Inversion encoding: Difference between revisions

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== Overview ==
 
The Busbus-Invertinvert encoding technique uses an extra signal (INV) to indicate the "polarity" of the data. Suppose we have a bus-invert code word INV@x where @ is the concatenation operator, and x denotes either the source word or its [[ones' 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===