FPGA Design & Programming

A schematic design or a hardware description language (HDL) is provided by the user to define the behavior of the FPGA. The HDL form should be used to work with huge structures because it is feasible to exactly specify them by numbers rather than having to draw every piece manually. On the other hand, simpler visualization of a design is the main advantage of schematic entry.

Then, utilizing an electronic design automation tool, a technology-mapped netlist is created. The netlist can then be fitted to the real FPGA architecture using a method called place-and-route, usually executed by the FPGA Company’s proprietary place-and-route software. The user will validate the map, place and route results via timing analysis, simulation, and other verification methodologies. Once the design and validation process is done, the binary file generated (also using the FPGA company's proprietary software) is used to (re)configure the FPGA. This file is shifted to the FPGA/CPLD via a serial interface (JTAG) or to an external memory device.

VHDL and Verilog are the most common HDLs, though in order to minimize the complexity of designing in HDLs, which are in comparison to the equiponderant to the assembly languages, there are steps to increase the abstractiveness level through the introduction of substitute languages. For targeting and programming FPGA hardware, an FPGA add-in module is available to National Instruments' LabVIEW graphical programming language (sometimes referred to as "G").

Xilinx and Field Programmable Gate Arrays

Semiconductor Devices which are founded around a matrix of configurable logic blocks (CLBs) and linked through programmable interconnects known as Field Programmable GateArrays (FPGAs). These semiconductors can be reprogrammed for the intended applications and operational necessities after manufacture. Because of this distinctive feature, FPGAs are different from Application Specific Integrated Circuits (ASICs). ASICs are custom made for particular applications. Though one-time programmable (OTP) FPGAs are there, most types are based on SRAM which can be reprogrammed as the design advances.

ASIC and FPGAs have various value propositions, and they require to be carefully assessed before choosing any one over the other. Information is easily available about comparison between these two technologies. Today’s FPGAs thrust the 500MHz performance hurdle without any problem, though FPGAs used to be chosen for lower volume/speed/complexity design traditionally. With unprecedented logic density increases and a host of other features, such as embedded processors, DSP blocks, clocking, and high-speed serial at ever lower price points, FPGAs are an enthralling choice for nearly any type of design.

FPGAs are perfectly suitable for various markets. Being the pioneer in the industry, Xilinx offers extensive solutions comprising FPGA devices, advanced software, and configurable, ready-to-use IP cores for markets and applications such as: Aerospace & Defense, ASIC Prototyping, Audio, Automotive, Broadcast, Consumer Electronics, Data Center, High Performance Computing and Data Storage, Industrial, Medical, Security, Video and image processing, wired communication and wireless communication.

Field Programmable Gate Array Applications

From technical aspect, any computable problem can be solved using an FPGA. It is trivially cleared by the reality that a soft microprocessor can be implemented by FPGA. Their benefit keeps in that they are sometimes notably quicker for a number of applications because of their parallel characteristic and optimality in terms of the number of gates utilized for a particular method.

Specified uses of FPGAs comprise ASIC prototyping, digital signal processing, computer hardware emulation, software-defined radio, medical imaging, bioinformatics, computer vision, speech identification, cryptography, metal detection, radio astronomy and an increasing extent of other areas.

In the beginning, FPGAs started as challengers to CPLDs and contended in an analogous space, that of glue logic for PCBs. As their size, capacity, and speed enhanced, they started to takeover bigger and bigger functions to the point where few are now marketed as complete systems on chips (SoC). Especially with the launch of dedicated multipliers into FPGA architectures in the late 1990s, applications which had conventionally been the only reserve of DSPs started to incorporate FPGAs instead.

One more tendency on the usage of FPGAs is hardware acceleration, where one can use the FPGA to accelerate particular parts of an algorithm and share part of the computation between the FPGA and a general processor.

FPGA Design and Programming

A schematic design or a hardware description language (HDL) is provided by the user to define the behavior of the FPGA. The HDL form should be used to work with huge structures because it is feasible to exactly specify them by numbers rather than having to draw every piece manually. On the other hand, simpler visualization of a design is the main advantage of schematic entry.

Then, utilizing an electronic design automation tool, a technology-mapped netlist is created. The netlist can then be fitted to the real FPGA architecture using a method called place-and-route, usually executed by the FPGA Company’s proprietary place-and-route software. The user will validate the map, place and route results via timing analysis, simulation, and other verification methodologies. Once the design and validation process is done, the binary file generated (also using the FPGA company's proprietary software) is used to (re)configure the FPGA. This file is shifted to the FPGA/CPLD via a serial interface (JTAG) or to an external memory device.

VHDL and Verilog are the most common HDLs, though in order to minimize the complexity of designing in HDLs, which are in comparison to the equiponderant to the assembly languages, there are steps to increase the abstractiveness level through the introduction of substitute languages. For targeting and programming FPGA hardware, an FPGA add-in module is available to National Instruments' LabVIEW graphical programming language (sometimes referred to as "G").