C8051F120-GQR

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  "slug": "c8051f120-gqr",
  "version": "0.1.0",
  "type": "component",
  "description": "SKYWORKS SILICON LABS Microcontrollers (MCU/MPU/SOC), TQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "c8051f120-gqr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "path": "docs/hero.png"
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  "component": {
    "mpn": "C8051F120-GQR",
    "manufacturer": "SKYWORKS SILICON LABS",
    "package": "TQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181429218709504",
    "parts": {
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      "lbr": "c8051f120-gqr.lbr"
    },
    "distributor_links": {
      "lcsc": "C15124"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:37:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "TMS",
        "type": "input",
        "description": "JTAG Test Mode Select input with internal pullup."
      },
      {
        "number": "2",
        "name": "TCK",
        "type": "input",
        "description": "JTAG Test Clock input with internal pullup."
      },
      {
        "number": "3",
        "name": "TDI",
        "type": "input",
        "description": "JTAG Test Data Input with internal pullup, latched on the rising edge of TCK."
      },
      {
        "number": "4",
        "name": "TDO",
        "type": "tri_state",
        "description": "JTAG Test Data Output with internal pullup; data is shifted out on the falling edge of TCK and the output is a tri-state driver."
      },
      {
        "number": "5",
        "name": "RST",
        "type": "bidirectional",
        "description": "Device Reset: open-drain output of the internal VDD monitor, driven low when VDD is below VRST and MONEN is high; an external source driving it low initiates a system reset."
      },
      {
        "number": "6",
        "name": "CP1-",
        "type": "input",
        "description": "Comparator 1 Inverting Input."
      },
      {
        "number": "7",
        "name": "CP1+",
        "type": "input",
        "description": "Comparator 1 Non-Inverting Input."
      },
      {
        "number": "8",
        "name": "CP0-",
        "type": "input",
        "description": "Comparator 0 Inverting Input."
      },
      {
        "number": "9",
        "name": "CP0+",
        "type": "input",
        "description": "Comparator 0 Non-Inverting Input."
      },
      {
        "number": "10",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog Ground; must be tied to ground."
      },
      {
        "number": "11",
        "name": "AV+",
        "type": "power_in",
        "description": "Analog Supply Voltage; must be tied to +2.7 to +3.6 V."
      },
      {
        "number": "12",
        "name": "VREF",
        "type": "power_in",
        "description": "Bandgap Voltage Reference Output on all devices; the DAC voltage reference input function applies only to C8051F121/3/5/7."
      },
      {
        "number": "13",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog Ground; must be tied to ground."
      },
      {
        "number": "14",
        "name": "AV+",
        "type": "power_in",
        "description": "Analog Supply Voltage; must be tied to +2.7 to +3.6 V."
      },
      {
        "number": "15",
        "name": "VREFD",
        "type": "input",
        "description": "DAC Voltage Reference Input."
      },
      {
        "number": "16",
        "name": "VREF0",
        "type": "input",
        "description": "ADC0 Voltage Reference Input."
      },
      {
        "number": "17",
        "name": "VREF2",
        "type": "input",
        "description": "ADC2 Voltage Reference Input."
      },
      {
        "number": "18",
        "name": "AIN0.0",
        "type": "input",
        "description": "ADC0 Input Channel 0 (see ADC0 specification for complete description)."
      },
      {
        "number": "19",
        "name": "AIN0.1",
        "type": "input",
        "description": "ADC0 Input Channel 1 (see ADC0 specification for complete description)."
      },
      {
        "number": "20",
        "name": "AIN0.2",
        "type": "input",
        "description": "ADC0 Input Channel 2 (see ADC0 specification for complete description)."
      },
      {
        "number": "21",
        "name": "AIN0.3",
        "type": "input",
        "description": "ADC0 Input Channel 3 (see ADC0 specification for complete description)."
      },
      {
        "number": "22",
        "name": "AIN0.4",
        "type": "input",
        "description": "ADC0 Input Channel 4 (see ADC0 specification for complete description)."
      },
      {
        "number": "23",
        "name": "AIN0.5",
        "type": "input",
        "description": "ADC0 Input Channel 5 (see ADC0 specification for complete description)."
      },
      {
        "number": "24",
        "name": "AIN0.6",
        "type": "input",
        "description": "ADC0 Input Channel 6 (see ADC0 specification for complete description)."
      },
      {
        "number": "25",
        "name": "AIN0.7",
        "type": "input",
        "description": "ADC0 Input Channel 7 (see ADC0 specification for complete description)."
