With the rapid development of embedded system, its application domain are getting more and more broad and far-reaching, Thus platform based embedded developing system is the inevitable trend.
嵌入式系统的应用领域近年来在广度和深度飞速发展，基于平台化的嵌入式系统开发方式是必然趋势。
The development of the embedded application system must be based on an efficient platform, in order to use the resource of the hardware sufficiently.
嵌入式应用系统的开发离不开调试环境的支持，为了能够充分利用开发板上的有限资源，一个完整高效的开发平台是必不可少的。
Then mainly expatiates RTL8019AS Ethernet controller driver and serial interface driver of embedded communication platform; Finally, discusses the application program development and driver testing.
然后重点阐述了嵌入式通信平台RTL8019AS以太网控制器和串口驱动程序的设计方法，并分析了驱动程序的调试方法；
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