XC2V250-5FG256I

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Field Programmable Gate Arrays (FPGAs) are versatile integrated circuits used to create customisable computing architectures and electronic designs. XC2V250-5FG256I is a type of FPGA. FPGAs are, in many ways, different from conventional microprocessors because they are programmed using hardware logic instead of software. This article outlines the application field and working principles of XC2V250-5FG256I.

Application Field of XC2V250-5FG256I

XC2V250-5FG256I belongs to the Virtex-II of the Xilinx FPGAs family and has a capacity of 1.2M system gates. It has 210 user programmable pins and is available with 5V power and 3.3V I/O. This FPGA is suitable for a variety of designs, including:

• Consumer Digital Signal Processing: XC2V250-5FG256I is ideal for consumer electronics applications like audio, vision and speech processing, because of its low power consumption and wide dynamic range.
• Automotive Electronics: XC2V250-5FG256I can be used in automotive systems to control fuel injection, emission control and engine management.
• Medical Electronics: Its low power consumption enables XC2V250-5FG256I to be used in medical devices such as ECGs, EEGs and infusion pumps.
• Telecommunications: XC2V250-5FG256I has been used for 3G and 4G base station designs in telecom applications.

Working Principle of XC2V250-5FG256I

XC2V250-5FG256I is capable of creating custom digital architectures in a very short time. This is because of its two distinct properties:

• Programmable Logic: XC2V250-5FG256I can be programmed to respond to various inputs by customising the logic functions. It can be easily modified, as it is programmable on a hardware level and code mapping can be easily modified.
• Fast Processing: XC2V250-5FG256I runs at high speeds and can be used in high speed applications including 3G and 4G telecommunications.

XC2V250-5FG256I uses circuits that are made up of a multitude of cells. Each cell includes a 4 input Lookup Table (LUT), 4 registers, functions like timers and latches and an adder. These cells are connected together through fast internal buses, called "Configurable Logic Blocks" (CLBs). The connections between the cells are made by routing channels. Once the cells are connected, the programmer can write the coding in Verilog or VHDL to create the custom circuitry desired.

Apart from the ability to create custom designs, XC2V250-5FG256I also offers high-speed operation and low-power consumption. This enables it to be used in small form factor applications, such as mobile phones and PDAs. Xilinx is one of the leading FPGA vendors and provides a wide range of software tools and intellectual property cores which can be used to further accelerate design development.

Conclusion

XC2V250-5FG256I is one of Xilinx’s Virtex-II FPGAs and is used in many diverse applications such as audio, vision and speech processing, automotive systems, medical devices and telecommunications. Its ability to create custom digital architectures in a very short time makes it a highly desirable choice for many applications. Moreover, its low power consumption and high speed operation make it suitable for small form factor applications.

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