ATMEGA169PA-AUR

{
  "schema_version": 1,
  "type": "component",
  "slug": "atmega169pa-aur",
  "title": "ATMEGA169PA-AUR",
  "brief": "Microchip Tech MICROCHIP, TQFP-64(14x14). 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",
    "atmega169pa-aur",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATMEGA169PA-AUR",
    "manufacturer": "Microchip Tech",
    "package": "TQFP-64(14x14)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "MICROCHIP",
    "datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-8284-8-bit-AVR-microcontroller-ATmega169A_PA_329A_PA_3290A_PA_649A_P_6490A_P_summary.pdf",
    "parts": {
      "symbol": "atmega169pa-aur.kicad_sym",
      "footprint": "atmega169pa-aur.kicad_mod",
      "model_3d": "atmega169pa-aur-hero.glb",
      "model_3d_plain": "atmega169pa-aur-etched.glb",
      "model_3d_step": "atmega169pa-aur-etched.step",
      "model_3d_step_plain": "atmega169pa-aur.step",
      "lbr": "atmega169pa-aur.lbr"
    },
    "distributor_links": {
      "lcsc": "C507109",
      "digikey": "ATMEGA169PA-AURTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T08:29:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATMEGA169PA-AURTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LCDCAP",
        "type": "passive",
        "description": "LCD power reservoir pin needing an external capacitor (typical > 470 nF) if the LCD module is enabled and uses internal power."
      },
      {
        "number": "2",
        "name": "PE0 (RXD/PCINT0)",
        "type": "bidirectional",
        "description": "Port E bit 0, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate functions RXD and PCINT0."
      },
      {
        "number": "3",
        "name": "PE1 (TXD/PCINT1)",
        "type": "bidirectional",
        "description": "Port E bit 1, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate functions TXD and PCINT1."
      },
      {
        "number": "4",
        "name": "PE2 (XCK/AIN0/PCINT2)",
        "type": "bidirectional",
        "description": "Port E bit 2, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate functions XCK, AIN0 and PCINT2."
      },
      {
        "number": "5",
        "name": "PE3 (AIN1/PCINT3)",
        "type": "bidirectional",
        "description": "Port E bit 3, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate functions AIN1 and PCINT3."
      },
      {
        "number": "6",
        "name": "PE4 (USCK/SCL/PCINT4)",
        "type": "bidirectional",
        "description": "Port E bit 4, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate functions USCK, SCL and PCINT4."
      },
      {
        "number": "7",
        "name": "PE5 (DI/SDA/PCINT5)",
        "type": "bidirectional",
        "description": "Port E bit 5, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate functions DI, SDA and PCINT5."
      },
      {
        "number": "8",
        "name": "PE6 (DO/PCINT6)",
        "type": "bidirectional",
        "description": "Port E bit 6, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate functions DO and PCINT6."
      },
      {
        "number": "9",
        "name": "PE7 (CLKO/PCINT7)",
        "type": "bidirectional",
        "description": "Port E bit 7, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate functions CLKO and PCINT7."
      },
      {
        "number": "10",
        "name": "PB0 (SS/PCINT8)",
        "type": "bidirectional",
        "description": "Port B bit 0, bi-directional I/O with selectable internal pull-up and better drive capability than other ports, tri-stated during reset; alternate functions SS and PCINT8."
      },
      {
        "number": "11",
        "name": "PB1 (SCK/PCINT9)",
        "type": "bidirectional",
        "description": "Port B bit 1, bi-directional I/O with selectable internal pull-up and better drive capability than other ports, tri-stated during reset; alternate functions SCK and PCINT9."
      },
      {
        "number": "12",
        "name": "PB2 (MOSI/PCINT10)",
        "type": "bidirectional",
        "description": "Port B bit 2, bi-directional I/O with selectable internal pull-up and better drive capability than other ports, tri-stated during reset; alternate functions MOSI and PCINT10."
      },
      {
        "number": "13",
        "name": "PB3 (MISO/PCINT11)",
        "type": "bidirectional",
        "description": "Port B bit 3, bi-directional I/O with selectable internal pull-up and better drive capability than other ports, tri-stated during reset; alternate functions MISO and PCINT11."
      },
      {
        "number": "14",
        "name": "PB4 (OC0A/PCINT12)",
        "type": "bidirectional",
        "description": "Port B bit 4, bi-directional I/O with selectable internal pull-up and better drive capability than other ports, tri-stated during reset; alternate functions OC0A and PCINT12."
      },
      {
        "number": "15",
        "name": "PB5 (OC1A/PCINT13)",
        "type": "bidirectional",
        "description": "Port B bit 5, bi-directional I/O with selectable internal pull-up and better drive capability than other ports, tri-stated during reset; alternate functions OC1A and PCINT13."
