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Line 9: == 1 of N codes == A special case of constant weight codes are the one-of-N codes, that encode <math>log_2 N</math> bits in a code-word of <math>N</math> bits. The one-of-two code uses the code words 01 and 10 to encode the bits '0' and '1'. a one-of-four code can use the words 0001, 0010, 0100, 1000 in order to encode two bits 00, 01, 10, and 11. An example is [[dual rail encoding]], used in many [[asynchronous circuit\|asynchronous circuits]]. == References ==

Constant-weight code: Difference between revisions