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PCIE DS50PCI401使用问题

Other Parts Discussed in Thread: DS50PCI401

系统结构:PC------>PCIE接口卡(上有pcie驱动)---PCIE线缆(1米)--->板卡PCIE驱动(TI DS50PCI401)------>板卡FPGA

PCIE线缆到板卡 DS50PCI401的输入通过示波器测量是正常的

经过驱动芯片DS50PCI401后,信号变成

这个是layout问题,还是芯片的配置没有配正确造成的?