重点介绍了RC500、X1227 等芯片的功能与应用;软件方面给出了收费机软件设计的思想及软件设计的程序流程图,结合存储芯片24C64 ,对考勤机黑名单存储技术、中文显示的实现.(The functions and applications of RC500, X1227 and other chips are mainly introduced. The software design idea and program flow of software design are given in