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.

C6746 定时中断问题



在C6746中设置两个中断:

1)Timer1为25us,映射到vector5,用timer2regs的低32位进行计数;

2)Timer0为100us 映射到vector6,用timer3regs的低32位进行计数.

现在的问题是Timer1 25us的中断在400个周期内,偶尔会出现一个22us的中断,紧接着出现一个28us的中断,请问是什么原因?是什么导致定时中断产生偏差?