Ilimin E-mark guntu

Abubuwan da aka ƙayyade kafin Nau'in C (TypeA, TypeB, da dai sauransu) sun mayar da hankali kan halaye na "wuya" na kebul na USB, kamar adadin sigina, siffar ƙirar, halayen lantarki, da sauransu.TypeC yana ƙara wasu abubuwan "laushi" bisa ma'anar "wuya" halaye na kebul na kebul.Kebul na USB (yana nufin TypeC kawai) yana kawar da alaƙa da kebul kuma ya zama sabon ƙayyadaddun ƙayyadaddun bayanai wanda zai iya daidaita daidai da ƙayyadaddun USB.Bayan da aka haɓaka kebul ɗin zuwa nau'in 3.1, musaya na zahiri duk sun ɗauki tsarin Nau'in C, kuma ainihin tsarin 3.1 daidaitaccen tsarin waya na USB Type-C ba iri ɗaya bane, wanda ya haifar da hargitsi.Har zuwa shekara ta 2019, don daidaita ayyukan su da aikin wutar lantarki, ƙungiyar ta kafa kofa.Idan samfur yana so ya goyi bayan babban halin yanzu na 5A, USB 3.0 ko saurin watsawa da aikin fitarwa na bidiyo, yana buƙatar sanye take da guntu E-Marker.E-mark, cikakken suna: Cable Alamar Wutar Lantarki, USB Type-C mai aiki na USB wanda aka haɗa tare da guntu E-Marker, DFP da UFP na iya amfani da ka'idar PD don karanta kaddarorin kebul ɗin, gami da ikon watsa wutar lantarki, damar watsa bayanai, ID na Jiran. don bayani, kawai magana, idan kebul ɗin bayanai na Type-C yana da guntu E-Marker (muna kira ta alamar lantarki), E-Marker (Cable Marked Cable) kuma ana iya fahimtarsa ​​kawai azaman alamar lantarki don Type-C. layi.Ana iya karanta kaddarorin aikin kebul ɗin ta hanyar guntu E-Marker, kamar watsa wutar lantarki, watsa bayanai, watsa bidiyo da ID.Dangane da wannan, tashar fitarwa na iya daidaita madaidaicin ƙarfin lantarki / halin yanzu ko siginar sauti da bidiyo bisa ga na'urorin da aka haɗa kamar wayoyin hannu ko na'urori.A baya, E-Marker chips koyaushe ana shigo da su.Cypress (Cypress) da Intel suna da samfuran guntu mai ƙarfi na E-Marker.Apple sau ɗaya ya keɓance E-Marker USB 4 guntu JHL 7040 daga Intel don amfani da shi akan ƙirar Thunderbolt.A cikin 'yan shekarun nan, kwakwalwan kwamfuta da za su iya tallafawa masu yin E-maker na gida su ma sun fara yin ciniki a cikin batches kuma sun zama na al'ada.

Ka'idar farko ta amfani da alamar E-mark: Idan kana son samar da wutar lantarki wanda ya wuce 5V ko na yanzu wanda ya wuce 3A ta hanyar kebul na TYPE-C, to dole ne ka buƙaci guntu na TYPE-C don aiwatar da yarjejeniyar USB PD.

Ka'ida ta biyu ta amfani da alamar E-mark: Idan na'urarka tana amfani da ƙarfin lantarki 5V, kuma na yanzu bai wuce 3A ba.Ya dogara da halayen samar da wutar lantarki da halayen watsa bayanai na na'urar kanta.Idan na'urar da kanta tana ba da wutar lantarki ne kawai zuwa waje, ko kuma kawai ta karɓi wutar lantarki daga ɗayan ɓangaren, kuma aikin samar da wutar lantarki da aikin watsa bayanai sun daidaita ta hanyar tsohuwa (wato bangaren samar da wutar lantarki HOST ne, mai amfani da wutar kuma shine Bawa. ko na'ura), to ba kwa buƙatar guntu TYPE-C.

Ka'ida ta uku ta amfani da alamar E-markAna amfani da waɗannan ka'idoji guda biyu don yin hukunci ko ana buƙatar guntu na TYPE-C akan na'urar.Wani batu da ya ja hankali sosai shine ko ana buƙatar guntu E-MARKER akan layin watsa CC.Wannan ma'aunin hukunci shine tsarin amfani, shin na yanzu zai wuce 3A?Idan bai wuce ba, ba kwa buƙatarsa.Layin A zuwa C, B zuwa C ya dogara da ko kana buƙatar aiwatar da ka'idar Cajin baturi.Idan kuna son aiwatar da shi, zaku iya amfani da LDR6013.Amfanin shine cewa yana iya gane duka caji da caji.Canja wurin bayanai don guje wa matsalar cewa wasu adaftan da ba su bi ka'idar Cajin Baturi ba ba za su iya cajin na'urorin Apple ba.