ATMEGA169PA-AU

{
  "schema_version": 1,
  "type": "component",
  "slug": "atmega169pa-au",
  "title": "ATMEGA169PA-AU",
  "brief": "Microchip Tech ATMEL & AVR, 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-au",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATMEGA169PA-AU",
    "manufacturer": "Microchip Tech",
    "package": "TQFP-64(14x14)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "ATMEL & AVR",
    "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-au.kicad_sym",
      "footprint": "atmega169pa-au.kicad_mod",
      "model_3d": "atmega169pa-au-hero.glb",
      "model_3d_plain": "atmega169pa-au-etched.glb",
      "model_3d_step": "atmega169pa-au-etched.step",
      "model_3d_step_plain": "atmega169pa-au.step",
      "lbr": "atmega169pa-au.lbr"
    },
    "distributor_links": {
      "lcsc": "C9434",
      "digikey": "ATMEGA169PA-AU-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T08:02:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATMEGA169PA-AU-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LCDCAP",
        "type": "passive",
        "description": "An external capacitor (typical > 470 nF) connects here when the LCD module is enabled and uses internal power, acting as the reservoir for VLCD."
      },
      {
        "number": "2",
        "name": "PE0",
        "type": "bidirectional",
        "description": "Port E bit 0, a bi-directional I/O pin with selectable internal pull-up, with alternate functions RXD/PCINT0."
      },
      {
        "number": "3",
        "name": "PE1",
        "type": "bidirectional",
        "description": "Port E bit 1, a bi-directional I/O pin with selectable internal pull-up, with alternate functions TXD/PCINT1."
      },
      {
        "number": "4",
        "name": "PE2",
        "type": "bidirectional",
        "description": "Port E bit 2, a bi-directional I/O pin with selectable internal pull-up, with alternate functions XCK/AIN0/PCINT2."
      },
      {
        "number": "5",
        "name": "PE3",
        "type": "bidirectional",
        "description": "Port E bit 3, a bi-directional I/O pin with selectable internal pull-up, with alternate functions AIN1/PCINT3."
      },
      {
        "number": "6",
        "name": "PE4",
        "type": "bidirectional",
        "description": "Port E bit 4, a bi-directional I/O pin with selectable internal pull-up, with alternate functions USCK/SCL/PCINT4."
      },
      {
        "number": "7",
        "name": "PE5",
        "type": "bidirectional",
        "description": "Port E bit 5, a bi-directional I/O pin with selectable internal pull-up, with alternate functions DI/SDA/PCINT5."
      },
      {
        "number": "8",
        "name": "PE6",
        "type": "bidirectional",
        "description": "Port E bit 6, a bi-directional I/O pin with selectable internal pull-up, with alternate functions DO/PCINT6."
      },
      {
        "number": "9",
        "name": "PE7",
        "type": "bidirectional",
        "description": "Port E bit 7, a bi-directional I/O pin with selectable internal pull-up, with alternate functions CLKO/PCINT7."
      },
      {
        "number": "10",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Port B bit 0, a bi-directional I/O pin with selectable internal pull-up and better drive capability than the other ports, with alternate functions SS/PCINT8."
      },
      {
        "number": "11",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Port B bit 1, a bi-directional I/O pin with selectable internal pull-up and better drive capability than the other ports, with alternate functions SCK/PCINT9."
      },
      {
        "number": "12",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Port B bit 2, a bi-directional I/O pin with selectable internal pull-up and better drive capability than the other ports, with alternate functions MOSI/PCINT10."
      },
      {
        "number": "13",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Port B bit 3, a bi-directional I/O pin with selectable internal pull-up and better drive capability than the other ports, with alternate functions MISO/PCINT11."
      },
      {
        "number": "14",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Port B bit 4, a bi-directional I/O pin with selectable internal pull-up and better drive capability than the other ports, with alternate functions OC0A/PCINT12."
      },
      {
        "number": "15",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Port B bit 5, a bi-directional I/O pin with selectable internal pull-up and better drive capability than the other ports, with alternate functions OC1A/PCINT13."
      },
      {
        "number": "16",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Port B bit 6, a bi-directional I/O pin with selectable internal pull-up and better drive capability than the other ports, with alternate functions OC1B/PCINT14."
      },
      {
        "number": "17",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Port B bit 7, a bi-directional I/O pin with selectable internal pull-up and better drive capability than the other ports, with alternate functions OC2A/PCINT15."
      },
      {
        "number": "18",
        "name": "PG3",
        "type": "bidirectional",
        "description": "Port G bit 3, a bi-directional I/O pin with selectable internal pull-up, with alternate functions T1/SEG24."
      },
      {
        "number": "19",
        "name": "PG4",
        "type": "bidirectional",
        "description": "Port G bit 4, a bi-directional I/O pin with selectable internal pull-up, with alternate functions T0/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; also serves as 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",
        "type": "output",
        "description": "Output from the inverting oscillator amplifier, also TOSC2."
      },
      {
        "number": "24",
        "name": "XTAL1",
        "type": "input",
        "description": "Input to the inverting oscillator amplifier and to the internal clock operating circuit, also TOSC1."
      },
      {
        "number": "25",
        "name": "PD0",
        "type": "bidirectional",
        "description": "Port D bit 0, a bi-directional I/O pin with selectable internal pull-up, with alternate functions ICP1/SEG22."
