用于LPC2100的例子，很值得参考。32位机的定时器用起来还是比较麻烦的。需要进一步研究的朋友可以参考周立功的基础教程。-LPC2100 for example, it is worth noting. 32 machine timer or use up more trouble. The need for further study of a friend, who can refer to the basis Week Guide.