A multiphase encoded protocol has sufficient density of commands to allow a rich language to be realized on a bus. When ten field bits are dedicated to commands, it is possible to have more than six million words to choose from per clock. Architecture to implement the multiphase encoded protocol and...http://www.google.com.au/patents/US6996632?utm_source=gb-gplus-sharePatent US6996632 - Multiphase encoded protocol and synchronization of buses
