各位,最近做了块2541的板子,焊接好后不能下载程序,怀疑是板子线路问题,在IAR里面我插在2540的板上能下载,然后断开2540重新插上2541就可以下载了,并且手机能扫描到,这样说来我的板子应该没有问题,如果仿真器复位后又不能下载了又要先插上2540,然后断开重新插上才能下载???
这究竟是什么问题,求大师们解答一下,谢谢了!!!
附件是原理图
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.