Cyclone V Device Handbook: Volume 2: Transceivers

ID 683586
Date 10/24/2018
Document Table of Contents Clock Rate Compensation Up to ±300 ppm

In compliance with the PCIe protocol, the receiver channels are equipped with a rate match FIFO to compensate for the small clock frequency differences of up to ± 300 ppm between the upstream transmitter and local receiver clocks.