Isingeniso Sezixhumi Zohlobo C
I-USB Type-Civele njengomdlali ovelele emakethe ngenxa yezinzuzo zayo zesixhumi futhi manje isiseduze nokufinyelela phezulu. Ukusetshenziswa kwayo emikhakheni ehlukahlukene akuvimbeki. I-MacBook yakwa-Apple yenze abantu babona ukusebenziseka kwesixhumi esibonakalayo se-USB Type-C futhi yembula nendlela yokuthuthuka yamadivayisi azayo. Ezinsukwini ezizayo, kuzokwethulwa amadivayisi amaningi we-USB Type-C. Ngokungangabazeki, isixhumi esibonakalayo se-USB Type-C kancane kancane sizosabalala futhi silawule imakethe eminyakeni embalwa ezayo. Ngaphezu kwalokho, kumadivayisi eselula afana namafoni namathebulethi, inezici ezimbalwa ezivumela ukushaja okusheshayo, isivinini esikhulu sokudlulisa idatha, nokusekelwa kokuphumayo kwesibonisi. Ifaneleka kakhulu njengesixhumi esibonakalayo esiphumayo samadivayisi eselula. Okubaluleke kakhulu, kunesidingo esinamandla se-interface yendawo yonke ukuthuthukisa ukuxhumana phakathi kwamadivayisi ahlukahlukene. Lezi zici zingenza isixhumi esibonakalayo se-Type-C sibe ukusebenzelana okuhlangene kwesikhathi esizayo, hhayi ezinkambini zohlelo lokusebenza ozibonayo kuphela!
Uma iklanywe ngokuhambisana namazinga womkhakha we-USB Association, isixhumi se-USB Type-C nakanjani sibe yimfashini, sizacile, futhi siminyene, sifanele amadivayisi eselula. Ngesikhathi esifanayo, idinga ukuhlangabezana nezidingo zamandla aphezulu enhlangano futhi ifaneleke izicelo ezihlukahlukene zezimboni. Isixhumi se-USB Type-C sinikeza isixhumi esibonakalayo sepulaki esibuyiseleka emuva; isokhethi ingafakwa kunoma iyiphi indlela, ifinyelele ukuxhumana okulula nokuthembekile. Lesi sixhumi futhi sidinga ukusekela amaphrothokholi amaningi ahlukene futhi singahle sihambisane ne-HDMI, i-VGA, i-DisplayPort, nezinye izinhlobo zokuxhuma kusuka embobeni eyodwa ye-USB yohlobo C ngokusebenzisa ama-adaptha. Ukubhekana nokusebenza ekuphazamisekeni kwe-electromagnetic (EMI) nakwezinye izindawo ezinokhahlo, kudingeka ukucatshangelwa okwengeziwe komklamo. Kunconywa ukuthi abakhiqizi bakhethe abahlinzeki bezixhumi abanesitifiketi se-TID ukuze bagweme izinkinga ezinhlelweni zokusebenza ezibulalayo!
II-USB Type-C 3.1interface inezinzuzo ezinkulu eziyisithupha:
1) Ukusebenza okugcwele: Isekela idatha, umsindo, ividiyo, kanye nokushaja ngesikhathi esisodwa, ibeka isisekelo sedatha yesivinini esikhulu, umsindo wedijithali, ividiyo enencazelo ephezulu, ukushaja okusheshayo, nokwabelana ngamadivaysi amaningi. Ikhebula elilodwa lingashintsha amakhebuli amaningi asetshenziswe ngaphambili.
2) Ukufakwa okubuyisela emuva: Ngokufanayo nesixhumi esibonakalayo se-Apple Lightning, ingaphambili nangemuva kwetheku kuyafana, kusekela ukufakwa okubuyisela emuva.
3) Ukudluliswa kwe-Bidirectional: Idatha namandla kungadluliselwa kuzo zombili izinkomba.
4) Ukuhambisana kwasemuva: Ngama-adaptha, ingakwazi ukusebenzisana ne-USB Type-A, Micro-B, nezinye izixhumi ezibonakalayo.
5) Usayizi omncane: Usayizi wesixhumi esibonakalayo ngu-8.3mm x 2.5mm, cishe ingxenye eyodwa kwezintathu kasayizi wesixhumi esibonakalayo se-USB-A.
