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Structural Modeling in VHDL

9/2/2012. 55:032 - Introduction to Digital Design. Page 2. Overview. Component and signal declarationsComponent instantiationsHierarchical structuresPackagesName spaces and scope. 9/2/2012. 55:032 - Introduction to Digital Design. Page 3. Schematic Vs. VHDL. Structural VHDL models the structure

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Structural Modeling in VHDL

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    1. 9/2/2012 55:032 - Introduction to Digital Design Page 1 Structural Modeling in VHDL

    2. 9/2/2012 55:032 - Introduction to Digital Design Page 2 Overview Component and signal declarations Component instantiations Hierarchical structures Packages Name spaces and scope

    3. 9/2/2012 55:032 - Introduction to Digital Design Page 3 Schematic Vs. VHDL Structural VHDL models the structure of a circuit; similar to circuit schematic Defines the circuit components Describes how components are connected System behavior or functionality is indirectly defined; model only lets components work in a certain, defined way. Symbolic analysis allows us to determine functionality of system from understanding component behaviors

    4. 9/2/2012 55:032 - Introduction to Digital Design Page 4 Example Schematic

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