https://docs.amd.com/v/u/en-US/xtp037
Virtex-5 FPGA RocketIO GTX Transceiver Clock Correction Module (XTP037) - 1.0 English - The clock...
The clock correction (CC) module is a design that connects to the Virtex-5 FPGA RocketIO GTX transceiver. The design implements clock tolerance compensation...