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DM6446 程序开始运行就跑飞



小弟遇到了一个问题请帮忙解决一下:

      板子是我们自己做的用的是6446芯片,在板子做好之后,我想测试一下DSP是不是真正的运行起来了,就自己做的一个小程序,用GPIO38不停的输出0、1然后用示波器测量。CCS3.3编译好程序,并lode下去了,可是开始运行就跑飞了,试了好多次了都是这样,这是到底是怎么回事,请知道的朋友不吝赐教。

     补充一下我用的是ARM的RAM空间在.CMD文件中,即把代码段、变量等都放在ARM的RAM空间,这应该没有什么问题吧?

                                                                                                                                                                                                                                                                               谢谢!