Datasheet

TAS5706A
TAS5706B
SLOS606D–MARCH2009–REVISEDSEPTEMBER2009............................................................................................................................................. www.ti.com
10.Thiscompletestheinitializationsequence.Fromthisstepon,nofurtherconstraintsareimposedonPDN,
MUTE,andclocks.
11.Duringnormaloperationtheusermaydothefollowing:
a.Writetothemasterorindividual-channelvolumeregisters.
b.Writetothesoft-muteregister.
c.Writetotheclockandserialdatainterfaceformatregisters(inmanualclockmodeonly).
d.Writetobit6ofregister0x05toenter/exitall-channelshutdown.Nootherbitsofregister0x05maybe
altered.Afterissuingtheall-channelshutdowncommand,nofurtherI
2
Ctransactionsthataddressthis
deviceareallowedforaperiodofatleast:1ms+1.3×(periodspecifiedinstart/stopregister0x1A).
e.PDNmaybeasserted(low)atanytime.OncePDNisasserted,noI
2
Ctransactionsthataddressthis
devicemaybeissueduntilPDNhasbeendeassertedandtheparthasreturnedtoactivemode.
NOTE:Whenthedeviceisinapowereddownstate(initiatedviaPDN),thepartisnotresetifRESET
isasserted.
NOTE:OnceRESETisasserted,andaslongasthepartisinaresetstate,thepartdoesnotpower
downifPDNisasserted.Forpoweringthepartdown,anegativeedgeonPDNmustbeissuedwhen
RESETishighandthepartisnotinaresetstate.
NOTE:NoregistersbesidesthoseexplicitlylistedinStepsa.–d.shouldbealteredduringnormal
operation(i.e.,afterexitingall-channelshutdown).
NOTE:Noregistersshouldbereadduringnormaloperation(i.e.,afterexitingall-channelshutdown).
12.Toreconfigureregisters:
a.Returntoall-channelshutdown(observetheshutdownwaittimeasspecifiedinStep11.d.).
b.DrivePDN=1,andholdMUTEstable.
c.ProvideastableMCLK,LRCLK,andSCLK.
d.Repeatconfigurationstartingfromstep(6).
Table2.SerialControlInterfaceRegisterSummary
(1)
NO.OFINITIALIZATION
SUBADDRESSREGISTERNAMECONTENTS
BYTESVALUE
Auindicatesunusedbits.
0x00Clockcontrolregister1Descriptionshowninsubsequentsection0x6C
0x01DeviceIDregister1Descriptionshowninsubsequentsection0x2A
0x02Errorstatusregister1Descriptionshowninsubsequentsection0x00
0x03Systemcontrolregister11Descriptionshowninsubsequentsection0xA0
0x04Serialdatainterface1Descriptionshowninsubsequentsection0x05
register
0x05Systemcontrolregister21Descriptionshowninsubsequentsection0x40
0x06Softmuteregister1Descriptionshowninsubsequentsection0x00
0x07Mastervolume1Descriptionshowninsubsequentsection0xFF(mute)
0x08Channel1vol1Descriptionshowninsubsequentsection0x30(0dB)
0x09Channel2vol1Descriptionshowninsubsequentsection0x30(0dB)
0x0AChannel3vol1Descriptionshowninsubsequentsection0x30(0dB)
0x0BChannel4vol1Descriptionshowninsubsequentsection0x30(0dB)
0x0CHPvolume1Descriptionshowninsubsequentsection0x30(0dB)
0x0DChannel6vol1Descriptionshowninsubsequentsection0x30(0dB)
0x0EVolumeconfiguration1Descriptionshowninsubsequentsection0x91
register
0x0F1Reserved
(2)
0x10Modulationlimitregister1Descriptionshowninsubsequentsection0x02
0x11ICdelaychannel11Descriptionshowninsubsequentsection0x4C
(1)BiquaddefinitionisgiveninFigure47.
(2)Reservedregistersshouldnotbeaccessed.
40SubmitDocumentationFeedbackCopyright©2009,TexasInstrumentsIncorporated
ProductFolderLink(s):TAS5706ATAS5706B
TAS5706A is Not Recommended for New Designs