ATMEGA64M1-MU

{
  "schema_version": 1,
  "type": "component",
  "slug": "atmega64m1-mu",
  "title": "ATMEGA64M1-MU",
  "brief": "MICROCHIP TECHNOLOGY INC Global Sourcing Parts, VQFN-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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    "global sourcing parts",
    "atmega64m1-mu",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "ATMEGA64M1-MU",
    "manufacturer": "MICROCHIP TECHNOLOGY INC",
    "package": "VQFN-32(7x7)",
    "pin_count": 33,
    "category": "Global Sourcing Parts",
    "subcategory": "Global Sourcing Parts",
    "datasheet": "https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-8209-8-bit%20AVR%20ATmega16M1-32M1-64M1_Summary.pdf",
    "parts": {
      "symbol": "atmega64m1-mu.kicad_sym",
      "footprint": "atmega64m1-mu.kicad_mod",
      "model_3d": "atmega64m1-mu-hero.glb",
      "model_3d_plain": "atmega64m1-mu-etched.glb",
      "model_3d_step": "atmega64m1-mu-etched.step",
      "model_3d_step_plain": "atmega64m1-mu.step",
      "lbr": "atmega64m1-mu.lbr"
    },
    "distributor_links": {
      "lcsc": "C20616960",
      "digikey": "ATMEGA64M1-MU-ND",
      "mouser": "556-ATMEGA64M1-MU"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T06:38:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATMEGA64M1-MU-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-ATMEGA64M1-MU",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PD2",
        "type": "bidirectional",
        "description": "Port D bit 2 I/O with alternate functions OC1A, PSCIN2, MISO_A (programming/alternate SPI MISO) and PCINT18."
      },
      {
        "number": "2",
        "name": "PD3",
        "type": "bidirectional",
        "description": "Port D bit 3 I/O with alternate functions TXD, TXLIN, OC0A, SS, MOSI_A (programming/alternate SPI MOSI) and PCINT19."
      },
      {
        "number": "3",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Port C bit 1 I/O with alternate functions PSCIN1, OC1B, SS_A and PCINT9."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital power supply (operating voltage 2.7V to 5.5V)."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground: 0V 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."
      },
      {
        "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 and PCINT11."
      },
      {
        "number": "8",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Port B bit 0 I/O with alternate functions MISO (SPI), PSCOUT2A and PCINT0."
      },
      {
        "number": "9",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Port B bit 1 I/O with alternate functions MOSI (SPI), PSCOUT2B and PCINT1."
      },
      {
        "number": "10",
        "name": "PE1",
        "type": "bidirectional",
        "description": "Port E bit 1 I/O with alternate functions XTAL1 (oscillator input), OC0B and PCINT25."
      },
      {
        "number": "11",
        "name": "PE2",
        "type": "bidirectional",
        "description": "Port E bit 2 I/O with alternate functions XTAL2 (oscillator output), ADC0 and PCINT26."
      },
      {
        "number": "12",
        "name": "PD4",
        "type": "bidirectional",
        "description": "Port D bit 4 I/O with alternate functions ADC1, RXD, RXLIN, ICP1A, SCK_A (programming/alternate SPI clock) and PCINT20."
      },
      {
        "number": "13",
        "name": "PD5",
        "type": "bidirectional",
        "description": "Port D bit 5 I/O with alternate functions ADC2, ACMP2 (comparator 2 positive input) and PCINT21."
      },
      {
        "number": "14",
        "name": "PD6",
        "type": "bidirectional",
        "description": "Port D bit 6 I/O with alternate functions ADC3, ACMPN2 (comparator 2 negative input), INT0 and PCINT22."
      },
      {
        "number": "15",
        "name": "PD7",
        "type": "bidirectional",
        "description": "Port D bit 7 I/O with alternate functions ACMP0 (comparator 0 positive input) and PCINT23."
      },
      {
        "number": "16",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Port B bit 2 I/O with alternate functions ADC5, INT1, ACMPN0 (comparator 0 negative input) and PCINT2."