      },
      {
        "number": "26",
        "name": "XTAL1",
        "type": "input",
        "description": "Crystal Input: return for the internal oscillator circuit; if overdriven by an external CMOS clock, this pin becomes the system clock."
      },
      {
        "number": "27",
        "name": "XTAL2",
        "type": "output",
        "description": "Crystal Output: excitation driver for a crystal or ceramic resonator."
      },
      {
        "number": "28",
        "name": "MONEN",
        "type": "input",
        "description": "VDD Monitor Enable: when tied high it enables the internal VDD monitor, which forces a system reset when VDD is below VRST; it must be tied high or low."
      },
      {
        "number": "29",
        "name": "AIN2.7/A15/P1.7",
        "type": "bidirectional",
        "description": "ADC2 Input Channel 7 (analog input) shared with External Memory Address bit A15 and Port 1.7 digital I/O."
      },
      {
        "number": "30",
        "name": "AIN2.6/A14/P1.6",
        "type": "bidirectional",
        "description": "ADC2 Input Channel 6 (analog input) shared with External Memory Address bit A14 and Port 1.6 digital I/O."
      },
      {
        "number": "31",
        "name": "AIN2.5/A13/P1.5",
        "type": "bidirectional",
        "description": "ADC2 Input Channel 5 (analog input) shared with External Memory Address bit A13 and Port 1.5 digital I/O."
      },
      {
        "number": "32",
        "name": "AIN2.4/A12/P1.4",
        "type": "bidirectional",
        "description": "ADC2 Input Channel 4 (analog input) shared with External Memory Address bit A12 and Port 1.4 digital I/O."
      },
      {
        "number": "33",
        "name": "AIN2.3/A11/P1.3",
        "type": "bidirectional",
        "description": "ADC2 Input Channel 3 (analog input) shared with External Memory Address bit A11 and Port 1.3 digital I/O."
      },
      {
        "number": "34",
        "name": "AIN2.2/A10/P1.2",
        "type": "bidirectional",
        "description": "ADC2 Input Channel 2 (analog input) shared with External Memory Address bit A10 and Port 1.2 digital I/O."
      },
      {
        "number": "35",
        "name": "AIN2.1/A9/P1.1",
        "type": "bidirectional",
        "description": "ADC2 Input Channel 1 (analog input) shared with External Memory Address bit A9 and Port 1.1 digital I/O."
      },
      {
        "number": "36",
        "name": "AIN2.0/A8/P1.0",
        "type": "bidirectional",
        "description": "ADC2 Input Channel 0 (analog input) shared with External Memory Address bit A8 and Port 1.0 digital I/O."
      },
      {
        "number": "37",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital Supply Voltage; must be tied to +2.7 to +3.6 V."
      },
      {
        "number": "38",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital Ground; must be tied to ground."
      },
      {
        "number": "39",
        "name": "A15m/A7/P2.7",
        "type": "bidirectional",
        "description": "Port 2.7 I/O; can be driven by the External Data Memory Interface as Address bit A15 (multiplexed) or A7 (non-multiplexed)."
      },
      {
        "number": "40",
        "name": "A14m/A6/P2.6",
        "type": "bidirectional",
        "description": "Port 2.6 I/O; can be driven by the External Data Memory Interface as Address bit A14 (multiplexed) or A6 (non-multiplexed)."
      },
      {
        "number": "41",
        "name": "A13m/A5/P2.5",
        "type": "bidirectional",
        "description": "Port 2.5 I/O; can be driven by the External Data Memory Interface as Address bit A13 (multiplexed) or A5 (non-multiplexed)."
      },
      {
        "number": "42",
        "name": "A12m/A4/P2.4",
        "type": "bidirectional",
        "description": "Port 2.4 I/O; can be driven by the External Data Memory Interface as Address bit A12 (multiplexed) or A4 (non-multiplexed)."
      },
      {
        "number": "43",
        "name": "A11m/A3/P2.3",
        "type": "bidirectional",
        "description": "Port 2.3 I/O; can be driven by the External Data Memory Interface as Address bit A11 (multiplexed) or A3 (non-multiplexed)."
      },
      {
        "number": "44",
        "name": "A10m/A2/P2.2",
        "type": "bidirectional",
        "description": "Port 2.2 I/O; can be driven by the External Data Memory Interface as Address bit A10 (multiplexed) or A2 (non-multiplexed)."
      },
      {
        "number": "45",
        "name": "A9m/A1/P2.1",
        "type": "bidirectional",
        "description": "Port 2.1 I/O; can be driven by the External Data Memory Interface as Address bit A9 (multiplexed) or A1 (non-multiplexed)."
