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Project Description: In this project, you will design a simple Arithmetic Logic Unit ( ALU ) using Verilog Hardware Description Language ( HDL ) .

Project Description:
In this project, you will design a simple Arithmetic Logic Unit (ALU) using Verilog
Hardware Description Language (HDL). The ALU should be capable of performing four
basic arithmetic and logic operations: addition, subtraction, bitwise AND, and bitwise
OR.
Objective:
To develop a comprehensive understanding of Verilog HDL for hardware
description.
To design and implement a simple ALU with four basic functionalities.
To explore structural, dataflow, and behavioral modeling techniques in Verilog.
Tasks:
1. ALU Design:
o Define inputs and outputs of the ALU.
o Select four essential arithmetic and logical operations to implement (e.g.,
addition, subtraction, AND, OR).
o Create a block diagram representing the ALU's structure.
2. Verilog Modules:
o Develop a top-level ALU module with appropriate input/output ports.
o Design separate modules for each of the four chosen operations, utilizing
a combination of structural and behavioral modeling approaches.
Modules: Adder, Subtractor, AndGate, OrGate, and ALU (toplevel
module).
The ALU design should be modular, comprising separate modules
for each functionality.
Implement the modules using structure, dataflow, and behavioral
modeling as below:
1. Utilize structural modeling for Adder, Subtractor, and logic
gates.
2. Implement dataflow modeling for connecting the modules.
3. Utilize behavioral modeling for the top-level ALU module.
3. Input/Output:
o The ALU should take two 4-bit inputs (A and B).
o Include a 3-bit control input (OpCode) to select the operation:
3'b000: Addition
3'b001: Subtraction
3'b010: Bitwise AND
3'b011: Bitwise OR
o Output the result (Result) of the selected operation.
4. Testing and Simulation:
o Test various combinations of input values and control codes to ensure
the ALU operates as expected. Apply a variety of input test cases to
cover all possible combinations.
o Simulate the ALU Components/Modules using a Verilog simulator and
analyze the results
o Simulate the ALU using a Verilog simulator and analyze the results.
5. Documentation:
o Provide clear and concise comments within the Verilog code for better
understanding.
o Prepare a well-formatted project report detailing the design process,
code implementation, simulation results, and conclusions.
Evaluation:
Correctness of the ALU's functionality.
Efficiency of the Verilog code.
Quality of the simulation results.
Clarity of documentation and project report.
Additional Guidelines:
Adhere to Verilog coding conventions and best practices.
Consider using a design hierarchy for better organization.
Thoroughly test the ALU under various input scenarios.
Document any assumptions or design choices made during the project.
Submission Requirements:
You need to submit the following files as one compressed folder (e.g.,.zip, .rar) for
your project by January, 23rd,2024(up to midnight). Then, name your folder as
(hdlProject_LastName_FirstName_StudetnsID.zip).
Verilog HDL source code for each module. Verilog code for the ALU and its
modules.
Simulation files. The simulation results (waveforms) of every individual
component.
The schematic files for the whole system (that shows the structural modeling of
the final system design)
Comprehensive project report (in PDF format), including design details,
simulation results, and conclusions.
The project discussion will be based on the above bullets, as well as, you will be
asked to slightly modify the system. This way, we can assess your
understanding of the project.

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