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TMUX646: 用三颗TMUX646可否搭出一个4先1的mipi-csi开关电路?

Part Number: TMUX646

用3颗TMUX646可否搭出一个4先1的mipi-csi开关电路,mipi(4路数据与1路时钟)信号需要经过两颗开关才能路由到主CPU的CSI接口中去,相当于两级开关电路。这样做可行吗?另外我有如下担心:

1. mipi DSI/CSI信号经过这样切换会不会导致信号质量差到不可接受?如眼图通不过标准测试。

2. 没有被选通的的信号通道会不会有阻抗不匹配问题,造成信号反射过大?