name": "PF1 (TOSC2)",
        "type": "passive",
        "description": "General-purpose I/O pin PF1 on PORTF, shared with the 32.768 kHz crystal oscillator output TOSC2; also usable for USART2 RxD (alternate position) and TCA0 WO1 (alternate position)."
      },
      {
        "number": "36",
        "name": "PF2",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PF2 on PORTF, also usable for TWI0 SDA (slave), analog input AIN12, USART2 XCK (alternate position), TCA0 WO2 (alternate position) and EVOUTF."
      },
      {
        "number": "37",
        "name": "PF3",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PF3 on PORTF, also usable for TWI0 SCL (slave), analog input AIN13, USART2 XDIR (alternate position) and TCA0 WO3 (alternate position)."
      },
      {
        "number": "38",
        "name": "PF4",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PF4 on PORTF, also usable as analog input AIN14, USART2 TxD (alternate position) and TCA0 WO4 (alternate position)."
      },
      {
        "number": "39",
        "name": "PF5",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PF5 on PORTF, also usable as analog input AIN15, USART2 RxD (alternate position) and TCA0 WO5 (alternate position)."
      },
      {
        "number": "40",
        "name": "PF6 (RESET)",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PF6 on PORTF that is the external Reset pin when the RSTPINCFG fuse selects RESET, also usable for USART2 XCK (alternate position) and CCL LUT3-OUT (alternate position)."
      },
      {
        "number": "41",
        "name": "UPDI",
        "type": "bidirectional",
        "description": "Unified Program and Debug Interface pin used for programming and debugging the device."
      },
      {
        "number": "42",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage for the digital core and VDD-domain I/O; the device operates from 1.8 V to 5.5 V per the ordering information."
      },
      {
        "number": "43",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "44",
        "name": "PA0 (EXTCLK)",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PA0 on PORTA (AVDD power domain), also usable as external clock input EXTCLK, USART0 TxD (alternate position), TCA0 WO0 and CCL LUT0-IN0 and as an event input."
      },
      {
        "number": "45",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PA1 on PORTA (AVDD power domain), also usable for USART0 RxD, TCA0 WO1 and CCL LUT0-IN1."
      },
      {
        "number": "46",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PA2 on PORTA (AVDD power domain), also usable for TWI0 SDA (master), USART0 XCK, TCA0 WO2, TCB0 WO and EVOUTA and CCL LUT0-IN2."
      },
      {
        "number": "47",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PA3 on PORTA (AVDD power domain), also usable for TWI0 SCL (master), USART0 XDIR, TCA0 WO3, TCB1 WO and CCL LUT0-OUT."
      },
      {
        "number": "48",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O pin PA4 on PORTA (AVDD power domain), also usable for USART0 TxD (alternate position), SPI0 MOSI and TCA0 WO4."
      },
      {
        "number": "49",
        "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 48-pin VQFN/TQFP figure on page 16 has scrambled text extraction, so pin-to-name mapping was tak; Pin descriptions list alternate functions as stated in the multiplexing table; the table's column al; The datasheet gives no per-pin voltage or current limits in this excerpt; the only supply range give",
          "exposed pad 49 added from the footprint"
        ],
        "pages_sent": 94,
        "cost_usd": 0.3049,
        "at": "2026-10-30T22:33:50"
      },
      "datasheet": {
        "url": "http://ww1.microchip.com/downloads/en/DeviceDoc/ATmega808-09-1608-09-DS40002172B.pdf",
        "pages": 543,
        "sha256": "fe2ccf6f4621a1cd",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "atmega809-mur.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.02,
          6.02,
          0.9
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8c5a9ae8025cf03c82b8d148b5470d2651539deb727938395d10dc9acd340710",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atmega809-mur-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.02,
          6.02,
          0.9
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7093e2fbf14258abc665fd9438d7183e87796482f77b3116773b65157c6fb78d",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "6LX (C04-00494, 48-Lead VQFN 6x6 mm, 4.1x4.1 mm exposed pad)",
      "source_page": 533,
      "D": {
        "nom_mm": 6.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 6.0,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.4,
        "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": "atmega809-mur.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}