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MPC5604B clock problem

Question asked by yankuang on Dec 8, 2017
Latest reply on Dec 11, 2017 by David Tosenovjan

I wrote the code to my board, when the project single-step debug, the board runs normally. However, if running at full speed, the external clock signal will become the waveform shown below。

I want to know what will causes the clock output to be like this。My clock circuit as shown below

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