Issue No.01 - January/February (2001 vol.21)
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/40.903063
This low-cost digital technique uses differential sensing, requires only a single pin per signal, and is based on detecting a change/no change state from the preceding state.
Ejaz Haq, Jim Slager, John Pecoraro, John D. Johnson, Mark Santoro, Lee Tavrow, Scott Wakefield, David Weisner, "JAZiO Signal-Switching Technology: A Low-Cost Digital I/O for High-Speed Applications", IEEE Micro, vol.21, no. 1, pp. 72-81, January/February 2001, doi:10.1109/40.903063