ATMEGA64M1-AU

{
  "schema_version": 1,
  "type": "component",
  "slug": "atmega64m1-au",
  "title": "ATMEGA64M1-AU",
  "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",
    "atmega64m1-au",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATMEGA64M1-AU",
    "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/8588923097440903168",
    "parts": {
      "symbol": "atmega64m1-au.kicad_sym",
      "footprint": "atmega64m1-au.kicad_mod",
      "model_3d": "atmega64m1-au-hero.glb",
      "model_3d_plain": "atmega64m1-au-etched.glb",
      "model_3d_step": "atmega64m1-au-etched.step",
      "model_3d_step_plain": "atmega64m1-au.step",
      "lbr": "atmega64m1-au.lbr"
    },
    "distributor_links": {
      "lcsc": "C1337210",
      "digikey": "ATMEGA64M1-AU-ND",
      "mouser": "556-ATMEGA64M1-AU"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T23:43:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATMEGA64M1-AU-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-ATMEGA64M1-AU",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PD2",
        "type": "bidirectional",
        "description": "Port D bit 2 I/O with alternate functions OC1A (Timer 1 output compare A), PSCIN2 (PSC digital input 2), MISO_A (programming and alternate SPI master in/slave out) and PCINT18 (pin change interrupt 18)."
      },
      {
        "number": "2",
        "name": "PD3",
        "type": "bidirectional",
        "description": "Port D bit 3 I/O with alternate functions TXD (UART Tx data), TXLIN (LIN transmit output), OC0A (Timer 0 output compare A), SS (SPI slave select), MOSI_A (programming and alternate SPI master out/slave in) and PCINT19 (pin change interrupt 19)."
      },
      {
        "number": "3",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Port C bit 1 I/O with alternate functions PSCIN1 (PSC digital input 1), OC1B (Timer 1 output compare B), SS_A (alternate SPI slave select) and PCINT9 (pin change interrupt 9)."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply for the digital part of the device."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground: 0 V reference."
      },
      {
        "number": "6",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Port C bit 2 I/O with alternate functions T0 (Timer 0 clock input), TXCAN (CAN transmit output) and PCINT10 (pin change interrupt 10)."
      },
      {
        "number": "7",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Port C bit 3 I/O with alternate functions T1 (Timer 1 clock input), RXCAN (CAN receive input), ICP1B (Timer 1 alternate input capture B) and PCINT11 (pin change interrupt 11)."
      },
      {
        "number": "8",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Port B bit 0 I/O with alternate functions MISO (SPI master in/slave out), PSCOUT2A (PSC module 2 output A) and PCINT0 (pin change interrupt 0)."
      },
      {
        "number": "9",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Port B bit 1 I/O with alternate functions MOSI (SPI master out/slave in), PSCOUT2B (PSC module 2 output B) and PCINT1 (pin change interrupt 1)."
      },
      {
        "number": "10",
        "name": "PE1",
        "type": "bidirectional",
        "description": "Port E bit 1 I/O which, depending on clock fuse settings, is the XTAL1 input to the inverting oscillator amplifier, with alternate functions OC0B (Timer 0 output compare B) and PCINT25 (pin change interrupt 25)."
      },
      {
        "number": "11",
        "name": "PE2",
        "type": "bidirectional",
        "description": "Port E bit 2 I/O which, depending on clock fuse settings, is the XTAL2 output of the inverting oscillator amplifier, with alternate functions ADC0 (analog input channel 0) and PCINT26 (pin change interrupt 26)."
      },
      {
        "number": "12",
        "name": "PD4",
        "type": "bidirectional",
        "description": "Port D bit 4 I/O with alternate functions ADC1 (analog input channel 1), RXD (UART Rx data), RXLIN (LIN receive input), ICP1A (Timer 1 input capture alternate A), SCK_A (programming and alternate SPI clock) and PCINT20 (pin change interrupt 20)."
      },
      {
        "number": "13",
        "name": "PD5",
        "type": "bidirectional",
        "description": "Port D bit 5 I/O with alternate functions ADC2 (analog input channel 2), ACMP2 (analog comparator 2 positive input) and PCINT21 (pin change interrupt 21)."
      },
      {
        "number": "14",
        "name": "PD6",
        "type": "bidirectional",
        "description": "Port D bit 6 I/O with alternate functions ADC3 (analog input channel 3), ACMPN2 (analog comparator 2 negative input), INT0 (external interrupt 0 input) and PCINT22 (pin change interrupt 22)."
      },
      {
        "number": "15",
        "name": "PD7",
        "type": "bidirectional",
        "description": "Port D bit 7 I/O with alternate functions ACMP0 (analog comparator 0 positive input) and PCINT23 (pin change interrupt 23)."
      },
      {
        "number": "16",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Port B bit 2 I/O with alternate functions ADC5 (analog input channel 5), INT1 (external interrupt 1 input), ACMPN0 (analog comparator 0 negative input) and PCINT2 (pin change interrupt 2)."
      },
      {
        "number": "17",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Port C bit 4 I/O with alternate functions ADC8 (analog input channel 8), AMP1- (differential amplifier 1 negative input), ACMPN3 (analog comparator 3 negative input) and PCINT12 (pin change interrupt 12)."