      },
      {
        "number": "46",
        "name": "A8m/A0/P2.0",
        "type": "bidirectional",
        "description": "Port 2.0 I/O; can be driven by the External Data Memory Interface as Address bit A8 (multiplexed) or A0 (non-multiplexed)."
      },
      {
        "number": "47",
        "name": "AD7/D7/P3.7",
        "type": "bidirectional",
        "description": "Port 3.7 I/O; can be driven by the External Data Memory Interface as Address/Data bit AD7 (multiplexed) or Data bit D7 (non-multiplexed)."
      },
      {
        "number": "48",
        "name": "AD6/D6/P3.6",
        "type": "bidirectional",
        "description": "Port 3.6 I/O; can be driven by the External Data Memory Interface as Address/Data bit AD6 (multiplexed) or Data bit D6 (non-multiplexed)."
      },
      {
        "number": "49",
        "name": "AD5/D5/P3.5",
        "type": "bidirectional",
        "description": "Port 3.5 I/O; can be driven by the External Data Memory Interface as Address/Data bit AD5 (multiplexed) or Data bit D5 (non-multiplexed)."
      },
      {
        "number": "50",
        "name": "AD4/D4/P3.4",
        "type": "bidirectional",
        "description": "Port 3.4 I/O; can be driven by the External Data Memory Interface as Address/Data bit AD4 (multiplexed) or Data bit D4 (non-multiplexed)."
      },
      {
        "number": "51",
        "name": "AD3/D3/P3.3",
        "type": "bidirectional",
        "description": "Port 3.3 I/O; can be driven by the External Data Memory Interface as Address/Data bit AD3 (multiplexed) or Data bit D3 (non-multiplexed)."
      },
      {
        "number": "52",
        "name": "AD2/D2/P3.2",
        "type": "bidirectional",
        "description": "Port 3.2 I/O; can be driven by the External Data Memory Interface as Address/Data bit AD2 (multiplexed) or Data bit D2 (non-multiplexed)."
      },
      {
        "number": "53",
        "name": "AD1/D1/P3.1",
        "type": "bidirectional",
        "description": "Port 3.1 I/O; can be driven by the External Data Memory Interface as Address/Data bit AD1 (multiplexed) or Data bit D1 (non-multiplexed)."
      },
      {
        "number": "54",
        "name": "AD0/D0/P3.0",
        "type": "bidirectional",
        "description": "Port 3.0 I/O; can be driven by the External Data Memory Interface as Address/Data bit AD0 (multiplexed) or Data bit D0 (non-multiplexed)."
      },
      {
        "number": "55",
        "name": "WR/P0.7",
        "type": "bidirectional",
        "description": "External Memory Interface /WR strobe or Port 0.7 I/O; the Crossbar skips this pin when EMIFLE is set."
      },
      {
        "number": "56",
        "name": "RD/P0.6",
        "type": "bidirectional",
        "description": "External Memory Interface /RD strobe or Port 0.6 I/O; the Crossbar skips this pin when EMIFLE is set."
      },
      {
        "number": "57",
        "name": "ALE/P0.5",
        "type": "bidirectional",
        "description": "ALE strobe for the External Memory Address bus (multiplexed mode) or Port 0.5 I/O."
      },
      {
        "number": "58",
        "name": "P0.4",
        "type": "bidirectional",
        "description": "Port 0.4 I/O; general-purpose I/O or a digital peripheral pin assigned by the Priority Crossbar Decoder."
      },
      {
        "number": "59",
        "name": "P0.3",
        "type": "bidirectional",
        "description": "Port 0.3 I/O; general-purpose I/O or a digital peripheral pin assigned by the Priority Crossbar Decoder."
      },
      {
        "number": "60",
        "name": "P0.2",
        "type": "bidirectional",
        "description": "Port 0.2 I/O; general-purpose I/O or a digital peripheral pin assigned by the Priority Crossbar Decoder."
      },
      {
        "number": "61",
        "name": "P0.1",
        "type": "bidirectional",
        "description": "Port 0.1 I/O; general-purpose I/O or a digital peripheral pin assigned by the Priority Crossbar Decoder."
      },
      {
        "number": "62",
        "name": "P0.0",
        "type": "bidirectional",
        "description": "Port 0.0 I/O; general-purpose I/O or a digital peripheral pin assigned by the Priority Crossbar Decoder."
      },
      {
        "number": "63",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital Ground; must be tied to ground."
      },
      {
        "number": "64",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital Supply Voltage; must be tied to +2.7 to +3.6 V."
