ATMEGA640-16AUR

{
  "schema_version": 1,
  "type": "component",
  "slug": "atmega640-16aur",
  "title": "ATMEGA640-16AUR",
  "brief": "Microchip Tech Microcontrollers (MCU/MPU/SOC), TQFP-100(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",
    "atmega640-16aur",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATMEGA640-16AUR",
    "manufacturer": "Microchip Tech",
    "package": "TQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589922338281328640",
    "parts": {
      "symbol": "atmega640-16aur.kicad_sym",
      "footprint": "atmega640-16aur.kicad_mod",
      "model_3d": "atmega640-16aur-hero.glb",
      "model_3d_plain": "atmega640-16aur-etched.glb",
      "model_3d_step": "atmega640-16aur-etched.step",
      "model_3d_step_plain": "atmega640-16aur.step",
      "lbr": "atmega640-16aur.lbr"
    },
    "distributor_links": {
      "lcsc": "C2053609",
      "digikey": "ATMEGA640-16AURTR-ND",
      "mouser": "556-ATMEGA640-16AUR"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T18:29:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATMEGA640-16AURTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-ATMEGA640-16AUR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PG5",
        "type": "bidirectional",
        "description": "Port G bit 5 I/O with internal pull-up; alternate function OC0B (Timer/Counter0 output compare B / PWM)."
      },
      {
        "number": "2",
        "name": "PE0",
        "type": "bidirectional",
        "description": "Port E bit 0 I/O with internal pull-up; alternate functions RXD0 (USART0 receive) and PCINT8."
      },
      {
        "number": "3",
        "name": "PE1",
        "type": "bidirectional",
        "description": "Port E bit 1 I/O with internal pull-up; alternate function TXD0 (USART0 transmit)."
      },
      {
        "number": "4",
        "name": "PE2",
        "type": "bidirectional",
        "description": "Port E bit 2 I/O with internal pull-up; alternate functions XCK0 (USART0 external clock) and AIN0 (analog comparator input)."
      },
      {
        "number": "5",
        "name": "PE3",
        "type": "bidirectional",
        "description": "Port E bit 3 I/O with internal pull-up; alternate functions OC3A (Timer3 output compare A) and AIN1."
      },
      {
        "number": "6",
        "name": "PE4",
        "type": "bidirectional",
        "description": "Port E bit 4 I/O with internal pull-up; alternate functions OC3B and INT4 external interrupt."
      },
      {
        "number": "7",
        "name": "PE5",
        "type": "bidirectional",
        "description": "Port E bit 5 I/O with internal pull-up; alternate functions OC3C and INT5 external interrupt."
      },
      {
        "number": "8",
        "name": "PE6",
        "type": "bidirectional",
        "description": "Port E bit 6 I/O with internal pull-up; alternate functions T3 (Timer3 clock input) and INT6 external interrupt."
      },
      {
        "number": "9",
        "name": "PE7",
        "type": "bidirectional",
        "description": "Port E bit 7 I/O with internal pull-up; alternate functions CLKO (system clock output), ICP3 and INT7."
      },
      {
        "number": "10",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply voltage."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "12",
        "name": "PH0",
        "type": "bidirectional",
        "description": "Port H bit 0 I/O with internal pull-up; alternate function RXD2 (USART2 receive)."
      },
      {
        "number": "13",
        "name": "PH1",
        "type": "bidirectional",
        "description": "Port H bit 1 I/O with internal pull-up; alternate function TXD2 (USART2 transmit)."
      },
      {
        "number": "14",
        "name": "PH2",
        "type": "bidirectional",
        "description": "Port H bit 2 I/O with internal pull-up; alternate function XCK2 (USART2 external clock)."
      },
      {
        "number": "15",
        "name": "PH3",
        "type": "bidirectional",
        "description": "Port H bit 3 I/O with internal pull-up; alternate function OC4A (Timer4 output compare A)."
      },
      {
        "number": "16",
        "name": "PH4",
        "type": "bidirectional",
        "description": "Port H bit 4 I/O with internal pull-up; alternate function OC4B (Timer4 output compare B)."
      },
      {
        "number": "17",
        "name": "PH5",
        "type": "bidirectional",
        "description": "Port H bit 5 I/O with internal pull-up; alternate function OC4C (Timer4 output compare C)."
      },
      {
        "number": "18",
        "name": "PH6",
        "type": "bidirectional",
        "description": "Port H bit 6 I/O with internal pull-up; alternate function OC2B (Timer2 output compare B)."
      },
      {
        "number": "19",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Port B bit 0 I/O with internal pull-up; alternate functions SS (SPI slave select input) and PCINT0."
