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DM8168芯片SGX530模块工作异常



现设计一块DM8168的板子,板子原先工作正常,后面再调试完电源模块后,发现DM8168芯片的SGX530模块工作异常,程序上把这个功能跳开的话,板子还是能正常工作的;且在程序调试中,发现无法配置SGX530的CLK。

想知道是DM8168芯片损坏导致SGX530功能异常?如果是芯片损坏,会是什么原因导致的呢(板子的电源都正常,时钟等也都正常)?