component
C8051F381-GM
Public Made by Adomby adom
SILICON LABS Microcontroller Units (MCUs/MPUs/SOCs), QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
Set visibility: public
81c0ae7
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154
{
"schema_version": 1,
"type": "component",
"slug": "c8051f381-gm",
"title": "C8051F381-GM",
"brief": "SILICON LABS Microcontroller Units (MCUs/MPUs/SOCs), QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"embedded processors & controllers",
"c8051f381-gm",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "C8051F381-GM",
"manufacturer": "SILICON LABS",
"package": "QFN-32-EP(5x5)",
"pin_count": 33,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/56d9ae2ac88fdd941f8660e1332c513a.pdf",
"parts": {
"symbol": "c8051f381-gm.kicad_sym",
"footprint": "c8051f381-gm.kicad_mod",
"model_3d": "c8051f381-gm-hero.glb",
"model_3d_plain": "c8051f381-gm-etched.glb",
"model_3d_step": "c8051f381-gm-etched.step",
"model_3d_step_plain": "c8051f381-gm.step",
"lbr": "c8051f381-gm.lbr"
},
"distributor_links": {
"lcsc": "C1522096",
"digikey": "336-2022-ND",
"mouser": "634-C8051F381-GM"
},
"distributor_check": {
"checked_at": "2026-10-30T22:48:58Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "336-2022-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "634-C8051F381-GM",
"status": "found",
"lifecycle": "Not Recommended for New Designs"
}
},
"pins": [
{
"number": "1",
"name": "P0.1",
"type": "bidirectional",
"description": "Port 0.1 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "2",
"name": "P0.0",
"type": "bidirectional",
"description": "Port 0.0 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "4",
"name": "D+",
"type": "bidirectional",
"description": "USB D+ signal pin."
},
{
"number": "5",
"name": "D-",
"type": "bidirectional",
"description": "USB D- signal pin."
},
{
"number": "6",
"name": "VDD",
"type": "power_in",
"description": "Power supply voltage input of 2.7-3.6 V; the same pin also carries the 3.3 V voltage regulator output."
},
{
"number": "7",
"name": "REGIN",
"type": "power_in",
"description": "5 V regulator input to the on-chip voltage regulator."
},
{
"number": "8",
"name": "VBUS",
"type": "power_in",
"description": "VBUS sense input connected to the USB VBUS signal; a 5 V signal on this pin indicates a USB connection."
},
{
"number": "9",
"name": "RST/C2CK",
"type": "bidirectional",
"description": "Device reset: open-drain output of the internal POR or VDD monitor, and an external source driving it low for at least 15 µs initiates a system reset; also the C2 debug interface clock."
},
{
"number": "10",
"name": "P3.0/C2D",
"type": "bidirectional",
"description": "Port 3.0 digital I/O or analog input; also the bi-directional data signal for the C2 debug interface."
},
{
"number": "11",
"name": "P2.7",
"type": "bidirectional",
"description": "Port 2.7 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "12",
"name": "P2.6",
"type": "bidirectional",
"description": "Port 2.6 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "13",
"name": "P2.5",
"type": "bidirectional",
"description": "Port 2.5 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "14",
"name": "P2.4",
"type": "bidirectional",
"description": "Port 2.4 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "15",
"name": "P2.3",
"type": "bidirectional",
"description": "Port 2.3 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "16",
"name": "P2.2",
"type": "bidirectional",
"description": "Port 2.2 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "17",
"name": "P2.1",
"type": "bidirectional",
"description": "Port 2.1 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "18",
"name": "P2.0",
"type": "bidirectional",
"description": "Port 2.0 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "19",
"name": "P1.7",
"type": "bidirectional",
"description": "Port 1.7 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "20",
"name": "P1.6",
"type": "bidirectional",
"description": "Port 1.6 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "21",
"name": "P1.5",
"type": "bidirectional",
"description": "Port 1.5 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "22",
"name": "P1.4",
"type": "bidirectional",
"description": "Port 1.4 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "23",
"name": "P1.3",
"type": "bidirectional",
"description": "Port 1.3 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "24",
"name": "P1.2",
"type": "bidirectional",
"description": "Port 1.2 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "25",
"name": "P1.1",
"type": "bidirectional",
"description": "Port 1.1 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "26",
"name": "P1.0",
"type": "bidirectional",
"description": "Port 1.0 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "27",
"name": "P0.7",
"type": "bidirectional",
"description": "Port 0.7 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "28",
"name": "P0.6",
"type": "bidirectional",
"description": "Port 0.6 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "29",
"name": "P0.5",
"type": "bidirectional",
"description": "Port 0.5 digital I/O (push-pull or open-drain) or analog input; UART RX0 is fixed to this pin for bootloading."
