The configurable logic device comprises a plurality of configurable logic cells (2). A configurable logic cell comprises a plurality of multi-bit registers (20a, 20b, 20c, 20d). At least one is accessible both in a parallel and in a serial fashion. A functional unit (30) therein is coupled to two or...http://www.google.com/patents/US7982495?utm_source=gb-gplus-sharePatent US7982495 - Configurable logic device
