Jetson Nano with Single Pair Ethernet?

Autonomous Machines Jetson & Embedded Systems Jetson Nano
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I’m trying to design a custom board to use a Jetson Nano (and eventually Jetson Orin Nano) in a system that uses SPE to provide communication between various modules within the system. I figured, since the Nano doesn’t have the MII exposed, I was planning on using a set up with back to back PHY’s as such: SPE Jack → SPE PHY → Standard Ethernet PHY → Jetson Nano. My problem is that the Jetson doesn’t have MDIO available to configure the two external PHY’s. Is there a way to interface the Nano with external PHY’s in this manner? Can I use some other interface to mimic MDIO, or do I need to find another processing solution that does have exposed MII?

I have read through the design guide for the Jetson Nano, but I didn’t see anything that indicated how to do this. Thanks in advance.

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There is no method to do that.

I would suggest just directly use PCIe based solution instead of trying those.

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