Experience in hierarchical debugging of boards and cards

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1, summary

     In the debugging stage of the board , In particular, more complex boards , Maybe many circuit modules are used in the design for the first time , So the important way to ensure the success of the whole board debugging is , First, ensure the success of each module of the circuit . The method of hierarchical debugging is used here . This paper briefly introduces how to realize the hierarchical debugging of the board , What should be done in the design phase .

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