摘要
以使用较典型的 2 4C0 1 A型 IC卡为例介绍了 IC卡的电气性能特点 ,叙述了2 4C0 1 A型卡同单片计算机接口的基本原理、硬件设计、软件编程。
This article introduces the technology and application of Integrated card,and takes 24C01A IC as an example to discuss its electrical characteristics and elaborates the basic principle,hardware design and software programming of the interface between a 24C01A card and a microcontroller.
关键词
IC卡
I^2C总线
单片机
接口
integrated card
I 2C bus
microcontroller
interface