Dynamically Programmable DRU for High-Speed Serial I/O Application Note: Virtex-5 FPGAs Dynamically Programmable DRU for High-Speed Serial I/O Author: Paolo Novellini and Giovanni Guasti XAPP875 (v1.1) January 13, 2010 Summary Multi-service optical networks today require the availability of transceivers that can operate over a wide range of input data rates. High-speed serial I/O has a native lower limit for operating data rates, pr……