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.
TMS320F280039未烧录程序,上电复位电平存在周期性低电平,将复位脚5脚外围电路去掉后故障依旧。周期性低电平频率67Hz,脉宽640us。请问是什么原因导致,急