C8051F021-GQR

{
  "schema_version": 1,
  "type": "component",
  "slug": "c8051f021-gqr",
  "title": "C8051F021-GQR",
  "brief": "SKYWORKS SILICON LABS Microcontrollers (MCU/MPU/SOC), TQFP-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",
    "embedded processors & controllers",
    "c8051f021-gqr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "C8051F021-GQR",
    "manufacturer": "SKYWORKS SILICON LABS",
    "package": "TQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181700765933568",
    "parts": {
      "symbol": "c8051f021-gqr.kicad_sym",
      "footprint": "c8051f021-gqr.kicad_mod",
      "model_3d": "c8051f021-gqr-hero.glb",
      "model_3d_plain": "c8051f021-gqr-etched.glb",
      "model_3d_step": "c8051f021-gqr-etched.step",
      "model_3d_step_plain": "c8051f021-gqr.step",
      "lbr": "c8051f021-gqr.lbr"
    },
    "distributor_links": {
      "lcsc": "C31645",
      "digikey": "336-4310-2-ND",
      "mouser": "634-C8051F021-GQR"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T06:58:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "336-4310-2-ND",
        "status": "found",
        "lifecycle": "Last Time Buy"
      },
      "mouser": {
        "pn": "634-C8051F021-GQR",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CP1-",
        "type": "input",
        "description": "Comparator 1 Inverting Input."
      },
      {
        "number": "2",
        "name": "CP1+",
        "type": "input",
        "description": "Comparator 1 Non-Inverting Input."
      },
      {
        "number": "3",
        "name": "CP0-",
        "type": "input",
        "description": "Comparator 0 Inverting Input."
      },
      {
        "number": "4",
        "name": "CP0+",
        "type": "input",
        "description": "Comparator 0 Non-Inverting Input."
      },
      {
        "number": "5",
        "name": "AGND",
        "type": "power_in",
        "description": "Analog Ground. Must be tied to Ground."
      },
      {
        "number": "6",
        "name": "AV+",
        "type": "power_in",
        "description": "Analog Supply Voltage. Must be tied to +2.7 to +3.6 V."
      },
      {
        "number": "7",
        "name": "VREF",
        "type": "power_in",
        "description": "Bandgap Voltage Reference Output (all devices); on C8051F021/3 this pin is also the DAC Voltage Reference Input."
      },
      {
        "number": "8",
        "name": "VREFA",
        "type": "input",
        "description": "ADC0 and ADC1 Voltage Reference Input."
      },
      {
        "number": "9",
        "name": "AIN0.0",
        "type": "input",
        "description": "ADC0 Input Channel 0 (see ADC0 Specification for complete description)."
      },
      {
        "number": "10",
        "name": "AIN0.1",
        "type": "input",
        "description": "ADC0 Input Channel 1 (see ADC0 Specification for complete description)."
      },
      {
        "number": "11",
        "name": "AIN0.2",
        "type": "input",
        "description": "ADC0 Input Channel 2 (see ADC0 Specification for complete description)."
      },
      {
        "number": "12",
        "name": "AIN0.3",
        "type": "input",
        "description": "ADC0 Input Channel 3 (see ADC0 Specification for complete description)."
      },
      {
        "number": "13",
        "name": "AIN0.4",
        "type": "input",
        "description": "ADC0 Input Channel 4 (see ADC0 Specification for complete description)."
      },
      {
        "number": "14",
        "name": "AIN0.5",
        "type": "input",
        "description": "ADC0 Input Channel 5 (see ADC0 Specification for complete description)."
      },
      {
        "number": "15",
        "name": "AIN0.6",
        "type": "input",
        "description": "ADC0 Input Channel 6 (see ADC0 Specification for complete description)."
      },
      {
        "number": "16",
        "name": "AIN0.7",
        "type": "input",
        "description": "ADC0 Input Channel 7 (see ADC0 Specification for complete description)."
      },
      {
        "number": "17",
        "name": "XTAL1",
        "type": "input",
        "description": "Crystal Input, the return for the internal oscillator; if overdriven by an external CMOS clock this pin becomes the system clock."
      },
      {
        "number": "18",
        "name": "XTAL2",
        "type": "output",
        "description": "Crystal Output, the excitation driver for a crystal or ceramic resonator."
