A circular buffer control circuit, a method of controlling a circular buffer and a digital signal processor (DSP) incorporating the circuit or the method. In one embodiment, the circuit includes: (1) address calculation logic, having multiple datapaths, that calculates, from data regarding a buffer operation,...http://www.google.de/patents/US6745314?utm_source=gb-gplus-sharePatent US6745314 - Circular buffer control circuit and method of operation thereof
