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Control logic consists of state machines and other miscellaneous logic.
Datapath logic consists of functions like counters, arithmetics, and memory. As device complexity increases, datapath logic begins to dominate as an overall percentage of the design. With this increase in datapath logic, it has become imperative that optimized datapath logic be readily available to maximize silicon value. This is true whether the design is synthesis based, schematic based, or some mix of the two. This Application Note describes Actel's support of datapath logic functions, shows how they are used interactively in schematic capture systems, and how they operate transparently when working with synthesis tools.