      },
      {
        "number": "19",
        "name": "MONEN",
        "type": "input",
        "description": "VDD Monitor Enable; when tied high the internal VDD monitor forces a system reset when VDD is below 2.7 V, and when tied low the monitor is disabled."
      },
      {
        "number": "20",
        "name": "AIN1.7/A15/P1.7",
        "type": "bidirectional",
        "description": "ADC1 analog input channel 7 (AIN1.7) or External Memory Interface address bit 15 (non-multiplexed mode) or Port 1.7 GPIO, selected by P1MDIN and the Crossbar."
      },
      {
        "number": "21",
        "name": "AIN1.6/A14/P1.6",
        "type": "bidirectional",
        "description": "ADC1 analog input channel 6 (AIN1.6) or External Memory Interface address bit 14 (non-multiplexed mode) or Port 1.6 GPIO."
      },
      {
        "number": "22",
        "name": "AIN1.5/A13/P1.5",
        "type": "bidirectional",
        "description": "ADC1 analog input channel 5 (AIN1.5) or External Memory Interface address bit 13 (non-multiplexed mode) or Port 1.5 GPIO."
      },
      {
        "number": "23",
        "name": "AIN1.4/A12/P1.4",
        "type": "bidirectional",
        "description": "ADC1 analog input channel 4 (AIN1.4) or External Memory Interface address bit 12 (non-multiplexed mode) or Port 1.4 GPIO."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital Supply Voltage. Must be tied to +2.7 to +3.6 V."
      },
      {
        "number": "25",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital Ground. Must be tied to Ground."
      },
      {
        "number": "26",
        "name": "AIN1.3/A11/P1.3",
        "type": "bidirectional",
        "description": "ADC1 analog input channel 3 (AIN1.3) or External Memory Interface address bit 11 (non-multiplexed mode) or Port 1.3 GPIO."
      },
      {
        "number": "27",
        "name": "AIN1.2/A10/P1.2",
        "type": "bidirectional",
        "description": "ADC1 analog input channel 2 (AIN1.2) or External Memory Interface address bit 10 (non-multiplexed mode) or Port 1.2 GPIO."
      },
      {
        "number": "28",
        "name": "AIN1.1/A9/P1.1",
        "type": "bidirectional",
        "description": "ADC1 analog input channel 1 (AIN1.1) or External Memory Interface address bit 9 (non-multiplexed mode) or Port 1.1 GPIO."
      },
      {
        "number": "29",
        "name": "AIN1.0/A8/P1.0",
        "type": "bidirectional",
        "description": "ADC1 analog input channel 0 (AIN1.0) or External Memory Interface address bit 8 (non-multiplexed mode) or Port 1.0 GPIO."
      },
      {
        "number": "30",
        "name": "A15m/A7/P2.7",
        "type": "bidirectional",
        "description": "Port 2.7 GPIO, or External Memory Interface address bit 15 (multiplexed mode) or address bit 7 (non-multiplexed mode)."
      },
      {
        "number": "31",
        "name": "A14m/A6/P2.6",
        "type": "bidirectional",
        "description": "Port 2.6 GPIO, or External Memory Interface address bit 14 (multiplexed mode) or address bit 6 (non-multiplexed mode)."
      },
      {
        "number": "32",
        "name": "A13m/A5/P2.5",
        "type": "bidirectional",
        "description": "Port 2.5 GPIO, or External Memory Interface address bit 13 (multiplexed mode) or address bit 5 (non-multiplexed mode)."
      },
      {
        "number": "33",
        "name": "A12m/A4/P2.4",
        "type": "bidirectional",
        "description": "Port 2.4 GPIO, or External Memory Interface address bit 12 (multiplexed mode) or address bit 4 (non-multiplexed mode)."
      },
      {
        "number": "34",
        "name": "A11m/A3/P2.3",
        "type": "bidirectional",
        "description": "Port 2.3 GPIO, or External Memory Interface address bit 11 (multiplexed mode) or address bit 3 (non-multiplexed mode)."
      },
      {
        "number": "35",
        "name": "A10m/A2/P2.2",
        "type": "bidirectional",
        "description": "Port 2.2 GPIO, or External Memory Interface address bit 10 (multiplexed mode) or address bit 2 (non-multiplexed mode)."
