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.

汇编指令周期

Other Parts Discussed in Thread: TMS320F28032, TMS320F28027

对TMS320F28032在线仿真时,单步执行汇编指令,发现有些指令需要很长的机器周期,而对Tms320F28027单步执行时,相同的指令不需要那么多的机器周期,两者相差很大,这是为什么?

执行一个_IQsin()函数需要300来个机器周期,资料上说只要四十几个,这显然不对啊?

现在搞得我20Kz PWM中断里时间根本不够用。

还请TI的工程师帮帮忙分析一下,万分感谢!