      },
      {
        "number": "16",
        "name": "PB6 (OC1B/PCINT14)",
        "type": "bidirectional",
        "description": "Port B bit 6, bi-directional I/O with selectable internal pull-up and better drive capability than other ports, tri-stated during reset; alternate functions OC1B and PCINT14."
      },
      {
        "number": "17",
        "name": "PB7 (OC2A/PCINT15)",
        "type": "bidirectional",
        "description": "Port B bit 7, bi-directional I/O with selectable internal pull-up and better drive capability than other ports, tri-stated during reset; alternate functions OC2A and PCINT15."
      },
      {
        "number": "18",
        "name": "PG3 (T1/SEG24)",
        "type": "bidirectional",
        "description": "Port G bit 3, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate functions T1 and LCD segment SEG24."
      },
      {
        "number": "19",
        "name": "PG4 (T0/SEG23)",
        "type": "bidirectional",
        "description": "Port G bit 4, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate functions T0 and LCD segment SEG23."
      },
      {
        "number": "20",
        "name": "RESET/PG5",
        "type": "input",
        "description": "Reset input; a low level longer than the minimum pulse length generates a reset even if the clock is not running, and the pin is also Port G bit 5."
      },
      {
        "number": "21",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply voltage."
      },
      {
        "number": "22",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "23",
        "name": "XTAL2 (TOSC2)",
        "type": "output",
        "description": "Output from the inverting oscillator amplifier; also TOSC2 for the asynchronous timer oscillator."
      },
      {
        "number": "24",
        "name": "XTAL1 (TOSC1)",
        "type": "input",
        "description": "Input to the inverting oscillator amplifier and input to the internal clock operating circuit; also TOSC1 for the asynchronous timer oscillator."
      },
      {
        "number": "25",
        "name": "PD0 (ICP1/SEG22)",
        "type": "bidirectional",
        "description": "Port D bit 0, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate functions ICP1 and LCD segment SEG22."
      },
      {
        "number": "26",
        "name": "PD1 (INT0/SEG21)",
        "type": "bidirectional",
        "description": "Port D bit 1, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate functions INT0 and LCD segment SEG21."
      },
      {
        "number": "27",
        "name": "PD2 (SEG20)",
        "type": "bidirectional",
        "description": "Port D bit 2, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG20."
      },
      {
        "number": "28",
        "name": "PD3 (SEG19)",
        "type": "bidirectional",
        "description": "Port D bit 3, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG19."
      },
      {
        "number": "29",
        "name": "PD4 (SEG18)",
        "type": "bidirectional",
        "description": "Port D bit 4, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG18."
      },
      {
        "number": "30",
        "name": "PD5 (SEG17)",
        "type": "bidirectional",
        "description": "Port D bit 5, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG17."
      },
      {
        "number": "31",
        "name": "PD6 (SEG16)",
        "type": "bidirectional",
        "description": "Port D bit 6, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG16."
      },
      {
        "number": "32",
        "name": "PD7 (SEG15)",
        "type": "bidirectional",
        "description": "Port D bit 7, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG15."
      },
      {
        "number": "33",
        "name": "PG0 (SEG14)",
        "type": "bidirectional",
        "description": "Port G bit 0, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG14."
      },
      {
        "number": "34",
        "name": "PG1 (SEG13)",
        "type": "bidirectional",
        "description": "Port G bit 1, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG13."
      },
      {
        "number": "35",
        "name": "PC0 (SEG12)",
        "type": "bidirectional",
        "description": "Port C bit 0, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG12."
      },
      {
        "number": "36",
        "name": "PC1 (SEG11)",
        "type": "bidirectional",
        "description": "Port C bit 1, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG11."
      },
      {
        "number": "37",
        "name": "PC2 (SEG10)",
        "type": "bidirectional",
        "description": "Port C bit 2, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG10."
      },
      {
        "number": "38",
        "name": "PC3 (SEG9)",
        "type": "bidirectional",
        "description": "Port C bit 3, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG9."
      },
      {
        "number": "39",
        "name": "PC4 (SEG8)",
        "type": "bidirectional",
        "description": "Port C bit 4, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG8."
      },
      {
        "number": "40",
        "name": "PC5 (SEG7)",
        "type": "bidirectional",
        "description": "Port C bit 5, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG7."
      },
      {
        "number": "41",
        "name": "PC6 (SEG6)",
        "type": "bidirectional",
        "description": "Port C bit 6, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG6."
      },
      {
        "number": "42",
        "name": "PC7 (SEG5)",
        "type": "bidirectional",
        "description": "Port C bit 7, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG5."
      },
      {
        "number": "43",
        "name": "PG2 (SEG4)",
        "type": "bidirectional",
        "description": "Port G bit 2, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG4."
      },
      {
        "number": "44",
        "name": "PA7 (SEG3)",
        "type": "bidirectional",
        "description": "Port A bit 7, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG3."
