【摘要】 介绍一种安全性好的单线读写数据智能卡 ,给出了单线读写接口电路和写程序。更多还原

【Abstract】 This paper represents a Smart Card which is written and read only through a single line and which can protect data stored well. The paper gives the interface circuit to write and read the card. What’s more , it gives a practicable program for writing data to the card.更多还原