A method of controlling a delay-locked loop (DLL) module is disclosed. The method includes the steps of receiving a clock signal, comparing the received clock signal with a reference clock signal to determine whether a required phase difference between the signals is within specified tolerances, producing...http://www.google.de/patents/US7348820?utm_source=gb-gplus-sharePatent US7348820 - Method and apparatus for glitch-free control of a delay-locked loop in a network device