      },
      {
        "number": "65",
        "name": "AD7/D7/P7.7",
        "type": "bidirectional",
        "description": "Port 7.7 I/O; can be driven by the External Data Memory Interface as AD7 (multiplexed) or D7 (non-multiplexed)."
      },
      {
        "number": "66",
        "name": "AD6/D6/P7.6",
        "type": "bidirectional",
        "description": "Port 7.6 I/O; can be driven by the External Data Memory Interface as AD6 (multiplexed) or D6 (non-multiplexed)."
      },
      {
        "number": "67",
        "name": "AD5/D5/P7.5",
        "type": "bidirectional",
        "description": "Port 7.5 I/O; can be driven by the External Data Memory Interface as AD5 (multiplexed) or D5 (non-multiplexed)."
      },
      {
        "number": "68",
        "name": "AD4/D4/P7.4",
        "type": "bidirectional",
        "description": "Port 7.4 I/O; can be driven by the External Data Memory Interface as AD4 (multiplexed) or D4 (non-multiplexed)."
      },
      {
        "number": "69",
        "name": "AD3/D3/P7.3",
        "type": "bidirectional",
        "description": "Port 7.3 I/O; can be driven by the External Data Memory Interface as AD3 (multiplexed) or D3 (non-multiplexed)."
      },
      {
        "number": "70",
        "name": "AD2/D2/P7.2",
        "type": "bidirectional",
        "description": "Port 7.2 I/O; can be driven by the External Data Memory Interface as AD2 (multiplexed) or D2 (non-multiplexed)."
      },
      {
        "number": "71",
        "name": "AD1/D1/P7.1",
        "type": "bidirectional",
        "description": "Port 7.1 I/O; can be driven by the External Data Memory Interface as AD1 (multiplexed) or D1 (non-multiplexed)."
      },
      {
        "number": "72",
        "name": "AD0/D0/P7.0",
        "type": "bidirectional",
        "description": "Port 7.0 I/O; can be driven by the External Data Memory Interface as AD0 (multiplexed) or D0 (non-multiplexed)."
      },
      {
        "number": "73",
        "name": "A15m/A7/P6.7",
        "type": "bidirectional",
        "description": "Port 6.7 I/O; can be driven by the External Data Memory Interface as Address bit A15 (multiplexed) or A7 (non-multiplexed)."
      },
      {
        "number": "74",
        "name": "A14m/A6/P6.6",
        "type": "bidirectional",
        "description": "Port 6.6 I/O; can be driven by the External Data Memory Interface as Address bit A14 (multiplexed) or A6 (non-multiplexed)."
      },
      {
        "number": "75",
        "name": "A13m/A5/P6.5",
        "type": "bidirectional",
        "description": "Port 6.5 I/O; can be driven by the External Data Memory Interface as Address bit A13 (multiplexed) or A5 (non-multiplexed)."
      },
      {
        "number": "76",
        "name": "A12m/A4/P6.4",
        "type": "bidirectional",
        "description": "Port 6.4 I/O; can be driven by the External Data Memory Interface as Address bit A12 (multiplexed) or A4 (non-multiplexed)."
      },
      {
        "number": "77",
        "name": "A11m/A3/P6.3",
        "type": "bidirectional",
        "description": "Port 6.3 I/O; can be driven by the External Data Memory Interface as Address bit A11 (multiplexed) or A3 (non-multiplexed)."
      },
      {
        "number": "78",
        "name": "A10m/A2/P6.2",
        "type": "bidirectional",
        "description": "Port 6.2 I/O; can be driven by the External Data Memory Interface as Address bit A10 (multiplexed) or A2 (non-multiplexed)."
      },
      {
        "number": "79",
        "name": "A9m/A1/P6.1",
        "type": "bidirectional",
        "description": "Port 6.1 I/O; can be driven by the External Data Memory Interface as Address bit A9 (multiplexed) or A1 (non-multiplexed)."
      },
      {
        "number": "80",
        "name": "A8m/A0/P6.0",
        "type": "bidirectional",
        "description": "Port 6.0 I/O; can be driven by the External Data Memory Interface as Address bit A8 (multiplexed) or A0 (non-multiplexed)."
      },
      {
        "number": "81",
        "name": "A15/P5.7",
        "type": "bidirectional",
        "description": "Port 5.7 I/O; can be driven by the External Data Memory Interface as Address bit A15 (non-multiplexed mode)."
      },
      {
        "number": "82",
        "name": "A14/P5.6",
        "type": "bidirectional",
        "description": "Port 5.6 I/O; can be driven by the External Data Memory Interface as Address bit A14 (non-multiplexed mode)."
