摘要
以AT8 9C5 2作为使用的单片机机种 ,介绍IC卡SLE44 42在没有I2 C总线的单片机系统中的一种最简应用方法 ,介绍了SLE44 42芯片的特点及与 89C5 2单片机的最基本连接 ,阐述了使用方法及编程问题 。
Using AT89C52 as an example,this paper introduces the simplest application method of the IC card SLE4442 in SCM's system without I 2C bus,the features of SLE442 chip and it's connection with 89C52 SCM,including its using and programming,and also gives its program block and flow.
出处
《鞍山钢铁学院学报》
2001年第6期436-439,共4页
Journal of Anshan Institute of Iron and Steel Technology