6) Isivinini esikhulu: Iyahambisana ne-I-USB 3.1Iphrothokholi, ingakwazi ukusekela ukudluliswa kwedatha okufika ku-10Gb/s, njengeI-USB C 10GbpsfuthiI-USB 3.1 Gen 2amazinga, ukuzuza ukudluliswa okushesha kakhulu.
Imiyalo yokuxhumana ye-USB PD
I-USB - Ukulethwa Kwamandla (i-USB PD) ukucaciswa kwephrothokholi evumela ukudluliswa kwamandla afika ku-100W kanye nokuxhumana kwedatha ngasikhathi sinye ngekhebuli eyodwa; I-USB Type-C iwukucaciswa okusha ngokuphelele kwesixhumi se-USB esingasekela uchungechunge lwamazinga amasha njenge-USB 3.1 (Gen1 ne-Gen2), Imbobo yokubonisa, ne-USB PD; amandla kagesi asekelwayo aphezulu kanye namanje embobeni yohlobo C ye-USB ngu-5V 3A; uma i-USB PD isetshenziswa embotsheni ye-USB Type-C, ingasekela amandla angu-240W achazwe ekucacisweni kwe-USB PD, ngakho-ke, ukuba nembobo ye-USB Type-C akusho ukuthi isekela i-USB PD; I-USB PD ibonakala iyiphrothokholi nje yokudlulisa amandla nokuphatha, kodwa empeleni, ingashintsha izindima zechweba, ixhumane nezintambo ezisebenzayo, ivumele i-DFP ukuthi ibe idivayisi yokunikezela amandla kanye neminye imisebenzi eminingi ethuthukisiwe. Ngakho-ke, amadivaysi asekela i-PD kumele asebenzise ama-CC Logic chips (ama-E-Mark chips), isibonelo, asebenzisa i-5A 100W Ikhebula le-USB Cingafinyelela ukunikezwa kwamandla okusebenzayo.
Ukutholwa Kwamanje Nokusetshenziswa Kwe-USB Type-C VBUS
I-USB Type-C yengeze ukutholwa kwamanje nemisebenzi yokusebenzisa. Kusetshenziswe izindlela zamanje ezintathu ezintsha: imodi yamandla ezenzakalelayo ye-USB (500mA/900mA), 1.5A, kanye ne-3.0A. Lezi zindlela ezintathu zamanje zidluliselwa futhi zitholwa ngamaphini e-CC. Kuma-DFP adinga amandla okukhipha amanje okusakaza, amanani ahlukene we-CC pull-up resistors Rp ayadingeka ukuze kuzuzwe lokhu. Kuma-UFP, inani le-voltage kuphinikhodi ye-CC lidinga ukutholwa ukuze kutholwe amandla amanje okukhiphayo yenye i-DFP.
I-DFP-to-UFP kanye ne-VBUS Management and Detection
I-DFP iyimbobo yohlobo C ye-USB etholakala kumsingathi noma ihabhu, exhunywe kudivayisi. I-UFP iyimbobo yohlobo C ye-USB etholakala kudivayisi noma kuhabhu, exhunywe kumsingathi noma i-DFP yehabhu. I-DRP iyimbobo ye-USB Type-C engasebenza njenge-DFP noma i-UFP. I-DRP ishintsha phakathi kwe-DFP ne-UFP njalo ngo-50ms kumodi yokulinda. Uma ushintshela ku-DFP, kufanele kube khona i-resistor Rp edonsa ikhuphukele ku-VBUS noma umthombo wamanje ophumayo kuphinikhodi ye-CC. Lapho ushintshela ku-UFP, kufanele kube khona i-resistor Rd edonsela phansi ku-GND ephinikhodi ye-CC. Lesi senzo sokushintsha kufanele sigcwaliswe yi-CC Logic chip.
I-VBUS ingakhishwa kuphela uma i-DFP ithola ukufakwa kwe-UFP. Uma i-UFP isusiwe, i-VBUS kufanele ivalwe. Lo msebenzi kufanele uqedelwe yi-CC Logic chip.
Qaphela: I-DRP eshiwo ngenhla yehlukile ku-USB-PD DRP. I-USB-PD DRP isho izimbobo zamandla ezisebenza njengomthombo wamandla (umhlinzeki) kanye Nosinki (umsebenzisi), isibonelo, imbobo ye-USB Type-C kukhompuyutha ephathekayo isekela i-USB-PD DRP, engenza njengomthombo wamandla (uma ixhuma idrayivu ye-USB noma iselula) noma iSinki (uma uxhuma imonitha noma i-adaptha yamandla).
