Theprimaryfunctionofwirelesscommunicationprotocol
istotransmitand/orreceiveinformationbetweentwo
nodes.TheMediaAccessController(MAC)layer
providesthebasicchannelaccess,addressinganddata
transmission/receivingfunctionalities,ontopofthe
Physical(PHY)layerthathandlesrawdata.Inthe
standardOpenSystemsInterconnection(OSI)model,it
servesastheDataLinkLayer(DLL).Becauseofthe
widevarietyofpossibleimplementationsinthePHY
layer,theMACisthelowestpossiblelayerto
standardizeinthesoftwareforcommunicationprotocols.
ThisapplicationnotedefinestheMicrochipMAClayer,
MiMAC,forcommunicationprotocolsandtransceivers
supportedbyMicrochipforshort-range,lowdatarate
andlow-powerwirelessapplications.
ImplementingMiMACbenefitswirelessapplication
developersinmultipleways:
•Traditionally,wirelesscommunicationprotocol
stacksarecomplicatedtoimplementanddifficult
touse.WiththenewdefinitionofMiMAC,itis
possibletomaketheprotocolstackavailablefor
widelydifferentRFtransceivers.AN1283MicrochipWireless(MiWi)MediaAccessController
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