Hierarchical Error Correction Codes over Multi-Bit-Differential Signaling

We present a mechanism for implementation of error control coding over a new chip-to-chip signaling technology called multi-bit differential signaling (MBDS). MBDS is a low-power, area and pin efficient alternative to serial differential links, and consists of a new driver and link termination network design coupled with a novel coding system based on “n choose m” (nCm) codes. Our error handling coding technique takes advantage of the natural redundancy and additional code space that nCm codes offer.