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DM8168连仿真器出错



大家好: 刚做好的DM8168板子,连仿真器的时候,一开始是能连上的,过2~3秒后,马上又断开,反复查电源, POR复位直接用RC复位(1k电阻上拉,再并一个2.2u的电容),RESETN复位按附件的图中接,实在是不知道为什么,请各位大侠指教