},
{
"number": "30",
"name": "P0.4",
"type": "bidirectional",
"description": "Port 0.4 digital I/O (push-pull or open-drain) or analog input; UART TX0 is fixed to this pin for bootloading."
},
{
"number": "31",
"name": "P0.3",
"type": "bidirectional",
"description": "Port 0.3 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "32",
"name": "P0.2",
"type": "bidirectional",
"description": "Port 0.2 digital I/O (push-pull or open-drain) or analog input, assignable to peripherals through the crossbar."
},
{
"number": "33",
"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: The QFN-32 exposed thermal pad is labelled 'GND (optional)' in Figure 3.7 (page 31) but has no numbe; Table 3.1 lists the VDD pin as both 'Power In' and 'Power Out' (3.3 V regulator output); it is recor; RST/C2CK and P3.0/C2D share pins with debug functions; types were mapped to bidirectional from the d",
"exposed pad 33 added from the footprint"
],
"pages_sent": 32,
"cost_usd": 0.1433,
"at": "2026-10-30T22:48:39"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/56d9ae2ac88fdd941f8660e1332c513a.pdf",
"pages": 321,
"sha256": "1e2365a43af9ad55",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "c8051f381-gm.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "c8051f381-gm-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "2be471ce46e02606a66ada85ae34140108897e59df8f0bc884fff386fa905e81",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "QFN-32",
"source_page": 32,
"D": {
"nom_mm": 5,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 5,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 0.85,
"range_mm": [
0.8,
0.9
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "c8051f381-gm.step",
"verdict": "PASS",
"reasons": [
"height within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "SILICON LABS",
"Package": "QFN-32-EP(5x5)",
"Category": "Embedded Processors & Controllers",
"Pins": "33"
},
"appearance": {
"housing": {
"quote": "4. The recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body",
"page": 26,
"doc": "ds.pdf",
"material": "PC"
},
"version": 1,
"datasheet_sha256": "1e2365a43af9ad552f575f40763ea4afc78bae46b93a8897e94653422522f6ab"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "1e2365a43af9ad552f575f40763ea4afc78bae46b93a8897e94653422522f6ab",
"rows": [
{
"name": "SYSCLK (System Clock)",
"symbol": "SYSCLK",
"kind": "recommended_operating",
"unit": "MHz",
"min": 0,
"typ": null,
"max": 48,
"conditions": "",
"source_page": 38,
"source": "datasheet"
},
{
"name": "Specified Operating Temperature Range",
"symbol": "",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 38,
"source": "datasheet"
},
{
"name": "Digital Supply Current—CPU Active, SYSCLK = 48 MHz",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 12,
"max": 14,
"conditions": "SYSCLK = 48 MHz, VDD = 3.3 V",
"source_page": 38,
"source": "datasheet"
},
{
"name": "Digital Supply Current—CPU Active, SYSCLK = 24 MHz",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 7,
"max": 8,
"conditions": "SYSCLK = 24 MHz, VDD = 3.3 V",
"source_page": 38,
"source": "datasheet"
},
{
"name": "Digital Supply Current—CPU Active, SYSCLK = 1 MHz",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.45,
"max": 0.85,
"conditions": "SYSCLK = 1 MHz, VDD = 3.3 V",
"source_page": 38,
"source": "datasheet"
},
{
"name": "Digital Supply Current—CPU Inactive (Idle), SYSCLK = 48 MHz",
"symbol": "Idle IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 6.5,
"max": 8,
"conditions": "SYSCLK = 48 MHz, VDD = 3.3 V",
"source_page": 38,
"source": "datasheet"
},
{
