I-REENESAS RA2E1 i-Capacitive Sensor MCU

I-MCU ye-Capacitive Sensor
Capacitive Touch Noise Immunity Guide

Intshayelelo
I-Renesas Capacitive Touch Sensor Unit (CTSU) inokuchaphazeleka kwingxolo kwindawo ejikelezileyo kuba inokubona utshintsho oluncinci kwi-capacitance, eveliswa yimiqondiso yombane engafunekiyo (ingxolo). Umphumo wale ngxolo unokuxhomekeka kuyilo lwehardware. Ngoko ke, ukuthatha amanyathelo okuthintela kwi-design stage iya kukhokelela kwi-CTSU MCU ekwaziyo ukumelana nengxolo yokusingqongileyo kunye nophuhliso olusebenzayo lwemveliso. Eli nqaku lesicelo lichaza iindlela zokuphucula ukugonywa kwengxolo kwiimveliso zisebenzisa iRenesas Capacitive Touch Sensor Unit (CTSU) yimigangatho ye-IEC yokhuseleko lwengxolo (IEC61000-4).

Isixhobo ekujoliswe kuso
I-RX Family, i-RA Family, i-RL78 yoSapho lwe-MCUs kunye ne-Renesas Synergy™ ifakela i-CTSU (CTSU, CTSU2, CTSU2L, CTSU2La, CTSU2SL)

Imigangatho echazwe kweli nqaku lesicelo 

• IEC-61000-4-3
• IEC-61000-4-6

Ngaphezuluview

I-CTSU ilinganisa ubungakanani bombane osisigxina ukusuka kwintlawulo yombane xa i-electrode ibanjwe. Ukuba amandla okutshintsha kwe-electrode ngenxa yengxolo ngexesha lokulinganisa, umbane wokutshaja uphinde utshintshe, uchaphazela ixabiso elilinganisiweyo. Ngokukodwa, ukuguquguquka okukhulu kwixabiso elilinganisiweyo kunokugqithisa umda wokuchukumisa, okubangela ukuba isixhobo singasebenzi kakuhle. Ukuguquguquka okuncinci kwixabiso elilinganisiweyo kunokuchaphazela izicelo ezifuna imilinganiselo yomgca. Ulwazi malunga ne-CTSU capacitive touch touch behaviour kunye noyilo lwebhodi lubalulekile xa kuqwalaselwa ukhuselo lwengxolo lwe-CTSU capacitive touch systems. Sicebisa abasebenzisi bokuqala be-CTSU ukuba bazenzele i-CTSU kunye nemigaqo yokuchukumisa amandla ngokufunda la maxwebhu alandelayo anxulumeneyo.

• Ulwazi olusisiseko malunga nokufunyanwa kwe-capacitive touch kunye ne-CTSU
• Isikhokelo soMsebenzisi sokuChwetheza kweCapacitive ye-Capacitive Sensor MCUs (R30AN0424)
• Ulwazi malunga noyilo lwebhodi yehardware
  I-Capacitive Sensor Microcontrollers-i-CTSU Capacitive Touch Electrode Design Guide (R30AN0389)
• Ulwazi malunga nomqhubi we-CTSU (imodyuli ye-CTSU) isoftwe
  RA Family IRenesas Flexible Software Package (FSP) Incwadi yoMsebenzisi (Web Uguqulelo-HTML)
  Ireferensi ye-API> Iimodyuli> CapTouch> I-CTSU (r_ctu)
  I-RL78 yoSapho lwe-CTSU iModyuli yeNkqubo yoManyano lweSoftware (R11AN0484)
  I-RX yoSapho lwe-QE CTSU yeModyuli yoManyano lweTekhnoloji yeFirmware (R01AN4469)
• Ulwazi malunga ne-touch middleware (TOUCH module) iSoftware
  RA Family IRenesas Flexible Software Package (FSP) Incwadi yoMsebenzisi (Web Uguqulelo-HTML)
  Ireferensi ye-API> Iimodyuli> CapTouch> Chukumisa (rm_touch)
  I-RL78 Family TOUCH Inkqubo yoManyano lweSoftwe yeModyuli (R11AN0485)
  I-RX Family QE Touch Module yeFirmware Integration Technology (R01AN4470)
• Ulwazi malunga ne-QE ye-Capacitive Touch (isixhobo senkxaso yophuhliso lwesicelo sokuchukumisa)
  Ukusebenzisa i-QE kunye ne-FSP ukuphuhlisa i-Capacitive Touch Applications (R01AN4934)
  Ukusebenzisa i-QE kunye ne-FIT ukuphuhlisa i-Capacitive Touch Applications (R01AN4516)
  I-RL78 yoSapho iSebenzisa i-QE kunye ne-SIS ukuphuhlisa ii-Capacitive Touch Applications (R01AN5512)
  I-RL78 yoSapho isebenzisa i-Standalone Version ye-QE ukuphuhlisa ii-Capacitive Touch Applications (R01AN6574)

Iindidi zengxolo kunye nemilinganiselo yokuThintela

Imigangatho ye-EMC
Itheyibhile 2-1 inika uluhlu lwemigangatho ye-EMC. Ingxolo inokuphembelela imisebenzi ngokungena kwinkqubo ngokusebenzisa izikhewu zomoya kunye neentambo zoqhagamshelwano. Olu luhlu lwazisa imigangatho ye-IEC 61000 njenge exampUkuchaza iintlobo zabaphuhlisi bengxolo kufuneka bazi malunga nokuqinisekisa imisebenzi eyiyo yeenkqubo ezisebenzisa i-CTSU. Nceda ujonge inguqulelo yamva nje ye-IEC 61000 ngeenkcukacha ezithe vetshe.

IThebhile 2-1 iMigangatho yoVavanyo ye-EMC (IEC 61000)

Inkcazo yoVavanyo	Ngaphezuluview	Umgangatho
Radiated Immunity Test	Uvavanyo lokungakhuseleki kwingxolo ephezulu ye-frequency ye-RF	IEC61000-4-3
Kwenziwa uvavanyo lwe-Immunity	Uvavanyo lokungakhuseleki kwingxolo yeRF ephantsi	IEC61000-4-6
Uvavanyo lwe-Electrostatic Discharge (ESD)	Uvavanyo lwe-immunity kwi-electrostatic discharge	IEC61000-4-2
UVavanyo loMbane oluKhawulezayo/lokuQhaka (EFT/B)	Uvavanyo lokungakhuseleki kwimpendulo eqhubekayo ye-pulsed transient efakwe kwiintambo zombane, njl.	IEC61000-4-4

Itheyibhile 2-2 idwelisa inqobo yokusebenza yovavanyo lokugonyeka. Iikhrayitheriya zokusebenza zichazwe kwiimvavanyo zokugoma ze-EMC, kwaye iziphumo zigwetywa ngokusekelwe ekusebenzeni kwezixhobo ngexesha lovavanyo (EUT). Iikhrayitheriya zokusebenza ziyafana kumgangatho ngamnye.

Uluhlu lwe-2-2 Iikhrayitheriya zokuSebenza zoVavanyo lwe-Immunity

Ikhrayitheriya yokuSebenza	Inkcazo
A	Isixhobo siya kuqhubeka sisebenza njengoko bekucetyiwe ngexesha nasemva kovavanyo. Akukho kuthotywa kokusebenza okanye ukulahleka komsebenzi kuvunyelwe ngaphantsi kwenqanaba lokusebenza elichazwe ngumvelisi xa isixhobo sisetyenziswa njengoko bekucetyiwe.
B	Isixhobo siya kuqhubeka sisebenza njengoko bekucetyiwe ngexesha nasemva kovavanyo. Akukho kuthotywa kokusebenza okanye ukulahleka komsebenzi kuvunyelwe ngaphantsi kwenqanaba lokusebenza elichazwe ngumvelisi xa isixhobo sisetyenziswa njengoko bekucetyiwe. Ngexesha lovavanyo, ukuthotywa kwentsebenzo kuvumelekile nangona kunjalo. Akukho tshintsho lwemeko yokusebenza yokwenyani okanye idatha egciniweyo ivunyelwe.
C	Ukulahlekelwa kwexeshana komsebenzi kuvunyelwe, ngaphandle kokuba umsebenzi unokuzibuyisela okanye unokubuyiselwa ngokusebenza kolawulo.

RF ingxolo Countermeasures

Ingxolo yeRF ibonisa amaza ombane ombane asetyenziswa lusasazo lukamabonakude nonomathotholo, izixhobo eziphathwayo kunye nezinye izixhobo zombane. Ingxolo ye-RF inokungena ngokuthe ngqo kwi-PCB okanye ingene ngentambo yonikezelo lombane nezinye iintambo eziqhagamshelweyo. Amanyathelo okuchasa ingxolo kufuneka aphunyezwe ebhodini kwixesha langaphambili nakwinqanaba lenkqubo leyamva, njengokusebenzisa intambo yombane. I-CTSU ilinganisa i-capacitance ngokuyiguqula ibe ngumqondiso wombane. Utshintsho kumandla ngenxa yokubamba luncinci kakhulu, ke ngoko ukuqinisekisa ukubamba okuqhelekileyo kokubonwa, iphini yoluvo kunye nonikezelo lwamandla lwesixhobo soluvo ngokwalo kufuneka lukhuselwe kwingxolo yeRF. Iimvavanyo ezimbini ezinezahlulo zovavanyo olwahlukileyo ziyafumaneka ukuze zivavanyele i-RF ingandi yengxolo: IEC 61000-4-3 kunye ne-IEC 61000-4-6.

I-IEC61000-4-3 luvavanyo lokugonyeka kwemitha kwaye isetyenziselwa ukuvandlakanya ukugonyeka kwengxolo ngokufaka ngokuthe ngqo umqondiso osuka kwirediyo-frequency electromagnetic field ukuya kwi-EUT. Intsimi ye-electromagnetic ye-RF iqala kwi-80MHz ukuya kwi-1GHz okanye ngaphezulu, yona iguqukela kumaza obude obumalunga ne-3.7m ukuya kwi-30cm. Njengoko obu bude kunye nobude be-PCB bufana, ipateni inokusebenza njenge-eriyali, echaphazela kakubi iziphumo zokulinganisa i-CTSU. Ukongezelela, ukuba ubude be-wiring okanye i-parasitic capacitance iyahluka kwi-electrode nganye yokuchukumisa, i-frequency echaphazelekayo inokwahluka kwi-terminal nganye. Jonga kwiTheyibhuli 2-3 ngeenkcukacha malunga novavanyo lokugonyeka ngemitha.