      },
      {
        "number": "20",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Port B bit 1 I/O with internal pull-up; alternate functions SCK (SPI clock) and PCINT1."
      },
      {
        "number": "21",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Port B bit 2 I/O with internal pull-up; alternate functions MOSI (SPI) and PCINT2."
      },
      {
        "number": "22",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Port B bit 3 I/O with internal pull-up; alternate functions MISO (SPI) and PCINT3."
      },
      {
        "number": "23",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Port B bit 4 I/O with internal pull-up; alternate functions OC2A (Timer2 output compare A) and PCINT4."
      },
      {
        "number": "24",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Port B bit 5 I/O with internal pull-up; alternate functions OC1A (Timer1 output compare A) and PCINT5."
      },
      {
        "number": "25",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Port B bit 6 I/O with internal pull-up; alternate functions OC1B (Timer1 output compare B) and PCINT6."
      },
      {
        "number": "26",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Port B bit 7 I/O with internal pull-up; alternate functions OC0A, OC1C and PCINT7."
      },
      {
        "number": "27",
        "name": "PH7",
        "type": "bidirectional",
        "description": "Port H bit 7 I/O with internal pull-up; alternate function T4 (Timer4 clock input)."
      },
      {
        "number": "28",
        "name": "PG3",
        "type": "bidirectional",
        "description": "Port G bit 3 I/O with internal pull-up; alternate function TOSC2 (Timer/Counter2 oscillator output)."
      },
      {
        "number": "29",
        "name": "PG4",
        "type": "bidirectional",
        "description": "Port G bit 4 I/O with internal pull-up; alternate function TOSC1 (Timer/Counter2 oscillator input)."
      },
      {
        "number": "30",
        "name": "RESET",
        "type": "input",
        "description": "Active-low reset input."
      },
      {
        "number": "31",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply voltage."
      },
      {
        "number": "32",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "33",
        "name": "XTAL2",
        "type": "output",
        "description": "Output of the inverting oscillator amplifier (crystal/resonator connection)."
      },
      {
        "number": "34",
        "name": "XTAL1",
        "type": "input",
        "description": "Input to the inverting oscillator amplifier and internal clock circuit (crystal or external clock)."
      },
      {
        "number": "35",
        "name": "PL0",
        "type": "bidirectional",
        "description": "Port L bit 0 I/O with internal pull-up; alternate function ICP4 (Timer4 input capture)."
      },
      {
        "number": "36",
        "name": "PL1",
        "type": "bidirectional",
        "description": "Port L bit 1 I/O with internal pull-up; alternate function ICP5 (Timer5 input capture)."
      },
      {
        "number": "37",
        "name": "PL2",
        "type": "bidirectional",
        "description": "Port L bit 2 I/O with internal pull-up; alternate function T5 (Timer5 clock input)."
      },
      {
        "number": "38",
        "name": "PL3",
        "type": "bidirectional",
        "description": "Port L bit 3 I/O with internal pull-up; alternate function OC5A (Timer5 output compare A)."
      },
      {
        "number": "39",
        "name": "PL4",
        "type": "bidirectional",
        "description": "Port L bit 4 I/O with internal pull-up; alternate function OC5B (Timer5 output compare B)."
      },
      {
        "number": "40",
        "name": "PL5",
        "type": "bidirectional",
        "description": "Port L bit 5 I/O with internal pull-up; alternate function OC5C (Timer5 output compare C)."
      },
      {
        "number": "41",
        "name": "PL6",
        "type": "bidirectional",
        "description": "Port L bit 6 general-purpose I/O with internal pull-up; no alternate function listed."
      },
      {
        "number": "42",
        "name": "PL7",
        "type": "bidirectional",
        "description": "Port L bit 7 general-purpose I/O with internal pull-up; no alternate function listed."
      },
      {
        "number": "43",
        "name": "PD0",
        "type": "bidirectional",
        "description": "Port D bit 0 I/O with internal pull-up; alternate functions SCL (TWI clock) and INT0."
      },
      {
        "number": "44",
        "name": "PD1",
        "type": "bidirectional",
        "description": "Port D bit 1 I/O with internal pull-up; alternate functions SDA (TWI data) and INT1."
      },
      {
        "number": "45",
        "name": "PD2",
        "type": "bidirectional",
        "description": "Port D bit 2 I/O with internal pull-up; alternate functions RXD1 (USART1 receive) and INT2."
      },
      {
        "number": "46",
        "name": "PD3",
        "type": "bidirectional",
        "description": "Port D bit 3 I/O with internal pull-up; alternate functions TXD1 (USART1 transmit) and INT3."
