USB 3.0 PHY Polarity Inversion

September 11, 2020 14:51

Hi Team,

we're working on integrating the Realsense T261 tracking module to a custom PCB, and wanted to be sure about polarity inversion:

all devices implementing the USB 3.0 PHY must be able to function even with the polarity of the USB 3.0 pairs swapped. That is TXP with TXN and RXP with RXN. (USB 2.0 must not be swapped)

We could not find any confirmation about this, since USB 3.0 is listed as a requirement on the host side, but not as fully supported feature of the Movidius ASIC, which handles USB.

In short, is the Movidius Myriad USB implementation PHY compliant?

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3 comments

MartyG

September 11, 2020 14:58

Edited
Hi Daniels Kurgs T261 / T265 related questions are handled at the RealSense GitHub forum. Please re-post your question there by visiting the link below and clicking on the New Issue button. Thanks very much.

https://github.com/IntelRealSense/librealsense/issues
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Daniels Kurgs

September 11, 2020 15:04
Ah, apologies. I opened Issue #7308
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MartyG

September 11, 2020 15:48
No problem at all. Thanks for the information.
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