Itheyibhile 2-3 Uvavanyo lwe-Immunity ye-Radiated

Uluhlu lokuphindaphinda	Inqanaba lovavanyo	Uvavanyo Lwentsimi Amandla
80MHz-1GHz Ukuya kuthi ga kwi-2.7GHz okanye ukuya kuthi ga kwi-6.0GHz, kuxhomekeke kuhlobo lovavanyo	1	1 V/m
	2	3 V/m
	3	10 V/m
	4	30 V/m
	X	Ichazwe ngabanye

I-IEC 61000-4-6 luvavanyo lwe-immunity olwenziwayo kwaye isetyenziselwa ukuvavanya iifrikhwensi phakathi kwe-150kHz kunye ne-80MHz, uluhlu olusezantsi kunolo lovavanyo lokugonyeka kwemitha. Le bhendi ye-frequency inobude beemitha ezininzi okanye ngaphezulu, kwaye ubude be-150 kHz bufikelela malunga ne-2 km. Ngenxa yokuba kunzima ukufaka ngokuthe ngqo i-RF i-electromagnetic field yobude obu bubude kwi-EUT, uphawu lovavanyo lusetyenziswa kwintambo eqhagamshelwe ngokuthe ngqo kwi-EUT ukuvavanya isiphumo samaza asezantsi-frequency. Ubude bamaza obufutshane buchaphazela ikakhulu unikezelo lwamandla kunye neentambo zomqondiso. Umzekeloample, ukuba ifrequency band ibangela ingxolo echaphazela intambo yamandla kunye nonikezelo lwamandla voltage-destabilizes, iziphumo zokulinganisa i-CTSU zinokuchatshazelwa yingxolo kuzo zonke izikhonkwane. Itheyibhile 2-4 inika iinkcukacha zovavanyo oluqhutywayo lokuzikhusela.

Itheyibhile 2-4 iqhutywe uvavanyo lwe-Immunity

Uluhlu lokuphindaphinda	Inqanaba lovavanyo	Uvavanyo Lwentsimi Amandla
150kHz-80MHz	1	Iirandi ezingama-1 V
	2	Iirandi ezingama-3 V
	3	Iirandi ezingama-10 V
	X	Ichazwe ngabanye

Kuyilo lonikezelo lwamandla e-AC apho inkqubo ye-GND okanye i-MCU VSS ye-terminal ayiqhagamshelwanga kwi-terminal yonikezelo lwamandla orhwebo emhlabeni, ingxolo eyenziwayo ingangena ngqo ebhodini njengengxolo yemo yesiqhelo, enokubangela ingxolo kwiziphumo zomlinganiselo we-CTSU xa iqhosha uchukumisekile.

Umzobo we-2-1 ubonisa i-Common Mode Noise Entrance Path kunye ne-Figure 2-2 ibonisa uBudlelwane phakathi kweNgqungquthela yeNdlela eqhelekileyo kunye nokulinganisa ngoku. Ukusuka kwimbono yebhodi ye-GND (B-GND), ingxolo yemowudi eqhelekileyo ibonakala iguquguquka njengoko ingxolo ibekwe phezulu emhlabeni GND (E-GND). Ukongezelela, ngenxa yokuba umnwe (umzimba womntu) ochukumisa i-electrode yokuthintela (i-PAD) idibene ne-E-GND ngenxa ye-capacitance elahlekileyo, ingxolo yemowudi eqhelekileyo ihanjiswa kwaye ibonakala iguquguquka ngendlela efanayo ne-E-GND. Ukuba i-PAD ichukunyiswe ngeli nqaku, ingxolo (VNOISE) eyenziwa yingxolo yemowudi eqhelekileyo isetyenziswe kwi-capacitance Cf eyenziwe ngomnwe kunye ne-PAD, ebangela ukuba umbane wokutshaja olinganiswe yi-CTSU uguquguquke. Utshintsho kumbane wokutshaja lubonakala njengamaxabiso edijithali kunye nengxolo ephezulu. Ukuba ingxolo yemowudi eqhelekileyo ibandakanya amacandelo aphindaphindiweyo ahambelana ne-drive pulse frequency ye-CTSU kunye ne-harmonics yayo, iziphumo zokulinganisa zinokuguquguquka kakhulu. Itheyibhile 2-5 ibonelela ngoluhlu lwemilinganiselo efunekayo ekuphuculeni ukugonywa kwengxolo yeRF. Uninzi lweendlela zokuchasana ziqhelekile ekuphuculeni zombini i-immunity evuthayo kunye nokugonywa okuqhutywayo. Nceda ujonge icandelo lesahluko ngasinye esihambelanayo njengoko zidweliswe kwinyathelo ngalinye lophuhliso.

Itheyibhile 2-5 Uluhlu lweMiqathango yokuThintela efunekayo kuPhuculo lwe-RF Noise Immunity

Inyathelo loPhuhliso	Amanyathelo okuThintela afunekayo ngexesha loYilo	Amacandelo ahambelanayo
Ukukhetha kwe-MCU (ukhetho lomsebenzi we-CTSU)	Ukusebenzisa i-MCU efakwe kunye ne-CTSU2 kuyacetyiswa xa ukhuselo lwengxolo luphambili. · Nika amandla imisebenzi yokuthintela ingxolo ye-CTSU2: ¾ Umlinganiselo wokuphindaphinda kaninzi ¾ Ikhaka elisebenzayo ¾ Seta kwimveliso yetshaneli engeyiyo yomlinganiselo xa usebenzisa isikhuselo esisebenzayo   Or · Yenza imisebenzi yokuthintela ingxolo ye-CTSU: ¾ Umsebenzi wokutshintsha kwesigaba esingaqhelekanga ¾ Umsebenzi wokunciphisa ingxolo ye-frequency ephezulu	3.3.1   Umlinganiselo wokuphindaphinda kaninzi 3.3.2    Ikhaka elisebenzayo 3.3.3    Umjelo ongengomlinganiselo UKhetho Lweziphumo       3.2.1   Random Phase Shift Function 3.2.2    Ingxolo ephezulu-frequency Umsebenzi wokunciphisa (ukusasazwa umsebenzi wespectrum)
Uyilo lwezixhobo	· Uyilo lwebhodi usebenzisa ipateni ye-electrode ecetyiswayo   · Sebenzisa umthombo wonikezelo lwamandla kwimveliso enengxolo ephantsi · Isindululo soyilo lwepateni ye-GND: kwisistim esekelwe phantsi sebenzisa iinxalenye zendlela yokulinganisa ingxolo eqhelekileyo       · Nciphisa inqanaba lokungena kwingxolo kwisikhonkwane soluvo ngokulungelelanisa idampixabiso lokumelana. · Indawo dampisichasi kumgca wonxibelelwano · Yila kwaye ubeke i-capacitator efanelekileyo kwintambo yombane ye-MCU	4.1.1 Chukumisa ipateni ye-Electrode Uyilo 4.1.2.1  Umqulutage Supply Design 4.1.2.2  Uyilo lwepateni ye-GND 4.3.1 Isihluzi seNdlela eqhelekileyo 4.3.4 Iingqwalasela ze-GND Umgama weShield kunye ne-Electrode     4.2.1  TS Pin Dampnge Ukuchasa 4.2.2  Ingxolo yoMqondiso weDijithali 4.3.4 Iingqwalasela ze-GND Umgama weShield kunye ne-Electrode
Ukuphunyezwa kwesoftware	Lungisa isihluzo sesoftware ukunciphisa impembelelo yengxolo kumaxabiso alinganisiweyo · I-IIR ehambayo iavareji (isebenza kwiimeko ezininzi zengxolo) · I-FIR ehambayo iavareji (yengxolo ebekiweyo ngamaxesha athile)	5.1   Isihluzo se-IIR   5.2  Isihluzo soMlilo

Ingxolo ye-ESD (ukukhutshwa kombane)

I-Electrostatic discharge (ESD) yenziwa xa izinto ezimbini ezihlawuliswayo zidibene okanye zibekwe kufutshane. Umbane ongatshintshiyo oqokelelwe ngaphakathi emzimbeni womntu unokufikelela kwi-electrode kwisixhobo nangokungaphezulu. Ngokuxhomekeke kubungakanani bamandla ombane asetyenzisiweyo kwi-electrode, iziphumo zomlinganiselo we-CTSU zinokuchaphazeleka, zenze umonakalo kwisixhobo ngokwaso. Ngoko ke, amanyathelo okuchasana kufuneka aqaliswe kwinqanaba lenkqubo, njengezixhobo zokukhusela kwisekethe yebhodi, ukugqithisa kwebhodi, kunye nezindlu ezikhuselayo zesixhobo. Umgangatho we-IEC 61000-4-2 usetyenziselwa ukuvavanya ukunganyangeki kwe-ESD. Itheyibhile 2-6 inika iinkcukacha zovavanyo lwe-ESD. Ukusetyenziswa okujoliswe kuyo kunye neempawu zemveliso ziya kugqiba inqanaba lovavanyo olufunekayo. Ukufumana iinkcukacha ezithe vetshe, jonga umgangatho we-IEC 61000-4-2. Xa i-ESD ifikelela kwi-electrode yokuchukumisa, ngoko nangoko yenza umahluko onokubakho wee-kV ezininzi. Oku kunokubangela ukuba ingxolo ye-pulse yenzeke kwixabiso elilinganisiweyo le-CTSU, ukunciphisa ukuchaneka komlinganiselo, okanye kunokumisa umlinganiselo ngenxa yokubhaqwa kokugqithisa.tage okanye i-overcurrent. Qaphela ukuba izixhobo zesemiconductor azenzelwanga ukumelana nosetyenziso oluthe ngqo lwe-ESD. Ke ngoko, uvavanyo lwe-ESD kufuneka luqhutywe kwimveliso egqityiweyo kunye nebhodi ekhuselweyo kwimeko yesixhobo. Amanyathelo okulwa aziswa kwibhodi ngokwawo ngamanyathelo ahlulekayo ukukhusela isiphaluka kwimeko enqabileyo eyenziwa yi-ESD, ngesizathu esithile, ingena ebhodini.

Itheyibhile 2-6 Uvavanyo lwe-ESD

Inqanaba lovavanyo	Uvavanyo lweVoltage
	Ukukhutshwa koQhagamshelwano	Ukukhutshwa koMoya
1	2 kV	2 kV
2	4 kV	4 kV
3	6 kV	8 kV
4	8 kV	15 kV
X	Ichazwe ngabanye	Ichazwe ngabanye

Ingxolo ye-EFT (UMbane oKhawuleza oThubayo)
Iimveliso zombane zivelisa into ebizwa ngokuba zii-Electrical Fast Transients (EFT), ezifana ne-electromotive force yangasemva xa umbane ulayitwa ngenxa yolungelelwaniso lwangaphakathi lonikezelo lwamandla okanye ingxolo engxolayo kwizitshixo zokuhanjiswa kombane. Kwiindawo apho iimveliso zombane ezininzi ziqhagamshelwe ngandlela ithile, njengakwimigca yombane, le ngxolo inokuhamba ngeentambo zombane kwaye ichaphazele ukusebenza kwezinye izixhobo. Nkqu neentambo zombane kunye neentambo zemiqondiso yeemveliso zombane ezingaqhagamshelwanga kumtya wamandla okwabelwana ngawo zinokuchaphazeleka ngomoya nje ngokuba kufutshane neentambo zombane okanye iintambo zomqondiso zomthombo wengxolo. Umgangatho we-IEC 61000-4-4 usetyenziselwa ukuvavanya ukungakhuseleki kwe-EFT. I-IEC 61000-4-4 ivavanya ukunganyangeki ngokufaka imiqondiso ye-EFT ngamaxesha athile kumandla e-EUT kunye nemigca yesiginali. Ingxolo ye-EFT ivelisa i-periodic pulse kwiziphumo zokulinganisa i-CTSU, enokuthi ithobe ukuchaneka kweziphumo okanye ibangele ukufunyanwa kobuxoki. Itheyibhile 2-7 ibonelela nge-EFT / B (i-Electrical Fast Transient Burst) iinkcukacha zovavanyo.

