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Ray Set visibility: public da0b69e 3d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "cm2268-qfptr",
  "title": "CM2268-QFPTR",
  "brief": "CIMO Analog To Digital Converters (ADC), LQFP-64(10x10). 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",
    "data acquisition",
    "cm2268-qfptr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CM2268-QFPTR",
    "manufacturer": "CIMO",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Data Acquisition",
    "subcategory": "Analog To Digital Converters (ADC)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e8c9adbafc1b422e6a790aa27ca69b38.pdf",
    "parts": {
      "symbol": "cm2268-qfptr.kicad_sym",
      "footprint": "cm2268-qfptr.kicad_mod",
      "model_3d": "cm2268-qfptr-hero.glb",
      "model_3d_plain": "cm2268-qfptr-etched.glb",
      "model_3d_step": "cm2268-qfptr-etched.step",
      "model_3d_step_plain": "cm2268-qfptr.step",
      "lbr": "cm2268-qfptr.lbr"
    },
    "distributor_links": {
      "lcsc": "C42370971"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:09:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog supply voltage, 4.75V to 5.25V, decoupled to AGND with parallel 100nF and 10µF capacitors."
      },
      {
        "number": "2",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground, the reference point for all analog circuitry, analog inputs and external reference; all 6 AGND pins connect to the system AGND plane."
      },
      {
        "number": "3",
        "name": "OS0",
        "type": "input",
        "description": "Oversampling mode pin selecting the oversampling ratio or enabling software mode (all OSx high)."
      },
      {
        "number": "4",
        "name": "OS1",
        "type": "input",
        "description": "Oversampling mode pin selecting the oversampling ratio or enabling software mode (all OSx high)."
      },
      {
        "number": "5",
        "name": "OS2",
        "type": "input",
        "description": "Oversampling mode pin selecting the oversampling ratio or enabling software mode (all OSx high)."
      },
      {
        "number": "6",
        "name": "PAR/SER_SEL",
        "type": "input",
        "description": "Parallel/serial interface select: logic low selects the parallel interface, logic high selects the serial interface."
      },
      {
        "number": "7",
        "name": "STBY",
        "type": "input",
        "description": "Active-low standby input which, together with RANGE, selects standby or shutdown low-power mode."
      },
      {
        "number": "8",
        "name": "RANGE",
        "type": "input",
        "description": "Analog input range select in hardware mode (high ±10V, low ±5V single-ended) and, with STBY low, selects standby versus shutdown mode."
      },
      {
        "number": "9",
        "name": "CONVST",
        "type": "input",
        "description": "Conversion start: a low-to-high transition simultaneously samples all 8 analog inputs; can be configured as external oversampling clock in software mode."
      },
      {
        "number": "10",
        "name": "WR",
        "type": "input",
        "description": "Active-low parallel write control for register writes in software mode; no function in hardware mode."
      },
      {
        "number": "11",
        "name": "RESET",
        "type": "input",
        "description": "Reset input: logic high resets the device, interrupts conversions in progress and resets the output registers to all 0s."
      },
      {
        "number": "12",
        "name": "RD/SCLK",
        "type": "input",
        "description": "Parallel read control input (RD) in parallel mode, serial clock input (SCLK) in serial mode."
      },
      {
        "number": "13",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip select for ADC data reads and register read/write in serial and parallel interfaces."
      },
      {
        "number": "14",
        "name": "BUSY",
        "type": "output",
        "description": "Conversion-in-progress indicator that goes high after CONVST rises and stays high until all channel conversions complete; the falling edge latches data into the output registers."
      },
      {
        "number": "15",
        "name": "FRSTDATA",
        "type": "tri_state",
        "description": "Indicates that channel V1 data is being read on the parallel or serial interface; tri-state when CS is high."
      },
      {
        "number": "16",
        "name": "DB0",
        "type": "bidirectional",
        "description": "Parallel data bit DB0 in parallel mode; must be connected to AGND in serial mode."
      },
      {
        "number": "17",
        "name": "DB1",
        "type": "bidirectional",
        "description": "Parallel data bit DB1 in parallel mode; must be connected to AGND in serial mode."
      },
      {
        "number": "18",
        "name": "DB2",
        "type": "bidirectional",
        "description": "Parallel data bit DB2 in parallel mode; must be connected to AGND in serial mode."
      },
      {
        "number": "19",
        "name": "DB3/DOUTE",
        "type": "bidirectional",
        "description": "Tri-state parallel data pin DB3 in parallel mode, serial output DOUTE in serial mode."
