USB maamusha Universal Bus Serial: sharaxaad iyo naqshada Bannaanka macquul ah

USB Bus Serial Universal - waa interface PC arrin caan ah. Waxaa loo adeegsan karaa in lagu xiro qalabka kala duwan 127 mar. Waxay taageero shaqo la xidhiidha on / off ay hindiseen, oo aan u baahan in ay dami kombiyuutarka. qalabka Connectable waxaa laga yaabaa in si toos ah ku shaqeeya via baska USB, baabi'inta baahida loo qabo in sahay awood dheeraad ah. Maanta waxaan la hadal ku saabsan arrintan heshiis, xakamaysada universal USB baska serial. Waxaan baari doonaa ujeedada iyo noocyada hadda jira.

Waa maxay sababta loo baahan yahay baska USB ah xakamaysada universal serial?

qalabka Kuwani waa qeyb ka mid ah barnaamijka kombiyuutarka, bixinta fariin ku xiran qalabka dibadda USB-baska. USB maamusha Universal Bus Serial - waa qalab caqli in xiriiri karaa iyada oo maraya processor ka, xusuusta computer ee ah hab loo marayo. By nooc ka mid ah is-dhexgalka, qalabka la shaqeeya karaan oo qayb ka ah macquulka ah habka ama sida chip gaar ah sida motherboard laftiisa, iyo (card ballaarinta) fog. By habka of ilaaliyaal xira qalabka USB Bus Serial Universal ku kala duwan yihiin baska PCI iyo basaska PCI muuji.

Caddaymaha iyo noocyada kala duwan ee USB-ilaaliyaal

Waayo, USB1.1 faahfaahinta bixisaa laba nooc oo ah hirgelinta qalabka sida. Tusaale ahaan, waayo xakamaysada USB1.0 ah, Intel ayaa sameeyay USB bas serial ah laba nooc - UHCI iyo OHCI. Waxa ay ku kala duwan yihiin been oo keliya in habka ay u helaan in ay diiwaanka: diiwaanka nooca ugu horeysay ee loo qoondeeyey in meel bannaan oo wax dhis ah dekedaha nidaamka, ka mas'uul ah iyo wixii soo baxayey macluumaadka, iyo wareeggeedii macquulka ah nooca labaad waa in meel bannaan oo xasuusta kombiyuutarka shakhsi ah. Ogsoonow in nooca xakamaysada USB ah OHCI tixgeliyo ka maskax badan UHCI, tan iyo markii ay awoodaan in ay sii daayaan processor ugu weyn ka haysta si ay u qabtaan hawlaha caadiga ah ee la xidhiidha isu gudbinta xogta badan basaska USB. Labada ilaaliyaal waxaa loo isticmaalaa 32-bit ka qabashada.

Waayo, xakamaysada USB2.0 USB loogu talagalay EHCI universal nooca baska serial, kaasoo kara inuu taageero shaqada ee xawaaraha sare (480 Mbit / s). In waxa, ganacsi kala ah taageera-xawaaraha hooseeyo interface USB1.1, taas oo aad muhiim ugu ah qalabka gaabis mahad.

Waayo, USB3.0 baahan XHCI ah nooca xakamaysada universal. Waa inay awoodaan inay taageeraan is-dhaafsiga macluumaadka ee xawaaraha kasta.

gunaanad

Sidaas daraaddeed, haddii aad tahay qofka of computer duug ah laguma qalabaysan USB-dekedaha, ha ka welwelin, iyada oo loo marayo hab doorinta yar, waxaad ku rakibi kartaa USB-dirato. aaladaha noocan oo kale ah ayaa la fuliyaa qaab nooca PCI-kaarka ballaarinta ama PC-kaarka for laptops. ilaaliyaal waxaa laga heli karaa iyada oo taageero 2.0 iyo 3.0 USB1.0. Haddii aad go'aansatay in aad naftaada dhigay mid ka mid ah qalabka, joojiyaan aad doorato xawaare sare, wanaagga, kharashka ku dhawaad waa isku mid. Tusaale kale: haddii aad PC taageertaa USB-kaliya version 1.0 ama 1.1, ay kuu sameeyaan xakamaysada ah si ay u bixiyaan version 3.0.