In telecommunication, the term code conversion has the following meaning : Conversion
of signals, or groups of signals, in one code into corresponding signals, or groups of signals, in
another code.
A code converter is a logic circuit that changes data presented in one type of
binary code to another type of binary code, such as BCD to binary, BCD to 7 segment, binary to BCD,
BCD to XS3, binary to Gray code, and Gray code to binary.