Itheyibhile 2-7 Uvavanyo lwe-EFT / B

Inqanaba lovavanyo	Vula uvavanyo lweSekethe Voltage (incopho)		I-Pulse repetition frequency (PRF)
	Ukunikezwa Amandla Umgca/ ucingo olusezantsi	Umqondiso/Umgca woLawulo
1	0.5 kV	0.25 kV	5kHz okanye 100kHz
2	1 kV	0.5 kV
3	2 kV	1 kV
4	4 kV	2 kV
X	Ichazwe ngabanye		Ichazwe ngabanye

CTSU ingxolo Countermeasure Functions

I-CTSUs ixhotyiswe ngemisebenzi yokulinganisa ingxolo, kodwa ukufumaneka komsebenzi ngamnye kuyahluka ngokuxhomekeke kuguqulelo lwe-MCU kunye ne-CTSU oyisebenzisayo. Soloko uqinisekisa iinguqulelo ze-MCU kunye ne-CTSU ngaphambi kokuphuhlisa imveliso entsha. Esi sahluko sichaza umahluko kwimisebenzi yokulinganisa ingxolo phakathi kwenguqulelo nganye ye-CTSU.

Imigaqo yomlinganiselo kunye nesiphumo sengxolo
I-CTSU iphinda itshaje kwaye ikhuphe amaxesha amaninzi kumjikelo womlinganiselo ngamnye. Iziphumo zokulinganisa kwintlawulo nganye okanye ukukhutshwa kwangoku ziqokelelwa kwaye umphumo wokugqibela wokulinganisa ugcinwa kwirejista. Kule ndlela, inani lemilinganiselo ngexesha leyunithi linganyuswa ngokunyusa i-drive pulse frequency, ngaloo ndlela kuphuculwe uluhlu oluguquguqukayo (DR) kunye nokuqonda imilinganiselo ye-CTSU enovakalelo kakhulu. Ngakolunye uhlangothi, ingxolo yangaphandle ibangela utshintsho kwintlawulo okanye ukukhutshwa kwangoku. Kwimeko apho iveliswa khona ingxolo yexesha, isiphumo sokulinganisa esigcinwe kwiRejista ye-Sensor Counter iyacinywa ngenxa yokunyuka okanye ukuncipha kwenani langoku kwicala elinye. Iziphumo ezinjalo ezinxulumene nengxolo ekugqibeleni zinciphisa ukuchaneka komlinganiselo. Umzobo 3-1 ubonisa umfanekiso wemposiso yentlawulo yangoku ngenxa yengxolo yexesha. Ii-frequencies ezibeka njengengxolo yexesha lezo zihambelana ne-sensor drive pulse frequency kunye nengxolo yayo ye-harmonic. Iimpazamo zokulinganisa ziba nkulu xa umphetho onyukayo okanye owehlayo wengxolo yamaxesha idityaniswa kunye nexesha le-SW1 ON. I-CTSU ixhotyiswe nge-hardware-level ingxolo yokumelana nemisebenzi njengokhuseleko kule ngxolo yexesha.

I-CTSU1
I-CTSU1 ixhotyiswe nge-random phase shift function kunye ne-high-frequency yokunciphisa ingxolo (i-spread spectrum function). Isiphumo kwixabiso elilinganisiweyo sinokuncitshiswa xa i-harmonics esisiseko ye-sensor drive frequency ye-pulse kunye nomdlalo wesantya sesandi. Ixabiso eliphezulu lokucwangcisa i-sensor drive pulse frequency yi-4.0MHz.

Random Phase Shift Function
Umzobo we-3-2 ubonisa umfanekiso we-desynchronization yengxolo usebenzisa i-random phase shift function. Ngokutshintsha isigaba se-sensor drive pulse ngama-degrees angama-180 ngexesha elingaqhelekanga, ukunyuka kwe-unidirectional / ukuncipha kwangoku ngenxa yomsindo wexesha lexesha kunokuguqulwa kwaye kuphuculwe ukuphucula ukuchaneka kokulinganisa. Lo msebenzi uhlala usebenza kwimodyuli ye-CTSU kunye nemodyuli ye-TOUCH.

Umsebenzi wokuNcitshiswa kwengxolo ye-high-frequency (i-spread spectrum function)
Umsebenzi wokunciphisa ingxolo ephezulu-frequency ulinganisa i-sensor drive pulse frequency kunye nencoko eyongeziweyo ngabom. Emva koko i-randomizes indawo yokuvumelanisa kunye nengxolo yokuvumelanisa ukusabalalisa incopho yephutha lokulinganisa kunye nokuphucula ukuchaneka kokulinganisa. Lo msebenzi uhlala unikwe amandla kwimveliso yemodyuli ye-CTSU kunye nemveliso yemodyuli ye-TOUCH ngokuvelisa ikhowudi.

I-CTSU2

Umlinganiselo wokuphindaphinda kaninzi
Umlinganiselo we-multi-frequency usebenzisa ii-multiple sensor drive pulse frequencies ezine-frequencies ezahlukeneyo. I-spectrum yokusasazeka ayisetyenziselwa ukuphepha ukuphazamiseka kwi-frequency pulse drive nganye. Lo msebenzi uphucula ukugonyeka kwingxolo yeRF eqhutywayo kuba iyasebenza ngokuchasene nengxolo ehambelanayo kwi-sensor drive pulse frequency, kunye nengxolo eyaziswa ngepateni ye-electrode. Umzobo we-3-3 ubonisa umfanekiso wendlela amaxabiso alinganisiweyo akhethwa ngayo kumlinganiselo we-multi-frequency, kwaye uMzobo 3-4 ubonisa umfanekiso wokuhlukanisa izandi zengxolo ngendlela efanayo yokulinganisa. Umlinganiselo we-multi-frequency ulahla iziphumo zokulinganisa ezichatshazelwa yingxolo evela kwiqela lemilinganiselo ethathwe kwiifrikhwensi ezininzi ukuphucula ukuchaneka komlinganiselo.

Kwiiprojekthi zesicelo ezibandakanya umqhubi we-CTSU kunye neemodyuli ze-middleware ze-TOUCH (jonga i-FSP, i-FIT, okanye i-SIS amaxwebhu), xa i-"QE ye-Capacitive Touch" inqanaba lokulungisa i-parameters yokulinganisa i-multi-frequency yenziwa ngokuzenzekelayo, kwaye ezininzi- Umlinganiselo wobuninzi ungasetyenziswa. Ngokuvumela useto oluphambili kwisigaba sokulungisa, iiparamitha zinokusetwa ngesandla. Ukufumana iinkcukacha malunga nemowudi ekwimo ephuhlileyo useto lomlinganiselo weewotshi ezininzi, jonga ku Isikhokelo seParameter yeMowudi ePhakamileyo yeCapacitive Touch (R30AN0428EJ0100). Umfanekiso 3-5 ubonisa i-example yoThintelo lweMilinganiselo kuMlinganiselo weefrikhwensi ezininzi. Le example ibonisa ukuphazanyiswa okuphindaphindiweyo okuvela xa umlinganiselo wokulinganisa usetelwe kwi-1MHz kwaye ingxolo yemowudi eqhelekileyo isetyenziswa ebhodini ngelixa i-electrode yokuchukumisa ichukunyiswa. Igrafu (a) ibonisa useto ngoko nangoko emva kolungiso oluzenzekelayo; i-frequency yokulinganisa imiselwe + 12.5% ​​kwi-2nd frequency kunye ne-12.5% ​​ye-3rd frequency esekelwe kwi-1st frequency ye-1MHz. Igrafu iqinisekisa ukuba amaza omlinganiselo ngamnye aphazamisana nengxolo. Igrafu (b) ibonisa i-example apho ubuninzi bomlinganiselo buculwa ngesandla; i-frequency yokulinganisa imiselwe kwi--20.3% ye-2nd frequency kunye ne-9.4% ye-frequency ye-3 esekelwe kwi-1st frequency ye-1MHz. Ukuba ingxolo ethile yefrikhwensi ibonakala kwiziphumo zomlinganiselo kwaye nezandi zengxolo zihambelana nezandi zomlinganiselo, qiniseka ukuba uhlengahlengisa umlinganiselo wefrikhwensi kaninzi ngelixa uvavanya eyona ndawo ingqongileyo ukunqanda uphazamiseko phakathi kwezandi zengxolo kunye nezandi zomlinganiselo.

Ikhaka elisebenzayo
Kwindlela ye-CTSU2 ye-self-capacitance, isikhuselo esisebenzayo singasetyenziselwa ukuqhuba iphethini yekhuselo kwinqanaba elifanayo le-pulse njenge-sensor drive pulse. Ukuvumela ikhaka elisebenzayo, kwi-QE yoqwalaselo lojongano lweCapacitive Touch, seta iphini eliqhagamshela kwipateni yekhaka elisebenzayo “kwiphini lekhaka.” Ikhaka elisebenzayo linokusetwa kwiphini enye ngoqwalaselo lojongano lweTouch (indlela). Ukufumana ingcaciso yokusebenza kweShield esebenzayo, bhekisa ku”Isikhokelo soMsebenzisi sokuChwetheza kweCapacitive ye-Capacitive Sensor MCUs (R30AN0424)”. Ngolwazi loyilo lwePCB, bhekisa ku”Isikhokelo soYilo se-CTSU Capacitive Touch Electrode (R30AN0389)“.

UKhetho lweZiphumo zeSitishi esingenamlinganiselo
Kwindlela ye-CTSU2 yokuzenzela amandla, ukukhutshwa kwe-pulse kwisigaba esifanayo njenge-sensor drive pulse inokusetwa njengemveliso yeshaneli engeyiyo yokulinganisa. Kwi-QE ye-Capacitive Touch interface yoqwalaselo (indlela), iziteshi ezingalinganisiyo (i-electrodes yokuchukumisa) zisetwa ngokuzenzekelayo kwisiphumo esifanayo sesigaba se-pulse kwiindlela ezinikezelweyo kunye nokukhusela okusebenzayo.

