ATMEGA328P-AUR

{
  "schema_version": 1,
  "type": "component",
  "slug": "atmega328p-aur",
  "title": "ATMEGA328P-AUR",
  "brief": "Microchip Tech Microcontrollers (MCU/MPU/SOC), TQFP-32(7x7). 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",
    "atmega328p-aur",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATMEGA328P-AUR",
    "manufacturer": "Microchip Tech",
    "package": "TQFP-32(7x7)",
    "pin_count": 32,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586207760018493440",
    "parts": {
      "symbol": "atmega328p-aur.kicad_sym",
      "footprint": "atmega328p-aur.kicad_mod",
      "model_3d": "atmega328p-aur-hero.glb",
      "model_3d_plain": "atmega328p-aur-etched.glb",
      "model_3d_step": "atmega328p-aur-etched.step",
      "model_3d_step_plain": "atmega328p-aur.step",
      "lbr": "atmega328p-aur.lbr"
    },
    "distributor_links": {
      "lcsc": "C618816",
      "digikey": "ATMEGA328P-AURTR-ND",
      "mouser": "556-ATMEGA328P-AUR"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T06:03:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATMEGA328P-AURTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-ATMEGA328P-AUR",
        "status": "found",
        "lifecycle": "Not Recommended for New Designs"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PD3",
        "type": "bidirectional",
        "description": "Port D bit 3 is a bi-directional I/O pin with internal pull-up, also usable as INT1 external interrupt, OC2B Timer/Counter2 compare output, or PCINT19."
      },
      {
        "number": "2",
        "name": "PD4",
        "type": "bidirectional",
        "description": "Port D bit 4 is a bi-directional I/O pin with internal pull-up, also usable as XCK USART external clock, T0 Timer/Counter0 external counter input, or PCINT20."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply voltage; the device operating voltage is stated as 1.8 to 5.5 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply voltage; the device operating voltage is stated as 1.8 to 5.5 V."
      },
      {
        "number": "7",
        "name": "PB6",
        "type": "input",
        "description": "Port B bit 6 doubles as XTAL1/TOSC1: depending on clock fuse settings it is the input to the inverting oscillator amplifier and to the internal clock circuit, and it can also serve as PCINT6."
      },
      {
        "number": "8",
        "name": "PB7",
        "type": "output",
        "description": "Port B bit 7 doubles as XTAL2/TOSC2: depending on clock fuse settings it is the output of the inverting oscillator amplifier, and it can also serve as PCINT7."
      },
      {
        "number": "9",
        "name": "PD5",
        "type": "bidirectional",
        "description": "Port D bit 5 is a bi-directional I/O pin with internal pull-up, also usable as T1 Timer/Counter1 external counter input, OC0B Timer/Counter0 compare output, or PCINT21."
      },
      {
        "number": "10",
        "name": "PD6",
        "type": "bidirectional",
        "description": "Port D bit 6 is a bi-directional I/O pin with internal pull-up, also usable as AIN0 analog comparator positive input (pull-up should be switched off in that use), OC0A compare output, or PCINT22."
      },
      {
        "number": "11",
        "name": "PD7",
        "type": "bidirectional",
        "description": "Port D bit 7 is a bi-directional I/O pin with internal pull-up, also usable as AIN1 analog comparator negative input (pull-up should be switched off in that use) or PCINT23."
      },
      {
        "number": "12",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Port B bit 0 is a bi-directional I/O pin with internal pull-up, also usable as ICP1 Timer/Counter1 input capture input, CLKO divided system clock output, or PCINT0."
      },
      {
        "number": "13",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Port B bit 1 is a bi-directional I/O pin with internal pull-up, also usable as OC1A Timer/Counter1 compare match A output or PCINT1."
      },
      {
        "number": "14",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Port B bit 2 is a bi-directional I/O pin with internal pull-up, also usable as SS SPI slave select, OC1B Timer/Counter1 compare match B output, or PCINT2."
      },
      {
        "number": "15",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Port B bit 3 is a bi-directional I/O pin with internal pull-up, also usable as MOSI SPI data line, OC2A Timer/Counter2 compare match A output, or PCINT3."
      },
      {
        "number": "16",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Port B bit 4 is a bi-directional I/O pin with internal pull-up, also usable as MISO SPI data line or PCINT4."
      },
      {
        "number": "17",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Port B bit 5 is a bi-directional I/O pin with internal pull-up, also usable as SCK SPI clock or PCINT5."
      },
      {
        "number": "18",
        "name": "AVCC",
        "type": "power_in",
        "description": "Supply voltage pin for the A/D converter, PC3:0 and ADC7:6; it should be connected to VCC even if the ADC is not used, and through a low-pass filter if the ADC is used."
      },
      {
        "number": "19",
        "name": "ADC6",
        "type": "input",
        "description": "Analog input channel 6 of the 10-bit A/D converter (TQFP and VQFN packages only), powered from the analog supply."
      },
      {
        "number": "20",
        "name": "AREF",
        "type": "input",
        "description": "Analog reference pin for the A/D converter."
      },
      {
        "number": "21",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "22",
        "name": "ADC7",
        "type": "input",
        "description": "Analog input channel 7 of the 10-bit A/D converter (TQFP and VQFN packages only), powered from the analog supply."
      },
      {
        "number": "23",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Port C bit 0 is a 7-bit bi-directional I/O pin with internal pull-up, also usable as ADC0 analog input (analog power) or PCINT8."
      },
      {
        "number": "24",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Port C bit 1 is a bi-directional I/O pin with internal pull-up, also usable as ADC1 analog input (analog power) or PCINT9."
      },
      {
        "number": "25",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Port C bit 2 is a bi-directional I/O pin with internal pull-up, also usable as ADC2 analog input (analog power) or PCINT10."
