选择MCP21XX器件的IrDA®应用

Withagrowingnumberofdeviceoptionswithinthe

MCP21XXfamily,thisTechnicalBriefservesasa

guideinhelpingtoselectthedeviceforyour

application.

AlloftheMCP21XXdevicesinterfacetotheHost

ControllerwithaUART.TheMCP2120andMCP2122

devicesuseonlytheTXandRXsignals.The

MCP215XandMCP2140devicesalsousetheTXand

RXsignals,aswellasupto6othernon-datasignals.

ForadditionalinformationonthisHostUARTinterface

fortheMCP215X(alsovalidfortheMCP2140),please

refertoApplicationNote858,“InterfacingThe

MCP215XtoaHostController“,DS00858.TB073SelectinganMCP21XXDeviceforIrDAApplicationsAuthor:MarkPalmerTable1comparessomeofthekeyfeaturesoftheMicrochipTechnologyInc.MCP2120andtheMCP2122,whileTable2comparessomeofthekeyfeaturesoftheMCP2140,MCP2150andtheMCP2155.INTRODUCTIONWithagrowingnumberofdeviceoptionswithintheWORKINGTHROUGHTHEDECISIONMCP21XXfamily,thisTechnicalBriefservesasaTREEguideinhelpingtoselectthedevicef