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Difference Between FPGA and Microcontroller

Last Updated : 24 Sep, 2024
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In the category of embedded systems, on one hand we have FPGA (Field Programmable Gate Arrays) and microcontrollers on the other hand, though both are important in the systems but are developed for different purpose. Supplied here is Information on this paper that will assist engineers and developers in the selection of the best option between the two types of heat exchange equipment. FPGAs provide more flexibility and parallel processing capability as compared cost effective microcontroller which are good for simple applications. Now let us explain the difference between FPGA and microcontroller in a more elaborate manner.

What is FPGA(Field Programmable Gate Array)?

FPGA stands for Field Programmable Gate Array. It is a reprogrammable chip which is a collection of hundreds of thousands of logic gates that connects internally together to build a complex digital circuit. Basically, FPGA is an integrated circuit that can be programmed by the user to capture the logic.

FPGA
FPGA

Advantages of FPGA (Field Programmable Gate Array)

  • It is capable of capturing 100,000+ designed gates.
  • It provides standard interfaces.
  • It also provides built-in memories, processor cores, and many more.
  • It is cheap for small volumes because one does not need to pay for fabrication.
  • It is flexible.

Disadvantages of FPGA (Field Programmable Gate Array)

  • For large volumes, FPGA is quite expensive.
  • It has limited size options.
  • Limited performance.

What is a Microcontroller?

Microcontroller is an autonomous computer system reduced in size which is used to control certain operations that are embedded in a system. It has RAM, ROM, I/O ports and peripherals all on a single chip and it is ideal for controlling devices in different areas of application which include home appliances, automotive systems and many more industrial machines. Microcontrollers are set using assembly language or C and other upper level languages and are sequential control microprocessors.

Components of Microcontroller
Microcontroller

Advantages of Microcontrollers

  • They are simple to program.
  • They are affordable.
  • Microcontrollers are cost-effective.

Disadvantages of Microcontrollers

  • They are not ideal for complex applications and can work on only simple applications.
  • Hardware is limited.
  • The processing power of microcontrollers is slow.

Difference between FPGA and Microcontroller

FPGAMicrocontroller
It is based on hardware connection or wiring through programming.It is based on software programming to execute the instruction.
It does not have a fixed hardware structure.It has a fixed hardware structure.
It supports Hardware Description Language.It supports C, C++, C#, and many more.
No portability across tools.Open-source tools are available.
Processing power is high.Processing power is low.
It require more skill to use.Easy to use.
Ideal for more complex applications.Not always ideal for complex applications.
It is costly.They are affordable.
It focuses on parallel execution.It focuses on serial execution.

Conclusion

Again, this is the reason why deciding between an FPGA and a microcontroller depends on the certain project. Whether the application ought to be processed in high-speed, in parallel or whether the design is ready for custom hardware, the FPGA is most suitable. But for basic, cheap utilitarian operations, which do not need extensive calculations, there is no better solution than a microcontroller. Each option has its positive and negative aspects, and, by choosing the most appropriate solution, the performance and efficiency of the work with increase, as well as saving money.


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