      },
      {
        "number": "47",
        "name": "PD4",
        "type": "bidirectional",
        "description": "Port D bit 4 I/O with internal pull-up; alternate function ICP1 (Timer1 input capture)."
      },
      {
        "number": "48",
        "name": "PD5",
        "type": "bidirectional",
        "description": "Port D bit 5 I/O with internal pull-up; alternate function XCK1 (USART1 external clock)."
      },
      {
        "number": "49",
        "name": "PD6",
        "type": "bidirectional",
        "description": "Port D bit 6 I/O with internal pull-up; alternate function T1 (Timer1 clock input)."
      },
      {
        "number": "50",
        "name": "PD7",
        "type": "bidirectional",
        "description": "Port D bit 7 I/O with internal pull-up; alternate function T0 (Timer0 clock input)."
      },
      {
        "number": "51",
        "name": "PG0",
        "type": "bidirectional",
        "description": "Port G bit 0 I/O with internal pull-up; alternate function WR (external memory write strobe)."
      },
      {
        "number": "52",
        "name": "PG1",
        "type": "bidirectional",
        "description": "Port G bit 1 I/O with internal pull-up; alternate function RD (external memory read strobe)."
      },
      {
        "number": "53",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Port C bit 0 I/O with internal pull-up; alternate function A8 (external memory address)."
      },
      {
        "number": "54",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Port C bit 1 I/O with internal pull-up; alternate function A9 (external memory address)."
      },
      {
        "number": "55",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Port C bit 2 I/O with internal pull-up; alternate function A10 (external memory address)."
      },
      {
        "number": "56",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Port C bit 3 I/O with internal pull-up; alternate function A11 (external memory address)."
      },
      {
        "number": "57",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Port C bit 4 I/O with internal pull-up; alternate function A12 (external memory address)."
      },
      {
        "number": "58",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Port C bit 5 I/O with internal pull-up; alternate function A13 (external memory address)."
      },
      {
        "number": "59",
        "name": "PC6",
        "type": "bidirectional",
        "description": "Port C bit 6 I/O with internal pull-up; alternate function A14 (external memory address)."
      },
      {
        "number": "60",
        "name": "PC7",
        "type": "bidirectional",
        "description": "Port C bit 7 I/O with internal pull-up; alternate function A15 (external memory address)."
      },
      {
        "number": "61",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply voltage."
      },
      {
        "number": "62",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "63",
        "name": "PJ0",
        "type": "bidirectional",
        "description": "Port J bit 0 I/O with internal pull-up; alternate functions RXD3 (USART3 receive) and PCINT9."
      },
      {
        "number": "64",
        "name": "PJ1",
        "type": "bidirectional",
        "description": "Port J bit 1 I/O with internal pull-up; alternate functions TXD3 (USART3 transmit) and PCINT10."
      },
      {
        "number": "65",
        "name": "PJ2",
        "type": "bidirectional",
        "description": "Port J bit 2 I/O with internal pull-up; alternate functions XCK3 (USART3 external clock) and PCINT11."
      },
      {
        "number": "66",
        "name": "PJ3",
        "type": "bidirectional",
        "description": "Port J bit 3 I/O with internal pull-up; alternate function PCINT12."
      },
      {
        "number": "67",
        "name": "PJ4",
        "type": "bidirectional",
        "description": "Port J bit 4 I/O with internal pull-up; alternate function PCINT13."
      },
      {
        "number": "68",
        "name": "PJ5",
        "type": "bidirectional",
        "description": "Port J bit 5 I/O with internal pull-up; alternate function PCINT14."
      },
      {
        "number": "69",
        "name": "PJ6",
        "type": "bidirectional",
        "description": "Port J bit 6 I/O with internal pull-up; alternate function PCINT15."
      },
      {
        "number": "70",
        "name": "PG2",
        "type": "bidirectional",
        "description": "Port G bit 2 I/O with internal pull-up; alternate function ALE (external memory address latch enable)."
      },
      {
        "number": "71",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Port A bit 7 I/O with internal pull-up; alternate function AD7 (external memory address/data bit 7)."
      },
      {
        "number": "72",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Port A bit 6 I/O with internal pull-up; alternate function AD6 (external memory address/data bit 6)."
      },
      {
        "number": "73",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Port A bit 5 I/O with internal pull-up; alternate function AD5 (external memory address/data bit 5)."
      },
      {
        "number": "74",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Port A bit 4 I/O with internal pull-up; alternate function AD4 (external memory address/data bit 4)."
      },
      {
        "number": "75",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Port A bit 3 I/O with internal pull-up; alternate function AD3 (external memory address/data bit 3)."
