Datasheet

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Interface#1
Interface#2
Interface#3
PCM2900
PCM2902
SLES035E–MARCH2007–REVISEDMARCH2008
in1-dBsteps.Changesaremadebyincrementingordecrementingbyonestep(1dB)forevery1/f
S
timeinterval
untilthevolumelevelhasreachedtherequestedvalue.Eachchannelcanbesetfordifferentvalues.Themaster
volumecontrolisnotsupported.Arequesttothemastervolumeisstalledandignored.Thebuilt-indigitalmute
controllercanbemanipulatedbyaudioclassspecificrequest.Amastermutecontrolrequestisacceptable.A
requesttoanindividualchannelisstalledandignored.
Interface#1istheaudiostreamingdata-outinterface.Interface#1hasthefollowingsevenalternativesettings.
Alternativesetting#0isthezerobandwidthsetting.Allotheralternativesettingsareoperationalsettings.
ALTERNATIVETRANSFERSAMPLINGRATE
DATAFORMAT
SETTINGMODE(kHz)
00ZeroBandwidth
0116bitStereo2scomplement(PCM)Adaptive32,44.1,48
0216bitMono2scomplement(PCM)Adaptive32,44.1,48
038bitStereo2scomplement(PCM)Adaptive32,44.1,48
048bitMono2scomplement(PCM)Adaptive32,44.1,48
058bitStereoOffsetbinary(PCM8)Adaptive32,44.1,48
068bitMonoOffsetbinary(PCM8)Adaptive32,44.1,48
Interface#2istheaudiostreamingdata-intheinterface.Interface#2hasthefollowing19alternativesettings.
Alternativesetting#0isthezerobandwidthsetting.Allotheralternativesettingsareoperationalsettings.
ALTERNATIVETRANSFERSAMPLINGRATE
DATAFORMAT
SETTINGMODE(kHz)
00ZeroBandwidth
0116bitStereo2scomplement(PCM)Asynchronous48
0216bitMono2scomplement(PCM)Asynchronous48
0316bitStereo2scomplement(PCM)Asynchronous44.1
0416bitMono2scomplement(PCM)Asynchronous44.1
0516bitStereo2scomplement(PCM)Asynchronous32
0616bitMono2scomplement(PCM)Asynchronous32
0716bitStereo2scomplement(PCM)Asynchronous22.05
0816bitMono2scomplement(PCM)Asynchronous22.05
0916bitStereo2scomplement(PCM)Asynchronous16
0A16bitMono2scomplement(PCM)Asynchronous16
0B8bitStereo2scomplement(PCM)Asynchronous16
0C8bitMono2scomplement(PCM)Asynchronous16
0D8bitStereo2scomplement(PCM)Asynchronous8
0E8bitMono2scomplement(PCM)Asynchronous8
0F16bitStereo2scomplement(PCM)Synchronous11.025
1016bitMono2scomplement(PCM)Synchronous11.025
118bitStereo2scomplement(PCM)Synchronous11.025
128bitMono2scomplement(PCM)Synchronous11.025
Interface#3istheinterruptdata-ininterface.Alternativesetting#0istheonlypossiblesettingforinterface#3.
Interface#3constructstheHIDconsumercontroldeviceandreportsthefollowingthreekeystatuses.
•Mute(0xE209)
•Volumeup(0xE909)
•Volumedown(0xEA09)
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ProductFolderLink(s):PCM2900PCM2902
Not Recommended for New Designs