"name": "Digital Supply Current—CPU Inactive (Idle), SYSCLK = 24 MHz",
"symbol": "Idle IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 3.5,
"max": 5,
"conditions": "SYSCLK = 24 MHz, VDD = 3.3 V",
"source_page": 38,
"source": "datasheet"
},
{
"name": "Input High Voltage",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "",
"source_page": 39,
"source": "datasheet"
},
{
"name": "Input Low Voltage",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 39,
"source": "datasheet"
},
{
"name": "RST Output Low Voltage",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.6,
"conditions": "IOL = 8.5 mA, VDD = 2.7 V to 3.6 V",
"source_page": 39,
"source": "datasheet"
},
{
"name": "RST Input Pullup Current",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 15,
"max": 40,
"conditions": "RST = 0.0 V",
"source_page": 39,
"source": "datasheet"
},
{
"name": "VDD Monitor Threshold",
"symbol": "VRST",
"kind": "electrical",
"unit": "V",
"min": 2.6,
"typ": 2.65,
"max": 2.7,
"conditions": "",
"source_page": 39,
"source": "datasheet"
},
{
"name": "Missing Clock Detector Timeout",
"symbol": "",
"kind": "timing",
"unit": "µs",
"min": 80,
"typ": 580,
"max": 800,
"conditions": "Time from last system clock rising edge to reset initiation",
"source_page": 39,
"source": "datasheet"
},
{
"name": "Reset Time Delay",
"symbol": "",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 250,
"conditions": "Delay between release of any reset source and code execution at location 0x0000",
"source_page": 39,
"source": "datasheet"
},
{
"name": "Minimum RST Low Time to Generate a System Reset",
"symbol": "",
"kind": "timing",
"unit": "µs",
"min": 15,
"typ": null,
"max": null,
"conditions": "",
"source_page": 39,
"source": "datasheet"
},
{
"name": "VDD Monitor Turn-on Time",
"symbol": "",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 39,
"source": "datasheet"
},
{
"name": "Digital Supply Voltage REG0 Input Voltage Range",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 5.25,
"conditions": "",
"source_page": 40,
"source": "datasheet"
},
{
"name": "REG0 Output Voltage (VDD)",
"symbol": "VDD",
"kind": "electrical",
"unit": "V",
"min": 3,
"typ": 3.3,
"max": 3.6,
"conditions": "Output Current = 1 to 100 mA",
"source_page": 40,
"source": "datasheet"
},
{
"name": "REG0 Output Current",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 40,
"source": "datasheet"
},
{
"name": "REG1 Input Voltage Range",
"symbol": "",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 3.6,
"conditions": "",
"source_page": 40,
"source": "datasheet"
},
{
"name": "Flash Size",
"symbol": "",
"kind": "electrical",
"unit": "Bytes",
"min": 65536,
"typ": null,
"max": null,
"conditions": "C8051F380/1/4/5 row (Table 5.6 footnote 1 applies)",
"source_page": 40,
"source": "datasheet"
},
{
"name": "Erase Cycle Time",
"symbol": "",
"kind": "timing",
"unit": "ms",
"min": 10,
"typ": 15,
"max": 22.5,
"conditions": "25 MHz System Clock",
"source_page": 40,
"source": "datasheet"
},
{
"name": "Write Cycle Time",
"symbol": "",
"kind": "timing",
"unit": "µs",
"min": 10,
"typ": 15,
"max": 20,
"conditions": "25 MHz System Clock",
"source_page": 40,
"source": "datasheet"
},
{
"name": "Internal High-Frequency Oscillator Frequency",
"symbol": "",
"kind": "electrical",
"unit": "MHz",
"min": 47.3,
"typ": 48,
"max": 48.7,
"conditions": "IFCN = 11b",
"source_page": 41,
"source": "datasheet"
},
{
"name": "Internal Low-Frequency Oscillator Frequency",
"symbol": "",
"kind": "electrical",
"unit": "kHz",
"min": 75,
"typ": 80,
"max": 85,
"conditions": "OSCLD = 11b",
"source_page": 41,
"source": "datasheet"
},
{