Imilinganiselo yeNgxolo yeHardware

Imilinganiso yeNgxolo eqhelekileyo

Touch Electrode Patterns Designs
Isekethe ye-electrode yokuchukumisa ichaphazeleka kakhulu kwingxolo, ifuna ukhuseleko lwengxolo oluya kuqwalaselwa kuyilo lwehardwaretage. Ngemithetho eneenkcukacha yoyilo lwebhodi ejongene nokungangxoli, nceda ubhekisele kuguqulelo lwamva nje lwe Isikhokelo soYilo se-CTSU Capacitive Touch Electrode (R30AN0389). Umzobo 4-1 ubonelela ngesicatshulwa kwiSikhokelo esibonisa ngaphezuluview yoyilo lwendlela yokuzenzela ipateni, kwaye uMfanekiso 4-2 ubonisa okufanayo kuyilo lwepateni yolwakhelwano.

1. Ubume be-Electrode: isikwere okanye isangqa
2. Ubungakanani be-Electrode: 10mm ukuya kwi-15mm
3. I-Electrode proximity: I-Electrode kufuneka ibekwe kuyo ampumgama ukwenzela ukuba bangaphenduli ngaxeshanye kujongano lomntu ekujoliswe kulo, (ekubhekiswa kuwo “njengomnwe” kolu xwebhu); isithuba esicetyiswayo: ubukhulu beqhosha x 0.8 okanye ngaphezulu
4. Ububanzi bocingo: malunga. 0.15mm ukuya ku-0.20mm kwibhodi eprintiweyo
5. Ubude bocingo: Yenza i-wiring ibe mfutshane kangangoko. Kwiikona, yenza i-angle ye-45-degree, kungekhona i-angle echanekileyo.
6. Isithuba se-Wiring: (A) Yenza isithuba sibe banzi kangangoko ukuthintela ukubhaqwa kobuxoki ziielectrode ezingabamelwane. (B) 1.27mm inothi
7. Ububanzi bepateni ye-GND enqamlezileyo: 5mm
8. Ipateni ye-GND enqamlezileyo kunye neqhosha / i-wiring spacing (A) kwindawo ejikeleze i-electrodes: 5mm (B) indawo ejikeleze i-wiring: 3mm okanye ngaphezulu kwendawo ye-electrode kunye ne-wiring kunye nomhlaba ochaseneyo kunye nephethini enqamlekileyo. Kwakhona, beka ipateni enqamlezileyo kwiindawo ezingenanto, kwaye udibanise iindawo ezi-2 zeepateni ezinqamlezileyo nge-vias. Jonga kwicandelo "2.5 Uyilo lwePatheni yoLwabiwo lweNgxoxo" malunga nemilinganiselo yepateni enqamlezileyo, ikhaka elisebenzayo (CTSU2 kuphela), kunye nezinye iindlela zokuchasana ingxolo.
9. I-Electrode + i-wiring capacitance: 50pF okanye ngaphantsi
10. I-Electrode + ukuxhathisa iingcingo: 2K0 okanye ngaphantsi (kubandakanya dampisixhasi esinexabiso lereferensi ye5600)

Umzobo 4-1 Iingcebiso zoYilo lwePateni yeNdlela yokuZixhobisa (isicatshulwa)

1. Ubume be-Electrode: isikwere (i-electrode yokudlulisa edibeneyo TX kunye ne-electrode ye-RX)
2. Ubungakanani be-Electrode: 10mm okanye ngaphezulu kwe-Electrode kufutshane: Ii-electrode kufuneka zibekwe kwindawo ampumgama ukwenzela ukuba bangaphenduli ngaxeshanye kwinto yokubamba (umnwe, njl.), (isithuba esicetyiswayo: ubukhulu beqhosha x 0.8 okanye ngaphezulu)
   • Ububanzi bocingo: Olona cingo luncinci lukwaziyo ngemveliso yobuninzi; malunga. 0.15mm ukuya ku-0.20mm kwibhodi eprintiweyo
3. Ubude bocingo: Yenza i-wiring ibe mfutshane kangangoko. Kwiikona, yenza i-angle ye-45-degree, kungekhona i-angle echanekileyo.
4. Izithuba zeengcingo:
   • Yenza izithuba zibe banzi kangangoko ukuthintela ukubhaqwa kobuxoki ngama-electrode angabamelwane.
   • Xa i-electrodes yahluliwe: i-pitch ye-1.27mm
   • 20mm okanye ngaphezulu ukuthintela ukudityaniswa kwe-capacitance generation phakathi kwe-Tx ne-Rx.
5. Ipateni ye-GND eqanduselweyo (umkhuseli wekhaka) ukusondela Ngenxa yokuba i-pin parasitic capacitance kwipateni yeqhosha elicetyiswayo incinci ngokuthelekiswa, i-parasitic capacitance inyusa ukuba izikhonkwane zisondele kwi-GND.
   • A: 4mm okanye ngaphezulu malunga electrode Sikwacebisa malunga. I-2-mm ububanzi obunqamlezileyo ipateni yendiza ye-GND phakathi kwe-electrode.
   • B: 1.27mm okanye ngaphezulu malunga neengcingo
6. Tx, Rx parasitic capacitance: 20pF okanye ngaphantsi
7. I-Electrode + ukuxhathisa i-wiring: 2kQ okanye ngaphantsi (kubandakanya dampisixhasi esinexabiso lereferensi ye5600)
8. Musa ukubeka iphethini ye-GND ngokuthe ngqo phantsi kwee-electrodes okanye i-wiring. Umsebenzi wekhaka osebenzayo awunakusetyenziselwa indlela yokudibana.

Umzobo 4-2 Iingcebiso zoYilo lwePateni yeNdlela yokuXhobisa ngeCapacitance (isicatshulwa)

Uyilo loBonelelo lwaMandla
I-CTSU yimodyuli ye-analog peripheral ephethe iimpawu zombane zemizuzu. Xa ingxolo ingena kwi-voltage inikezelwe kwi-MCU okanye ipateni ye-GND, ibangela ukuguquguquka okunokwenzeka kwi-sensor drive pulse kunye nokunciphisa ukuchaneka komlinganiselo. Sicebisa ngamandla ukongeza isixhobo sokulinganisa ingxolo kumsinga wonikezelo lwamandla okanye isekethe yonikezelo lwamandla ebhodini ukubonelela ngombane ngokukhuselekileyo kwi-MCU.

Umqulutage Supply Design
Kufuneka kuthatyathwe inyathelo xa kuyilwa unikezelo lwamandla lwesixokelelwano okanye isixhobo esisebhodini ukunqanda ukungena kwengxolo ngephini lonikezelo lombane le-MCU. Ezi ngcebiso zilandelayo ezinxulumene noyilo zinokunceda ukuthintela ukungena kwengxolo.

• Gcina ikhebula lonikezelo lwamandla kwisistim kunye ne-wiring yangaphakathi mfutshane ngokunokwenzeka ukunciphisa i-impedance.
• Beka kwaye ufake isihluzo sengxolo (i-ferrite core, i-ferrite bead, njl.) ukuvala ingxolo ephezulu-frequency.
• Ukunciphisa i-ripple kubonelelo lombane lwe-MCU. Sicebisa ukuba kusetyenziswe umgca wolawulo kwi-MCU's voltage supply. Khetha umlawuli womgca kunye nemveliso ephantsi yengxolo kunye neempawu eziphezulu ze-PSRR.
• Xa kukho izixhobo ezininzi ezinemithwalo ephezulu yangoku ebhodini, sincoma ukufaka umbane ohlukeneyo we-MCU. Ukuba oku akunakwenzeka, yahlula ipateni kwingcambu yonikezelo lwamandla.
• Xa uqhuba isixhobo esinosetyenziso oluphezulu lwangoku kwiphini ye-MCU, sebenzisa i-transistor okanye i-FET.

Umzobo 4-3 ubonisa izicwangciso ezininzi zombane wombane. Vo ngumbane wombanetage, kukuguquguquka kwangoku kokusetyenziswa okuvela kwimisebenzi ye-IC2, kwaye u-Z yintambo yonikezelo lombane. Vn ngumqulutage iveliswe ngumgca wonikezelo lwamandla kwaye ingabalwa njenge Vn = in×Z. Ipateni ye-GND inokuqwalaselwa ngendlela efanayo. Ukufumana iinkcukacha ezithe vetshe ngepateni ye-GND, jonga ku-4.1.2.2 GND Pattern Pattern Design. Kubumbeko (a), intambo yonikezelo lwamandla kwi-MCU yinde, kunye ne-IC2 yeentambo zobonelelo lwesebe kufutshane nonikezelo lwamandla lwe-MCU. Olu lungelelwaniso alukhuthazwa njengomqulu we-MCUtagUnikezelo lwe-e luchaphazeleka kwi-Vn ingxolo xa i-IC2 isebenza. (b) kunye no (c) idayagramu yesekethe ka-(b) no-(c) ziyafana no-(a), kodwa uyilo lwepateni luyahluka. (b) isebe lentambo yonikezelo lombane ukusuka kwingcambu yonikezelo lombane, kwaye umphumo wengxolo ye-Vn iyancitshiswa ngokunciphisa u-Z phakathi kobonelelo lombane kunye ne-MCU. (c) ikwanciphisa isiphumo se-Vn ngokunyusa ummandla ongaphezulu kunye nobubanzi bomgca wentambo yonikezelo lombane ukunciphisa u-Z.

Uyilo lwepateni ye-GND
Ngokuxhomekeke kuyilo lwepateni, ingxolo inokubangela i-GND, eyi-reference voltage ye-MCU kunye nezixhobo ezingaphakathi, ukuguquguquka okunokwenzeka, ukunciphisa ukuchaneka komlinganiselo we-CTSU. La macebiso alandelayo oyilo lwepateni ye-GND aya kunceda ukucinezela ukuguquguquka okunokwenzeka.

• Gubungela izithuba ezingenanto ngepateni eqinileyo ye-GND kangangoko kunokwenzeka ukunciphisa i-impedance phezu kwendawo enkulu.
• Sebenzisa ibhodi yebhodi evimbela ingxolo ekungeneni kwi-MCU ngokusebenzisa umgca we-GND ngokunyusa umgama phakathi kwe-MCU kunye nezixhobo ezinomthwalo ophezulu wangoku kunye nokwahlula i-MCU kwipatheni ye-GND.