      },
      {
        "number": "36",
        "name": "A9m/A1/P2.1",
        "type": "bidirectional",
        "description": "Port 2.1 GPIO, or External Memory Interface address bit 9 (multiplexed mode) or address bit 1 (non-multiplexed mode)."
      },
      {
        "number": "37",
        "name": "A8m/A0/P2.0",
        "type": "bidirectional",
        "description": "Port 2.0 GPIO, or External Memory Interface address bit 8 (multiplexed mode) or address bit 0 (non-multiplexed mode)."
      },
      {
        "number": "38",
        "name": "AD7/D7/P3.7/IE7",
        "type": "bidirectional",
        "description": "Port 3.7 GPIO, External Memory Address/Data bit 7 (multiplexed) or data bit 7 (non-multiplexed), and edge-sensitive external interrupt IE7 input."
      },
      {
        "number": "39",
        "name": "AD6/D6/P3.6/IE6",
        "type": "bidirectional",
        "description": "Port 3.6 GPIO, External Memory Address/Data bit 6 (multiplexed) or data bit 6 (non-multiplexed), and edge-sensitive external interrupt IE6 input."
      },
      {
        "number": "40",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital Ground. Must be tied to Ground."
      },
      {
        "number": "41",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital Supply Voltage. Must be tied to +2.7 to +3.6 V."
      },
      {
        "number": "42",
        "name": "AD5/D5/P3.5",
        "type": "bidirectional",
        "description": "Port 3.5 GPIO, or External Memory Address/Data bit 5 (multiplexed) or data bit 5 (non-multiplexed)."
      },
      {
        "number": "43",
        "name": "AD4/D4/P3.4",
        "type": "bidirectional",
        "description": "Port 3.4 GPIO, or External Memory Address/Data bit 4 (multiplexed) or data bit 4 (non-multiplexed)."
      },
      {
        "number": "44",
        "name": "AD3/D3/P3.3",
        "type": "bidirectional",
        "description": "Port 3.3 GPIO, or External Memory Address/Data bit 3 (multiplexed) or data bit 3 (non-multiplexed)."
      },
      {
        "number": "45",
        "name": "AD2/D2/P3.2",
        "type": "bidirectional",
        "description": "Port 3.2 GPIO, or External Memory Address/Data bit 2 (multiplexed) or data bit 2 (non-multiplexed)."
      },
      {
        "number": "46",
        "name": "AD1/D1/P3.1",
        "type": "bidirectional",
        "description": "Port 3.1 GPIO, or External Memory Address/Data bit 1 (multiplexed) or data bit 1 (non-multiplexed)."
      },
      {
        "number": "47",
        "name": "AD0/D0/P3.0",
        "type": "bidirectional",
        "description": "Port 3.0 GPIO, or External Memory Address/Data bit 0 (multiplexed) or data bit 0 (non-multiplexed)."
      },
      {
        "number": "48",
        "name": "/WR/P0.7",
        "type": "bidirectional",
        "description": "External Memory Interface write strobe /WR, or Port 0.7 GPIO; when EMIFLE is set the Crossbar skips this pin."
      },
      {
        "number": "49",
        "name": "/RD/P0.6",
        "type": "bidirectional",
        "description": "External Memory Interface read strobe /RD, or Port 0.6 GPIO; when EMIFLE is set the Crossbar skips this pin."
      },
      {
        "number": "50",
        "name": "ALE/P0.5",
        "type": "bidirectional",
        "description": "ALE strobe for the External Memory Address bus (multiplexed mode), or Port 0.5 GPIO."
      },
      {
        "number": "51",
        "name": "P0.4",
        "type": "bidirectional",
        "description": "Port 0.4 GPIO; the output mode is set by P0MDOUT and the pin may be assigned by the Crossbar."
      },
      {
        "number": "52",
        "name": "P0.3",
        "type": "bidirectional",
        "description": "Port 0.3 GPIO; the output mode is set by P0MDOUT and the pin may be assigned by the Crossbar."
      },
      {
        "number": "53",
        "name": "P0.2",
        "type": "bidirectional",
        "description": "Port 0.2 GPIO; the output mode is set by P0MDOUT and the pin may be assigned by the Crossbar."
      },
      {
        "number": "54",
        "name": "P0.1",
        "type": "bidirectional",
        "description": "Port 0.1 GPIO; the output mode is set by P0MDOUT and the pin may be assigned by the Crossbar."
