On-Chip Busses

  • Patrick R. Schaumont


The on-chip bus is the backbone of any SoC, and it is a means to efficiently connect various components including processors, memory, and peripherals. The challenges for an on-chip bus are not minor: it has to accommodate a wide range of communication needs with a single, unified architecture. In this chapter we review the key characteristics of the on-chip bus, using several existing on-chip bus standards as examples: ARM/AMBA, IBM/Coreconnect, and Wishbone. We also look at some of the long-term challenges for on-chip interconnect, and how this will affect the design of hardware–software interfaces.


Clock Cycle Timing Diagram Clock Edge 
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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.Bradley Dept. Electrical & Computer EngineeringVirginia TechBlacksburgUSA

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