component
EFM8SB20F32G-B-QFP32
Public Made by Adomby adom
SILICON LABS Pre-ordered MCUs, QFP-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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{
"slug": "efm8sb20f32g-b-qfp32",
"version": "0.1.0",
"type": "component",
"description": "SILICON LABS Pre-ordered MCUs, QFP-32(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"embedded processors & controllers",
"efm8sb20f32g-b-qfp32",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
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"README.md",
"efm8sb20f32g-b-qfp32.kicad_sym",
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"efm8sb20f32g-b-qfp32.lbr",
"docs/hero.png",
"docs/efm8sb20f32g-b-qfp32-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"efm8sb20f32g-b-qfp32-hero.glb",
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],
"component": {
"mpn": "EFM8SB20F32G-B-QFP32",
"manufacturer": "SILICON LABS",
"package": "QFP-32(7x7)",
"pin_count": 32,
"category": "Embedded Processors & Controllers",
"subcategory": "Pre-ordered MCUs",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c994f29e46cd6ed624d13285dc82f4b7.pdf",
"parts": {
"symbol": "efm8sb20f32g-b-qfp32.kicad_sym",
"footprint": "efm8sb20f32g-b-qfp32.kicad_mod",
"model_3d": "efm8sb20f32g-b-qfp32-hero.glb",
"model_3d_plain": "efm8sb20f32g-b-qfp32.glb",
"model_3d_step": "efm8sb20f32g-b-qfp32-etched.step",
"model_3d_step_plain": "efm8sb20f32g-b-qfp32.step",
"lbr": "efm8sb20f32g-b-qfp32.lbr"
},
"distributor_links": {
"lcsc": "C1340048",
"digikey": "EFM8SB20F32G-B-QFP32-ND",
"mouser": "634-EFM8SBF32GBQFP32"
},
"distributor_check": {
"checked_at": "2026-11-13T20:36:50Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "EFM8SB20F32G-B-QFP32-ND",
"status": "found"
},
"mouser": {
"pn": "634-EFM8SBF32GBQFP32",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "N/C",
"type": "unconnected",
"description": "No connection; the pin definitions table lists this pin as no connection."
},
{
"number": "2",
"name": "GND",
"type": "power_in",
"description": "Ground pin for the device."
},
{
"number": "3",
"name": "VDD",
"type": "power_in",
"description": "Supply power input; the device is specified for a single supply of 1.8 to 3.6 V."
},
{
"number": "4",
"name": "N/C",
"type": "unconnected",
"description": "No connection; the pin definitions table lists this pin as no connection."
},
{
"number": "5",
"name": "N/C",
"type": "unconnected",
"description": "No connection; the pin definitions table lists this pin as no connection."
},
{
"number": "6",
"name": "RSTb / C2CK",
"type": "input",
"description": "Active-low reset input that is also the C2 debug clock (C2CK)."
},
{
"number": "7",
"name": "P2.7 / C2D",
"type": "bidirectional",
"description": "Multifunction I/O that is also the C2 debug data line (C2D); the table lists no crossbar capability for this pin."
},
{
"number": "8",
"name": "P2.6",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as EMIF_WRb, ADC0.22, CMP0P.11 and CMP1P.11."
},
{
"number": "9",
"name": "XTAL4",
"type": "passive",
"description": "RTC crystal connection XTAL4 for the external 32 kHz RTC crystal."
},
{
"number": "10",
"name": "XTAL3",
"type": "passive",
"description": "RTC crystal connection XTAL3 for the external 32 kHz RTC crystal."
},
{
"number": "11",
"name": "P2.5",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as EMIF_RDb, ADC0.21, CMP0N.10 and CMP1N.10."
},
{
"number": "12",
"name": "P2.4",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as EMIF_ALE, ADC0.20, CMP0P.10 and CMP1P.10."
},
{
"number": "13",
"name": "P2.3",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as EMIF_A11, ADC0.19, CMP0N.9 and CMP1N.9."
},
{
"number": "14",
"name": "P2.2",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as EMIF_A10, ADC0.18, CMP0P.9 and CMP1P.9."
},
{
"number": "15",
"name": "P2.1",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as EMIF_A9, ADC0.17, CMP0N.8 and CMP1N.8."
},
{
"number": "16",
"name": "P2.0",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as EMIF_A8, ADC0.16, CMP0P.8 and CMP1P.8."