      },
      {
        "number": "55",
        "name": "P0.0",
        "type": "bidirectional",
        "description": "Port 0.0 GPIO; the output mode is set by P0MDOUT and the pin may be assigned by the Crossbar."
      },
      {
        "number": "56",
        "name": "DGND",
        "type": "power_in",
        "description": "Digital Ground. Must be tied to Ground."
      },
      {
        "number": "57",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital Supply Voltage. Must be tied to +2.7 to +3.6 V."
      },
      {
        "number": "58",
        "name": "TMS",
        "type": "input",
        "description": "JTAG Test Mode Select with internal pull-up."
      },
      {
        "number": "59",
        "name": "TCK",
        "type": "input",
        "description": "JTAG Test Clock with internal pull-up."
      },
      {
        "number": "60",
        "name": "TDI",
        "type": "input",
        "description": "JTAG Test Data Input with internal pull-up; TDI is latched on the rising edge of TCK."
      },
      {
        "number": "61",
        "name": "TDO",
        "type": "tri_state",
        "description": "JTAG Test Data Output with internal pull-up; data is shifted out on the falling edge of TCK and TDO is a tri-state driver."
      },
      {
        "number": "62",
        "name": "/RST",
        "type": "bidirectional",
        "description": "Device Reset; open-drain output of the internal VDD monitor, driven low when VDD is below 2.7 V and MONEN is high, and an external source can drive it low to reset the system."
      },
      {
        "number": "63",
        "name": "DAC1",
        "type": "output",
        "description": "Digital to Analog Converter 1 voltage output (see DAC Specification for complete description)."
      },
      {
        "number": "64",
        "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 spelled out in the supplied text. The TQFP-64 mapping comes from the packa; Pins that are not bonded on the C8051F021 TQFP-64 are excluded: P4.x, P5.x, P6.x and P7.x (100-pin o; Pin 7 (VREF) is shared: bandgap reference output on all devices and DAC voltage reference input on C",
          "2/64 pins cited to the wrong page (name found elsewhere): ['17:XTAL1@p33', '18:XTAL2@p33']"
        ],
        "pages_sent": 33,
        "cost_usd": 0.2111,
        "at": "2026-10-19T06:55:51"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181700765933568",
        "pages": 272,
        "sha256": "805cf92c6d5b39ca",
        "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": "c8051f021-gqr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "60567e81b0770b6c519104183a7a05ba52dddc11146b5fbe21434fbb5801696c",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "c8051f021-gqr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3cdc928dc6250660dfbee0cf4bafef7a9d8bdb847617768df9e127d47949d516",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "SKYWORKS SILICON LABS",
      "Package": "TQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "805cf92c6d5b39ca9ce32ac7a5c6fa5a3c5c3ffcecbf2bc5053628aa6db2a0ba",
      "rows": [
        {
          "name": "Ambient temperature under bias",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Voltage on any Pin (except VDD and Port I/O) with respect to DGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Voltage on any Port I/O Pin or /RST with respect to DGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.8,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Voltage on VDD with respect to DGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 4.2,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Maximum Total current through VDD, AV+, DGND, and AGND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 800,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current sunk by any Port pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current sunk by any other I/O pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current sourced by any Port pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Maximum output current sourced by any other I/O pin",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 31,
          "source": "datasheet"
        },
        {
          "name": "Analog Supply Voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": 3,
          "max": 3.6,
          "conditions": "",
          "source_page": 32,
          "source": "datasheet"
        },
        {
          "name": "Analog Supply Current",
          "symbol": "",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.7,
          "conditions": "AV+=2.7 V, Internal REF, ADC, DAC, Comparators all active",
          "source_page": 32,
          "source": "datasheet"
        },
        {
          "name": "Analog Supply Current with analog sub-systems inactive",
          "symbol": "",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "AV+=2.7 V, Internal REF, ADC, DAC, Comparators all disabled, oscillator disabled, VDD Monitor disabled",
          "source_page": 32,
          "source": "datasheet"
        },
        {
          "name": "Digital Supply Voltage",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": 3,
          "max": 3.6,
          "conditions": "",
          "source_page": 32,
          "source": "datasheet"
        },
        {
          "name": "Digital Supply Current with CPU active",
          "symbol": "",
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