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DS90UB940-Q1: 940输出的mipi-CSI信号,插拔后才正常

Part Number: DS90UB940-Q1

我使用DS90UB940输出MIPI-DSI给SOC做视频输入,SOC再叠加其他图像后通过另外一个视频通道驱动TFT屏,有大约5%的产品无显示,但是把连接到940的视频线拔掉,再插上,就能显示了,这会是什么原因呢?

   而另外约95%的产品一上电就正常的。这5%的故障产品,每次上电都无显示,插拔视频线后能恢复显示。