      },
      {
        "number": "18",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Port C bit 5 I/O with alternate functions ADC9 (analog input channel 9), AMP1+ (differential amplifier 1 positive input), ACMP3 (analog comparator 3 positive input) and PCINT13 (pin change interrupt 13)."
      },
      {
        "number": "19",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog power supply for the ADC, DAC and current source; it must be externally connected to VCC even when ADC/DAC are unused, and through a low-pass filter if the ADC is used."
      },
      {
        "number": "20",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground: 0 V reference for the analog part."
      },
      {
        "number": "21",
        "name": "AREF",
        "type": "power_in",
        "description": "Analog reference for the A/D converter; it can also be used as an output to supply external analog circuits, shared with the ISRC current source output."
      },
      {
        "number": "22",
        "name": "PC6",
        "type": "bidirectional",
        "description": "Port C bit 6 I/O with alternate functions ADC10 (analog input channel 10), ACMP1 (analog comparator 1 positive input) and PCINT14 (pin change interrupt 14)."
      },
      {
        "number": "23",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Port B bit 3 I/O with alternate functions AMP0- (differential amplifier 0 negative input) and PCINT3 (pin change interrupt 3)."
      },
      {
        "number": "24",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Port B bit 4 I/O with alternate functions AMP0+ (differential amplifier 0 positive input) and PCINT4 (pin change interrupt 4)."
      },
      {
        "number": "25",
        "name": "PC7",
        "type": "bidirectional",
        "description": "Port C bit 7 I/O with alternate functions D2A (DAC output), AMP2+ (differential amplifier 2 positive input) and PCINT15 (pin change interrupt 15)."
      },
      {
        "number": "26",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Port B bit 5 I/O with alternate functions ADC6 (analog input channel 6), INT2 (external interrupt 2 input), ACMPN1 (analog comparator 1 negative input), AMP2- (differential amplifier 2 negative input) and PCINT5 (pin change interrupt 5)."
      },
      {
        "number": "27",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Port B bit 6 I/O with alternate functions ADC7 (analog input channel 7), PSCOUT1B (PSC module 1 output B) and PCINT6 (pin change interrupt 6)."
      },
      {
        "number": "28",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Port B bit 7 I/O with alternate functions ADC4 (analog input channel 4), PSCOUT0B (PSC module 0 output B), SCK (SPI clock) and PCINT7 (pin change interrupt 7)."
      },
      {
        "number": "29",
        "name": "PD0",
        "type": "bidirectional",
        "description": "Port D bit 0 I/O with alternate functions PSCOUT0A (PSC module 0 output A) and PCINT16 (pin change interrupt 16)."
      },
      {
        "number": "30",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Port C bit 0 I/O with alternate functions PSCOUT1A (PSC module 1 output A), INT3 (external interrupt 3 input) and PCINT8 (pin change interrupt 8)."
      },
      {
        "number": "31",
        "name": "PE0",
        "type": "bidirectional",
        "description": "Port E bit 0 I/O (or RESET input when the RSTDISBL fuse is unprogrammed, where a low level longer than the minimum pulse length generates a reset), with alternate functions OCD (on-chip debug I/O) and PCINT24 (pin change interrupt 24)."
      },
      {
        "number": "32",
        "name": "PD1",
        "type": "bidirectional",
        "description": "Port D bit 1 I/O with alternate functions PSCIN0 (PSC digital input 0), CLKO (system clock output) and PCINT17 (pin change interrupt 17)."
      }
    ],
    "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: Pin numbers are taken from the 'QFN32 pin number' column of Table 1-1 (pages 5-8). Figure 1-1 (page ; Ordering information (page 9) lists ATmega64M1-AU as the 32A 32-lead TQFP variant, which matches the; PE0 (pin 31) is listed as 'I/O or I' in the table; it is typed as bidirectional. The datasheet notes"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0924,
        "at": "2026-10-20T23:40:49"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588923097440903168",
        "pages": 18,
        "sha256": "e230b2bdd3e1a229",
        "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"
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "53431be61c684e9d923915676a90cb08050c23ee3f834d76a77a3b19b41422f1",
        "checked": "2026-10-20",
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      },
      {
        "file": "atmega64m1-au-etched.step",
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        "sha256": "4e188e2511fbb229ea3571acd991001f74ce697e0a39556bfd45f03cced23dcb",
        "checked": "2026-10-20",
        "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": "e230b2bdd3e1a229675a4661af3887c71512854bfd3a9263a6380407d7d0c89a",
      "rows": [
        {
          "name": "Operating voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
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          "max": 5.5,
          "conditions": "Operating voltage",
          "source_page": 2,
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        {
          "name": "Core speed grade",
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          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 8,
          "conditions": "@ 2.7 - 4.5V",
          "source_page": 2,
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          "kind": "recommended_operating",
          "unit": "MHz",
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        {
          "name": "Extended operating temperature",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Current source tolerance (LIN node identification)",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "100μA current source",
          "source_page": 2,
          "source": "datasheet"
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  },
  "variants": [],
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  "discovery_triggers": [
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  "discovery_pitch": "ATMEGA64M1-AU (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}