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写了个程序
int cos(int i)
{
int i=i%270;
return cosarray[i];
}
将程序memcopy拷入RAM i=i%270 大概运行了500ns。
而在JTAG下，RAMLINK cmd文件直接运行时，i=i%270 只有300ns。
这是为什么
Move to C2000 forum
你是用那种方法测的时间，是用定时器来做的吗？
