串行EEPROM的基本操作

Lookingfortheoptimumnon-volatilememoryproduct

foryoursystemthatrequiresasmallfootprint,bytelevel

flexibility,lowpower,andishighlycosteffective?Serial

EEPROMtechnologyisoneofthenon-volatilememory

technologiesthathasemergedasaleadingembedded

controlsolution.Unfortunately,mostsystemdesigners

arenotawareoftheserialEEPROMbenefits.Also,the

supportingdocumentationindatabooksismostoften

notadequateduetoincompleteorambiguousinforma-

tion.Asaresult,thesystemdesigneroftenselectsa

non-volatilesolutionthatdoesnotmeethisrequire-

ments,or,thedesignermustfaceamorecomplicated

design-inwithaserialEEPROM.

Thisarticleaddressestwoissuesthatexisttodayfor

designersconsideringserialEEPROMproducts:

First,toprovideawarenessoftheapplicationbenefits.

Secondly,toprovideaprimerontheoperatingprin-

ciplesandinstructions.Theseitemsareoftenburiedin

databooktextornotadequatelyaddressed.Alsoin-

cludedarecommondefaultconditionstosignificantly

reducethesystemdesigner’slearningcurve.BasicSerialEEPROMOperationAN536BasicSerialEEPROMOperationBASICSERIALEEPROMOPERATIONThecommonapplicationsforSerialEEPROMSareshownbelow:Lookingfortheoptimumnon-volatilememoryproductMarketCommonApplicationsforyoursystemthatrequiresasmallfootprint,bytelevelflexibility,lowpower,andishighlycosteffective?SerialConsumerTVtuners,VCRs,CDplayers,cam-EEPROM