本文通过基于S3C2410 的嵌入式USB 从设备驱动程序的实现,介绍嵌入式Linux 系统中的USB 从设备驱动程序的设计方法,同时介绍了USB 接口的一般原理和USB 通信的一般过程,以及嵌入式Linux 中驱动程序开发的一般原理和方法。 关键字:USB;Endpoint;S3C2410;Linux Abstract: This paper designed a USB device driver program in embed system based on S3C2410. Use the program introduce how to design USB device driver program in embed Linux system, it also introduce the principle of USB interface and its common communication process, and about how to design driver program in embed Linux system. Key Words: USB; Endpoint; S3C2410; Linux