Bayanin USB 2.0 da Bayanin Mai Haɗin
USB 2.0 shi ne misali na Universal Serial Bus (USB). Kusan dukkan na'urorin da kebul na USB, kuma kusan dukkanin igiyoyin USB, goyon baya a kalla USB 2.0.
Kayan aiki da ke bin ka'idar USB 2.0 suna da damar watsa bayanai a iyakar girman 480 Mbps. Wannan yana da sauri fiye da tsofaffi na USB 1.1 misali da yawa da hankali fiye da sababbin kebul na USB 3.0 .
Ana fitar da USB 1.1 a watan Agusta 1998, USB 2.0 a Afrilu 2000, da USB 3.0 a watan Nuwambar 2008.
Note: Ana amfani da USB 2.0 sau da yawa kamar USB .
USB 2.0 Haɗin
Lura: Toshe shi ne sunan da aka bai wa mai haɗin namiji a kan USB 2.0 na USB ko ƙwallon ƙafa , yayin da mai karɓa shine sunan da ake bawa mai haɗin mata a kan na'ura na USB 2.0 ko ƙarar tsawo.
- USB Type A : Wadannan masu haɗa suna da ake kira da USB 2.0 Standard-A kuma su ne haɗin kebul na daidai daidai da za ku ga a kan mafi yawan na'urorin marasa amfani. USB 2.0 Type Masu haɗi suna cikin jituwa tare da wadanda daga USB 3.0 da USB 1.1.
- USB Type B : Wadannan masu haɗin suna da ake kira ta USB 2.0 Standard-B kuma suna da fili sai dai ƙananan ƙira a saman. USB 2.0 Type B matosai suna cikin jiki jituwa tare da kebul 3.0 da USB 1.1 Type B ƙuƙuka amma USB 3.0 Type B matosai ba baya baya tare da USB 2.0 Type B ramuka.
- Kebul Micro-A: Wadannan masu haɗawa, musamman ma matosai, suna kama da sigogi na USB 2.0 Nau'in A haɗin. USB 2.0 Micro-A matosai suna jituwa tare da na'urorin USB 2.0 na Micro-AB da kebul na 3.0 na Micro-AB. Duk da haka, sabuwar na'ura ta USB 3.0 Micro-A ba zai dace da ɗakunan USB 2.0 Micro-AB ba.
- Kebul Micro-B: Waɗannan haɗin suna ƙananan kuma rectangular amma sassan biyu a gefe ɗaya suna ƙaddara maimakon square. Kebul na USB Micro-B matuka suna dacewa da rabi hudu: duka na USB 2.0 da kebul na 3.0 Micro-B da Micro-AB. Newer USB 3.0 Micro-B matosai ba su da baya baya tare da ko dai USB 2.0 Micro receptacle.
- USB Mini-A: Wadannan masu haɗin suna ƙananan kuma mafi yawa na rectangular tare da gefe ɗaya. USB 2.0 Mini-A matosai ne kawai jituwa tare da USB 2.0 Mini-AB receptacles.
- USB Mini-B: Waɗannan haɗin suna ƙananan kuma mafi yawa na rectangular tare da ƙwararrun ra'ayi a kan gungun tarnaƙi. USB 2.0 Mini-B matosai suna jituwa tare da USB 2.0 Mini-B da kuma USB 2.0 Mini-AB receptacles.
Note: Kawai USB 2.0 na goyon bayan USB Mini-A, USB Mini-B, da kuma USB Mini-AB haɗi.
Dubi shafukan mu na Kayan Kayan Kayan Kayan USB don shafi ɗaya-shafi na abin da ya dace-da-me.
Na'urar haɗin Intanet
Older USB 1.1 na'urori da igiyoyi ne, domin mafi part, jiki jituwa tare da USB 2.0 hardware. Duk da haka, hanya ɗaya da za ta kai ga USB 2.0 watsa gudu idan dukkan na'urori da igiyoyi suna haɗi da juna don tallafawa USB 2.0.
Idan, alal misali, kana da na'urar USB 2.0 wanda ke amfani da USB na USB 1.0, za a yi amfani da gudunmawar 1.0 ko da kuwa gaskiyar cewa na'urar tana goyan bayan USB 2.0 tun lokacin da wannan kebul ba ta goyi bayan sabon ba, sauri gudu.
Kebul na 2.0 na'urorin da igiyoyin da aka yi amfani da su da na'urori na USB 3.0 da igiyoyi, suna ɗaukan suna dacewar jiki, zasuyi aiki a ƙananan USB 2.0 gudun.
A wasu kalmomin, saurin watsawa ya sauko ga tsofaffin fasaha biyu. Wannan yana da mahimmanci tun da ba za ku iya cire USB 3.0 ba daga wani USB USB USB, kuma ba za ku iya samun karfin USB 2.0 ba da sauri ta amfani da kebul na USB 1.1.
USB On-the-Go (OTG)
An sake sakin Kebul na On-Go a watan Disamba 2006, bayan USB 2.0 amma kafin USB 3.0. USB OTG ba da damar na'urorin su canza tsakanin yin aiki a matsayin mai karɓa kuma a matsayin bawa idan ya cancanta don su iya haɗuwa da juna kai tsaye.
Alal misali, ƙwaƙwalwar USB 2.0 ko kwamfutar hannu zai iya cire bayanai daga kwamfutar tafi-da-gidanka a matsayin mai masauki amma sai canzawa zuwa yanayin bawa idan an haɗa ta zuwa kwamfuta don a iya karɓar bayanin daga gare ta.
Na'urar da ke samar da iko (mai watsa shiri) ana dauke da na'urar OTG A yayin da wanda ke cin wuta (bawan) an kira shi B-na'urar. Ayyukan bawa kamar yadda na'urar ta keɓaɓɓu a irin wannan saitin.
Ayyukan sauyawa sunyi ta yin amfani da Yarjejeniyar Taimako na Intanet (HNP), amma zaɓin zaɓin abin da kebul na USB 2.0 ya kamata a dauki bawa ko mai karɓa ta hanyar tsoho shi ne mai sauƙi kamar zaɓin wanda ƙarshen kebul ɗin ya haɗa shi.
Lokaci-lokaci, zaɓaɓɓen HNP zai gudana ta wurin mahalarta don sanin idan bawa yana neman zama masaukin, a cikin wannan hali za su iya shinge wurare. USB 3.0 tana amfani da HNP polling da kuma an kira Rôle Swap Protocol (RSP).