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 softwareThe realization of the attendance recorder blacklist storage technology and Chinese display with the memory chip 24C64.)