StepofelectricmachineuniversalcontrollerrealizeswhichbasedontheMSP430F149SingleChipMicrocomputer.Abstract：Withtheinfiltrationinthesocialfieldofthecomputerinrecentyears,theapplicationoftheone-chipcomputerismovingtowardsdeepeningconstantly,drivetraditionisitmeasurecrescentbenefittoupgradedaytocontrolatthesametime.Inmeasuringinrealtimeandautomaticallycontrolledone-chipcomputerapplicationsystem,theone-chipcomputeroftenusesasakeypart,onlyone-chipcomputerrespectknowledgeisnotenough,shouldalsofollowthestructureoftheconcretehardware,anddirectagainstandusethesoftwareoftarget'scharacteristictocombineconcretely,inordertodoperfectly.ThisarticlemainlyintroducedrealizesastepofmachineuniversalcontrollerbasedontheMSP430F149monolithicintegratedcircuit.Thiscontrollermaysimultaneouslycontrolthemulti-tableclothsmachineaccordingtothecurvewaymovement,includingaddsandsubtractsfast,thelocalizationandthecommutationfunctionandsoon.Inthearticlediscussedwithemphasisstepmachinehasrisentolowthespeedandthecurvedesignproposalanditstherealizationmethod.1.apreface：basedonthestepofmachinecontrolsystem,exceptstepmachinegenerallyalsoneedsthespecialactuationpowersource,actuatesthepowersourcemerelytocompletethepoweractuationpart,theusercertainlycannotcausetheentirecontrolsystemaccordingtoprearrange,theexpectationactivestatusmovement,mustcontroltoitsactuationpowersource,theuserneedstodeveloponcemore.Inviewofthis,hasdesignedastepofmachineuniversalcontrollerwhichrealizesbasedontheMSP430F149monolithicintegratedcircuit,maysatisfythemajoritycontrolling外文资料原文fieldoriginallyrequest.Thecontrollermainfunctionis:(1)Maycontrolthemulti-wrapsstepofmachineactuationsystem;Atpresentmaysimultaneouslycontrol3setsofsystems.(2)workwayisflexible,mayaccordingtothehypothesiscurvemovement,thecurvemostreach8sections;Mayaccordingtothecontrolsignalmovementwhichexteriorexamines;Mayaccordingtothesimulationadjustmenttestfunctionmovement;2.Systemsdesigns2.1systemsstructureThiscontrollerhasmainlyrealizedthematic-tableclothsma