PCIe Refclk Frequency range

Hello Team,

We found that during the PCIe Clock validation on our carrier board by connecting Jetson Xavier NX SOM and Jetson ORIN NX SOM, it is coming around 99.77Mhz while acceptance criteria as per the PCIe standard is as attached.

Also, we have checked this on P3509 Carrier board using Jetson Xavier SOM. Request to check and share your feedback for the same.

1. PCIe Refclk - For Our Carrier board

PCIe1_REFCLK.pdf (141.5 KB)

2. PCIe Refclk - For P3509 Carrier board

PCIE1_REFCLK_Xavier Devkit.pdf (95.2 KB)