Parallel pseudo-random generator for emulating a serial...

Details Parallel pseudo-random generator for emulating a serial... Parallel pseudo-random generator for emulating a serial...

H - Electricity

03

K

328/103

H03K 3/84 (2006.01) H04L 25/03 (2006.01)

Patent

CA 2016635

65993-196 ABSTRACT OF THE INVENTION A parallel pseudo-random generator emulates a serial pseudo-random generator which in turn is defined by a polynomial of the type 1 + xM + ... + xP; that is, wherein the serial outputs are generated such that the next serial output value is based upon an Exclusive OR combination of at least two preceding serial output values. The parallel pseudo-random generator comprises latches and Exclusive OR gates, the number of latches and Exclusive OR gates each being at least equal to the polynomial order of the serial pseudo-random generator defining polynomial. The outputs of the latches represent the outputs of the parallel pseudo-random generator and may be used to scramble data on parallel data lines. A method is disclosed for determining the interconnects between the latch outputs and the Exclusive OR gate inputs based upon the number of latches and the serial pseudo- random generator defining polynomial.

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