      },
      {
        "number": "45",
        "name": "PA6 (SEG2)",
        "type": "bidirectional",
        "description": "Port A bit 6, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG2."
      },
      {
        "number": "46",
        "name": "PA5 (SEG1)",
        "type": "bidirectional",
        "description": "Port A bit 5, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG1."
      },
      {
        "number": "47",
        "name": "PA4 (SEG0)",
        "type": "bidirectional",
        "description": "Port A bit 4, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD segment SEG0."
      },
      {
        "number": "48",
        "name": "PA3 (COM3)",
        "type": "bidirectional",
        "description": "Port A bit 3, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD common COM3."
      },
      {
        "number": "49",
        "name": "PA2 (COM2)",
        "type": "bidirectional",
        "description": "Port A bit 2, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD common COM2."
      },
      {
        "number": "50",
        "name": "PA1 (COM1)",
        "type": "bidirectional",
        "description": "Port A bit 1, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD common COM1."
      },
      {
        "number": "51",
        "name": "PA0 (COM0)",
        "type": "bidirectional",
        "description": "Port A bit 0, bi-directional I/O with selectable internal pull-up, tri-stated during reset; alternate function LCD common COM0."
      },
      {
        "number": "52",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply voltage."
      },
      {
        "number": "53",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "54",
        "name": "PF7 (ADC7/TDI)",
        "type": "bidirectional",
        "description": "Port F bit 7, ADC input channel 7 and JTAG TDI, with selectable pull-up that is activated even during reset if JTAG is enabled."
      },
      {
        "number": "55",
        "name": "PF6 (ADC6/TDO)",
        "type": "bidirectional",
        "description": "Port F bit 6, ADC input channel 6 and JTAG TDO, with selectable internal pull-up, tri-stated during reset."
      },
      {
        "number": "56",
        "name": "PF5 (ADC5/TMS)",
        "type": "bidirectional",
        "description": "Port F bit 5, ADC input channel 5 and JTAG TMS, with selectable pull-up that is activated even during reset if JTAG is enabled."
      },
      {
        "number": "57",
        "name": "PF4 (ADC4/TCK)",
        "type": "bidirectional",
        "description": "Port F bit 4, ADC input channel 4 and JTAG TCK, with selectable pull-up that is activated even during reset if JTAG is enabled."
      },
      {
        "number": "58",
        "name": "PF3 (ADC3)",
        "type": "bidirectional",
        "description": "Port F bit 3, ADC input channel 3 or general I/O with selectable internal pull-up, tri-stated during reset."
      },
      {
        "number": "59",
        "name": "PF2 (ADC2)",
        "type": "bidirectional",
        "description": "Port F bit 2, ADC input channel 2 or general I/O with selectable internal pull-up, tri-stated during reset."
      },
      {
        "number": "60",
        "name": "PF1 (ADC1)",
        "type": "bidirectional",
        "description": "Port F bit 1, ADC input channel 1 or general I/O with selectable internal pull-up, tri-stated during reset."
      },
      {
        "number": "61",
        "name": "PF0 (ADC0)",
        "type": "bidirectional",
        "description": "Port F bit 0, ADC input channel 0 or general I/O with selectable internal pull-up, tri-stated during reset."
      },
      {
        "number": "62",
        "name": "AREF",
        "type": "input",
        "description": "Analog reference pin for the A/D Converter."
      },
      {
        "number": "63",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "64",
        "name": "AVCC",
        "type": "power_in",
        "description": "Supply voltage pin for Port F and the A/D Converter, to be externally connected to VCC even if the ADC is not used, and through a low-pass filter if the ADC is used."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The text extraction of Figure 1-1 gives PG0 as SEG14 and PG1 as SEG13 for the Figure 1-1 pinout, and; Power pins VCC (21, 52) and GND (22, 53, 63) appear several times. Pin 63 is labeled GND in the 64A ; Pin type for AREF is set as input (analog reference for the ADC). The datasheet only says it is the ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 39,
        "cost_usd": 0.175,
        "at": "2026-10-27T08:28:59"
      },
      "datasheet": {
        "url": "https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-8284-8-bit-AVR-microcontroller-ATmega169A_PA_329A_PA_3290A_PA_649A_P_6490A_P_summary.pdf",
        "pages": 39,
        "sha256": "d4323bf006acd3e2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ba925bf5c4254d55a029c50945e4157a8371aaac29d2dc73cee8d71f59249e8c",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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        "footprint_binding": "identity",
        "sha256": "16639987dfc690842262736885dd92d8207aad43bb90234b1b192bb1181c4f8c",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TQFP-64(14x14)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    }
  },
  "variants": [],
  "sections": [
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    "breadcrumbs",
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "ATMEGA169PA-AUR (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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