component
CP2112-F03-GMR
Public Made by Adomby adom
SILICON LABS USB ICs, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "cp2112-f03-gmr",
"version": "0.1.0",
"type": "component",
"description": "SILICON LABS USB ICs, QFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"interface ics",
"cp2112-f03-gmr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"cp2112-f03-gmr.kicad_sym",
"cp2112-f03-gmr.kicad_mod",
"cp2112-f03-gmr.glb",
"cp2112-f03-gmr.step",
"cp2112-f03-gmr.lbr",
"docs/hero.png",
"docs/cp2112-f03-gmr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"cp2112-f03-gmr-hero.glb",
"cp2112-f03-gmr-hero.overlay.json",
"cp2112-f03-gmr-etched.glb"
],
"component": {
"mpn": "CP2112-F03-GMR",
"manufacturer": "SILICON LABS",
"package": "QFN-24-EP(4x4)",
"pin_count": 25,
"category": "Interface ICs",
"subcategory": "USB ICs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ae5bef5cac415487f8bcb5ada2c7aa09.pdf",
"parts": {
"symbol": "cp2112-f03-gmr.kicad_sym",
"footprint": "cp2112-f03-gmr.kicad_mod",
"model_3d": "cp2112-f03-gmr-hero.glb",
"model_3d_plain": "cp2112-f03-gmr-etched.glb",
"model_3d_step": "cp2112-f03-gmr-etched.step",
"model_3d_step_plain": "cp2112-f03-gmr.step",
"lbr": "cp2112-f03-gmr.lbr"
},
"distributor_links": {
"lcsc": "C2678020",
"digikey": "336-4827-2-ND",
"mouser": "634-CP2112-F03-GMR"
},
"distributor_check": {
"checked_at": "2026-11-07T01:59:53Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "336-4827-2-ND",
"status": "found"
},
"mouser": {
"pn": "634-CP2112-F03-GMR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "SDA",
"type": "bidirectional",
"description": "Serial Data signal for SMBus interface."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground; must be tied to ground."
},
{
"number": "3",
"name": "D+",
"type": "bidirectional",
"description": "USB D+ data line."
},
{
"number": "4",
"name": "D-",
"type": "bidirectional",
"description": "USB D- data line."
},
{
"number": "5",
"name": "VIO",
"type": "power_in",
"description": "I/O supply voltage input (1.8 V to VDD)."
},
{
"number": "6",
"name": "VDD",
"type": "power_in",
"description": "Power supply voltage input, also the voltage regulator output (3.45 V on-chip regulator)."
},
{
"number": "7",
"name": "REGIN",
"type": "power_in",
"description": "5 V regulator input; input to the on-chip voltage regulator."
},
{
"number": "8",
"name": "VBUS",
"type": "power_in",
"description": "VBUS sense input; should be connected to the VBUS signal of a USB network."
},
{
"number": "9",
"name": "/RST",
"type": "bidirectional",
"description": "Device reset; open-drain output of internal POR or VDD monitor, and an external source can reset the system by driving it low."
},
{
"number": "10",
"name": "NC",
"type": "unconnected",
"description": "Should be left unconnected or tied to VIO."
},
{
"number": "11",
"name": "SUSPEND",
"type": "output",
"description": "Logic high when the CP2112 is in the USB Suspend state."
},
{
"number": "12",
"name": "GPIO.7_CLK",
"type": "bidirectional",
"description": "User-configurable input or output; in CLK mode outputs a clock signal with configurable frequency."
},
{
"number": "13",
"name": "GPIO.6",
"type": "bidirectional",
"description": "User-configurable input or output."
},
{
"number": "14",
"name": "GPIO.5",
"type": "bidirectional",
"description": "User-configurable input or output."
},
{
"number": "15",
"name": "GPIO.4",
"type": "bidirectional",
"description": "User-configurable input or output."
},
{
"number": "16",
"name": "VPP",
"type": "passive",
"description": "Connect a 4.7 µF capacitor between this pin and ground to support ROM programming via the USB interface."
},
{
"number": "17",
"name": "/SUSPEND",
"type": "output",
"description": "Logic low when the CP2112 is in the USB Suspend state."
},
{
"number": "18",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "19",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "20",
"name": "GPIO.3",
"type": "bidirectional",
"description": "User-configurable input or output."
},
{
"number": "21",
"name": "GPIO.2",
"type": "bidirectional",
"description": "User-configurable input or output."
},
{
"number": "22",
"name": "GPIO.1_RXT",
"type": "bidirectional",
"description": "User-configurable input or output; in RXT mode it is the Receive Toggle pin, toggling to indicate SMBus transmission and high when none is in progress."
},
{
"number": "23",
"name": "GPIO.0_TXT",
"type": "bidirectional",
"description": "User-configurable input or output; in TXT mode it is the Transmit Toggle pin, toggling to indicate SMBus transmission and high when none is in progress."
},
{
"number": "24",
"name": "SCL",
"type": "bidirectional",
"description": "Serial Clock signal for SMBus interface."
},
{
"number": "25",
"name": "GND",
"type": "power_in",
"description": "Center exposed pad, ground."
}
],
"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: Datasheet ordering section lists CP2112-F03-GM; the requested MPN CP2112-F03-GMR is the tape-and-ree; The exposed center pad has no pin number in the datasheet; '25' is an assigned label.; Pin types are inferred from the datasheet's Type column (D I/O, D Out, Power In, etc.). Pin 6 VDD is",
"1/25 pin names appear NOWHERE in the datasheet text: ['3:D+@p10']"
],
"pages_sent": 14,
"cost_usd": 0.0796,
"at": "2026-11-07T01:59:41"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/ae5bef5cac415487f8bcb5ada2c7aa09.pdf",
"pages": 27,
"sha256": "674078bf07ef50fa",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "cp2112-f03-gmr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
"checked": "2026-11-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cp2112-f03-gmr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "4db4bb5fbee82ecfa397f24cc425f3dd188080d2291a8b63bf0666aed67078c6",
"checked": "2026-11-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}