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UCD90120A上电后不工作

Other Parts Discussed in Thread: UCD90120A

设计的UCD90120A电源监测电路,连接仿真器,在调试软件上Debug没有问题,脱离仿真器,UCD90120A就运行不起来,GPO输出都没有,再次连接仿真器和软件,可以运行,内部代码也有呢,怎么回事呢,请专家们帮帮忙。