说明：  本文首先从原理上对264encoder做了详细的说明，并结合asic理论，提出了其设计方案，对于从事asic行业，或者初次接触264的朋友有很好的帮助
(In this paper, first of all from the principle of 264encoder to do such a detailed description in combination with asic theory, put forward their designs, for asic industry, or the initial contact 264 has a very good friend to help)