Are the RX and TX paths interdependent at PHY level?

Comments and questions to the author of the "Down to the TLP" posts (Eli Billauer)

Are the RX and TX paths interdependent at PHY level?

Postby Guest » Thu Feb 23, 2017 3:58 am

Hello,

I'm new to the whole PCIe world. I'm interested in designing a signal boosting Repeater for the PCIe Gen4. Would I need to architect for the lane which would include RX and TX both? Or, can I go for a generic architecture, where I can put repeater chip only on all the RX pairs; and another repeater part on TX pairs?

Am I missing any RX to TX interdependencies, or timing relationships?
Guest
 

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