ATMEGA48A-AUR

{
  "schema_version": 1,
  "type": "component",
  "slug": "atmega48a-aur",
  "title": "ATMEGA48A-AUR",
  "brief": "Microchip Tech Pre-ordered MCUs, 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": [
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    "embedded processors & controllers",
    "atmega48a-aur",
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    "extractor-text"
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  "component": {
    "mpn": "ATMEGA48A-AUR",
    "manufacturer": "Microchip Tech",
    "package": "TQFP-32(7x7)",
    "pin_count": 32,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/ATmega48A-PA-88A-PA-168A-PA-328-P-DS-DS40002061B.pdf",
    "parts": {
      "symbol": "atmega48a-aur.kicad_sym",
      "footprint": "atmega48a-aur.kicad_mod",
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      "model_3d_step": "atmega48a-aur-etched.step",
      "model_3d_step_plain": "atmega48a-aur.step",
      "lbr": "atmega48a-aur.lbr"
    },
    "distributor_links": {
      "lcsc": "C1337191",
      "digikey": "ATMEGA48A-AURTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T18:47:37Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATMEGA48A-AURTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PD3",
        "type": "bidirectional",
        "description": "Port D bit 3 bidirectional I/O with internal pull-up, alternate functions INT1, OC2B and PCINT19."
      },
      {
        "number": "2",
        "name": "PD4",
        "type": "bidirectional",
        "description": "Port D bit 4 bidirectional I/O with internal pull-up, alternate functions XCK, T0 and PCINT20."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply voltage."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply voltage."
      },
      {
        "number": "7",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Port B bit 6 I/O; depending on clock fuse settings it is the inverting oscillator amplifier input (XTAL1) or TOSC1, with PCINT6."
      },
      {
        "number": "8",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Port B bit 7 I/O; depending on clock fuse settings it is the inverting oscillator amplifier output (XTAL2) or TOSC2, with PCINT7."
      },
      {
        "number": "9",
        "name": "PD5",
        "type": "bidirectional",
        "description": "Port D bit 5 bidirectional I/O with internal pull-up, alternate functions T1, OC0B and PCINT21."
      },
      {
        "number": "10",
        "name": "PD6",
        "type": "bidirectional",
        "description": "Port D bit 6 bidirectional I/O with internal pull-up, alternate functions AIN0 (comparator positive input), OC0A and PCINT22."
      },
      {
        "number": "11",
        "name": "PD7",
        "type": "bidirectional",
        "description": "Port D bit 7 bidirectional I/O with internal pull-up, alternate functions AIN1 (comparator negative input) and PCINT23."
      },
      {
        "number": "12",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Port B bit 0 bidirectional I/O with internal pull-up, alternate functions ICP1, CLKO and PCINT0."
      },
      {
        "number": "13",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Port B bit 1 bidirectional I/O with internal pull-up, alternate functions OC1A and PCINT1."
      },
      {
        "number": "14",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Port B bit 2 bidirectional I/O with internal pull-up, alternate functions SS, OC1B and PCINT2."
      },
      {
        "number": "15",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Port B bit 3 bidirectional I/O with internal pull-up, alternate functions MOSI, OC2A and PCINT3."
      },
      {
        "number": "16",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Port B bit 4 bidirectional I/O with internal pull-up, alternate functions MISO and PCINT4."
      },
      {
        "number": "17",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Port B bit 5 bidirectional I/O with internal pull-up, alternate functions SCK and PCINT5."
      },
      {
        "number": "18",
        "name": "AVCC",
        "type": "power_in",
        "description": "Supply voltage for the A/D converter, PC3:0 and ADC7:6; must be connected to VCC even if the ADC is unused, 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, powered from the analog supply (TQFP/VQFN only)."
      },
      {
        "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, powered from the analog supply (TQFP/VQFN only)."
      },
      {
        "number": "23",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Port C bit 0 bidirectional I/O with internal pull-up, alternate functions ADC0 and PCINT8."
      },
      {
        "number": "24",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Port C bit 1 bidirectional I/O with internal pull-up, alternate functions ADC1 and PCINT9."
      },
      {
        "number": "25",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Port C bit 2 bidirectional I/O with internal pull-up, alternate functions ADC2 and PCINT10."
      },
      {
        "number": "26",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Port C bit 3 bidirectional I/O with internal pull-up, alternate functions ADC3 and PCINT11."
      },
      {
        "number": "27",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Port C bit 4 bidirectional I/O with internal pull-up, alternate functions ADC4, SDA (2-wire data) and PCINT12."
      },
      {
        "number": "28",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Port C bit 5 bidirectional I/O with internal pull-up, alternate functions ADC5, SCL (2-wire clock) and PCINT13."
      },
      {
        "number": "29",
        "name": "PC6/RESET",
        "type": "bidirectional",
        "description": "Active-low reset input when RSTDISBL fuse is unprogrammed (low longer than minimum pulse length resets the device), otherwise I/O pin PC6 with PCINT14."
      },
      {
        "number": "30",
        "name": "PD0",
        "type": "bidirectional",
        "description": "Port D bit 0 bidirectional I/O with internal pull-up, alternate functions RXD and PCINT16."
      },
      {
        "number": "31",
        "name": "PD1",
        "type": "bidirectional",
        "description": "Port D bit 1 bidirectional I/O with internal pull-up, alternate functions TXD and PCINT17."
      },
      {
        "number": "32",
        "name": "PD2",
        "type": "bidirectional",
        "description": "Port D bit 2 bidirectional I/O with internal pull-up, alternate functions INT0 and PCINT18."
      }
    ],
    "provenance": {
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        "guard_notes": [
          "extractor flagged: Page 12 pinout figure text is flattened; pin numbers were reconstructed from the listed 32-TQFP labe"
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        "cost_usd": 0.7425,
        "at": "2026-10-31T18:47:26"
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        "total": 32,
        "described": 32,
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        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TQFP-32(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "32"
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