Patent 7512645 was granted and assigned to Texas Instruments on March, 2009 by the United States Patent and Trademark Office.
A system that has a pseudorandom number generator and a mapping system. The pseudorandom number generator generates a random number that is mapped by the mapping system to an output value that is selected from a set of predetermined output values. To increase the randomness of the sequence of numbers generated by the pseudorandom number generator, a tap and/or seed value of the pseudorandom number generator can be varied.