      },
      {
        "number": "76",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Port A bit 2 I/O with internal pull-up; alternate function AD2 (external memory address/data bit 2)."
      },
      {
        "number": "77",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Port A bit 1 I/O with internal pull-up; alternate function AD1 (external memory address/data bit 1)."
      },
      {
        "number": "78",
        "name": "PA0",
        "type": "bidirectional",
        "description": "Port A bit 0 I/O with internal pull-up; alternate function AD0 (external memory address/data bit 0)."
      },
      {
        "number": "79",
        "name": "PJ7",
        "type": "bidirectional",
        "description": "Port J bit 7 general-purpose I/O with internal pull-up; no alternate function listed."
      },
      {
        "number": "80",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply voltage."
      },
      {
        "number": "81",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "82",
        "name": "PK7",
        "type": "bidirectional",
        "description": "Port K bit 7 I/O; alternate functions ADC15 (ADC input channel 15) and PCINT23."
      },
      {
        "number": "83",
        "name": "PK6",
        "type": "bidirectional",
        "description": "Port K bit 6 I/O; alternate functions ADC14 (ADC input channel 14) and PCINT22."
      },
      {
        "number": "84",
        "name": "PK5",
        "type": "bidirectional",
        "description": "Port K bit 5 I/O; alternate functions ADC13 (ADC input channel 13) and PCINT21."
      },
      {
        "number": "85",
        "name": "PK4",
        "type": "bidirectional",
        "description": "Port K bit 4 I/O; alternate functions ADC12 (ADC input channel 12) and PCINT20."
      },
      {
        "number": "86",
        "name": "PK3",
        "type": "bidirectional",
        "description": "Port K bit 3 I/O; alternate functions ADC11 (ADC input channel 11) and PCINT19."
      },
      {
        "number": "87",
        "name": "PK2",
        "type": "bidirectional",
        "description": "Port K bit 2 I/O; alternate functions ADC10 (ADC input channel 10) and PCINT18."
      },
      {
        "number": "88",
        "name": "PK1",
        "type": "bidirectional",
        "description": "Port K bit 1 I/O; alternate functions ADC9 (ADC input channel 9) and PCINT17."
      },
      {
        "number": "89",
        "name": "PK0",
        "type": "bidirectional",
        "description": "Port K bit 0 I/O; alternate functions ADC8 (ADC input channel 8) and PCINT16."
      },
      {
        "number": "90",
        "name": "PF7",
        "type": "bidirectional",
        "description": "Port F bit 7; ADC7 analog input channel 7 and JTAG TDI (test data in)."
      },
      {
        "number": "91",
        "name": "PF6",
        "type": "bidirectional",
        "description": "Port F bit 6; ADC6 analog input channel 6 and JTAG TDO (test data out)."
      },
      {
        "number": "92",
        "name": "PF5",
        "type": "bidirectional",
        "description": "Port F bit 5; ADC5 analog input channel 5 and JTAG TMS (test mode select)."
      },
      {
        "number": "93",
        "name": "PF4",
        "type": "bidirectional",
        "description": "Port F bit 4; ADC4 analog input channel 4 and JTAG TCK (test clock)."
      },
      {
        "number": "94",
        "name": "PF3",
        "type": "bidirectional",
        "description": "Port F bit 3; ADC3 analog input channel 3."
      },
      {
        "number": "95",
        "name": "PF2",
        "type": "bidirectional",
        "description": "Port F bit 2; ADC2 analog input channel 2."
      },
      {
        "number": "96",
        "name": "PF1",
        "type": "bidirectional",
        "description": "Port F bit 1; ADC1 analog input channel 1."
      },
      {
        "number": "97",
        "name": "PF0",
        "type": "bidirectional",
        "description": "Port F bit 0; ADC0 analog input channel 0."
      },
      {
        "number": "98",
        "name": "AREF",
        "type": "input",
        "description": "Analog reference pin for the A/D converter."
      },
      {
        "number": "99",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "100",
        "name": "AVCC",
        "type": "power_in",
        "description": "Supply voltage pin for the A/D converter and Port F."
      }
    ],
    "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: Page 2 pinout figure is the 100-lead TQFP; the ordering table (p407) was not provided in the text, s; AVCC description is inferred from the datasheet's general ADC context (Fig. 30-1 and the PF/ADC sect",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 77,
        "cost_usd": 1.1591,
        "at": "2026-10-20T18:26:59"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589922338281328640",
        "pages": 436,
        "sha256": "978a018098bc1a13",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 100,
        "described": 100,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "atmega640-16aur.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "99d530be126138ea024746562f1110203db0273456e99932e7e1930dc9f5fba5",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atmega640-16aur-etched.step",
        "role": "eda",
        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
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