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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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HT45F2020 데이터시트(PDF) 60 Page - Holtek Semiconductor Inc |
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HT45F2020 데이터시트(HTML) 60 Page - Holtek Semiconductor Inc |
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60 / 85 page  Rev. 1.00 60 April 11, 2017 Rev. 1.00 61 April 11, 2017 HT45F2020/HT45F2022 Sound Effect Generator Flash MCU HT45F2020/HT45F2022 Sound Effect Generator Flash MCU Sound Effect Generator ThesoundeffectgeneratorisdesignedtobeusedinconjunctionwiththeHolteksuppliedSound EffectGeneratorWizard,whichwillallowuserstoeasilyandrapidlydeveloptheirsoundgenerator applications.UsingtheHolteksuppliedSoundEffectGeneratorWizarddevelopmenttools,sound fileproductionalongwithprogrammingandplaysoundevaluationismadeintoaneasyandrapid process.Otherfunctionsincludea200mssoftchirpandfade-infeatures.Withitshighlyintegrated rangeoffunctionsanddevelopmentplatformHoltekhasgreatlysimplifiedthesoundeffect generationprocessandoneinwhichthehardwareonlyrequiresaminimumofexternalcomponents. AnevaluationboardisavailablefromHoltektoenabletheeasydevelopmentofuserapplications. ThisisusedtogetherwiththeSoundEffectGeneratorWizardsoftwareandtheHolteke-Linkto enabletheusersoundfilestobeprogrammedintothedevice.Theevaluationboardalsoallowsthe usertoimmediatelyplaythefilesthusallowingforrapidevaluationoftherequiredsoundeffects. Refertothe“SoundEffectGeneratorWizardUserGuide”formoredetailedinformation. Interrupts Interruptsareanimportantpartofanymicrocontrollersystem.Whenanexternaleventoran internalfunctionsuchasaTimerModulerequiresmicrocontrollerattention,theircorresponding interruptwillenforceatemporarysuspensionofthemainprogramallowingthemicrocontrollerto directattentiontotheirrespectiveneeds.Thedeviceonlycontainsinternalinterruptsfunctions.The internalinterruptsaregeneratedbyvariousinternalfunctionssuchasTMs,andTimeBases. Interrupt Registers Overallinterruptcontrol,whichbasicallymeansthesettingofrequestflagswhencertain microcontrollerconditionsoccurandthesettingofinterruptenablebitsbytheapplicationprogram, iscontrolledbyaseriesofregisters,locatedintheSpecialPurposeDataMemory,asshowninthe accompanyingtable.ThefirstistheINTC0~INTC1registerswhichsetuptheprimaryinterrupts,the secondistheMFIregisterwhichsetuptheMulti-functioninterrupts. Eachregistercontainsanumberofenablebitstoenableordisableindividualregistersaswellas interruptflagstoindicatethepresenceofaninterruptrequest.Thenamingconventionofthese followsaspecificpattern.Firstislistedanabbreviatedinterrupttype,thenthe(optional)numberof thatinterruptfollowedbyeitheran“E”forenable/disablebitor“F”forrequestflag. Function Enable Bit Request Flag Global EMI — Multi-function MFE MFF Time Base TBE TBF PTM PTMPE PTMPF PTMAE PTMAF Interrupt Register Bit Naming Conventions Register Name Bit 7 6 5 4 3 2 1 0 INTC0 — — TBF — — TBE — EMI INTC1 — — — MFF — — — MFE MFI — — PTMAF PTMPF — — PTMAE PTMPE Interrupt Registers List |
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