      },
      {
        "number": "26",
        "name": "PD1",
        "type": "bidirectional",
        "description": "Port D bit 1, a bi-directional I/O pin with selectable internal pull-up, with alternate functions INT0/SEG21."
      },
      {
        "number": "27",
        "name": "PD2",
        "type": "bidirectional",
        "description": "Port D bit 2, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG20."
      },
      {
        "number": "28",
        "name": "PD3",
        "type": "bidirectional",
        "description": "Port D bit 3, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG19."
      },
      {
        "number": "29",
        "name": "PD4",
        "type": "bidirectional",
        "description": "Port D bit 4, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG18."
      },
      {
        "number": "30",
        "name": "PD5",
        "type": "bidirectional",
        "description": "Port D bit 5, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG17."
      },
      {
        "number": "31",
        "name": "PD6",
        "type": "bidirectional",
        "description": "Port D bit 6, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG16."
      },
      {
        "number": "32",
        "name": "PD7",
        "type": "bidirectional",
        "description": "Port D bit 7, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG15."
      },
      {
        "number": "33",
        "name": "PG0",
        "type": "bidirectional",
        "description": "Port G bit 0, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG14."
      },
      {
        "number": "34",
        "name": "PG1",
        "type": "bidirectional",
        "description": "Port G bit 1, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG13."
      },
      {
        "number": "35",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Port C bit 0, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG12."
      },
      {
        "number": "36",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Port C bit 1, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG11."
      },
      {
        "number": "37",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Port C bit 2, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG10."
      },
      {
        "number": "38",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Port C bit 3, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG9."
      },
      {
        "number": "39",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Port C bit 4, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG8."
      },
      {
        "number": "40",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Port C bit 5, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG7."
      },
      {
        "number": "41",
        "name": "PC6",
        "type": "bidirectional",
        "description": "Port C bit 6, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG6."
      },
      {
        "number": "42",
        "name": "PC7",
        "type": "bidirectional",
        "description": "Port C bit 7, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG5."
      },
      {
        "number": "43",
        "name": "PG2",
        "type": "bidirectional",
        "description": "Port G bit 2, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG4."
      },
      {
        "number": "44",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Port A bit 7, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG3."
      },
      {
        "number": "45",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Port A bit 6, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG2."
      },
      {
        "number": "46",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Port A bit 5, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG1."
      },
      {
        "number": "47",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Port A bit 4, a bi-directional I/O pin with selectable internal pull-up, with alternate function SEG0."
      },
      {
        "number": "48",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Port A bit 3, a bi-directional I/O pin with selectable internal pull-up, with alternate function COM3."
      },
      {
        "number": "49",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Port A bit 2, a bi-directional I/O pin with selectable internal pull-up, with alternate function COM2."
      },
      {
        "number": "50",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Port A bit 1, a bi-directional I/O pin with selectable internal pull-up, with alternate function COM1."
      },
      {
        "number": "51",
        "name": "PA0",
        "type": "bidirectional",
        "description": "Port A bit 0, a bi-directional I/O pin with selectable internal pull-up, with alternate function 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",
        "type": "bidirectional",
        "description": "Port F bit 7, an ADC7 analog input that also serves as an I/O pin and as JTAG TDI, with the pull-up activated when JTAG is enabled even during reset."
      },
      {
        "number": "55",
        "name": "PF6",
        "type": "bidirectional",
        "description": "Port F bit 6, an ADC6 analog input that also serves as an I/O pin and as JTAG TDO."
      },
      {
        "number": "56",
        "name": "PF5",
        "type": "bidirectional",
        "description": "Port F bit 5, an ADC5 analog input that also serves as an I/O pin and as JTAG TMS, with the pull-up activated when JTAG is enabled even during reset."
      },
      {
        "number": "57",
        "name": "PF4",
        "type": "bidirectional",
        "description": "Port F bit 4, an ADC4 analog input that also serves as an I/O pin and as JTAG TCK, with the pull-up activated when JTAG is enabled even during reset."
      },
      {
        "number": "58",
        "name": "PF3",
        "type": "bidirectional",
        "description": "Port F bit 3, an ADC3 analog input that also serves as an I/O pin when the A/D converter is not used."
      },
      {
        "number": "59",
        "name": "PF2",
        "type": "bidirectional",
        "description": "Port F bit 2, an ADC2 analog input that also serves as an I/O pin when the A/D converter is not used."
      },
      {
        "number": "60",
        "name": "PF1",
        "type": "bidirectional",
        "description": "Port F bit 1, an ADC1 analog input that also serves as an I/O pin when the A/D converter is not used."
      },
      {
        "number": "61",
        "name": "PF0",
        "type": "bidirectional",
        "description": "Port F bit 0, an ADC0 analog input that also serves as an I/O pin when the A/D converter is not used."
      },
      {
        "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 connected externally 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: This summary datasheet gives no electrical limits (per-pin current, absolute maximum voltages) for t; Pin 63 is labelled GND in the figure, but the 100-pin TQFP uses AGND for the analog ground; the text",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 39,
        "cost_usd": 0.1741,
        "at": "2026-10-27T08:01:52"
      },
      "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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        "checked": "2026-10-27",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TQFP-64(14x14)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    }
  },
  "variants": [],
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  "discovery_pitch": "ATMEGA169PA-AU (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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