dream-SAM9753数据手册

1Features•InterfacesDirectlytoInstrumentHardware–KeyboardVelocityScanner(Upto88Keys,64µsTimeAccuracy,LogTimescale)–SwitchScanner(Upto176Switches)–LEDDisplayController(Upto88LEDs)–SliderScanner(Built-inADC,Upto16Sliders)–LCDDisplay(8-bitInterface)CrispMusicalResponse–45MHzBuilt-in16-bitMicrocontroller–InterfacewithKeyboard/SwitchesthroughBuilt-inSharedMemoryHigh-qualitySound–64-slotDigitalSoundSynthesizer/Processor–Multi-algorithm:PCMwithDynamicLPFilter,FM,DelayLinesforEffects,Equalizer,Surround,DigitalAudio-inProcessing–CompatiblewithSAM97xxSoundsandFirmware–44.1kHzSamplingRate–Upto16MBx16ROM/RAMforFirmware,OrchestrationandPCMData–Upto4ChannelsAudio-out,2ChannelsAudio-inTopTechnology–144-leadTQFPSpace-savingPackage–Single11.2896MHzCrystalOperation,Built-inPLLMinimizesRFIAvailableSoundbanksforGeneralMidi®(GM)(1)orHigh-qualityPiano–CleanWave®1-Mbyteand4-MbyteSampleSets(FreeLicense)–High-quality2-MbytePianoandStringsSampleSets–OtherSampleSetsAvailableUnderSpecialLicensingConditionsQuickTime-to-market–ProvenReliableSynthesisDrivers–In-circuitEmulationwithCodeViewDebuggerforEasyPrototypeDevelopment–Built-inExternalFlashProgrammingAlgorithm,AllowsOn-boardFlashProgramming–AllExistingSAM97xxToolsAvailableforSoundandSound-bankDevelopmentNote:1.GeneralMIDIrequiresalicensefromMidiManufacturersAssociation.DescriptionTheSAM9753integratesaSAM97xxcore(64-slotDSPand16-bitprocessor),a32Kx16RAM,anLCDdisplayinterfaceandascannerintoasinglechip,allowingdirectconnectiontovelocity-sensitivekeyboards,switches,LEDsandsliders.Withtheaddi-tionofasingleexternalROMorFlashandastereoDAC,acompletelow-costmusicalinstrumentcanbebuiltthatincludesreverbandchoruseffects,parametricequalizer,surroundeffects,orchestrations,pitch-bendandwheelcontroller,withoutcompromis-ingonsoundquality.TheSAM9753ispackagedinastandard144-leadTQFPpackage.IntegratedDigitalMusicInstrumentSAM9753Rev.1774C–DRMSD–06/022SAM97531774C–DRMSD–06/02Figure1.TypicalApplicationfortheSAM9753Figure2.SAM9753BlockDiagramROMSAM9753DACKeyboardsSwitchesLEDsLCDDisplaySlidersMIDIIN/OUTP16Processor256x16RAM512x16ROM64-slotDSPwithAlgorithmsinRAM32Kx16SRAMMemoryManagementUnitMIDIUART3xTimersControlandStatusRegs128x16ScanningRAMKeyboardsSwitchesSlidersLEDsScanningI/FClockandPLL8-bitADCLCDDisplayInterfaceDACLKDABDxDAADCLBDWSBDRUNA0-A23D0-D15RD,WRCSxXIOxMIDIIN/OUTGPIO0-GPIO4VREFPVREFNVINDB0-DB7RSR/WEKBD1IOROW0-ROW2BR0-BR10MK0-MK10X1,X2LFTRESETPDWNDEBUG3SAM97531774C–DRMSD–06/02Table1.PinDescriptionbyFunctionPinNamePinNumberTypeFunctionPowerSupply(1)GND4,17,24,32,42,52,56,65,77,90,97,102,110,125,130,140PWRDigitalGroundAllpinsshouldbeconnectedtoagroundplane.AGND103PWRAnalogGroundfortheADCVCC5,18,31,41,51,66,78,91,111,126,139PWRPowerSupply,3.3V/5V±10%AllpinsshouldbeconnectedtoaVCCplane.VC323,55,96,101,129PWRCorepower,+3.3Vnominal(3.3V±10%).AllVC3pinsshouldbereturnedto+3.3V.AVC3107PWRAnalogpowerfortheADC,+3.3Vnominal(3.3V±10%)SerialMIDIMIDIIN94INSerialMIDIINMIDIOUT95OUTSerialMIDIOUTExternalPCMROM/RAM/I/OWA0-WA2347-50,53,54,57-64,67-76OUTExternalmemoryI/Oaddress.Upto16Mx16fordirectROM/RAMconnection.WD0-WD1519-22,25-30,33-38I/OExternalmemoryI/Odata.Dataisread(input)whenRDislow,written(output)whenWRislow.RD39OUTExternalROM/RAM/peripheralsreadWR40OUTExternalRAM/peripheralswriteCS0-CS143,44OUTProgrammablechipselects.CanbeconfiguredtohandleseveralROMsormixedRAM/ROM/FLASH.XIO0-XIO145,46OUTExternalperipheralschipselect.Eachperipheralmapsonto4Kbytesaddressspaceforoptionalfurtherdecoding.Keyboard,Switches,LEDs,Sliders,ScanningKBDIO119OUTIf1:BR[0:10]andMK[0:10]holdkeyboardcontactinputdata.If0:BR[0:10]holdsswitchstatusinput,MK[0:10]holdsLEDdataoutput.ROW0-ROW2115-117OUTRowselect:Keyboard,switches/LEDs,externalslideranalogmultiplexer(4051)channelselect.EightrowscombinedwithelevenBR/MKcolumnsallowtocontrol88keys,88switches,88LEDsand8sliders.TheprogrammablebitGPIO0allowscontroltobeextendedto176switchesand16sliderswhenprogrammedasROW3.BR0-BR101-3,135-138,141-144INKeyboardcontact1/switchstatus.WhenKBDIO=1thenBR[0:10]holdsthekeyboardkey-offorfirstcontactstatus.Thiscanbeconfiguredasnormallyclosed(springtype),normallyopen(rubbertype),commonanodeorcommoncathodecontactdiodes.WhenKBDIO=0thenBR[0:10]holdstheswitchstatusfromROW[0:2]orROW[0:3].4SAM97531774C–DRMSD–06/02MK0-MK10120-124,127,128,131-134I/OKeyboardcontact2/LEDdata.WhenKBDIO=1thenMK[0:10]holdsthekeyboardkey-onorsecondcontactstatus.Thiscanbeconfiguredascommonanodeorcommoncathodecontactdiodes.WhenKBDIO=1thenMK[0:10]holdstheleddatafromROW[0:2].VREFP106ANAPositivereferencevoltage.ShouldnormallybeconnectedtoacleanAVC3supply.VREFN105ANANegativereferencevoltage.ShouldnormallybeconnectedtoacleanAGND.VIN104ANASlideranaloginput.RangesfromVREFNtoVREFP.ShouldholdtheROW[0:2]orROW[0:3]slidervoltage.Multipleslidersshouldbeconnectedthroughexternalanalogmultiplexer(s)like4051.LCDDisplayInterface(2)RS16OUTSelectinstruction(LOW)ordata(HIGH).RW15OUTSelectwrite(LOW)orread(HIGH).ENB14OUTEnable,activehigh.DB0-DB76-13I/OBi-directionaldatabus.DigitalAudioGroup(3)DACLK93OUTMastercloc