XC95108-20PC84C

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Embedded CPLDs (Complex Programmable Logic Devices) are special types of integrated circuits that are programmed individually to tailor logic functions to needs. They are becoming increasingly popular in embedded systems due to their flexibility and ability to reduce power consumption. XC95108-20PC84C is an CPLD device manufactured by Xilinx, which is optimized for high density applications. This article will provide an overview of the XC95108-20PC84C application field and its working principle.

Applications

The XC95108-20PC84C provides a single chip solution for system designers who require dense logic integration with maximum control. The device provides a large number of programmable logic blocks, which are configured using embedded RAM bits, flip-flops, and CPLD-specific logic blocks. This makes it ideal for applications such as board control devices, motion and signal controllers, video signal processing, and communication gateways. Some of the applications of the XC95108-20PC84C are listed below.

• Digital Control Systems– XC95108-20PC84C is used to provide programmable logic control for motor speed, arm positioning, and other position control systems. It is also used in robotics, automotive, and industrial system designs.
• Communication Gateways– The XC95108-20PC84C can be used in conjunction with microcontrollers and FPGAs in communication gateways that enable device interoperability. It is ideal for designs such as traffic light control gateways and industrial gateways.
• Video Signal Processing– The XC95108-20PC84C can be used in video signal processing designs where it can be used to do scaling, anti-aliasing, motion estimation and more.
• Data Path- XC95108-20PC84C provides the user with a single chip solution for data rate conversion, 3-D image processing, image filters, and other computationally intensive operations.

Working Principle

XC95108-20PC84C consists of a series of logic blocks that can be individually programmed to perform custom functions. These logic blocks consists of D-type flip-flops, PALs, PLA and CPLD-specific logic blocks. These blocks work in conjunction with the Xilinx ISE® design software, which is an integrated development environment for Xilinx FPGAs and CPLDs. Each function is written in VHDL code and downloaded to the XC95108-20PC84C device through the iMPACT® configuration tool.

When applying the logic to the XC95108-20PC84C, it is broken down into Boolean expressions, which are combined to form a hierarchical description of the logic. This description is then synthesized into a netlist, which is passed through the Xilinx iMPACT software, which creates a symbol map and a CPLD implementation report. Finally, the implementation report is used to generate a programming file, which is then downloaded to the device.

Conclusion

The XC95108-20PC84C provides a single chip solution for high density programmable embedded logic. The device is compatible with VHDL and the Xilinx ISE software, providing an efficient and easy to use development environment. It is ideal for applications such as board control, motion and signal controllers, video signal processing, and communication gateways.

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