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6.8.1ControlRegister1Tab
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KitOperation
Figure6.DeviceControlsTab
TheTransferModecontrolletstheuserselectbetweencontinuousdatatransfermodeorprogramming
mode.Inthecontinuousdatatransfermode,onlyaudiodataissentandreceivedthroughtheserialaudio
bus.Intheprogrammingmode,controldataissentandreceivedthroughtheserialaudiobus.TheData
FormatMode,ifsetto15bits+1,allowsthecodectorunincontinuousmodeandswitchto
programmingmodebysettingtheLSBofDINto1tosendcontroldata.TheUSB-MODEVMAudio
InterfaceConfigurationcurrentlysupportscontinuousand16-bitsaudiodatatransfers.TheMicBiassets
thevoltageoftheBIASpinto2.35Vor1.35V.TheSelectedFilterbuttonallowstheusertoselect
betweenanFIRfilteroranIIRfilterforthedecimation/interpolationlow-passfilter.TheLoopback
switchestoggletheanalogordigitalloopbackonandoff.Theindicatorbeloweachswitchwilllightwhen
ononlyiftheregisterdatasentbypressingtheProgramDevicebuttonisacknowledged.
SLAU229B–October2007–RevisedAugust2008TLV320AIC12KEVMB-KandTLV320AIC14KEVMB-KUser'sGuide15
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