VHDL code for half adder using Dataflow | RTL Diagram , Simulation Code, Test Bench, Waveform | VHDL Complete Tutorial by TechWithCode

In This article, we will show you the VHDL Code of half adder using the Dataflow model.it contains VHDL code for RTL Diagram, Simulation Code and the waveform Half adder. During the execution of code, I have used Xilinx VIVADO  Software.
To understand the code, you should have the knowledge of the following Things.

What is Half Adder?

Half adder is a logical circuit that adds two binary digits and produces two outputs as sum and carry; XOR is applied to both inputs to produce the sum bit (S) and AND gate is applied to both inputs to produce carry bit (C) as shown in the picture below.

VHDL code for half adder using Dataflow | RTL Diagram , Simulation Code, Test Bench, Waveform | VHDL Complete Tutorial by TechWithCode
Half Adder



Logical Expression of Half Adder:-

out = not (A) 


Implementing Half Adder using Dataflow Modelling:-

  • we directly use gate-level-implementation in Dataflow modeling style
  • To know more about DataFlow model, click here

VHDL code for RTL Diagram of Half Adder:-



RTL Diagram of Half Adder:-

After executing the above code you will get following RTL Digram.

VHDL code for half adder using Dataflow | RTL Diagram , Simulation Code, Test Bench, Waveform | VHDL Complete Tutorial by TechWithCode



VHDL code for Simulation of Half Adder:-


Author @ Deepak Yadav

WaveForm of Half Adder:-

After executing the above code you will get the following WaveForm.
VHDL code for half adder using Dataflow | RTL Diagram , Simulation Code, Test Bench, Waveform | VHDL Complete Tutorial by TechWithCode

To know how to write code in VHDL using the DataFlow modeling style, please watch the following video.

        

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