：提出了一种基于FPGA 实现嵌入式三态(10MB/100MB/1 000MB)以太网的设计方案，分别从硬件和软件方面介绍了使用FPGA 进 行嵌入式系统设计的方法，编写了一个控制系统进行10MB/100MB/1000MB 自切换程序，并在工程中得以实现。-: This paper presents a FPGA-based Embedded Tri-State (10MB/100MB/1 000MB) Ethernet design, from hardware and software,

该例程是在Freescale的FRDM-KL25Z开发板上，通过GPIO控制三色LED亮灭的程序。开发环境是IAR。-This example is based on the FRDM-KL25Z developboard of Freescale.It uses the GPIO to control the tri-color LED to be on or off.The development environment is IAR.

RGB三色渐变.通过PWM控制三色LED同时渐渐变色，文件夹中有视频。-RGB three-color gradient through the tri-color LED PWM control while gradually change color, folder video.