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AWR2243: IRQ 未拉低

Part Number: AWR2243

你好,

我们的问题是:自行设计的4级联雷达板,做代码开发时(参照TI级联例程),主芯片上电及初始化正常,从芯片2/4上电正常,但从芯片3上电失败。

如下图。请问可能的原因是什么?