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14.5. Introduction to Multiway Branching
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Multiway branching allows HDL code to make decisions and execute different code paths based on conditions. It is fundamental for implementing control logic, state machines, decoders, multiplexers, and complex decision-making circuits.
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What is Multiway Branching?
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Multiway branching provides mechanisms to choose between multiple execution paths based on conditional expressions. Verilog offers two primary constructs:
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if/else Statements - Priority-based conditional execution
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case Statements - Parallel multi-way selection
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Where Are They Used?
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Synthesizability
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IMPORTANT: Both if/else and case statements are SYNTHESIZABLE when used correctly in always blocks. They generate combinational or sequential logic depending on context.
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14.5.1 If/Else Statements
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14.5.2. Case Statements
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