      },
      {
        "number": "83",
        "name": "A13/P5.5",
        "type": "bidirectional",
        "description": "Port 5.5 I/O; can be driven by the External Data Memory Interface as Address bit A13 (non-multiplexed mode)."
      },
      {
        "number": "84",
        "name": "A12/P5.4",
        "type": "bidirectional",
        "description": "Port 5.4 I/O; can be driven by the External Data Memory Interface as Address bit A12 (non-multiplexed mode)."
      },
      {
        "number": "85",
        "name": "A11/P5.3",
        "type": "bidirectional",
        "description": "Port 5.3 I/O; can be driven by the External Data Memory Interface as Address bit A11 (non-multiplexed mode)."
      },
      {
        "number": "86",
        "name": "A10/P5.2",
        "type": "bidirectional",
        "description": "Port 5.2 I/O; can be driven by the External Data Memory Interface as Address bit A10 (non-multiplexed mode)."
      },
      {
        "number": "87",
        "name": "A9/P5.1",
        "type": "bidirectional",
        "description": "Port 5.1 I/O; can be driven by the External Data Memory Interface as Address bit A9 (non-multiplexed mode)."
      },
      {
        "number": "88",
        "name": "A8/P5.0",
        "type": "bidirectional",
        "description": "Port 5.0 I/O; can be driven by the External Data Memory Interface as Address bit A8 (non-multiplexed mode)."
      },
      {
        "number": "89",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital Ground; must be tied to ground."
      },
      {
        "number": "90",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital Supply Voltage; must be tied to +2.7 to +3.6 V."
      },
      {
        "number": "91",
        "name": "WR/P4.7",
        "type": "bidirectional",
        "description": "External Memory Interface /WR strobe or Port 4.7 I/O; pin is open-drain by default and push-pull when set in P4MDOUT."
      },
      {
        "number": "92",
        "name": "RD/P4.6",
        "type": "bidirectional",
        "description": "External Memory Interface /RD strobe or Port 4.6 I/O; pin is open-drain by default and push-pull when set in P4MDOUT."
      },
      {
        "number": "93",
        "name": "ALE/P4.5",
        "type": "bidirectional",
        "description": "ALE strobe for the External Memory Address bus (multiplexed mode) or Port 4.5 I/O."
      },
      {
        "number": "94",
        "name": "P4.4",
        "type": "bidirectional",
        "description": "Port 4.4 I/O; open-drain by default and push-pull when set in P4MDOUT."
      },
      {
        "number": "95",
        "name": "P4.3",
        "type": "bidirectional",
        "description": "Port 4.3 I/O; open-drain by default and push-pull when set in P4MDOUT."
      },
      {
        "number": "96",
        "name": "P4.2",
        "type": "bidirectional",
        "description": "Port 4.2 I/O; open-drain by default and push-pull when set in P4MDOUT."
      },
      {
        "number": "97",
        "name": "P4.1",
        "type": "bidirectional",
        "description": "Port 4.1 I/O; open-drain by default and push-pull when set in P4MDOUT."
      },
      {
        "number": "98",
        "name": "P4.0",
        "type": "bidirectional",
        "description": "Port 4.0 I/O; open-drain by default and push-pull when set in P4MDOUT."
      },
      {
        "number": "99",
        "name": "DAC1",
        "type": "output",
        "description": "Digital to Analog Converter 1 voltage output (see DAC specification for complete description)."
      },
      {
        "number": "100",
        "name": "DAC0",
        "type": "output",
        "description": "Digital to Analog Converter 0 voltage output (see DAC specification for complete description)."
      }
    ],
    "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: The MPN suffix -GQR is not mapped to a package in the provided text. Table 1.1 (Product Selection Gu; Table 4.1 was extracted with its device columns scrambled. The 100-pin column group was used for C80; C8051F120 is a 12-bit ADC device. The VREF0 and VREF2 pins (16, 17) are listed as ADC0 and ADC2 volt",
          "2/100 pins cited to the wrong page (name found elsewhere): ['26:XTAL1@p41', '27:XTAL2@p41']"
        ],
        "pages_sent": 52,
        "cost_usd": 0.2972,
        "at": "2026-10-18T14:37:09"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181429218709504",
        "pages": 350,
        "sha256": "24fdae17f6f8efe6",
        "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": "c8051f120-gqr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "99d530be126138ea024746562f1110203db0273456e99932e7e1930dc9f5fba5",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "c8051f120-gqr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d0d0e7cbfc9051b7110a657a26dc30c77784d079980ecc704a0b27f91042a62a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}