eMMC (Embedded Multi Media Card)yana ɗaukar ƙaƙƙarfan ƙa'idar MMC mai haɗin kai, kuma yana ɗaukar nauyin NAND Flash mai girma da Mai sarrafa MMC a cikin guntu BGA.Dangane da halayen Flash, samfurin ya haɗa da fasahar sarrafa Flash, gami da gano kurakurai da gyarawa, matsakaicin gogewa da rubutu, munanan tsarin toshewa, kariya ta ƙasa da sauran fasahohi.Masu amfani ba sa buƙatar damuwa game da canje-canje a cikin aikin wafer walƙiya da aiki a cikin samfurin.A lokaci guda, guntu guda eMMC tana adana ƙarin sarari a cikin motherboard.
A taƙaice, eMMC=Nand Flash+controller+daidaitaccen fakitin
Ana nuna gabaɗayan gine-gine na eMMC a hoto mai zuwa:
eMMC yana haɗa mai sarrafa Flash a cikinsa don kammala ayyuka kamar gogewa da rubuta daidaitawa, sarrafa toshe mara kyau, da tabbatarwar ECC, yana barin ɓangaren Mai watsa shiri ya mai da hankali kan sabis na babban Layer, yana kawar da buƙatar aiki na musamman na NAND Flash.
eMMC yana da fa'idodi masu zuwa:
1. Sauƙaƙe ƙirar ƙwaƙwalwar ajiyar samfuran wayar hannu.
2. Saurin sabuntawa yana da sauri.
3. Haɓaka haɓaka samfura.
eMMC misali
JEDD-JESD84-A441, wanda aka buga a watan Yuni 2011: v4.5 kamar yadda aka ayyana a cikin MultiMediaCard Embedded (e•MMC) Matsayin Samfura v4.5.JEDEC kuma ta saki JESD84-B45: Katin Multimedia Embedded e•MMC), ma'aunin lantarki don eMMC v4.5 (na'urorin 4.5) a cikin Yuni 2011. A cikin Fabrairu 2015, JEDEC ta fitar da sigar 5.1 na ma'aunin eMMC.
Yawancin wayoyin hannu na yau da kullun suna amfani da eMMC5.1 flash memory tare da ƙayyadaddun bandwidth na 600M/s.Matsakaicin saurin karantawa shine 250M/s, kuma saurin rubuta jeri shine 125M/s.
Sabuwar ƙarni na UFS
UFS: Universal Flash Storage, za mu iya daukarsa a matsayin ci-gaba siga na eMMC, wanda shi ne array ajiya module hada da mahara flash memory kwakwalwan kwamfuta, master iko, da cache.UFS tana yin la'akari da cewa eMMC kawai ke goyan bayan aikin rabin duplex (karantawa da rubutu dole ne a yi su daban), kuma suna iya cimma cikakken aikin duplex, don haka ana iya ninka aikin.
An raba UFS zuwa UFS 2.0 da UFS 2.1 a baya, kuma matakan da suka wajaba don karantawa da rubuta saurin su ne HS-G2 (Mai girma GEAR2), kuma HS-G3 zaɓi ne.Saitunan ma'auni guda biyu na iya aiki a cikin yanayin 1Lane (tashar guda ɗaya) ko 2Lane (tashar biyu).Nawa saurin karantawa da rubutawa wayar hannu za ta iya cimma ya dogara ne akan ma'aunin ƙwaƙwalwar walƙiya ta UFS da adadin tashoshi, da kuma ikon sarrafa na'ura na amfani da UFS flash memory.Taimakon mu'amalar bas.
UFS 3.0 yana gabatar da ƙayyadaddun HS-G4, kuma bandwidth na tashar tashoshi ɗaya yana ƙaruwa zuwa 11.6Gbps, wanda shine sau biyu aikin HS-G3 (UFS 2.1).Tunda UFS tana goyan bayan karantawa da rubutu bidirectional-tashar, bandwidth na UFS 3.0 na iya kaiwa zuwa 23.2Gbps, wanda shine 2.9GB/s.Bugu da ƙari, UFS 3.0 yana goyan bayan ƙarin ɓangarori (UFS 2.1 shine 8), yana haɓaka aikin gyara kuskure kuma yana goyan bayan sabon NAND Flash flash media.
Don saduwa da buƙatun na'urorin 5G, UFS 3.1 yana da saurin rubutu sau 3 na ƙarni na baya-bayan nan na ajiyar walƙiya na gaba ɗaya.Matsakaicin megabytes 1,200 na tuƙi a cikin daƙiƙa guda (MB/s) yana haɓaka babban aiki kuma yana taimakawa hana buffer yayin zazzage fayiloli, yana ba ku damar jin daɗin ƙarancin latency na 5G a cikin duniyar da aka haɗa.
Rubuta gudu har zuwa 1,200MB/s (Rubutun gudu na iya bambanta da iya aiki: 128 gigabytes (GB) har zuwa 850MB/s, 256GB da 512GB har zuwa 1,200MB/s).
Hakanan ana amfani da UFS a cikin faifan U faifai mai ƙarfi, 2.5 SATA SSD, Msata SSD da sauran samfuran, UFS yana maye gurbin NAND Flash don amfani.
Lokacin aikawa: Mayu-20-2022
