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文章介绍了一种具有支持热插拔和即插即用、并可通过USBHUB容易扩展等特点的USB接口IC卡读写器 ,阐述了读写器USB接口电路及工作原理 ,并介绍了USB设备驱动程序设计方法。
This paper introduces a USB interface IC card reader with support for hot-swappable and plug-and-play and easy expansion via USBHUB, describes the USB interface circuit and working principle of the reader and introduces the USB device Driver design method.