},
{
"number": "17",
"name": "P1.7",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P1MAT.7, EMIF_AD7, ADC0.15, CMP0N.7 and CMP1N.7."
},
{
"number": "18",
"name": "P1.6",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P1MAT.6, EMIF_AD6, ADC0.14, CMP0P.7 and CMP1P.7."
},
{
"number": "19",
"name": "P1.5",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P1MAT.5, EMIF_AD5, ADC0.13, CMP0N.6 and CMP1N.6."
},
{
"number": "20",
"name": "P1.4",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P1MAT.4, EMIF_AD4, ADC0.12, CMP0P.6 and CMP1P.6."
},
{
"number": "21",
"name": "P1.3",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P1MAT.3, SPI1_NSS, EMIF_AD3, ADC0.11, CMP0N.5 and CMP1N.5."
},
{
"number": "22",
"name": "P1.2",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P1MAT.2, SPI1_MOSI, EMIF_AD2, ADC0.10, CMP0P.5 and CMP1P.5."
},
{
"number": "23",
"name": "P1.1",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P1MAT.1, SPI1_MISO, EMIF_AD1, ADC0.9, CMP0N.4 and CMP1N.4."
},
{
"number": "24",
"name": "P1.0",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P1MAT.0, SPI1_SCK, EMIF_AD0, ADC0.8, CMP0P.4 and CMP1P.4."
},
{
"number": "25",
"name": "P0.7",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P0MAT.7, INT0.7, INT1.7, ADC0.7, IREF0, CMP0N.3 and CMP1N.3."
},
{
"number": "26",
"name": "P0.6",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P0MAT.6, CNVSTR, INT0.6, INT1.6, ADC0.6, CMP0P.3 and CMP1P.3."
},
{
"number": "27",
"name": "P0.5",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P0MAT.5, INT0.5, INT1.5, ADC0.5, CMP0N.2 and CMP1N.2."
},
{
"number": "28",
"name": "P0.4",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P0MAT.4, INT0.4, INT1.4, ADC0.4, CMP0P.2 and CMP1P.2."
},
{
"number": "29",
"name": "P0.3",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P0MAT.3, EXTCLK, INT0.3, INT1.3, ADC0.3, XTAL2, CMP0N.1 and CMP1N.1."
},
{
"number": "30",
"name": "P0.2",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P0MAT.2, INT0.2, INT1.2, ADC0.2, XTAL1, CMP0P.1 and CMP1P.1."
},
{
"number": "31",
"name": "P0.1",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P0MAT.1, INT0.1, INT1.1, ADC0.1, AGND, CMP0N.0 and CMP1N.0."
},
{
"number": "32",
"name": "P0.0",
"type": "bidirectional",
"description": "Multifunction I/O with crossbar capability, also available as P0MAT.0, INT0.0, INT1.0, ADC0.0, VREF, CMP0P.0 and CMP1P.0."
}
],
"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 7 (P2.7 / C2D) has a blank Crossbar Capability entry in Table 6.3, while all other I/O pins are ; Table 6.3 for the QFP32 package lists no center ground pad, unlike the QFN32 and QFN24 tables. No ce; Pin types are KiCad-class inferences from the function names: multifunction I/O is recorded as bidir"
],
"pages_sent": 29,
"cost_usd": 0.1734,
"at": "2026-11-13T20:36:39"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/c994f29e46cd6ed624d13285dc82f4b7.pdf",
"pages": 55,
"sha256": "bd12812dfeaa3893",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 32,
"described": 32,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "efm8sb20f32g-b-qfp32.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.0,
9.0,
1.5
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "be0e412f1c66fee70039b0e109e0cc7c823161dda97593718afa97569bc61ce3",
"checked": "2026-11-13",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "efm8sb20f32g-b-qfp32-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9.0,
9.0,
1.5
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "ec2ab977f4d3b0703d1944c3dcc850069cb5ad8afd7c0b3e69ec30a9f309dd1a",
"checked": "2026-11-13",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "QFP32",
"source_page": 47,
"D": {
"nom_mm": 7.0,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 7.0,
"range_mm": [
null,
null
]
},
"E": {
"nom_mm": 9.0,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.8,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 1.6,
"range_mm": [
null,
1.6
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "efm8sb20f32g-b-qfp32.step",
"verdict": "PASS",
"reasons": [
"height and body within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
}
}