RK27XX 是大家所熟知的一个硬件平台，它是瑞芯微公司推出的一套成功的MP4解决方案，现以RK27XX系列为硬件平台，来移植现在国产的RT-Thread嵌入式操作系统。对于喜欢RT-Thread操作系统或者想要学习嵌入式操作系统的朋友来说是个很难得的实例。-RK27XX is known to everyone as a hardware platform, which is introduced Rockchip MP4 of a successful solution is to RK27XX series hardware platform, is now made ​ ​ to transplant the embedded RT-Thread operating system. For those who love RT-Thread operating systems or embedded operating system you want to learn a friend is a rare instance.