我在高级定时器溢出中断�?�GPIO电平翻转的动作，然�?�去观察GPIO的波形，但是当定时器的溢出频率过高时，我�?�现示波器没波形了，这是�?�跟定时器中断的最大频率有关？I did the action of GPIO level flip during the advanced timer overflow interrupt and then observed the waveform of GPIO. However, when the overflow frequency of t...