TPS6508640给塞琳思的xczu9eg供电,在DDR访问大数组时所有电压轨跌落,测量6508640输出的VTT纹波较大,请问是否是这个导致芯片检测VTT异常,就把所有电压输出关闭了
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HI
建议你参考datasheet25、26页或者其他的时序来确认你的电源启动,首先是哪个电源异常的?