基于PN532的接触式和非接触式读卡器设计

The design of multi-function smart card reader being compatibled with contact cards and contactless cards based on PN532

介绍了一款可以同时读写接触式卡和非接触式卡的多功能读卡器,详细阐述了射频芯片PN532和主控芯片ST2211的外围硬件电路和整个读卡器的软件构架。同时对读卡器电源管理、低功耗设计、多通信方式融合等进行了较详细的分析。

This paper mainly introduces a multi-function smart card reader which is compatibled with contact cards and con- tactless cards.And it describes the peripheral hardware design and software principles of RFIC PN532 and master chip ST2211. At the same time, this paper carries out detailed analysis of the power management, low-power design and multi-communication integration.