Mai kula USB Universal Serial Bus: bayanin da nadi na ma'ana kewaye

Universal Serial Bus USB - yana da quite rare PC dubawa. Yana za a iya amfani da su gama daban-daban na'urorin 127 a lokaci guda. Su tallafawa dangane aiki a kan / kashe na'urorin, tare da ba za mu kashe kwamfutar. Connectable na'urorin iya powered kai tsaye via kebul bas, kawar da buƙata domin ƙarin ikon kayayyaki. Yau muna magana game da wannan tsari, da mai kula Universal Serial Bus USB. Za mu bincika da manufar da a halin yanzu data kasance iri.

Me da bukatar wani mai kula Universal Serial USB motar?

Wadannan na'urori wani bangare ne na kwamfuta dandamali, samar da wani sakon da alaka da kebul-bas waje na'urorin. Mai kula USB Universal Serial Bus - mai fasaha da na'urar da za a iya sadarwa ba tare da faruwa ta hanyar da CPU, tare da kwamfuta ta memory a cikin hanyar samun yanayin. By irin hadewa, wadannan na'urori za a iya aiki a matsayin wani bangare na tsarin dabaru ko a matsayin mai raba guntu a matsayin motherboard kanta, da kuma a kan m (fadada katin). By Hanyar haɗa da masu kula Universal Serial Bus kebul na na'urorin bambanta a kan PCI bas da PCI bas Express.

Bayani dalla-dalla kuma iri na USB-rinjãya

Domin USB1.1 jaddadawa samar da iri biyu aiwatar da irin wannan na'urorin. Alal misali, ga USB1.0 kula, Intel ya ci gaba da kebul na serial bas na biyu iri - UHCI da OHCI. Su bambanci ta'allaka ne kawai a cikin Hanyar samun da rajista: rajista na farko da irin aka shirya a cikin sarari na gaskiya tsarin tashoshin jiragen ruwa, da alhakin shigar da fitarwa na bayanai, da kuma dabaru haihuwarka na biyu da irin ne a ƙwaƙwalwar sarari na sirri kwamfuta. Lura cewa USB mai kula da irin OHCI dauke mafi fasaha fiye da UHCI, tun iya saki da babban processor daga ciwon yi da na yau da kullum ayyuka hade tare da watsa bayanai kan USB busses. Dukansu masu kula ana amfani da 32-bit magance.

Domin USB2.0 mai kula tsara USB Universal Serial Bus irin EHCI, wanda shi ne iya tallafawa aikin a high gudun (480 Mbit / s). A da shi, godiya ga wata tsaga ma'amala da cewa tana goyon bayan low-gudun USB1.1 dubawa, wanda da matukar muhimmanci ga hankali da na'urorin.

Domin USB3.0 bukatar a duniya mai kula da irin XHCI. Shi ne iya tallafawa musayar bayanai a kowane gudun.

ƙarshe

Saboda haka, idan kaine wani tsohon kwamfuta da aka ba sanye take da kebul-tashoshin jiragen ruwa, kada ka damu: ta hanyar qananan gyare-gyare, za ka iya shigar da kebul-kula. Irin wannan na'urorin suna da za'ayi a cikin nau'i na wani fadada katin PCI-type ko PC-katunan ga kwamfyutocin. Wadannan masu kula suna samuwa tare da USB1.0 support 2.0 da kuma 3.0. Idan ka yanke shawarar kafa kanka daya daga wadannan na'urori, dakatar ka zabi a wani babban gudun, da kyau, da kudin ne kusan guda. Wani misali: idan ka PC goyon bayan USB-kawai version 1.0 ko 1.1, za ka iya saita mai kula don samar da version 3.0.