This paper will illustrate the essential elements of a five step refinement flow. The first four steps in the flow have been realized in TSMC’s Reference Flow 11 and work is ongoing for reference flow 12. A stepwise refinement and reuse flow is necessary to realize the complete benefits of ESL. It preserves each subsequent modeling investment through the transformation and verification of transaction-level models from their initial highly abstracted representation to fully verified RTL. It utilizes transaction-level models as reference models during RTL verification and reuses the initial TLM platform as a “system level testbench” for downstream implementations.
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