      },
      {
        "number": "26",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Port C bit 3 is a bi-directional I/O pin with internal pull-up, also usable as ADC3 analog input (analog power) or PCINT11."
      },
      {
        "number": "27",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Port C bit 4 is a bi-directional I/O pin with internal pull-up, also usable as SDA 2-wire serial data I/O, ADC4 analog input (digital power) or PCINT12."
      },
      {
        "number": "28",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Port C bit 5 is a bi-directional I/O pin with internal pull-up, also usable as SCL 2-wire serial clock, ADC5 analog input (digital power) or PCINT13."
      },
      {
        "number": "29",
        "name": "PC6",
        "type": "bidirectional",
        "description": "PC6 is an I/O pin when the RSTDISBL fuse is programmed; when the RSTDISBL fuse is unprogrammed it is the Reset input, and a low level longer than the minimum pulse length generates a Reset (also usable as PCINT14)."
      },
      {
        "number": "30",
        "name": "PD0",
        "type": "bidirectional",
        "description": "Port D bit 0 is a bi-directional I/O pin with internal pull-up, and is the RXD USART receive data input when the USART receiver is enabled, or PCINT16."
      },
      {
        "number": "31",
        "name": "PD1",
        "type": "bidirectional",
        "description": "Port D bit 1 is a bi-directional I/O pin with internal pull-up, and is the TXD USART transmit data output when the USART transmitter is enabled, or PCINT17."
      },
      {
        "number": "32",
        "name": "PD2",
        "type": "bidirectional",
        "description": "Port D bit 2 is a bi-directional I/O pin with internal pull-up, also usable as INT0 external interrupt source 0 or PCINT18."
      }
    ],
    "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 requested 'TQFP-32 (7x7)' body size is not stated in the supplied pages. The ordering informatio; Pin-to-name mapping was read from the text layout of the 32 TQFP top-view figure on page 12 (pins 1-; Type choices that are judgement calls for KiCad ERC: PC6 (RESET/PCINT14) is marked bidirectional bec"
        ],
        "pages_sent": 126,
        "cost_usd": 0.4006,
        "at": "2026-10-19T06:01:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586207760018493440",
        "pages": 653,
        "sha256": "c1d39de244c3b63b",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 32,
        "described": 32,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "atmega328p-aur.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "53431be61c684e9d923915676a90cb08050c23ee3f834d76a77a3b19b41422f1",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atmega328p-aur-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "8e1e24ef6b7b3f0c1d4e903110696995dee45f95dece995c7b766f8f0a5cd00d",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TQFP-32(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "32"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "c1d39de244c3b63b4e5404414bc3dce4f7156531afba5dc50d98018eb0e92f0b",
      "rows": [
        {
          "name": "Voltage on RESET with respect to Ground",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 13,
          "conditions": "",
          "source_page": 308,
          "source": "datasheet"
        },
        {
          "name": "Voltage on any pin except RESET with respect to Ground",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 308,
          "source": "datasheet"
        },
        {
          "name": "DC Current per I/O Pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 308,
          "source": "datasheet"
        },
        {
          "name": "DC Current VCC and GND Pins",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 308,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 308,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 308,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Voltage (VCC)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "TA = -40°C to 85°C, VCC = 1.8V to 5.5V (table header)",
          "source_page": 312,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature (Industrial range)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Operational Range Industrial, ATmega328P-AUR ordering code",
          "source_page": 635,
          "source": "datasheet"
        },
        {
          "name": "Speed (maximum clock frequency)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "Ordering table speed, Power Supply 1.8-5.5 V; max frequency depends on VCC per Figure 29-1",
          "source_page": 635,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Current – Active mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.3,
          "max": 0.5,
          "conditions": "Active 1MHz, VCC = 2V",
          "source_page": 312,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Current – Active mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.7,
          "max": 2.5,
          "conditions": "Active 4MHz, VCC = 3V",
          "source_page": 312,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Current – Active mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5.2,
          "max": 9,
          "conditions": "Active 8MHz, VCC = 5V",
          "source_page": 312,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Current – Idle mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.04,
          "max": 0.15,
          "conditions": "Idle 1MHz, VCC = 2V",
          "source_page": 312,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Current – Idle mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.3,
          "max": 0.7,
          "conditions": "Idle 4MHz, VCC = 3V",
          "source_page": 312,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Current – Idle mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.2,
          "max": 2.7,
          "conditions": "Idle 8MHz, VCC = 5V",
          "source_page": 312,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Current – Power-down mode (WDT enabled)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 4.2,
          "max": 8,
          "conditions": "WDT enabled, VCC = 3V",
          "source_page": 312,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Current – Power-down mode (WDT disabled)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.1,
          "max": 2,
          "conditions": "WDT disabled, VCC = 3V",
          "source_page": 312,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Current – Power-save mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.8,
          "max": null,
          "conditions": "32kHz TOSC enabled, VCC = 1.8V",
          "source_page": 312,
          "source": "datasheet"
        },
        {
          "name": "Power Supply Current – Power-save mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.9,
          "max": null,
          "conditions": "32kHz TOSC enabled, VCC = 3V",
          "source_page": 312,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "atmega328p-aur"
  ],
  "discovery_pitch": "ATMEGA328P-AUR (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": [
    "page.json",
    "README.md",
    "atmega328p-aur.kicad_sym",
    "atmega328p-aur.kicad_mod",
    "atmega328p-aur.glb",
    "atmega328p-aur.step",
    "atmega328p-aur.lbr",
    "docs/hero.png",
    "docs/atmega328p-aur-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "atmega328p-aur-hero.glb",
    "atmega328p-aur-hero.overlay.json",
    "atmega328p-aur-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}