基于51单片机和CPLD试验开发板的设计摘要阐述了设计的各部分硬件的原理和用于试验的软件设计,特别给出了RTC的设计在实验板设计中的成功应用
单片机CPLD实验板将单片机与CPLD有机结合在一起,构建以51单片机为主,CPLD为辅的电路系统设计方案,既可以独立用于单片机实验或CPLD实验,也可以用于单片机和CPLD综合应用的实验
尤其,集成了具有ISP功能的CPLD和ISP功能的单片机,为初学者节约了昂贵的编程器成本
关键词:51单片机CPLDISP编程器实验板ABSTRACTInthispaper,itwaselaboratedthatthevariouspartsofthedesignprinciplesofhardwareandsoftwarefortestdesign,especiallygiventhedesignoftheRTCboardinthesuccessfulapplicationofdesign
TheexperimentofMCUandCPLDwillbecombinedwiththeMCU-CPLDboard,whichmainlytobuild51single-chip,CPLDsecondarycircuitystemdesign,andbothindependentexperimentsorCPLDforthesingle-chipexperimentscanalsobeMCUandCPLDforthecomprehensiveapplicationoftheexperiment
Inparticular,theintegratedfunctionoftheCPLDandMCUwithISPforbeginnerssavesthecostofexpensiveprogrammers
Keywords:51MCUCPLDISPprogramme