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14.7.3. Generate case Statement

The generate case statement selects one of multiple hardware configurations based on a parameter value. It provides a cleaner alternative to if-else-if ladders when selecting among many options.

Syntax and Structure

Verilog

Key Characteristics

Expression must be constant (parameters/constants)

Only ONE case branch is elaborated

default is recommended for complete coverage

Each branch needs a unique label

Basic Examples

Verilog

Generate if

Advanced Generate technique

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