      },
      {
        "number": "20",
        "name": "DB4/DOUTF",
        "type": "bidirectional",
        "description": "Tri-state parallel data pin DB4 in parallel mode, serial output DOUTF in serial mode."
      },
      {
        "number": "21",
        "name": "DB5/DOUTG",
        "type": "bidirectional",
        "description": "Tri-state parallel data pin DB5 in parallel mode, serial output DOUTG in serial mode."
      },
      {
        "number": "22",
        "name": "DB6/DOUTH",
        "type": "bidirectional",
        "description": "Tri-state parallel data pin DB6 in parallel mode, serial output DOUTH in serial mode."
      },
      {
        "number": "23",
        "name": "VDRIVE",
        "type": "power_in",
        "description": "Logic supply, 1.71V to 5.25V, setting the logic interface voltage; should match the controller (DSP or FPGA) interface supply."
      },
      {
        "number": "24",
        "name": "DB7/DOUTA",
        "type": "bidirectional",
        "description": "Tri-state parallel data pin DB7 in parallel mode, serial output DOUTA in serial mode."
      },
      {
        "number": "25",
        "name": "DB8/DOUTB",
        "type": "bidirectional",
        "description": "Tri-state parallel data pin DB8 in parallel mode, serial output DOUTB in serial mode."
      },
      {
        "number": "26",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; all analog input and external reference signals reference this pin, and all 6 AGND pins connect to the system AGND plane."
      },
      {
        "number": "27",
        "name": "DB9/DOUTC",
        "type": "bidirectional",
        "description": "Tri-state parallel data pin DB9 in parallel mode, serial output DOUTC in serial mode."
      },
      {
        "number": "28",
        "name": "DB10/DOUTD",
        "type": "bidirectional",
        "description": "Tri-state parallel data pin DB10 in parallel mode, serial output DOUTD in serial mode."
      },
      {
        "number": "29",
        "name": "DB11/SDI",
        "type": "bidirectional",
        "description": "Tri-state parallel data pin DB11 in parallel mode, serial data pin SDI in serial mode."
      },
      {
        "number": "30",
        "name": "DB12",
        "type": "bidirectional",
        "description": "Tri-state parallel data pin DB12 in parallel mode; connect to AGND in serial mode."
      },
      {
        "number": "31",
        "name": "DB13",
        "type": "bidirectional",
        "description": "Tri-state parallel data pin DB13 in parallel mode; connect to AGND in serial mode."
      },
      {
        "number": "32",
        "name": "DB14",
        "type": "bidirectional",
        "description": "Tri-state parallel data pin DB14 in parallel mode; connect to AGND in serial mode."
      },
      {
        "number": "33",
        "name": "DB15",
        "type": "bidirectional",
        "description": "Tri-state parallel data pin DB15 in parallel mode; connect to AGND in serial mode."
      },
      {
        "number": "34",
        "name": "REF_SELECT",
        "type": "input",
        "description": "Reference select: logic high enables the internal reference, logic low disables it and requires an external reference on REFIN/REFOUT."
      },
      {
        "number": "35",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; all analog input and external reference signals reference this pin, and all 6 AGND pins connect to the system AGND plane."
      },
      {
        "number": "36",
        "name": "REGCAP",
        "type": "power_out",
        "description": "Internal regulator output, about 1.9V, decoupled to AGND with a 1µF capacitor."
      },
      {
        "number": "37",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog supply voltage, decoupled to AGND with parallel 100nF and 10µF capacitors."
      },
      {
        "number": "38",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog supply voltage, decoupled to AGND with parallel 100nF and 10µF capacitors."
      },
      {
        "number": "39",
        "name": "REGCAP",
        "type": "power_out",
        "description": "Internal regulator output, about 1.9V, decoupled to AGND with a 1µF capacitor."
      },
      {
        "number": "40",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; all analog input and external reference signals reference this pin, and all 6 AGND pins connect to the system AGND plane."
      },
      {
        "number": "41",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; all analog input and external reference signals reference this pin, and all 6 AGND pins connect to the system AGND plane."
      },
      {
        "number": "42",
        "name": "REFIN/REFOUT",
        "type": "bidirectional",
        "description": "Reference input/output: provides the 2.5V internal reference when REF_SELECT is high, or takes a 2.5V external reference when low; needs a 100nF capacitor to REFGND."
      },
      {
        "number": "43",
        "name": "REFGND",
        "type": "power_in",
        "description": "Reference ground pin, to be connected to AGND."
