component
EFM8LB12F64E-C-QFP32
Public Made by Adomby adom
SILICON LABS Microcontroller Units (MCUs/MPUs/SOCs), TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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Ray
Publish 0.1.0
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"description": "SILICON LABS Microcontroller Units (MCUs/MPUs/SOCs), TQFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"component": {
"mpn": "EFM8LB12F64E-C-QFP32",
"manufacturer": "SILICON LABS",
"package": "TQFP-32(7x7)",
"pin_count": 32,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0fe5101814c8c0abfa6efc96b2aee57c.pdf",
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"distributor_links": {
"lcsc": "C3225525",
"digikey": "336-5842-ND",
"mouser": "634-LB12F64ECQFP32"
},
"distributor_check": {
"checked_at": "2026-11-02T17:17:38Z",
"source": "Component Ocean /api/assign-pns",
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"pn": "336-5842-ND",
"status": "found"
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"pn": "634-LB12F64ECQFP32",
"status": "found"
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"pins": [
{
"number": "1",
"name": "P0.0",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability that also serves as the VREF analog function, per Table 6.2."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "3",
"name": "VIO",
"type": "power_in",
"description": "I/O supply power input that powers the external I/O pins, with a minimum VIO given in Recommended Operating Conditions."
},
{
"number": "4",
"name": "VDD",
"type": "power_in",
"description": "Supply power input; all internal circuitry draws power from this pin, and operation is specified from 2.2 V up to 3.6 V."
},
{
"number": "5",
"name": "RSTb / C2CK",
"type": "input",
"description": "Active-low reset input that is shared with the C2 debug clock."
},
{
"number": "6",
"name": "P3.7 / C2D",
"type": "bidirectional",
"description": "Multifunction I/O that is shared with the C2 debug data signal."
},
{
"number": "7",
"name": "P3.3",
"type": "bidirectional",
"description": "Multifunction I/O with DAC3 analog output function."
},
{
"number": "8",
"name": "P3.2",
"type": "bidirectional",
"description": "Multifunction I/O with DAC2 analog output function."
},
{
"number": "9",
"name": "P3.1",
"type": "bidirectional",
"description": "Multifunction I/O with DAC1 analog output function."
},
{
"number": "10",
"name": "P3.0",
"type": "bidirectional",
"description": "Multifunction I/O with DAC0 analog output function."
},
{
"number": "11",
"name": "P2.6",
"type": "bidirectional",
"description": "Multifunction I/O with ADC0.19 input and comparator 1 inputs CMP1P.8 and CMP1N.8."
},
{
"number": "12",
"name": "P2.5",
"type": "bidirectional",
"description": "Multifunction I/O with CLU3OUT digital output and ADC0.18 analog input."
},
{
"number": "13",
"name": "P2.4",
"type": "bidirectional",
"description": "Multifunction I/O with ADC0.17 analog input and comparator 1 inputs CMP1P.6 and CMP1N.6."
},
{
"number": "14",
"name": "P2.3",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability and ADC0.16 analog input."
},
{
"number": "15",
"name": "P2.2",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability and ADC0.15 analog input."
},
{
"number": "16",
"name": "P2.1",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability that also carries the I2C0_SCL function and ADC0.14 analog input."
},
{
"number": "17",
"name": "P2.0",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability that also carries the I2C0_SDA function."
},
{
"number": "18",
"name": "P1.7",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability and ADC0.13 analog input."
},
{
"number": "19",
"name": "P1.6",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability and ADC0.12 analog input."
},
{
"number": "20",
"name": "P1.5",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability and ADC0.11 analog input."
},
{
"number": "21",
"name": "P1.4",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability and ADC0.10 analog input."
},
{
"number": "22",
"name": "P1.3",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability and ADC0.9 analog input."
},
{
"number": "23",
"name": "P1.2",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, ADC0.8 analog input, and comparator 0 inputs CMP0P.8 and CMP0N.8."
},
{
"number": "24",
"name": "P1.1",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, ADC0.7 analog input, and comparator 0 inputs CMP0P.7 and CMP0N.7."
},
{
"number": "25",
"name": "P1.0",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, CLU1OUT digital output, and ADC0.6 analog input."
},
{
"number": "26",
"name": "P0.7",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, external interrupts INT0.7 and INT1.7, and ADC0.5 analog input."
},
{
"number": "27",
"name": "P0.6",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, CNVSTR ADC conversion start function, and ADC0.4 analog input."
},
{
"number": "28",
"name": "P0.5",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability that also carries the UART0_RX function and ADC0.3 analog input."
},
{
"number": "29",
"name": "P0.4",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability that also carries the UART0_TX function and ADC0.2 analog input."
},
{
"number": "30",
"name": "P0.3",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability that also carries the EXTCLK external clock input and EXTOSC function."
},
{
"number": "31",
"name": "P0.2",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, CLU0OUT digital output, and ADC0.1 analog input."
},
{
"number": "32",
"name": "P0.1",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability and ADC0.0 analog input."
}
],
"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: Table 6.2 lists AGND (analog ground) below pin 32 without a pin number on the QFP32 package, so it i"
],
"pages_sent": 45,
"cost_usd": 0.0503,
"at": "2026-11-02T17:17:21"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/0fe5101814c8c0abfa6efc96b2aee57c.pdf",
"pages": 77,
"sha256": "4bb882f3cda45564",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 32,
"described": 32,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"checked": "2026-11-02",
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}