NorFlash??NandFlash??eMMC???????
?????洢???????Flash Memory??????????????????????????洢???????????????????б???β???д??洢??????????????????????????洢???????????????????????佻????????????索?濨??U????????????????洢?????????????????????, ??????????????????
???????????????и???????????????Щ???????????汻????豸?????????????滹?????????????????????濨???????????????????????????????????????????д???????????????????????
NorFlash
NOR Flash???????????????д??????????????????????????????????????????洢??????κ??????????????????????????ROMо??????ROMо?????????洢???????????????????????BIOS??????(Set-top Box)??????NOR Flash??????????????????д???????????????????????????洢?????????CompactFlash??????????NOR Flash???????????????????????????? NAND Flash??
NandFlash
NAND Flash??????1989??????????·?????(ISSCC)???????? ???NandFlash?????д????????????????·??????NAND Flash???н????д???, ????????洢???????????С??????NAND Flash?????NOR Flash???н???洢???????????????????????????????????NOR Flash????????NAND Flash ??I/O???????????????????????????????????????????ж????NAND Flash??????????С????????????????
?????????????????????????????????????????????NAND Flash??????????Щ???????????ROM?????????????????NAND Flash?????????????????μ??洢?豸??NAND Flash????????????濨????????洢?豸???????????NAND Flash?????????????洢?????SmartMedia?????????洢???????????NAND Flash??????MultiMediaCard??Secure Digital??Memory Stick??xD????
eMMC
eMMC (Embedded Multi Media Card) ?MMCЭ???????????eMMC ???? NandFlash+????IC ?????????Э????SD??TF????????????????????????????????????洢????????eMMC????????????????????м??????????????????????????????????棬???????????????????????????????????????????г??????????????Щ??????????????С?????????????NAND????????????????????
eMMC??????????洢???????????????MMC??????忨???????????洢???豸??Nand Flash?????????????????ж??????С???BGA ????????????????52MBytes??eMMC???п??????????????????????????????? 1.8v ?????? 3.3v??
????admin ?????????2019-09-04
