AT90PWM2-16SQ

{
  "slug": "at90pwm2-16sq",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Pre-ordered MCUs, SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "at90pwm2-16sq",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at90pwm2-16sq.kicad_sym",
    "at90pwm2-16sq.kicad_mod",
    "at90pwm2-16sq.glb",
    "at90pwm2-16sq.step",
    "at90pwm2-16sq.lbr",
    "docs/hero.png",
    "docs/at90pwm2-16sq-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at90pwm2-16sq-hero.glb",
    "at90pwm2-16sq-hero.overlay.json",
    "at90pwm2-16sq-etched.glb"
  ],
  "component": {
    "mpn": "AT90PWM2-16SQ",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-24-300mil",
    "pin_count": 24,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/fcb6e4c88bed66bd7529e849d08ef244.pdf",
    "parts": {
      "symbol": "at90pwm2-16sq.kicad_sym",
      "footprint": "at90pwm2-16sq.kicad_mod",
      "model_3d": "at90pwm2-16sq-hero.glb",
      "model_3d_plain": "at90pwm2-16sq-etched.glb",
      "model_3d_step": "at90pwm2-16sq-etched.step",
      "model_3d_step_plain": "at90pwm2-16sq.step",
      "lbr": "at90pwm2-16sq.lbr"
    },
    "distributor_links": {
      "lcsc": "C609675",
      "digikey": "AT90PWM2-16SQ-ND",
      "mouser": "556-AT90PWM2-16SQ"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T22:19:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AT90PWM2-16SQ-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-AT90PWM2-16SQ",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PD0",
        "type": "bidirectional",
        "description": "Port D bit 0 with internal pull-up; alternate functions are PSCOUT00 output, XCK (UART transfer clock) and SS_A (alternate SPI slave select)."
      },
      {
        "number": "2",
        "name": "PE0",
        "type": "bidirectional",
        "description": "Port E bit 0 used as RESET input when the RSTDISBL fuse is unprogrammed (a low level longer than the minimum pulse length in Table 9-1 generates a reset, shorter pulses are not guaranteed) or as an I/O pin when RSTDISBL is programmed; also OCD on-chip debug I/O."
      },
      {
        "number": "3",
        "name": "PD1",
        "type": "bidirectional",
        "description": "Port D bit 1 with internal pull-up; alternate functions are PSCIN0 (PSC 0 digital input) and CLKO (system clock output)."
      },
      {
        "number": "4",
        "name": "PD2",
        "type": "bidirectional",
        "description": "Port D bit 2 with internal pull-up; alternate functions are PSCIN2 (PSC 2 digital input), OC1A (Timer 1 output compare A) and MISO_A (programming and alternate SPI master in/slave out)."
      },
      {
        "number": "5",
        "name": "PD3",
        "type": "bidirectional",
        "description": "Port D bit 3 with internal pull-up; alternate functions are TXD (DALI/UART Tx data), OC0A (Timer 0 output compare A), SS (SPI slave select) and MOSI_A (programming and alternate SPI master out/slave in)."
      },
      {
        "number": "6",
        "name": "VCC",
        "type": "power_in",
        "description": "Digital supply voltage (2.7 V to 5.5 V operating voltage per the summary)."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, 0 V reference."
      },
      {
        "number": "8",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Port B bit 0 with internal pull-up; alternate functions are MISO (SPI master in slave out) and PSCOUT20 output."
      },
      {
        "number": "9",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Port B bit 1 with internal pull-up; alternate functions are MOSI (SPI master out slave in) and PSCOUT21 output."
      },
      {
        "number": "10",
        "name": "PE1",
        "type": "bidirectional",
        "description": "Port E bit 1; depending on the clock selection fuse settings it is the input to the inverting oscillator amplifier and the internal clock operating circuit (XTAL1), and it also serves as OC0B (Timer 0 output compare B)."
      },
      {
        "number": "11",
        "name": "PE2",
        "type": "bidirectional",
        "description": "Port E bit 2; depending on the clock selection fuse settings it is the output of the inverting oscillator amplifier (XTAL2), and it also serves as ADC0 analog input channel 0."
      },
      {
        "number": "12",
        "name": "PD4",
        "type": "bidirectional",
        "description": "Port D bit 4 with internal pull-up; alternate functions are ADC1 (analog input channel 1), RXD (DALI/UART Rx data), ICP1A (Timer 1 input capture) and SCK_A (programming and alternate SPI clock)."
      },
      {
        "number": "13",
        "name": "PD5",
        "type": "bidirectional",
        "description": "Port D bit 5 with internal pull-up; alternate functions are ADC2 (analog input channel 2) and ACMP2 (analog comparator 2 positive input)."
      },
      {
        "number": "14",
        "name": "PD6",
        "type": "bidirectional",
        "description": "Port D bit 6 with internal pull-up; alternate functions are ADC3 (analog input channel 3), ACMPM (reference for analog comparators) and INT0 (external interrupt 0)."
      },
      {
        "number": "15",
        "name": "PD7",
        "type": "bidirectional",
        "description": "Port D bit 7 with internal pull-up; alternate function is ACMP0 (analog comparator 0 positive input)."
      },
      {
        "number": "16",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Port B bit 2 with internal pull-up; alternate functions are ADC5 (analog input channel 5) and INT1 (external interrupt 1)."
      },
      {
        "number": "17",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog supply voltage for the A/D converter; it must be connected to VCC even if the ADC is not used, and through a low-pass filter if the ADC is used."
      },
      {
        "number": "18",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground, 0 V reference for the analog part."
      },
      {
        "number": "19",
        "name": "AREF",
        "type": "passive",
        "description": "Analog reference for the A/D converter (reference voltage of the ADC); as an output it can be used by external analog circuitry."
      },
      {
        "number": "20",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Port B bit 3 with internal pull-up; alternate function is AMP0- (analog differential amplifier 0 negative input channel)."
      },
      {
        "number": "21",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Port B bit 4 with internal pull-up; alternate function is AMP0+ (analog differential amplifier 0 positive input channel)."
      },
      {
        "number": "22",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Port B bit 5 with internal pull-up; alternate functions are ADC6 (analog input channel 6) and INT2 (external interrupt 2)."
      },
      {
        "number": "23",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Port B bit 6 with internal pull-up; alternate functions are ADC7 (analog input channel 7) and ICP1B (Timer 1 alternate input capture); the PSCOUT11 output listed for this pin is not present on the 24-pin package."
      },
      {
        "number": "24",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Port B bit 7 with internal pull-up; alternate functions are PSCOUT01 output, ADC4 (analog input channel 4) and SCK (SPI clock)."
      }
    ],
    "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: Pinout taken from Table 3-1 SO24 column and cross-checked against Figure 3-1 (SOIC 24-pin). Ordering; Pin type ambiguity: Table 3-1 lists AREF as 'Power' but the text says it can also be an output for e; Pin type ambiguity: Table 3-1 lists PE0 as 'I/O or I' (I/O or input depending on RSTDISBL fuse); typ"
        ],
        "pages_sent": 25,
        "cost_usd": 0.1019,
        "at": "2026-10-28T22:19:19"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/fcb6e4c88bed66bd7529e849d08ef244.pdf",
        "pages": 25,
        "sha256": "a17c3c1e353ab729",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "at90pwm2-16sq.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          15.4,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4b0d20f82f5b0124fecfe11c941274a3c865a30f7baee8b8fadd7df55972d4cd",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at90pwm2-16sq-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          15.4,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6b3f9a2f61df37b3c6c10d82513cf979e9b2efe3bc0757148d46891a755b2631",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}