InterfacingaserialEEPROMtoacontrollercanbea
confusingtask,especiallyforfirsttimeusers.Because
communicationwithaparallelmemorydeviceismore
straightforward,theadvantagesofserialdevicesare
sometimesoverlookedbecauseofthetimerequiredto
learnadifferentprotocol.Inordertominimizethistime,
Microchipprovidesmanyapplicationnotesonhowto
interfaceacontrollertoourserialmemoryproducts.
Sinceeveryapplicationisdifferent,questionsondiffer-entaspectsofserialmemoriesstillarise.Thisapplica-tionnoteprovidesanswerstosomeofthesecommonly
askedquestionsonusingserialEEPROMs.Thisseries
ofquestionsandanswerscoversabroadrangeoftopics
concerningboth2-wireand3-wireserialEEPROMS,
andcoversmaterialand/orcircumstancesthatmaynot
beprovidedinthedatabook.QuestionsandAnswersConcerningSerialEEPROMsAN572QuestionsandAnswersConcerningSerialEEPROMsInterfacingaserialEEPROMtoacontrollercanbeaQ:I’musinganinterruptroutineinmycontrollercodeconfusingtask,especiallyforfirsttimeusers.BecausethatmayleavetheserialEEPROMinthemiddleofcommunicationwithaparallelmemorydeviceismoreareadcommand.WhenIreturnfromtheinterrupt,straightforward,theadvantagesofserialdevicesareisthereanywaytoresettheparttomakesureitissometimesoverlookedbecauseofthetimerequiredtoinaknownstate
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