component
C8051F396-A-GMR
Public Made by Adomby adom
SKYWORKS SILICON LABS Microcontrollers (MCU/MPU/SOC), QFN-20(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "C8051F396-A-GMR",
"manufacturer": "SKYWORKS SILICON LABS",
"package": "QFN-20(4x4)",
"pin_count": 21,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603135709423149056",
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"lbr": "c8051f396-a-gmr.lbr"
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"distributor_links": {
"lcsc": "C3233041"
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"distributor_check": {
"checked_at": "2026-10-18T22:58:35Z",
"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 is digital I/O or analog input, and serves as the external VREF input when VREF is used, in which case its PnSKIP bit must be set so the Crossbar does not claim it."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground; this ground connection is required, and the center pad may optionally also be connected to ground."
},
{
"number": "3",
"name": "VDD",
"type": "power_in",
"description": "Power supply voltage; the device operates from 1.8 to 3.6 V."
},
{
"number": "4",
"name": "RST/C2CK",
"type": "bidirectional",
"description": "Open-drain device reset (output from internal POR or VDD monitor) that an external source can drive low for at least 10 µs to initiate a system reset; also carries the C2 debug clock signal C2CK."
},
{
"number": "5",
"name": "P2.0/C2D",
"type": "bidirectional",
"description": "Port 2.0 digital I/O or analog input, shared with the bidirectional C2 debug data signal C2D 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 the IDA1 current-mode 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, and its PnSKIP bit must be set when used for that function."
},
{
"number": "16",
"name": "P0.5",
"type": "bidirectional",
"description": "Port 0.5 digital I/O or analog input; always assigned to UART0 RX0 by the Crossbar for bootloading."
},
{
"number": "17",
"name": "P0.4",
"type": "bidirectional",
"description": "Port 0.4 digital I/O or analog input; always assigned to UART0 TX0 by the Crossbar for bootloading."
},
{
"number": "18",
"name": "P0.3/XTAL2",
"type": "bidirectional",
"description": "Port 0.3 digital I/O or analog input; as XTAL2 it is the external oscillator output (excitation driver) 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; as XTAL1 it is the 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-mode 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: Figure 4.1 (QFN-20 pinout diagram, top view) is an image and not in the extracted text, so pin numbe; The MPN carries a -GMR (tape-and-reel) suffix that does not appear in the text; the datasheet lists ; Pin types were inferred from the Table 4.1 'D I/O' / 'A In' / 'A Out' designations and mapped to KiC",
"exposed pad 21 added from the footprint"
],
"pages_sent": 38,
"cost_usd": 0.1602,
"at": "2026-10-18T22:56:22"
},
"datasheet": {
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"pages": 303,
"sha256": "4d666090a43badcf",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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"described": 21,
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