Umzobo 4-4 ubonisa izicwangciso ezininzi zomgca we-GND. Kule meko, kukuguquguquka kwangoku kokusetyenziswa okuvela kwimisebenzi ye-IC2, kwaye i-Z yintambo yombane wombane. Vn ngumqulutage yenziwe ngumgca we-GND kwaye ingabalwa njenge-Vn = in×Z. Kubumbeko (a), umgca we-GND kwi-MCU mde kwaye udibanisa nomgca we-IC2 GND kufuphi ne-MCU ye-GND pin. Olu lungelelwaniso alukhuthazwa njengoko i-MCU ye-GND inokubakho ichaphazeleka kwi-Vn ingxolo xa i-IC2 isebenza. Kubumbeko (b) iilayini ze-GND zidibanisa kwingcambu yonikezelo lwamandla iphini ye-GND. Iimpembelelo zengxolo ezivela kwi-Vn zingancitshiswa ngokuhlula imigca ye-GND ye-MCU kunye ne-IC2 ukunciphisa indawo phakathi kwe-MCU kunye ne-Z. Nangona iidiagram zesiphaluka (c) kunye (a) zifana, iipatheni zoyilo ziyahluka. Uqwalaselo (c) lunciphisa isiphumo se-Vn ngokunyusa indawo yomphezulu kunye nobubanzi bomgca womgca we-GND ukunciphisa u-Z.

Qhagamshela i-TSCAP capacitor's GND kwipateni eqinileyo ye-GND edityaniswe kwitheminali ye-VSS ye-MCU ukuze ibe namandla afanayo ne-VSS terminal. Musa ukwahlula i-TSCAP capacitor's GND kwi-MCU's GND. Ukuba i-impedance phakathi kwe-TSCAP capacitor's GND kunye ne-MCU's GND iphezulu, ukusebenza kwe-high-frequency rejection ye-TSCAP capacitor kuya kuncipha, okwenza kube lula kwingxolo yokunikezelwa kwamandla kunye nengxolo yangaphandle.

Ukusetyenzwa kwezikhonkwane ezingasetyenziswanga
Ukushiya izikhonkwane ezingasetyenziswanga kwi-impedance state ephezulu kwenza isixhobo sichaphazeleke kwimiphumo yengxolo yangaphandle. Qinisekisa ukuba uqhuba zonke izikhonkwane ezingasetyenziswanga emva kokubhekisa kwi-MCU ehambelanayo yeFaily hardware manual yephini nganye. Ukuba isixhasi sokutsalwa asikwazi kuphunyezwa ngenxa yokunqongophala kwendawo yokunyusela, lungisa useto lwemveliso yepin kwimveliso ephantsi.

IRadiated RF Noise Countermeasures

TS Pin DampUkuchasa
I-damping resistor eqhagamshelwe kwiphini ye-TS kunye nomsebenzi wecandelo le-electrode's parasitic capacitance njengesihluzo esisezantsi. Ukwandisa i-dampI-resistor ye-ing yehlisa i-frequency-cut-off frequency, ngaloo ndlela ithoba inqanaba lengxolo enemitha engena kwiphini ye-TS. Nangona kunjalo, xa intlawulo yokulinganisa i-capacitive okanye ixesha lokukhutshwa langoku lide, i-sensor drive pulse frequency kufuneka ithotywe, ekwanciphisa ukuchaneka kokuchongwa. Ngolwazi malunga nobuntununtunu xa kutshintshwa i-dampisixhasi kwindlela yokuzenzela amandla, bhekisa ku “5. Iipateni zeQhosha leNdlela yokuZimela kunye neDatha yeMpawu” kwi Isikhokelo soYilo se-CTSU Capacitive Touch Electrode (R30AN0389)

Ingxolo yoMqondiso weDijithali
I-wiring ye-Digital signal ephethe unxibelelwano, njenge-SPI kunye ne-I2C, kunye neempawu ze-PWM ze-LED kunye nokukhutshwa komsindo ngumthombo womsindo ogqithisiweyo ochaphazela isiphaluka se-electrode. Xa usebenzisa imiqondiso yedijithali, qwalasela ezi ngcebiso zilandelayo ngexesha loyilo stage.

• Xa i-wiring ibandakanya iikona ezichanekileyo (i-90 degrees), i-radiation yengxolo evela kwiindawo ezibukhali ziya kwanda. Qinisekisa ukuba iikona zocingo ziyi-45 degrees okanye ngaphantsi, okanye igophe, ukunciphisa ingxolo yemitha.
• Xa inqanaba lesignali yedijithali litshintsha, i-overshoot okanye i-undershoot isasazwa njengengxolo ephezulu-frequency. Njengenyathelo lokuthintela, faka intengisoamping resistor kumgca wesignali yedijithali ukucinezela i-overshoot okanye i-undershoot. Enye indlela kukufaka i-ferrite bead ecaleni komgca.
• Ukubeka imigca yeempawu zedijithali kunye nesekethe ye-electrode yokuchukumisa ukuze bangabambi. Ukuba uqwalaselo lufuna ukuba imigca isebenze ngokunxuseneyo, gcina umgama omde phakathi kwabo kangangoko kwaye ufake ikhuselo le-GND ecaleni komgca wedijithali.
• Xa uqhuba isixhobo esinosetyenziso oluphezulu lwangoku kwiphini ye-MCU, sebenzisa i-transistor okanye i-FET.

Umlinganiselo wokuphindaphinda kaninzi
Xa usebenzisa i-MCU efakwe kwi-CTSU2, qiniseka ukusebenzisa umlinganiselo wokuphindaphinda. Ukufumana iinkcukacha, jonga ku-3.3.1 iMilinganiselo yeefrikhwensi ezininzi.

Kwenziwa amanyathelo okuLwa ingxolo
Uqwalaselo lokhuselo oluqhutywayo lwengxolo lubaluleke kakhulu kuyilo lonikezelo lwamandla enkqubo kunoyilo lwebhodi ye-MCU. Ukuqala, yila unikezelo lwamandla ukunika umthamotage ngengxolo ephantsi kwizixhobo ezifakwe ebhodini. Ukufumana iinkcukacha malunga noseto lobonelelo lombane, jonga ku-4.1.2 Uyilo loNikezo loMbane. Eli candelo lichaza amanyathelo okuthintela ingxolo anxulumene nonikezelo lwamandla kunye nemisebenzi ye-CTSU ekufuneka iqwalaselwe xa uyila ibhodi yakho ye-MCU yokuphucula ukhuseleko lwengxolo olwenziwe.

Isihluzi seNdlela eqhelekileyo
Beka okanye ukhweze isihluzo semowudi eqhelekileyo (imowudi eqhelekileyo ikrwitsha, i-ferrite core) ukunciphisa ingxolo engena ebhodini ukusuka kwintambo yamandla. Hlola i-frequency interference system kunye novavanyo lwengxolo kwaye ukhethe isixhobo esine-impedance ephezulu ukunciphisa ibhendi yengxolo ekujoliswe kuyo. Jonga kwizinto ezilandelelanayo njengoko indawo yokuhlohla isahluka ngokuxhomekeke kuhlobo lwesihluzi. Qaphela ukuba uhlobo ngalunye lokucoca lubekwe ngokwahlukileyo ebhodini; jonga kwingcaciso engqinelanayo ngeenkcukacha. Soloko uqwalasela uyilo lokucoca ukunqanda ingxolo ephuma ngaphakathi ebhodini. Umzobo 4-5 ubonisa i-Common Mode Filter Layout Example.

Imowudi eqhelekileyo Choke
Imowudi yesiqhelo ikrwitsha isetyenziswa njengendlela yokuchasana nengxolo ephunyeziweyo ebhodini, ifuna ukuba ifakwe ngexesha lebhodi kunye nesigaba soyilo lwenkqubo. Xa usebenzisa imowudi eqhelekileyo ukuminxa, qiniseka ukuba usebenzisa eyona ntambo imfutshane kangangoko emva kwendawo apho umbane uqhagamshelwe ebhodini. Umzekeloample, xa udibanisa intambo yamandla kunye nebhodi kunye nekhonkco, ukubeka icebo lokucoca ngokukhawuleza emva kokudibanisa kwicala lebhodi kuya kuthintela ingxolo engena ngentambo ukuba isasazeke kwibhodi.

I-Ferrite Core
I-ferrite core isetyenziselwa ukunciphisa ingxolo eyenziwa ngentambo. Xa ingxolo iba ngumba emva kokuhlanganiswa kwenkqubo, ukwazisa i-clamp-uhlobo lwe-ferrite core ikuvumela ukuba unciphise ingxolo ngaphandle kokutshintsha ibhodi okanye uyilo lwenkqubo. Umzekeloample, xa udibanisa intambo kunye nebhodi kunye isinxibelelanisi, ngokubeka icebo lokucoca nje phambi isidibaniso kwicala lebhodi kuya kunciphisa ingxolo engena ebhodini.

I-Capacitor Layout
Nciphisa ingxolo yonikezelo lwamandla kunye ingxolo ye-ripple engena ebhodini ukusuka kumbane kunye neentambo zesignali ngokuyila nokubeka i-capacitors yokuqhawula kunye ne-bulk capacitors kufuphi nentambo yombane ye-MCU okanye iitheminali.

Ukuqhawula i-capacitor
I-decoupling capacitor inokunciphisa umthamotage yehla phakathi kwe-VCC okanye i-VDD ye-pin yonikezelo lwamandla kunye ne-VSS ngenxa yokusetyenziswa kwangoku kwe-MCU, ukuzinzisa imilinganiselo ye-CTSU. Sebenzisa i-capacitance ekhuthazwayo edweliswe kwiNcwadi yoMsebenzisi we-MCU, ubeka i-capacitor kufuphi nephini lombane kunye ne-VSS pin. Enye inketho kukuyila ipateni ngokulandela isikhokelo soyilo lwehardware yosapho ekujoliswe kulo lwe-MCU, ukuba lukhona.

I-Bulk Capacitor
Ii-capacitors ezininzi ziya kugudisa ama-ripples kwi-MCU's voltage umthombo wokubonelela, ukuzinzisa umthamotage phakathi kwephini yamandla ye-MCU kunye ne-VSS, kwaye ngaloo ndlela kuzinzisa imilinganiselo ye-CTSU. I-capacitance ye-capacitors iya kuhluka ngokuxhomekeke kuyilo lokunikezelwa kwamandla; qinisekisa ukuba usebenzisa ixabiso elifanelekileyo ukunqanda ukuvelisa i-oscillation okanye i-voltage yehle.

Umlinganiselo wokuphindaphinda kaninzi
Umlinganiselo we-multi-frequency measurement, umsebenzi we-CTSU2, uyasebenza ekuphuculeni i-immunity eyenziwa ingxolo. Ukuba ukhuselo lwengxolo oluqhutywayo luyinkxalabo kuphuhliso lwakho, khetha i-MCU ene-CTSU2 ukusebenzisa umsebenzi womlinganiselo wokuphindaphinda. Ukufumana iinkcukacha, jonga ku-3.3.1 iMilinganiselo yeefrikhwensi ezininzi.