Umqondo we-DRP, umqondo we-DFP, umqondo we-UFP
Ukudluliswa kwedatha ikakhulukazi kuqukethe amasethi amabili amasiginali ahlukene, i-TX/RX. I-CC1 ne-CC2 yizikhonkwane ezimbili ezibalulekile ezinemisebenzi eminingi:
Ukuthola ukuxhumana, ukuhlukanisa phakathi kwezinhlangothi zangaphambili nezangemuva, ukuhlukanisa phakathi kwe-DFP ne-UFP, okuwukucushwa kwesigqila esiyinhloko se-Vbus, kunezinhlobo ezimbili ze-USB Type-C kanye ne-USB Power Delivery.
Ilungiselela i-Vconn. Uma kune-chip kukhebula, i-CC eyodwa idlulisa isignali, futhi enye i-CC iba i-Vconn yokuphakela amandla. Ilungiselela ezinye izindlela, njengalapho uxhuma izesekeli zomsindo, i-DP, i-PCIE, kunemigqa emine yamandla nephansi ngayinye, i-DRP (I-Dual Role Port): imbobo enendima ekabili, i-DRP ingasetshenziswa njenge-DFP (Host), i-UFP (Idivayisi), noma ishintshe ngokuguquguqukayo phakathi kwe-DFP ne-UFP. Idivayisi evamile ye-DRP ikhompuyutha (ikhompyutha ingasebenza njengomsingathi we-USB noma idivayisi ezoshajwa (i-MacBook Air entsha ye-Apple)), iselula enomsebenzi we-OTG (iselula ingasebenza njengedivayisi ezoshajwa futhi ifundwe idatha, noma njengomsingathi ukuze inikeze amandla noma ifunde idatha esuka kudrayivu ye-USB), ibhange lamandla (ukukhipha nokushaja kungenziwa ngembobo eyodwa ye-USB, imbobo ye-USB yokushajwa kanye ne-USB Type-C).
Indlela yokuqalisa evamile yeklayenti (i-DFP-UFP) yohlobo C lwe-USB
Umqondo we-CCpin
I-CC (Isiteshi Sokulungiselela): Isiteshi Sokumisa, lesi isiteshi esingukhiye esisanda kungezwa ku-USB Type-C. Imisebenzi yayo ihlanganisa ukuthola uxhumo lwe-USB, ukuthola isiqondiso esifanele sokufaka, ukusungula nokuphatha ukuxhumana phakathi kwamadivayisi e-USB ne-VBUS, njll.
Kukhona i-Rp yokudonsa engaphezulu ephinikhodi ye-CC ye-DFP, kanye ne-Rd ephansi yokudonsela phansi kwe-UFP. Uma ingaxhunyiwe, i-VBUS ye-DFP ayinakho okukhiphayo. Ngemva kokuxhumeka, iphinikhodi ye-CC ixhunyiwe, futhi iphinikhodi ye-CC ye-DFP izobona i-resistor yokudonsela phansi i-Rd ye-UFP, ebonisa ukuthi uxhumano lwenziwe. Bese, i-DFP izovula ukushintshwa kwamandla e-Vbus namandla okukhiphayo ku-UFP. Iyiphi iphinikhodi ye-CC (CC1, CC2) ethola ukumelana nokudonsela phansi inquma isiqondiso sokufakwa kwesixhumi esibonakalayo, iphinde ishintshe i-RX/TX. I-resistance Rd = 5.1k, futhi ukumelana ne-Rp kuyinani elingaqinisekile. Ngokomdwebo odlule, kungabonwa ukuthi kukhona izindlela zokuphakela amandla ezimbalwa ze-USB Type-C. Indlela yokuhlukanisa kubo? Isekelwe enanini le-Rp. I-voltage etholwe iphinikhodi ye-CC ihlukile uma inani le-Rp lihlukile, bese lilawula isiphetho se-DFP ukuze kusetshenziswe ukuthi iyiphi imodi yokuphakela amandla. Kufanele kuqashelwe ukuthi izikhonkwane ezimbili ze-CC ezidwetshwe esithombeni esingenhla empeleni ziwumugqa owodwa kuphela we-CC kukhebula ngaphandle kwe-chip.
Isikhathi sokuthumela: Nov-03-2025
