OTP语音芯片资料

LXB20isa20SecEasyUseSpeechIC.ItSupportPWMorDACvoiceoutputwithhighqualityspeech,Thereare20secondVoiceLengthunder6KHzsamplingand4bithardwarecompression.Itsinternalbuilt-inaoscillatorforsystemclockwithoutanexternalresistor.Maximum63voicegroups.OneGroupcontainseveralsteps(voicesection);Maximum700stepsforalltheGroups.EachStepcanbedefineTriggerMode,OutputStatus,VoiceSection,Mutelength,I/OType&SimpleProgrammingFunction.Usercanselect8bit/5bit/4bitdatacompression.SupportthreemodetriggerIC(StandAlone,SerialTriggerMode,CPUCommandMode).Easyusedevelopmentsystemisforfunctionselectionandvoicecombination.PCdownloadtheROMcodebytheUSBPort.Step:700Signalstepmutelength:0.64s(6ksamplerate)OperatingVoltagerange:2.4V~3.6VTotalVoiceDuration:20”(120Kes)I/OSamplpin:4Voiceoutput:PWMorDACSequentialKey:TG1->32Groups.TG2->29Groups.TG3,TG4->1GroupDebouncetime:50usor10msOn/Offfunction:onlyforallTGPINSequentialKeyforVolumecontrolfunction.StepcanchangeTriggerI/OType,TriggerMode&OutputStatus.HardwareTriggerGroupRepeatfunction.SimpleProgrammingFunction:LXB20●ThreeModeTriggerIC:KeyStand-aloneTriggerMode:A.Edge/LevelB.Hold/UnholdC.Retrigger/IrretriggerSerialTriggerMode:CombinationsofTG1andTG2totriggermaximum63VoiceGroup.-CPUCommandMode:UsercommandthroughTG1,TG2,TG3&TG4withserialCPUInterfacetocontroltheMulti-Playbackfunction.Outputstatus(foreachOutputpin):A.StandbyStatus.(High/LowStatus)B.BusyLowActive.C.BusyHighActive.D.LEDFlashat6Hz.E.LEDFlashat3Hz.F.LEDFlashat1.5Hz.G.LEDFlashat0.75Hz.H.PWMforLEDDimmingControl.Playratelevel:TG020canprovidedifferentplayrateinonecodeasfollowbelowReferenceSampleRate.3K,3.2K,3.31K,3.42K,3.55K,3.69K,3.84K,4K,4.17K,4.36K,4.57K,4.8K,5.05K,5.33K,5.64K,6K,6.4K,6.85K,7.38K,8K,8.72K,9.6K,10.66K,12K,13.71K,16K,19.2K,24K.TG2LowResetLXB20PadLocationCHIPSIZE:(0,0)(1734,715)UMNO.12345X-777-777-605-520256Y-184-270-267-267-271NO.6789X440793796793Y-266-288-204-119PADNAMEPADNAMETG2/RSTBTG1TG3TG4VSSVSSPWM1VDDPWM2/DACLXB20PINDescriptionsPINNAMEI/OINPUTFunctionKeyStand-aloneTriggerMode:TG1isusedtotriggerthemaximum32VoiceGrouponebyonesequentially.SerialTriggerMode:TG1isusedtotriggerthemaximum64VoiceGroup.CPUCommandMode:TG1isusedasDataInputPin(CS).KeyStand-aloneTriggerMode:TG2isusedtotriggerthemaximum21VoiceGrouponebyonesequentially.SerialTriggerMode:TG2isusedtotriggerthemaximum64VoiceGroupCPUCommandMode:TG2isusedasClockPin(CLK).KeyStand-aloneTriggerMode:TG11isusedtriggerOnlyOneGroup.CPUCommandMode:TG11isusedasDataInputPin(DIO1).KeyStand-aloneTriggerMode:TG4isusedtriggerOnlyOneGroup.CPUCommandMode.TG4isusedasSelectedPin(DIO2).AsaDACPIN,8bitD/ACurrentOutput.PowerSupplyPIN,@2.4~3.6VWorkingVoltage.LXB20TG2LowResetLXB20ApplicationCircuit3VStand-aloneModeVDD@2.4V~3.6VSpeakerLXB203VSerialModeVDD@2.4V~3.6VFig.3Fig.4LXB203VCPUModeVDD@2.4V~3.6VLXB20LXB20TriggerTimingTriggerPulseWidth<GroupLengthOptionSetting=Edge/UnholdTriggerPulseWidth<GroupLengthOptionSetting=Edge/HoldTriggerPulseWidth<GroupLengthOptionSetting=Level/UnholdTriggerPulseWidth<GroupLengthOptionSetting=Level/HoldTriggerPulseWidth>GroupLengthOptionSetting=Edge/UnholdTriggerPulseWidth>GroupLengthOptionSeeting=Edge/Hold(g)TriggerPulseWidth>GroupLengthOptionSetting=Level/UnholdOptionSetting=RetriggerLXB20(j)OptionSetting=Irretrigger7/26/2010LXB20LXB20TriggerVoiceCombinationExampleVoiceFileVoiceFileAVoiceFileBVoiceFileCVoiceFileDVoiceFileEDescriptionHello(1.5”)GoodMorning(3”)John(1”)Tom(1”)Mary(1.5”)Group1=Step1+Step2Group2=Step3+Step4+Step5Group3=Step6+Step7Group1=HelloJohnGroup2=HelloTomGoodMorningGroup3=GoodMorningMaryStep1=VoiceFileAStep2=VoiceFileCStep3=VoiceFileAStep4=VoiceFileDStep5=VoiceFileBStep6=VoiceFileBStep7=VoiceFileETotaluse3Group,7StepsVoiceduration=Hello+GoodMorning+John+Tom+Mary1.5”+3”+1”+1”+1.5”8”Totalduration=8”-8(”20=32””spacearefree,canaddmoreVoiceFile)PWMDACLXB20LXB20CPUModeTimingCommandPINHEXDIO1A5hDIO205hDIO181hDIO205hDIO183hDIO202hDIO183hDIO207hDIO105hDIO207h[7][6][5][4][3][2][1][0]DescriptionWakeupthechipSTARTENDRESETPAUSERESUME10101010000000000000100000000000000000000000000000110100111100001101011111111111PowerdownthechipintostandbystatusStopthePlaybackandwaitanewcommandPausethePlaybackandholdattheVoicedataResumePlaybackfromthepreviousVoicedataPlayAddressCommandisgeneratedbytheTool.LXB20LXB20VoiceWave&OutputStatusVoiceWaveFlash1WaveFormFlash2WaveFormBusyHighWaveFormWaveFormTriggerStartEndLXB20DCElectricalCharacteristicsItemOperatingvoltageStandbycurrentOperatingcurrentDrivecurrentofOutputMinTypMaxUnitVDDIsbIopIodIosIodIos2.43.65VuAuAmAmAmAmAConditionVDD=3V,noloadVDD=3V,noloadVDD=3VVOUT=0.6VVDD=3VVOUT=2.4VVDD=3V,VOUT=1.5VVDD=3V,VOUT=1.5VDrivecurrentofPWMSinkcurrentofPWMLXB20ACElectricalCharacteristicsSymboltdbtdbtgrtPWtPItBHtBDtdVtCStDStDHtCPtCCtCHCharacteristicKeyTriggerdebouncetime(long)KeyTriggerdebouncetime(short)KeyTriggerPulsewidthSerialModeInputPulseWidthTheintervaloftwopulseBusysignaloutputholdtimeBusysignaloutputdelaytimeVoiceouputdela