Iingqwalasela ze-GND Shield kunye ne-Electrode Distance
Umzobo we-1 ubonisa umfanekiso wokunciphisa ingxolo usebenzisa indlela yokongeza ingxolo ye-electrode. Ukubeka i-GND shield malunga ne-electrode kunye nokuzisa isikhuselo esijikeleze i-electrode kufuphi ne-electrode yomeleza ukudibanisa kwe-capacitive phakathi komnwe kunye nesihlangu. Icandelo lengxolo (VNOISE) libalekela kwi-B-GND, linciphisa ukuguquguquka kwi-CTSU yokulinganisa yangoku. Qaphela ukuba i-shield isondele kwi-electrode, inkulu i-CP, ekhokelela ekunciphiseni uvakalelo lokuthintela. Emva kokutshintsha umgama phakathi kwekhuselo kunye ne-electrode, qinisekisa uvakalelo kwicandelo 5. Iipateni zeqhosha leNqanaba lokuzenzela kunye neDatha yeMpawu Isikhokelo soYilo se-CTSU Capacitive Touch Electrode (R30AN0389).

Izihluzi zeSoftware

Ukufumanisa ukuchukumisa kusebenzisa iziphumo zokulinganisa amandla ukugqiba ukuba inzwa ichukunyiswe okanye ayikho (ON okanye OFF) usebenzisa zombini umqhubi we-CTSU kunye nesofthiwe yemodyuli ye-TOUCH. Imodyuli ye-CTSU yenza ukunciphisa ingxolo kwiziphumo zokulinganisa amandla kwaye idlulisa idatha kwimodyuli ye-TOUCH emisela ukubamba. Umqhubi we-CTSU uquka i-IIR ehambisa icebo lokucoca njengesihluzo esisemgangathweni. Kwiimeko ezininzi, isihluzi esisemgangathweni sinokubonelela nge-SNR eyaneleyo kunye nokuphendula. Nangona kunjalo, inkqubo yokunciphisa ingxolo enamandla ngakumbi inokufuneka ngokuxhomekeke kwisixokelelwano somsebenzisi. Umzobo 5-1 ubonisa ukuhamba kweDatha ngokuFumana ukuTouch. Izihluzi zabasebenzisi zinokubekwa phakathi komqhubi we-CTSU kunye nemodyuli ye-TOUCH yokuqhuba ingxolo. Jonga kwinqaku lesicelo elingezantsi ngemiyalelo eneenkcukacha malunga nendlela yokudibanisa izihluzo kwiprojekthi file kunye nesihluzo sesoftware sample ikhowudi kunye nokusetyenziswa example projekthi file. I-RA Family Capacitive Touch Isihluzi seSoftwe Sample Inkqubo (R30AN0427)

Eli candelo lizisa izihluzi ezisebenzayo kumgangatho ngamnye we-EMC.

Itheyibhile ye-5-1 ye-EMC esemgangathweni kunye nezihlungi zeSoftware eziFanayo

Umgangatho we-EMC	Ingxolo elindelekileyo	Isihluzo seSofthiwe esihambelanayo
IEC61000-4-3	Ingxolo engaqhelekanga	Isihluzi se-IIR
I-radiated immunity,
IEC61000-4-6	Ingxolo ngamaxesha	Isihluzi soMlilo
I-immunity eyenziwayo

Isihluzo se-IIR
Isihluzi se-IIR (Isihluzo se-Infinite Impulse Response filter) sidinga inkumbulo encinci kwaye siqhayisa ngomthwalo omncinci wokubala, okwenza kube yinto efanelekileyo kwiinkqubo zamandla aphantsi kunye nezicelo ezinamaqhosha amaninzi. Ukusebenzisa oku njengesihluzo esikwipasi elisezantsi kunceda ukunciphisa ingxolo yefrikhwensi ephezulu. Nangona kunjalo, kufuneka kuthathelwe ingqalelo njengento ephantsi ye-cutoff frequency, ixesha elide lokumisa, eliya kulibazisa inkqubo yesigwebo se-ON / OFF. Isihluzo se-IIR soluhlu lokuqala lwepali enye sibalwa kusetyenziswa le fomyula ilandelayo, apho u-a kunye no-b bengumlinganiso, xn lixabiso legalelo, u-yn lixabiso lemveliso, kwaye u-yn-1 lixabiso lemveliso yangaphambili kwangoko.

Xa isihluzo se-IIR sisetyenziswa njengecebo lokucoca elisezantsi, i-coefficients a kunye ne-b ingabalwa ngokusebenzisa le fomula ilandelayo, apho i-sampLing frequency ngu fs kunye ne cutoff frequency yi fc.

Isihluzo soMlilo
Isihluzi se-FIR (iFinite Impulse Response filter) sisihluzo esizinze kakhulu esenza ukonakala kokuchaneka okuncinci ngenxa yeempazamo zokubala. Ngokuxhomekeke kwi-coefficient, inokusetyenziswa njenge-low-pass filter okanye i-band-pass filter, ukunciphisa zombini ingxolo yexesha kunye nengxolo engahleliweyo, ngaloo ndlela iphucula i-SNR. Nangona kunjalo, ngenxa yokuba u-sampOkuncinci ukusuka kwixesha elithile langaphambili zigcinwa kwaye zibalwe, ukusetyenziswa kwememori kunye nomthwalo wokubala kuya kwanda ngokomlinganiselo wempompo yokucoca ubude. Isihluzo se-FIR sibalwa kusetyenziswa le fomyula ilandelayo, apho i-L kunye ne-h0 ukuya kwi-hL-1 ziyi-coefficients, i-xn lixabiso legalelo, i-xn-I lixabiso legalelo elidlulileyo kwi-s.ample i, kwaye yn lixabiso lemveliso.

Ukusetyenziswa ExampLes
Eli candelo libonelela exampUkususwa kwengxolo usebenzisa i-IIR kunye ne-FIR filters. Itheyibhile 5-2 ibonisa iimeko zokucoca kunye neFigure 5-2 ibonisa i-example yokususa ingxolo random.

Uluhlu 5-2 Ukusetyenziswa kwesihluzi ExampLes

Ifomathi Yesihluzi	Umqathango 1	Umqathango 2	Amagqabantshintshi
Iipali enye-odolo yokuqala ye-IIR	b=0.5	b=0.75
UMLILO	L=4 h0~ hL-1=0.25	L=8 h0~ hL-1=0.125	Sebenzisa i-avareji elula ehambayo

Amanqaku osetyenziso Ngokumalunga noMjikelo woMlinganiso
Iimpawu ze-frequency filters zesoftware ziyatshintsha ngokuxhomekeke ekuchanekeni komjikelo womlinganiselo. Ukongeza, awunakufumana iimpawu zokucoca ezilindelekileyo ngenxa yokunxaxha okanye ukwahluka kumjikelo womlinganiselo. Ukugxila phambili kwiimpawu zokucoca, sebenzisa i-high-speed on-chip oscillator (HOCO) okanye i-crystal oscillator yangaphandle njengewotshi ephambili. Sikwacebisa ukuba ulawule imijikelo yokwenziwa komlinganiselo wehardware.

Uluhlu lwamagama

Ixesha	Ingcaciso
I-CTSU	Iyunithi yeCapacitive Touch Sensing. Ikwasetyenziswa kwi-CTSU1 kunye ne-CTSU2.
I-CTSU1	Isizukulwana sesibini CTSU IP. "1" yongezwa ukwahlula kwi-CTSU2.
I-CTSU2	Isizukulwana sesithathu se-CTSU IP.
Umqhubi we-CTSU	Isoftware yomqhubi we-CTSU idityaniswe kwiiphakheji zeSoftware yeRenesas.
Imodyuli ye-CTSU	Iyunithi yesoftware yomqhubi we-CTSU enokuthi ifakwe kusetyenziswa i-Smart Configurator.
UKUGQIBELA phakathi	I-Middleware yokusetyenzwa kokuchongwa xa usebenzisa i-CTSU edityaniswe kwiipakethe zesoftware yeRenesas.
Imodyuli ye-CHUMA	Iyunithi ye-TOUCH middleware enokuthi ifakwe kusetyenziswa i-Smart Configurator.
r_ctu imodyuli	Umqhubi we-CTSU uboniswa kwi-Smart Configurator.
rm_touch imodyuli	Imodyuli ye-TOuch eboniswe kwiSiqwalaseli esiSmart
I-CCO	I-Oscillator yoLawulo lwangoku. I-oscillator elawulwa ngoku isetyenziswa kwi-capacitive touch sensors. Kwakhona kubhalwe njenge-ICO kwamanye amaxwebhu.
ICO	Ngokufanayo neCCO.
I-TSCAP	I-capacitor yokuzinzisa i-CTSU yangaphakathi voltage.
Dampisixhasi	I-resistor isetyenziselwa ukunciphisa umonakalo we-pin okanye iziphumo ngenxa yengxolo yangaphandle. Ngeenkcukacha, bhekisa kwiSikhokelo sokuYila i-Capacitive Touch Electrode (R30AN0389).
VDC	Umqulutage Down Converter. Isiphaluka sonikezelo lwamandla kwi-capacitive sensor measurement eyakhelwe kwi-CTSU.
Umlinganiselo wokuphindaphinda kaninzi	Umsebenzi osebenzisa iiwotshi zeyunithi yesivamvo ezininzi ezinefrikhwensi eyahlukileyo yokulinganisa ukubamba; ibonisa umsebenzi womlinganiselo weewotshi ezininzi.
Isivamvo sokuqhuba i-pulse	Umqondiso oqhuba i-capacitor etshintshiweyo.
Ingxolo ehambelanayo	Ingxolo kwi-frequency ehambelana ne-sensor drive pulse.
EUT	Izixhobo eziphantsi kovavanyo. Ibonisa isixhobo esiza kuvavanywa.
LDO	UMlawuli Wokuyeka Okuphantsi
I-PSRR	Unikezelo loMbane woKwala iRation
FSP	I-Flexible Software Package
FIT	Itekhnoloji yokudibanisa iFirmware.
SIS	Inkqubo yoManyano lweSoftware

Imbali yohlaziyo

Umfundisi.	Umhla	Inkcazo
		Iphepha	Isishwankathelo
1.00	Nge-31 kaMeyi, 2023	–	Uhlaziyo lokuqala
2.00	Nge-25 kaDec, 2023	–	Kwi-IEC61000-4-6
		6	Kongezwe impembelelo yengxolo yemowudi eqhelekileyo ku-2.2
		7	Izinto ezifakwe kwiThebhile 2-5
		9	Umbhalo ohlaziyiweyo kwi-3.1, ulungiswe uMzobo 3-1
			Isicatshulwa esihlaziyiweyo kwi-3-2
		10	Kwi-3.3.1, isicatshulwa esihlaziyiweyo kwaye songezwa uMzobo 3-4. Inkcazo ecinyiweyo yendlela yokutshintsha izicwangciso zemilinganiselo ye-multi-frequency kunye nengcaciso eyongeziweyo ye-multi-frequency measurement interference frequency frequency Figure 3-5e3-5.
		11	Amaxwebhu ereferensi ongeziweyo ku-3.2.2
		14	Inqaku elongeziweyo malunga ne-TSCAP capacitor uqhagamshelo lwe-GND ukuya 4.1.2.2
		15	Inqaku elongeziweyo malunga noyilo lwekona yocingo ukuya ku-4.2.2
		16	Kongezwe 4.3 Imilinganiso yokuLwa ingxolo
		18	Icandelo lesi-5 elihlaziyiweyo.

