M41ST87在IC卡电量测量系统中应用  

Application of M41ST 87 in electric power measuring system with IC card

作　　者：刘经宇[1] 方彦军[1] 

机构地区：[1]武汉大学自动化系,湖北武汉430072

出　　处：《电力自动化设备》2005年第1期46-49,共4页Electric Power Automation Equipment

摘　　要：M41ST87是一款全功能微处理芯片。简述了M41ST87的功能结构、工作原理、内部寄存器和通信接口及工作方式。介绍了基于M41ST87的IC卡电量测量系统的功能结构、系统与M41ST87接口的硬件电路、软件流程图及程序。实践证明,基于M41ST87的IC卡电量测量系统简化了系统的软件设计,节约了硬件资源,可靠性,安全性及抗干扰能力大大加强。The M41ST 87 is a supervisor IC. Its functional structure,working principle,internalregister,communication interface and working mode are described briefly. A M41ST 87-based electric power measuring system with IC card is introduced,including its system configuration,interfacing cricuit with M41ST 87,flowchart and program. Practice proves that the system simplifies software design,economizes hardware resources and enhances reliability,security and anti-jamming capability.

关 键 词：M41ST87 I^2C总线 智能IC卡 电量测量 

分 类 号：TM714[电气工程—电力系统及自动化] TN47[电子电信—微电子学与固体电子学]