1. An apparatus, comprising: a bus interface for communicating information from a first die including the bus interface to a second die; wherein a first portion of a bus associated with the bus interface is associated with data bits; wherein a second portion of the bus associated with the bus interface is associated with encoding bits; wherein the bus interface is configured to encode a data word to provide an encoded word; wherein the encoded word is associated with a combinatorial number system; and wherein the bus interface comprises: an encoder coupled to receive the data word and configured to encode the data word to provide the encoded word; and the encoder being further configured to encode the data word according to an ( N r ) code using the combinatorial number system for N a bus width of the bus and for r a weight of the code to provide the encoded word.