component
C8051F392-A-GMR
Public Made by Adomby adom
SKYWORKS SILICON LABS Microcontrollers (MCU/MPU/SOC), QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"description": "SKYWORKS SILICON LABS Microcontrollers (MCU/MPU/SOC), QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"c8051f392-a-gmr.step",
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"component": {
"mpn": "C8051F392-A-GMR",
"manufacturer": "SKYWORKS SILICON LABS",
"package": "QFN-20-EP(4x4)",
"pin_count": 21,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588904242971357184",
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"lbr": "c8051f392-a-gmr.lbr"
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"distributor_links": {
"lcsc": "C2802070"
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"distributor_check": {
"checked_at": "2026-10-17T23:49:03Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
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"mouser": {
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},
"pins": [
{
"number": "1",
"name": "P0.0/VREF",
"type": "bidirectional",
"description": "Port 0.0 digital I/O or analog input; also the external VREF input when the external voltage reference is used."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground; this ground connection is required, and the center pad may optionally be connected to ground also."
},
{
"number": "3",
"name": "VDD",
"type": "power_in",
"description": "Power supply voltage; the device is specified for 1.8 to 3.6 V operation."
},
{
"number": "4",
"name": "RST/C2CK",
"type": "bidirectional",
"description": "Device reset as an open-drain output of the internal POR or VDD monitor, where an external source can start a system reset by driving it low for at least 10 μs; this pin also carries the C2CK clock for the C2 debug interface."
},
{
"number": "5",
"name": "C2D/P2.0",
"type": "bidirectional",
"description": "Bi-directional data signal for the C2 debug interface, shared with Port 2.0 on 20-pin packaging."
},
{
"number": "6",
"name": "P1.7",
"type": "bidirectional",
"description": "Port 1.7 digital I/O or analog input."
},
{
"number": "7",
"name": "P1.6",
"type": "bidirectional",
"description": "Port 1.6 digital I/O or analog input."
},
{
"number": "8",
"name": "P1.5",
"type": "bidirectional",
"description": "Port 1.5 digital I/O or analog input."
},
{
"number": "9",
"name": "P1.4",
"type": "bidirectional",
"description": "Port 1.4 digital I/O or analog input."
},
{
"number": "10",
"name": "P1.3",
"type": "bidirectional",
"description": "Port 1.3 digital I/O or analog input."
},
{
"number": "11",
"name": "P1.2",
"type": "bidirectional",
"description": "Port 1.2 digital I/O or analog input."
},
{
"number": "12",
"name": "P1.1",
"type": "bidirectional",
"description": "Port 1.1 digital I/O or analog input."
},
{
"number": "13",
"name": "P1.0/IDA1",
"type": "bidirectional",
"description": "Port 1.0 digital I/O or analog input; on 20-pin devices this pin is also the IDA1 current DAC output."
},
{
"number": "14",
"name": "P0.7",
"type": "bidirectional",
"description": "Port 0.7 digital I/O or analog input."
},
{
"number": "15",
"name": "P0.6/CNVSTR",
"type": "bidirectional",
"description": "Port 0.6 digital I/O or analog input; also the ADC0 external convert start or IDA0 update source input CNVSTR."
},
{
"number": "16",
"name": "P0.5",
"type": "bidirectional",
"description": "Port 0.5 digital I/O or analog input; always assigned to UART0 RX by the crossbar."
},
{
"number": "17",
"name": "P0.4",
"type": "bidirectional",
"description": "Port 0.4 digital I/O or analog input; always assigned to UART0 TX by the crossbar."
},
{
"number": "18",
"name": "P0.3/XTAL2",
"type": "bidirectional",
"description": "Port 0.3 digital I/O or analog input; also the XTAL2 external oscillator output for a crystal or resonator, or the clock input for CMOS, capacitor, or RC configurations."
},
{
"number": "19",
"name": "P0.2/XTAL1",
"type": "bidirectional",
"description": "Port 0.2 digital I/O or analog input; also the XTAL1 external clock input and oscillator return for a crystal or resonator."
},
{
"number": "20",
"name": "P0.1/IDA0",
"type": "bidirectional",
"description": "Port 0.1 digital I/O or analog input; also the IDA0 current DAC output."
},
{
"number": "21",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"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: Pin 4 is shared: the datasheet lists RST/ on pin 4 and C2CK on the same pin (C2CK has no separate nu; The QFN-20 exposed center pad has no pin number in the datasheet (it is only described as optionally; The MPN suffix -GMR (tape and reel) is not listed in the datasheet. Table 2.1 lists C8051F392-A-GM a",
"exposed pad 21 added from the footprint"
],
"pages_sent": 38,
"cost_usd": 0.1609,
"at": "2026-10-17T23:46:53"
},
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"sha256": "4d666090a43badcf",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
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}
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