ImiQathango ngokuPhangaleleyo ekuPhathweni kweYunithi yeMicroprocessing kunye neeMveliso zeYunithi yeMicrocontroller

La manqaku alandelayo okusetyenziswa asebenza kuyo yonke iyunithi ye-Microprocessing kunye neemveliso zeyunithi ye-Microcontroller evela kwi-Renesas. Ukufumana amanqaku aneenkcukacha osetyenziso kwiimveliso ezigutyungelwe kolu xwebhu, bhekisa kumacandelo afanelekileyo oxwebhu kunye naluphi na uhlaziyo lobugcisa olukhutshelwe iimveliso.

1. ULumkelo ngokuchasene nokuDilwa kwe-Electrostatic Discharge (ESD)
   Intsimi yombane eyomeleleyo, xa ibonakaliswe kwisixhobo se-CMOS, inokutshabalalisa i-oxide yesango kwaye ekugqibeleni ithobe ukusebenza kwesixhobo. Amanyathelo kufuneka athathwe ukumisa ukuveliswa kombane ongatshintshiyo kangangoko kunokwenzeka, kwaye ngokukhawuleza ukuwuchitha xa usenzeka. Ulawulo lokusingqongileyo kufuneka lwanele. Xa yomile, kufuneka kusetyenziswe i-humidifier. Oku kucetyiswa ukuba kugwenywe ukusebenzisa i-insulators ezinokwakha lula umbane ongatshintshiyo. Izixhobo ze-semiconductor kufuneka zigcinwe kwaye zihanjiswe kwi-anti-static container, i-static shielding bag, okanye i-conductive material. Zonke izixhobo zovavanyo kunye nemilinganiselo kubandakanya iibhentshi zokusebenza kunye nemigangatho kufuneka zibekwe phantsi. Umsebenzisi kufuneka abekwe phantsi esebenzisa umtya wesihlahla. Izixhobo ze-semiconductor akufuneki zichukunyiswe ngezandla. Izilumkiso ezifanayo mazithathwe kwiibhodi zesekethe eziprintiweyo ezinezixhobo ezinyusiweyo ze-semiconductor.
2. Ukuqhubela phambili kumbane-uvuliwe
   Ubume bemveliso ayichazwanga ngexesha lokunikezelwa kwamandla. Iimeko zeesekethe zangaphakathi kwi-LSI azinakuchazwa kwaye imimiselo yerejista yokusetha kunye nezikhonkwane azichazwanga ngexesha apho amandla anikezelwayo. Kwimveliso egqityiweyo apho isignali yokusetha kwakhona isetyenziswe kwi-pin yangaphandle yokusetha kwakhona, i-state of pins ayiqinisekiswanga ukusuka kwixesha apho amandla anikezelwa kude kube yinkqubo yokusetha kwakhona. Ngokufanayo, i-states of pins kwimveliso esetyenzisiweyo yi-on-chip power-on reset function ayiqinisekiswanga ukusuka kwixesha apho amandla anikezelwayo de amandla afikelele kwinqanaba apho ukusetha kwakhona kuchaziwe.
3. Ukufakwa komqondiso ngexesha lokucima kombane
   Musa ukufaka imiqondiso okanye unikezelo lombane lwe-I/O xa isixhobo sicinyiwe. Inaliti yangoku ephuma kwigalelo lomqondiso onjalo okanye unikezelo lwamandla lwe-I/O lokutsalela phezulu lunokubangela ukungasebenzi kakuhle kwaye umsinga ongaqhelekanga odlula kwisixhobo ngeli xesha unokubangela ukuthotywa kwezinto zangaphakathi. Landela isikhokelo sophawu lwegalelo ngexesha lokucima kombane njengoko kuchaziwe kuxwebhu lwemveliso yakho.
4. Ukuphatha izikhonkwane ezingasetyenziswanga
   Phatha izikhonkwane ezingasetyenziswanga ngokwemigaqo enikwe phantsi kokuphathwa kwezikhonkwane ezingasetyenziswanga kwincwadana. Izikhonkwane zokufaka iimveliso ze-CMOS zihlala zikwimeko ephezulu yokuthintela. Ekusebenzeni ngepini engasetyenziswanga kwimeko ye-open-circuit state, ingxolo ye-electromagnetic eyongezelelweyo ibangelwa kwindawo ye-LSI, ukudubula okuhambelana nokuhamba kwangoku kwangaphakathi, kwaye ukungasebenzi kakuhle kwenzeka ngenxa yokuqatshelwa kobuxoki kwe-pin state njengophawu lwegalelo. kwenzeka.
5. Iimpawu zewotshi
   Emva kokufaka ukusetha kwakhona, khulula kuphela umgca wokusetha kwakhona emva kokuba isignali yewotshi yokusebenza izinzile. Xa utshintsha isignali yewotshi ngexesha lokwenziwa kwenkqubo, linda de isignali yewotshi ekujoliswe kuyo izinze. Xa isignali yewashi iveliswa nge-resonator yangaphandle okanye kwi-oscillator yangaphandle ngexesha lokusetha kwakhona, qinisekisa ukuba umgca wokusetha kabusha ukhutshwa kuphela emva kokuzinziswa ngokupheleleyo kwesignali yewashi. Ukongezelela, xa utshintshela kwisignali yewashi eveliswe nge-resonator yangaphandle okanye nge-oscillator yangaphandle ngelixa ukuphunyezwa kweprogram kuqhubeka, linda de kube uphawu lwewashi olujoliswe kuyo luzinzile.
6. Umqulutage isicelo waveform kwi pin yongeniso
   Ukugqwetheka kwe-Waveform ngenxa yengxolo yongeniso okanye i-wave wave inokubangela ukungasebenzi kakuhle. Ukuba igalelo isixhobo CMOS lihlala kwindawo phakathi VIL (Max.) kunye VIH (Min.) ngenxa yengxolo, kuba ex.ampLe, ifowuni inokungasebenzi kakuhle. Qaphela ukukhusela ingxolo yokuthetha ekungeneni kwisixhobo xa inqanaba lokufaka lilungisiwe, kwaye nakwixesha lokutshintsha xa inqanaba lokufaka lidlula kwindawo phakathi kwe-VIL (Max.) kunye ne-VIH (Min.).
7. Ukwalelwa ukufikelela kwiidilesi ezigciniweyo
   Ukufikelela kwiidilesi ezibekelwe bucala akuvumelekanga. Iidilesi ezibekelwe bucala zibonelelwe ukwenzela ukwandiswa kwemisebenzi kwixesha elizayo. Musa ukufikelela kwezi dilesi njengoko ukusebenza ngokuchanekileyo kwe-LSI kungaqinisekiswanga.
8. Umahluko phakathi kweemveliso
   Ngaphambi kokutshintsha ukusuka kwimveliso ukuya kwenye, umzekeloample, kwimveliso enenombolo eyahlukileyo, qinisekisa ukuba utshintsho aluyi kukhokelela kwiingxaki. Iimpawu zeyunithi yokusetyenzwa encinci okanye iyunithi yokulawula iyunithi yeemveliso ezincinci kwiqela elinye kodwa enenombolo eyahlukileyo ingohluka ngokomthamo wememori yangaphakathi, ipateni yoyilo, kunye nezinye izinto ezinokuchaphazela uluhlu lweempawu zombane, ezinje ngexabiso leempawu. , imida yokusebenza, ukungakhuseleki kwingxolo, kunye nobungakanani bengxolo ephumayo. Xa utshintshela kwimveliso enenombolo eyahlukileyo, sebenzisa uvavanyo lwenkqubo yovavanyo lwemveliso enikiweyo.