      },
      {
        "number": "17",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Port C bit 4 I/O with alternate functions ADC8, AMP1- (differential amplifier 1 negative input), ACMPN3 and PCINT12."
      },
      {
        "number": "18",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Port C bit 5 I/O with alternate functions ADC9, AMP1+ (differential amplifier 1 positive input), ACMP3 and PCINT13."
      },
      {
        "number": "19",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog power supply for the A/D converter, D/A converter and current source; must be connected to VCC even if ADC/DAC are unused, through a low-pass filter if the ADC is used."
      },
      {
        "number": "20",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground: 0V reference for the analog part."
      },
      {
        "number": "21",
        "name": "AREF",
        "type": "power_in",
        "description": "Analog reference voltage of the A/D converter; as output it can be used by external analog circuitry (ISRC current source output)."
      },
      {
        "number": "22",
        "name": "PC6",
        "type": "bidirectional",
        "description": "Port C bit 6 I/O with alternate functions ADC10, ACMP1 (comparator 1 positive input) and PCINT14."
      },
      {
        "number": "23",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Port B bit 3 I/O with alternate functions AMP0- (differential amplifier 0 negative input) and PCINT3."
      },
      {
        "number": "24",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Port B bit 4 I/O with alternate functions AMP0+ (differential amplifier 0 positive input) and PCINT4."
      },
      {
        "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."
      },
      {
        "number": "26",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Port B bit 5 I/O with alternate functions ADC6, INT2, ACMPN1, AMP2- and PCINT5."
      },
      {
        "number": "27",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Port B bit 6 I/O with alternate functions ADC7, PSCOUT1B and PCINT6."
      },
      {
        "number": "28",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Port B bit 7 I/O with alternate functions ADC4, PSCOUT0B, SCK (SPI clock) and PCINT7."
      },
      {
        "number": "29",
        "name": "PD0",
        "type": "bidirectional",
        "description": "Port D bit 0 I/O with alternate functions PSCOUT0A and PCINT16."
      },
      {
        "number": "30",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Port C bit 0 I/O with alternate functions PSCOUT1A, INT3 and PCINT8."
      },
      {
        "number": "31",
        "name": "PE0",
        "type": "bidirectional",
        "description": "Port E bit 0, I/O or input; RESET input (low pulse longer than minimum generates reset) unless RSTDISBL fuse is programmed, also OCD (on-chip debug) and PCINT24."
      },
      {
        "number": "32",
        "name": "PD1",
        "type": "bidirectional",
        "description": "Port D bit 1 I/O with alternate functions PSCIN0, CLKO (system clock output) and PCINT17."
      },
      {
        "number": "33",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The -MU ordering code maps to package PV (32-lead 7x7 QFN). The datasheet text does not describe an ; AREF is listed as type 'Power' in the datasheet, and it can also be an output (ISRC current source).; The datasheet pin table gives PB6 alternate PSCOUT1B as '(PSC Module 1 Output A)', which looks like "
        ],
        "pages_sent": 18,
        "cost_usd": 0.1705,
        "at": "2026-10-31T06:37:56"
      },
      "datasheet": {
        "url": "https://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-8209-8-bit%20AVR%20ATmega16M1-32M1-64M1_Summary.pdf",
        "pages": 18,
        "sha256": "dc674c6bd1b9753c",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "afe831be98fa088656575ced69678652cfeb02016fd78294648a04f826511f74",
        "checked": "2026-10-31",
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        "file": "atmega64m1-mu-etched.step",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "MICROCHIP TECHNOLOGY INC",
      "Package": "VQFN-32(7x7)",
      "Category": "Global Sourcing Parts",
      "Pins": "33"
    },
    "characteristics": {
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          "conditions": "Power supply",
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        {
          "name": "Operating temperature",
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          "unit": "°C",
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          "max": 85,
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        {
          "name": "Speed",
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          "conditions": "Ordering table, 2.7 - 5.5V",
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        {
          "name": "Current source",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
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          "conditions": "100μA current source (LIN node identification)",
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  "discovery_pitch": "ATMEGA64M1-MU (MICROCHIP TECHNOLOGY INC) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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