A digital signal processor (DSP) is disclosed which is capable of starting a new arithmetic operation even when results of completed arithmetic operations cannot be written into accumulators because they already contain results. The DSP includes an arithmetic operation unit, a bus, at least one accumulator...http://www.google.com/patents/US6732132?utm_source=gb-gplus-sharePatent US6732132 - Digital signal processor and digital signal processing system incorporating same