      },
      {
        "number": "44",
        "name": "REFCAPA",
        "type": "passive",
        "description": "Reference buffer output, typically 4V; tie to REFCAPB and decouple to AGND with a low-ESR 10µF ceramic capacitor."
      },
      {
        "number": "45",
        "name": "REFCAPB",
        "type": "passive",
        "description": "Reference buffer output, typically 4V; tie to REFCAPA and decouple to AGND with a low-ESR 10µF ceramic capacitor."
      },
      {
        "number": "46",
        "name": "REFGND",
        "type": "power_in",
        "description": "Reference ground pin, to be connected to AGND."
      },
      {
        "number": "47",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog ground; all analog input and external reference signals reference this pin, and all 6 AGND pins connect to the system AGND plane."
      },
      {
        "number": "48",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog supply voltage, decoupled to AGND with parallel 100nF and 10µF capacitors."
      },
      {
        "number": "49",
        "name": "V1+",
        "type": "input",
        "description": "Channel 1 positive analog input."
      },
      {
        "number": "50",
        "name": "V1-",
        "type": "input",
        "description": "Channel 1 negative analog input."
      },
      {
        "number": "51",
        "name": "V2+",
        "type": "input",
        "description": "Channel 2 positive analog input."
      },
      {
        "number": "52",
        "name": "V2-",
        "type": "input",
        "description": "Channel 2 negative analog input."
      },
      {
        "number": "53",
        "name": "V3+",
        "type": "input",
        "description": "Channel 3 positive analog input."
      },
      {
        "number": "54",
        "name": "V3-",
        "type": "input",
        "description": "Channel 3 negative analog input."
      },
      {
        "number": "55",
        "name": "V4+",
        "type": "input",
        "description": "Channel 4 positive analog input."
      },
      {
        "number": "56",
        "name": "V4-",
        "type": "input",
        "description": "Channel 4 negative analog input."
      },
      {
        "number": "57",
        "name": "V5+",
        "type": "input",
        "description": "Channel 5 positive analog input."
      },
      {
        "number": "58",
        "name": "V5-",
        "type": "input",
        "description": "Channel 5 negative analog input."
      },
      {
        "number": "59",
        "name": "V6+",
        "type": "input",
        "description": "Channel 6 positive analog input."
      },
      {
        "number": "60",
        "name": "V6-",
        "type": "input",
        "description": "Channel 6 negative analog input."
      },
      {
        "number": "61",
        "name": "V7+",
        "type": "input",
        "description": "Channel 7 positive analog input."
      },
      {
        "number": "62",
        "name": "V7-",
        "type": "input",
        "description": "Channel 7 negative analog input."
      },
      {
        "number": "63",
        "name": "V8+",
        "type": "input",
        "description": "Channel 8 positive analog input."
      },
      {
        "number": "64",
        "name": "V8-",
        "type": "input",
        "description": "Channel 8 negative analog input."
      }
    ],
    "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: Pin 7 description names 'CM2368' instead of CM2268 (datasheet typo); pin function otherwise consiste; Pin 29 text calls SDI a serial output pin, but elsewhere SDI is the serial data input; typed bidirec; Type choices not stated by the datasheet (REGCAP as power_out, REFCAPA/B as passive, FRSTDATA as tri"
        ],
        "pages_sent": 38,
        "cost_usd": 0.3933,
        "at": "2026-10-23T03:08:31"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e8c9adbafc1b422e6a790aa27ca69b38.pdf",
        "pages": 55,
        "sha256": "1d91cb279ed8f83c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cm2268-qfptr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cm2268-qfptr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e751bde6bfa963027b831eb38f3112c665f8112a106c43f93fd0949702eabf2d",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "CIMO",
      "Package": "LQFP-64(10x10)",
      "Category": "Data Acquisition",
      "Pins": "64"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1d91cb279ed8f83cff5e42e467cf6887e9cbbd199264a369328222b0cac8dd31",
      "rows": [
        {
          "name": "AVCC to AGND",
          "symbol": "AVCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "VDRIVE to AGND",
          "symbol": "VDRIVE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max AVCC + 0.3 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Analog input voltage to AGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -19.5,
          "typ": null,
          "max": 19.5,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Digital input voltage to AGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max VDRIVE + 0.3 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Digital output voltage to AGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max VDRIVE + 0.3 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "REFIN to AGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "max AVCC + 0.3 V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "any pin except supply pins",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "ESD HBM, all pins except analog inputs",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 2000,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
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