TAS5518C
8-ChannelDigitalAudioPWMProcessor
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SLES238A–SEPTEMBER2008–REVISEDJULY2009
3.2.2PowerDown(PDN).............................................................................................44
3.2.3Back-EndError(BKND_ERR).................................................................................44
3.2.3.1BKND_ERRandVALID..............................................................................45
3.2.4Speaker/HeadphoneSelector(HP_SEL).....................................................................45
3.2.5Mute(MUTE).....................................................................................................45
3.3DeviceConfigurationControls............................................................................................46
3.3.1ChannelConfigurationRegisters..............................................................................46
3.3.2HeadphoneConfigurationRegisters..........................................................................47
3.3.3AudioSystemConfigurations..................................................................................47
3.3.3.1UsingLineOutputsin6-ChannelConfigurations.................................................48
3.3.4RecoveryfromClockError.....................................................................................48
3.3.5Power-SupplyVolume-ControlEnable.......................................................................48
3.3.6VolumeandMuteUpdateRate................................................................................48
3.3.7ModulationIndexLimit..........................................................................................48
3.4MasterClockandSerialDataRateControls...........................................................................49
3.4.1PLLOperation....................................................................................................49
3.5BankControls...............................................................................................................49
3.5.1ManualBankSelection.........................................................................................50
3.5.2AutomaticBankSelection......................................................................................50
3.5.2.1CoefficientWriteOperationsWhileAutomaticBankSwitchIsEnabled.......................50
3.5.3BankSet..........................................................................................................50
3.5.4Bank-SwitchTimeline...........................................................................................51
3.5.5Bank-SwitchingExample1.....................................................................................51
3.5.6Bank-SwitchingExample2.....................................................................................51
4ElectricalSpecifications......................................................................................................52
4.1AbsoluteMaximumRatings...............................................................................................52
4.1.1DissipationRatingTable(High-kBoard,105° CJunction).................................................52
4.2DynamicPerformance.........................................................................................52
4.3RecommendedOperatingConditions........................................................................53
4.4ElectricalCharacteristics.......................................................................................53
4.5PWMOperation..................................................................................................53
4.6SwitchingCharacteristics.......................................................................................54
4.6.1ClockSignals.....................................................................................................54
4.6.2SerialAudioPort.................................................................................................54
4.6.3I
2
CSerialControlPortOperation..............................................................................55
4.6.4ResetTiming(RESET).........................................................................................57
4.6.5Power-Down(PDN)Timing....................................................................................57
4.6.6Back-EndError(BKND_ERR).................................................................................58
4.6.7MuteTiming(MUTE)............................................................................................58
4.6.8HeadphoneSelect(HP_SEL)..................................................................................59
4.6.9VolumeControl..................................................................................................59
4.7SerialAudioInterfaceControlandTiming...................................................................60
4.7.1I
2
STiming........................................................................................................60
4.7.2Left-JustifiedTiming.............................................................................................61
4.7.3Right-JustifiedTiming...........................................................................................62
5I
2
CSerial-ControlInterface(SlaveAddresses0x36and0x37)..................................................63
5.1GeneralI
2
COperation.....................................................................................................63
5.2Single-andMultiple-ByteTransfers.....................................................................................64
5.3Single-ByteWrite...........................................................................................................64
5.4Multiple-ByteWrite.........................................................................................................65
5.5IncrementalMultiple-ByteWrite..........................................................................................65
5.6Single-ByteRead...........................................................................................................66
Contents3
Not Recommended For New Designs