Qaphela

1. Iinkcazo zeesekethe, isoftware, kunye nolunye ulwazi olunxulumeneyo kolu xwebhu lunikezelwe kuphela ukubonisa ukusebenza kweemveliso zesemiconductor kunye nesicelo ex.ampLes. Unoxanduva olupheleleyo lokubandakanywa okanye naluphi na olunye usetyenziso lweesekethe, isoftware, kunye nolwazi kuyilo lwemveliso okanye inkqubo yakho. I-Renesas Electronics iyayikhupha nayiphi na imfanelo yayo nayiphi na ilahleko kunye nomonakalo owenziwe nguwe okanye amaqela esithathu ngenxa yokusetyenziswa kwezi sekethe, isofthiwe, okanye ulwazi.
2. I-Renesas Electronics iyazikhupha ngokucacileyo naziphi na iziqinisekiso ezichasene kunye noxanduva lokwaphulwa okanye nawaphi na amanye amabango abandakanya amalungelo awodwa abenzi, amalungelo okushicilela, okanye amanye amalungelo epropathi enomgangatho ophezulu wokuqonda wamaqela esithathu, okanye avela kusetyenziso lweemveliso zeRenesas Electronics okanye ulwazi lobugcisa oluchazwe kolu xwebhu, kubandakanywa kodwa akuphelelanga apho, idatha yemveliso, imizobo, iitshathi, iinkqubo, algorithms, kunye nesicelo examples.
3. Akukho layisenisi, inkcazo, echaziweyo, okanye ngenye indlela, enikezelwe apha phantsi kwawo nawaphi na amalungelo awodwa omenzi wechiza, amalungelo okushicilela, okanye amanye amalungelo epropathi enomgangatho ophezulu wokuqonda weRenesas Electronics okanye abanye.
4. Uya kuba noxanduva lokuqinisekisa ukuba zeziphi na iilayisensi ezifunekayo kuwo nawuphi na umntu wesithathu, nokufumana iilayisenisi ezinjalo zokungenisa elizweni ngokusemthethweni, ukuthumela ngaphandle, ukuvelisa, ukuthengisa, ukusetyenziswa, ukuhanjiswa, okanye okunye ukulahlwa kwazo naziphi na iimveliso ezibandakanya iimveliso zeRenesas Electronics, ukuba ziyafuneka.
5. Awuyi kuguqula, ukuguqula, ukukopa, okanye ukubuyisela umva injineli nayiphi na imveliso yeRenesas Electronics, nokuba iyonke okanye inxalenye yayo. I-Renesas Electronics iyayibalula nayiphi na imfanelo yayo nayiphi na ilahleko okanye umonakalo owenziwe nguwe okanye umntu wesithathu ovela kolo tshintsho, uhlengahlengiso, ukukopa, okanye ukubuyisela umva ubunjineli.
6. Iimveliso zeRenesas Electronics zihlelwa ngokwala mabanga mabini alandelayo asemgangathweni: "Umgangatho" kunye "noMgangatho oPhezulu". Usetyenziso olucetyiweyo lwemveliso nganye yeRenesas Electronics ixhomekeke kumgangatho wemveliso, njengoko kubonisiwe ngezantsi.
   “Umgangatho”: Iikhompyutha; izixhobo zeofisi; izixhobo zonxibelelwano; izixhobo zovavanyo kunye nemilinganiselo; izixhobo ezivakalayo nezibonwayo; izixhobo ze-elektroniki zasekhaya; izixhobo zoomatshini; izixhobo zobuqu ze-elektroniki; iirobhothi zemizi-mveliso; njl.
   “Umgangatho ophezulu”: Izixhobo zothutho (iimoto, oololiwe, iinqanawa, njl.); ulawulo lwendlela (izibane zendlela); izixhobo zonxibelelwano ezinkulu; iinkqubo eziphambili zemali; izixhobo zokulawula ukhuseleko; njl.
   Ngaphandle kokuba ichazwe ngokucacileyo njengemveliso ethembeke kakhulu okanye imveliso yeendawo ezirhabaxa kwiphepha ledatha leRenesas Electronics okanye olunye uxwebhu lweRenesas Electronics, iimveliso zeRenesas Electronics azenzelwanga okanye zigunyazisiweyo ukuba zisetyenziswe kwiimveliso okanye iinkqubo ezinokubeka isoyikiso ngqo kubomi bomntu. okanye ukwenzakala emzimbeni (izixhobo ezifakelwayo zokuxhasa ubomi okanye iinkqubo; ukufakelwa kotyando; njl.njl.) okanye kunokubangela umonakalo omkhulu kwipropathi (inkqubo yasemajukujukwini; izinto eziphinda-phinda ngaphantsi kolwandle; iinkqubo zokulawula amandla enyukliya; iinkqubo zokulawula iinqwelo-moya; iinkqubo eziphambili zemizi-mveliso; izixhobo zomkhosi; njl. njl.). I-Renesas Electronics iyayikhupha nayiphi na imfanelo yawo nawuphi na umonakalo okanye ilahleko eyenziwe nguwe okanye nawaphi na amaqela esithathu ngenxa yokusetyenziswa kwayo nayiphi na imveliso yeRenesas Electronics engahambelaniyo nalo naluphi na uxwebhu lwedatha yeRenesas Electronics, incwadi yomsebenzisi, okanye olunye uxwebhu lweRenesas Electronics.
7. Akukho mveliso ye-semiconductor ikhuselekile. Ngaphandle kwawo nawaphi na amanyathelo okhuseleko okanye iimpawu ezinokuthi ziphunyezwe kwiRenesas Electronics hardware okanye iimveliso zesoftware, iRenesas Electronics ayisayi kuba natyala elivela kubo nabuphi na ubuthathaka okanye ukophulwa kokhuseleko, kubandakanya kodwa kungaphelelanga apho ukufikelela okungagunyaziswanga okanye ukusetyenziswa kwemveliso yeRenesas Electronics okanye. inkqubo esebenzisa imveliso yeRenesas Electronics. I-REENESAS ELECTRONICS AYIKUQINISEKISI OKANYE AYIQINISEKISI UKUBA IZIQINISEKISO ZOKUHLAZIYA IIMVELISO ZE-ELECTRONICS OKANYE NAZIPHI NA IINKQUBO EZENZIWE KUSETYENZISWA IIMVELISO ZE-ELECTRONICS EZIYIRENESAS IYA KUNGENZEKA OKANYE ISIKHULULO KUBURhwaphilizo, UKUHLASELA, IIVIRUSI, UKUPHAZAMISEKA, UKUPHAZAMISEKA, Imiba yoKunyathela”) . I-REENESAS ELECTRONICS IYAZIBANZA NALUPHI NA LONKE UXANDUVA OKANYE UXANDUVA OLUVELA OKANYE LUNXULULUMENE NAYO NAYIPHI NA IMIBA YOBUXHOTSHANE. NGAPHEZULU, NGAMANDLA EKUVUNYIWE NGOMTHETHO OSEBENZAYO, I-REENESAS ELECTRONICS UBANGO NAZIPHI NA ZONKE IZIQINISEKISO, EZINGQIQWEYO OKANYE EZICIKIWEYO, MALUNGA NOLU XWEBHU KUNYE NAYE NAYIPHI NA ENXULUMENE OKANYE IHAMBANA NESOFTWARE OKANYE OKUNGAHLANGANISIWEYO UBUKHONO, OKANYE UKULUNGELELWA KWENTO ETHILE INJONGO.
8. Xa usebenzisa iimveliso zeRenesas Electronics, bhekisa kulwazi lwamva nje lwemveliso (amaphepha edatha, iincwadana zabasebenzisi, amanqaku esicelo, “Amanqaku aBanzi ngokuPhatha nokusebenzisa iSemiconductor Devices” kwincwadi yokuthembeka, njl. njl.), kwaye uqinisekise ukuba iimeko zokusetyenziswa ziphakathi koluhlu. icaciswe yiRenesas Electronics ngokumalunga namazinga aphezulu, amandla ombane osebenzayo voltaguluhlu, iimpawu zokulahla ubushushu, ukufakela, njl.
9. Nangona i-Renesas Electronics izama ukuphucula umgangatho kunye nokuthembeka kweemveliso ze-Renesas Electronics, iimveliso ze-semiconductor zineempawu ezithile, ezifana nokuvela kokusilela kwinqanaba elithile kunye nokungasebenzi kakuhle phantsi kweemeko ezithile zokusetyenziswa. Ngaphandle kokuba ichongwe njengemveliso ethembeke kakhulu okanye imveliso yeemeko ezingqongileyo ezirhabaxa kwiphepha ledatha leRenesas Electronics okanye olunye uxwebhu lweRenesas Electronics, iimveliso zeRenesas Electronics azikho phantsi koyilo lokumelana nemitha. Unoxanduva lokuphumeza amanyathelo okhuseleko ukugada ukwenzakala emzimbeni, ukwenzakala okanye umonakalo obangelwe ngumlilo, kunye/okanye ingozi eluntwini xa kukho ukusilela okanye ukungasebenzi kakuhle kweemveliso zeRenesas Electronics, ezifana noyilo lokhuseleko lwehardware kunye isoftwe, kubandakanywa kodwa kungaphelelanga ekuphelelweni, ulawulo lomlilo, kunye nokuthintela ukungasebenzi kakuhle, unyango olufanelekileyo lokuthotywa kokuguga okanye nawaphi na amanye amanyathelo afanelekileyo. Ngenxa yokuba uvavanyo lwesoftwe ye-microcomputer iyodwa inzima kakhulu kwaye ayisebenzi, unoxanduva lokuvavanya ukhuseleko lweemveliso zokugqibela okanye iinkqubo ezenziwe nguwe.
10. Nceda uqhagamshelane ne-ofisi yokuthengisa ye-Renesas Electronics ngeenkcukacha malunga nemicimbi yokusingqongileyo efana nokuhambelana kokusingqongileyo kwimveliso nganye yeRenesas Electronics. Unoxanduva lokuphanda ngononophelo nangokwaneleyo imithetho esebenzayo kunye nemimiselo elawula ukubandakanywa okanye ukusetyenziswa kwezinto ezilawulwayo, kubandakanywa ngaphandle kwemida, i-EU RoHS Directive, kunye nokusebenzisa iimveliso zeRenesas Electronics ngokuthobela yonke le mithetho esebenzayo kunye nemimiselo. I-Renesas Electronics iyayikhupha nayiphi na imfanelo yomonakalo okanye ilahleko eyenzeka ngenxa yokungahambelani kwakho nemithetho nemimiselo esebenzayo.
11. Iimveliso kunye nobuchwepheshe beRenesas Electronics aziyi kusetyenziselwa okanye zibandakanywe kuzo naziphi na iimveliso okanye iinkqubo ezithi ukwenziwa, ukusebenzisa, okanye ukuthengisa kuthintelwe phantsi kwayo nayiphi na imithetho esebenzayo yasekhaya okanye yangaphandle okanye imimiselo. Uyakuthobela nayiphi na imithetho esebenzayo yolawulo lokuthumela ngaphandle kunye nemimiselo ebhengezwe kwaye ilawulwa ngoorhulumente bawo nawaphi na amazwe abangisa igunya kumaqela okanye intengiselwano.
12. Luxanduva lomthengi okanye umhambisi weemveliso zeRenesas Electronics, okanye naliphi na elinye iqela elihambisa, lilahla, okanye lithengisa okanye lidlulisele imveliso kumntu wesithathu, ukwazisa elo qela lesithathu kwangaphambili ngemixholo kunye neemeko ezichazwe apha. olu xwebhu.
13. Olu xwebhu alusayi kuphinda luprintwe, luphinde lwenziwe, okanye lukhutshelwe kulo naluphi na uhlobo, ngokupheleleyo okanye inxalenye, ngaphandle kwemvume ebhaliweyo kwangaphambili yeRenesas Electronics.
14. Nceda uqhagamshelane neofisi yokuthengisa yeRenesas Electronics ukuba unayo nayiphi na imibuzo malunga nolwazi oluqulethwe kolu xwebhu okanye iimveliso zeRenesas Electronics.

• (Qaphela1) “I-Renesas Electronics” njengoko isetyenziswe kolu xwebhu ithetha iRenesas Electronics Corporation kwaye ikwabandakanya amacandelo ayo alawulwa ngokuthe ngqo okanye ngokungathanga ngqo.
• (Qaphela2) “Iimveliso zeRenesas Electronics” zithetha nayiphi na imveliso eyenziwe okanye eyenziwe ngabakwaRenesas Electronics.

Indlunkulu
TOYOSU FORESIA, 3-2-24 Toyosu, Koto-ku, Tokyo 135-0061, Japan www.renesas.com

Iimpawu zokuthengisa
IRenesas kunye nelogo yeRenesas ziimpawu zorhwebo zeRenesas Electronics Corporation. Zonke iimpawu zorhwebo kunye neempawu zorhwebo ezibhalisiweyo ziyipropati yabanini bazo.

Iinkcukacha zoqhakamshelwano
Ngolwazi oluthe kratya malunga nemveliso, itekhnoloji, olona guqulelo luhlaziyiweyo loxwebhu, okanye iofisi yakho yokuthengisa ekufutshane, nceda undwendwele www.renesas.com/contact/.

• 2023 Renesas Electronics Corporation. Onke Amalungelo Agciniwe.

Amaxwebhu / Izibonelelo

I-REENESAS RA2E1 i-Capacitive Sensor MCU [pdf] Isikhokelo somsebenzisi RA2E1, RX Family, RA Family, RL78 Family, RA2E1 Capacitive Sensor MCU, RA2E1, Capacitive Sensor MCU, Sensor MCU

Iimbekiselo

• Incwadi yokusebenzisa