32-bit embedded designs increasingly require real-time control of high-bandwidth data streams over a network. At the System-on-Chip (SoC) level, especially, it is crucial to move data and control information in a deterministic and non-contentious manner. It is also important that operations be directly under the programmable control of the system developer, which has not always been the case in bus-based SoC designs. Designers and chip providers frequently borrow from board- and system-level architectural techniques to create SoC designs with minimal design time and development costs. Since appliances such as printers and PDAs seldom require deterministic, real-time responses, traditional solutions work very well for such applications.
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