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本文在分析ISO磁卡数据结构标准的基础上，提出一种单片机磁卡阅读器的设计方案，并探讨了磁卡数据在正向及反向划卡时的译码过程。
On the basis of analyzing the standard of ISO magnetic card data structure, this paper presents a design scheme of magnetic card reader for single-chip microcomputer and discusses the decoding process of magnetic card data in the forward and reverse card.