G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
G06F13/38—Information transfer, e.g. on bus
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
H03M7/3002—Conversion to or from differential modulation
H03M7/3044—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM]
