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TUSB546-DCI: AC coupling requirement

Part Number: TUSB546-DCI

Tool/software:

Hi,

We would like to use TUSB546 as crosspoint switch, however we only use Display port signal as Alt mode. This means that we do not have plan to use USB 3.x signal.
In this case, should we implement AC coupling capacitor on downstream port side(TXxx/RXxx) ?

Best Regards