所需E币: 4
时间: 2019-12-24 19:14
大小: 86.32KB
Therearemanydifferentmicrocontrollersonthemarkettodaythatarebeingusedinembeddedcontrolapplications.Manyoftheseembeddedcontrolsystemsneednon-volatilememory.Becauseoftheirsmallfootprint,bytelevelflexibility,lowI/Opinrequirement,lowpowerconsumptionandlowcost,SerialEEPROMsareapopularchoicefornon-volatilestorage.MicrochipTechnologyIncorporatedaddressesthisneedbyofferingafulllineofSerialEEPROMscoveringindustrystandardserialcommunicationprotocolsfor2-wireand3-wirecommunication.Thetheory,operationanddifferencesofthesetwoprotocolsarediscussedindetailinMicrochip’sapplicationnoteAN536.ThereadershouldrefertoAN536ifunfamiliarwith2-wireand/or3-wirecommunicationprotocols.SerialEEPROMdevicesareavailableinavarietyofdensities,operationalvoltagerangesandpackagingoptions.AN609InterfacingMicrochipSerialEEPROMstoMotorola68HC11MicrocontrollerForMicrochip2-wiredevices(24CXXA,24LCXX,Author:KeithPazul24LCXXB,24AAXXdevices,excluding24XX32andMemoryandASSPDivision24XX65devices),therearethreeprogramstoperformsomeofthebasiccommunicationfunctions.SRDMT2W.ASM-2-WireSequentialReadINTRODUCTION……