【摘要】 基于掌上型电能表现场校验仪的速度、精度、可靠性要求高的特点 ,引入了美国Cygnal公司的C80 5 1F0 0 5单片机。介绍了该单片机的特点、功能和原理 ,提出在掌上型电能表现场校验仪中采用C80 5 1F0 0 5单片机作为主控芯片的可行性方案 ,给出了方案的硬件原理框图和程序流程 ,介绍了C5 1编程语言和掌上型电能表现场校验仪的应用特点。应用结果表明 ,该校验仪具有较高的稳定性和可靠性。更多还原

【Abstract】 Basing on the characteristics of palmtop powermeter field verification intrument, C8051F005 SCM is introduced, and the main characteristics discussed. The functions and principles of SCM, then a feasibility scheme of the design of the vefification instrument are presented. Finally, the principle block diagram and the folw chart of the hardware and the flow chart of the program are given, and the application characteristics of C51 and the palmtop powermeter field verification instrument are described briefly. The results of application show that the verification instrument has high stability and reliability.更多还原