在CPU跑600M的6416工程中,为了测试指令周期,用5个_nop() 周期的驱动IO输出,在示波器上测出来高电平的时间竟然有200多nS(应该不是IO翻转频率受限导致,根据手册计算GPIO输出频率应该有1/16P);所以想请教下怎样通过C编译后的汇编代码估算指令耗时?
谢谢!
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.