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Abstract-This paper presents an application domain driven approach to the design of embedded systems on silicon, and it shows how this approach is used to design a chip for a multiwindow TV application. We discuss all major design steps in a logical order starting with an application domain analysis. This lead to the choice of Kahn data flow graphs as the programming paradigm for high-throughput signal applications. Based on this analysis we designed a multiprocessor architecture which uses run-time reconfiguration. Finally, attention is spent toward the physical implementation and the deep-submicron problems we had to solve. The result is a chip that can manage up to 25 internal real-time video streams. The chip combines the flexibility of a programmable solution with the cost effectiveness of a consumer product.

Eclipse is a heterogeneous multiprocessor architecture for high-performance media processing, including highdefinition MPEG encoding/decoding. The scalable architecture framework concurrently executes media processing kernels in function-specific multi-tasking coprocessors and a media processor, communicating via on-chip memory. Eclipse instances combine application configuration flexibility with the efficiency of function-specific hardware.

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