Umgaqo kunye nobubanzi beemveliso ze-EMMC kunye ne-UFS

i-EMMCyamkela ujongano olusemgangathweni oludityanisiweyo lwe-MMC, kwaye lugqume uxinaniso oluphezulu lwe-NAND Flash kunye noMlawuli we-MMC kwitshiphu ye-BGA.Ngokweempawu zeFlash, imveliso ibandakanye itekhnoloji yokulawula iFlash, kubandakanywa ukufunyanwa kwempazamo kunye nokulungiswa, ukucima okuphakathi kunye nokubhala, ukulawulwa kakubi kwebhloko, ukukhuselwa kwamandla kunye nobunye ubuchwepheshe.Abasebenzisi akufuneki bakhathazeke malunga notshintsho kwinkqubo ye-flash wafer kunye nenkqubo ngaphakathi kwemveliso.Kwangaxeshanye, i-chip eyodwa ye-EMMC igcina indawo eninzi ngaphakathi kwebhodi yomama.

Ukubeka nje ngokulula, eMMC=Nand Flash+controller+standard package

Uyilo lonke lwe-eMMC luboniswe kulo mfanekiso ulandelayo:

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I-eMMC idibanisa i-Flash Controller ngaphakathi kwayo ukugqiba imisebenzi efana nokucima nokubhala ukulingana, ulawulo olubi lwebhloko, kunye nokuqinisekiswa kwe-ECC, ivumela i-Host side ukuba igxininise kwiinkonzo eziphezulu eziphezulu, ukuphelisa imfuno ekhethekileyo ye-NAND Flash.

I-EMMC inezi zibonelelo zilandelayo:

1. Lula uyilo lwenkumbulo yeemveliso zefowuni ephathwayo.
2. Isantya sohlaziyo sikhawuleza.
3. Ukukhawulezisa uphuhliso lwemveliso.

umgangatho we-EMMC

JEDD-JESD84-A441, eyapapashwa ngoJuni 2011: v4.5 njengoko kuchaziwe kwi-Embedded MultiMediaCard (e•MMC) uMgangatho weMveliso v4.5.I-JEDEC iphinde yakhupha i-JESD84-B45: i-Embedded Multimedia Card e•MMC), umgangatho wombane we-EMMC v4.5 (uhlobo lwezixhobo ze-4.5) ngoJuni 2011. NgoFebruwari 2015, i-JEDEC yakhupha inguqulo 5.1 yomgangatho we-eMMC.

Uninzi lweefowuni eziphathwayo eziphakathi kuluhlu oluphakathi zisebenzisa i-EMMC5.1 imemori ye-flash ene-bandwidth yethiyori ye-600M / s.Isantya sokufunda ngokulandelelana yi-250M/s, kwaye isantya sokubhala ngokulandelelana yi-125M/s.

Isizukulwana esitsha se-UFS

I-UFS: UGcino lweFlash olubanzi, sinokuluthatha njengoguqulelo oluphambili lwe-eMMC, oluyimodyuli yoluhlu yokugcina equlunqwe ngeechips ezininzi zememori ekhanyayo, ulawulo oluphambili, kunye ne-cache.I-UFS yenza i-defect ukuba i-EMMC isekela kuphela i-half-duplex operation (ukufunda nokubhala kufuneka kwenziwe ngokwahlukileyo), kwaye inokufikelela kwi-full-duplex operation, ngoko ukusebenza kunokuphindwa kabini.

I-UFS yahlulwe yaba yi-UFS 2.0 kunye ne-UFS 2.1 ngaphambili, kwaye imigangatho yabo enyanzelekileyo yokufunda nokubhala isantya yi-HS-G2 (i-High speed GEAR2), kunye ne-HS-G3 yokuzikhethela.Iisethi ezimbini zemigangatho zinokusebenza kwi-1Lane (i-channel-single) okanye i-2Lane (i-double-channel).Ingakanani isantya sokufunda nokubhala esinokufikelela kwifowuni ephathwayo sixhomekeke kumgangatho wememori ye-UFS kunye nenani leetshaneli, kunye nekhono lomprosesa lokusebenzisa imemori ye-UFS flash.Inkxaso yojongano lwebhasi.

I-UFS 3.0 yazisa ukucaciswa kwe-HS-G4, kwaye i-bandwidth ye-channel-channel inyuswe ukuya kwi-11.6Gbps, ephindwe kabini ukusebenza kwe-HS-G3 (UFS 2.1).Ekubeni i-UFS ixhasa i-double-channel bidirectional read and write, i-interface bandwidth ye-UFS 3.0 inokufikelela kwi-23.2Gbps, eyi-2.9GB/s.Ukongeza, i-UFS 3.0 ixhasa izahlulelo ezininzi (i-UFS 2.1 yi-8), iphucula ukusebenza kokulungiswa kwempazamo kwaye ixhasa imidiya entsha ye-NAND Flash flash.

Ukuhlangabezana neemfuno zezixhobo ze-5G, i-UFS 3.1 inamaxesha e-3 isantya sokubhala kwisizukulwana sangaphambili sokugcinwa kwe-flash injongo jikelele.I-drive's 1,200 megabytes ngesekhondi (MB / s) isantya sonyusa ukusebenza okuphezulu kwaye inceda ukunqanda ukuphazamisa ngelixa ukhuphela iifayile, kukuvumela ukuba ukonwabele uqhagamshelo lwe-latency ephantsi ye-5G kwihlabathi eliqhagamshelweyo.

Izantya zokubhala ukuya kuthi ga kwi-1,200MB/s (izantya zokubhala zinokwahluka ngokomthamo: 128 gigabytes (GB) ukuya kuthi ga kwi-850MB/s, 256GB kunye ne-512GB ukuya kuthi ga kwi-1,200MB/s).

I-UFS ikwasetyenziswa kwi-slid-state U disk, 2.5 SATA SSD, Msata SSD kunye nezinye iimveliso, i-UFS ithatha indawo ye-NAND Flash ukuze isetyenziswe.

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Ixesha lokuposa: May-20-2022