基于PIC16F877A单片机软件环分的步进电机控制系统

128|TechniquesofAutomation&ApplicationsTechnicalCommunicationsPICFASteppingMotorDrivingSystemBasedontheSoftwarePulseDistributionSONGJing,HUANGHao-min(DepartmentofMechanicalandElectricalEngineering;GuiyangCollege,Guiyang550005China)Abstract:ThispaperpresentsadrivingsystemofthesteppingmotorbasedonthemicrocomputerPIC16F877A.Thehardwareandsoftwareofthesystemarealsogiven.Keywords:steppingmotor;PIC16F877Amicrocomputer;softwarepulsedistribution;controlsystemTechniquesofAutomation&Applications|129TechnicalCommunicationsHzrfKmZn}{60}{min/=PICPICPIC16F877A130|TechniquesofAutomation&ApplicationsPIC16F877ATechnicalCommunicationsPIC16F877ATechniquesofAutomation&Applications|131TechnicalCommunications