"name": "External Crystal Frequency",
"symbol": "",
"kind": "electrical",
"unit": "MHz",
"min": 0.02,
"typ": null,
"max": 30,
"conditions": "",
"source_page": 41,
"source": "datasheet"
},
{
"name": "ADC0 Integral Nonlinearity",
"symbol": "",
"kind": "electrical",
"unit": "LSB",
"min": -1,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 42,
"source": "datasheet"
},
{
"name": "ADC0 Offset Error",
"symbol": "",
"kind": "electrical",
"unit": "LSB",
"min": -2,
"typ": 0,
"max": 2,
"conditions": "",
"source_page": 42,
"source": "datasheet"
},
{
"name": "ADC0 Full Scale Error",
"symbol": "",
"kind": "electrical",
"unit": "LSB",
"min": -5,
"typ": -2,
"max": 0,
"conditions": "",
"source_page": 42,
"source": "datasheet"
},
{
"name": "ADC0 Signal-to-Noise Plus Distortion",
"symbol": "",
"kind": "electrical",
"unit": "dB",
"min": 55,
"typ": 58,
"max": null,
"conditions": "10 kHz sine-wave single-ended input, 1 dB below Full Scale, 500 ksps",
"source_page": 42,
"source": "datasheet"
},
{
"name": "ADC0 Conversion Time in SAR Clocks",
"symbol": "",
"kind": "timing",
"unit": "clocks",
"min": 13,
"typ": null,
"max": null,
"conditions": "10-bit Mode",
"source_page": 42,
"source": "datasheet"
},
{
"name": "ADC0 Power Supply Current (VDD supplied to ADC0)",
"symbol": "",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 750,
"max": 1000,
"conditions": "Operating Mode, 500 ksps",
"source_page": 42,
"source": "datasheet"
},
{
"name": "Internal Reference Output Voltage",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": 2.38,
"typ": 2.42,
"max": 2.46,
"conditions": "25 °C ambient",
"source_page": 43,
"source": "datasheet"
},
{
"name": "VREF Short-Circuit Current",
"symbol": "",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 8,
"conditions": "",
"source_page": 43,
"source": "datasheet"
},
{
"name": "Comparator Common-Mode Rejection Ratio",
"symbol": "",
"kind": "electrical",
"unit": "mV/V",
"min": null,
"typ": 1.5,
"max": 4,
"conditions": "",
"source_page": 44,
"source": "datasheet"
},
{
"name": "Comparator Positive Hysteresis 1",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 0,
"max": 1,
"conditions": "CP0HYP1–0 = 00",
"source_page": 44,
"source": "datasheet"
},
{
"name": "Comparator Positive Hysteresis 2",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": 2,
"typ": 5,
"max": 10,
"conditions": "CP0HYP1–0 = 01",
"source_page": 44,
"source": "datasheet"
},
{
"name": "Comparator Positive Hysteresis 3",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": 7,
"typ": 10,
"max": 20,
"conditions": "CP0HYP1–0 = 10",
"source_page": 44,
"source": "datasheet"
},
{
"name": "Comparator Positive Hysteresis 4",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": 15,
"typ": 20,
"max": 30,
"conditions": "CP0HYP1–0 = 11",
"source_page": 44,
"source": "datasheet"
},
{
"name": "Comparator Negative Hysteresis 1",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 0,
"max": 1,
"conditions": "CP0HYN1–0 = 00",
"source_page": 44,
"source": "datasheet"
},
{
"name": "Comparator Negative Hysteresis 2",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": 2,
"typ": 5,
"max": 10,
"conditions": "CP0HYN1–0 = 01",
"source_page": 44,
"source": "datasheet"
},
{
"name": "Comparator Negative Hysteresis 3",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": 7,
"typ": 10,
"max": 20,
"conditions": "CP0HYN1–0 = 10",
"source_page": 44,
"source": "datasheet"
},
{
"name": "Comparator Negative Hysteresis 4",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": 15,
"typ": 20,
"max": 30,
"conditions": "CP0HYN1–0 = 11",
"source_page": 44,
"source": "datasheet"
