Inversion encoding: Difference between revisions

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== Overview ==

The Bus-Invert encoding technique uses an extra signal (INV) to indicate the “polarity” of the data. Suppose we have an bus-invert code word <math>INV@x</math> where <math>@</math> is the concatenation operator, and <math>x</math> denotes either the source word or its [[one’s complement]]. The bus-invert decoder takes the code word and produces the corresponding source word. If the INV signal is 1, the result is one’s complement of x, otherwise it is x.

=== Usage Situations===