Advanced 4-Phase Bundled-Data Protocols and Circuits

  • Jens Sparsø
  • Steve Furber


The previous chapters have explained the basics of asynchronous circuit design. In this chapter we will address 4-phase bundled-data protocols and circuits in more detail. This will include: (1) a variety of channel types, (2) protocols with different data-validity schemes, and (3) a number of more sophisticated latch control circuits. These latch controllers are interesting for two reasons: they are very useful in optimizing the circuits for area, power and speed, and they are nice examples of the types of control circuits that can be specified and synthesized using the STG-based techniques from the previous chapter.


Output Channel Channel Type Function Block Previous Chapter Combinatorial Circuit 
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Copyright information

© Springer Science+Business Media New York 2001

Authors and Affiliations

  • Jens Sparsø
    • 1
  • Steve Furber
    • 2
  1. 1.Technical University of DenmarkDenmark
  2. 2.The University of ManchesterUK

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