},
{
"name": "Comparator Inverting or Non-Inverting Input Voltage Range",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": -0.25,
"typ": null,
"max": null,
"conditions": "",
"source_page": 44,
"source": "datasheet"
},
{
"name": "Comparator Input Offset Voltage",
"symbol": "",
"kind": "electrical",
"unit": "mV",
"min": -10,
"typ": null,
"max": 10,
"conditions": "",
"source_page": 44,
"source": "datasheet"
},
{
"name": "USB Transmitter Output High Voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 2.8,
"typ": null,
"max": null,
"conditions": "",
"source_page": 45,
"source": "datasheet"
},
{
"name": "USB Transmitter Output Low Voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 45,
"source": "datasheet"
},
{
"name": "VBUS Detection Input Low Voltage",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1,
"conditions": "",
"source_page": 45,
"source": "datasheet"
},
{
"name": "VBUS Detection Input High Voltage",
"symbol": "",
"kind": "electrical",
"unit": "V",
"min": 3,
"typ": null,
"max": null,
"conditions": "",
"source_page": 45,
"source": "datasheet"
},
{
"name": "Output Crossover Point",
"symbol": "VCRS",
"kind": "electrical",
"unit": "V",
"min": 1.3,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 45,
"source": "datasheet"
},
{
"name": "Pull-up Resistance (Full Speed D+ Pull-up)",
"symbol": "RPU",
"kind": "electrical",
"unit": "k",
"min": 1.425,
"typ": 1.5,
"max": 1.575,
"conditions": "Full Speed (D+ Pull-up)",
"source_page": 45,
"source": "datasheet"
},
{
"name": "Differential Input Sensitivity",
"symbol": "VDI",
"kind": "electrical",
"unit": "V",
"min": 0.2,
"typ": null,
"max": null,
"conditions": "| (D+) – (D–) |",
"source_page": 45,
"source": "datasheet"
},
{
"name": "Junction Temperature Under Bias",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -55,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 37,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 37,
"source": "datasheet"
},
{
"name": "Voltage on RST, VBUS, or any Port I/O Pin with Respect to GND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 5.8,
"conditions": "VDD > 2.2 V",
"source_page": 37,
"source": "datasheet"
},
{
"name": "Voltage on RST, VBUS, or any Port I/O Pin with Respect to GND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "VDD < 2.2 V",
"source_page": 37,
"source": "datasheet"
},
{
"name": "Voltage on VDD with Respect to GND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 4.2,
"conditions": "Regulator1 in Normal Mode",
"source_page": 37,
"source": "datasheet"
},
{
"name": "Voltage on VDD with Respect to GND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 1.98,
"conditions": "Regulator1 in Bypass Mode",
"source_page": 37,
"source": "datasheet"
},
{
"name": "Maximum Total Current through VDD or GND",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 500,
"conditions": "",
"source_page": 37,
"source": "datasheet"
},
{
"name": "Maximum Output Current sunk by RST or any Port Pin",
"symbol": "",
"kind": "absolute_maximum",
"unit": "mA",
"min": null,
"typ": null,
"max": 100,
"conditions": "",
"source_page": 37,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"c8051f381-gm"
],
"discovery_pitch": "C8051F381-GM (SILICON LABS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"c8051f381-gm.kicad_sym",
"c8051f381-gm.kicad_mod",
"c8051f381-gm.glb",
"c8051f381-gm.step",
"c8051f381-gm.lbr",
"docs/hero.png",
"docs/c8051f381-gm-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"c8051f381-gm-hero.glb",
"c8051f381-gm-hero.overlay.json",
"c8051f381-gm-etched.glb"
],
"visibility": {
"public": true
}
}