I am very interested in coocox development tools, and i tried to do a colink myself last week, it is very easy, but what confused me is that when i use colink plugin for keil realview MDK to write program when it is re-powered on without any program on AT91SAM3U4E, it can't program normally, i don't know why, can anybody tell me?Thanks very much!Its web site is [url="http://www.coocox.org/"]http://www.coocox.org/[/url]