Xilinx Blocks

Block Parameters Dialog Box

The Xilinx depuncture block can be configured using its Block Parameters dialog box.

Figure 3-33: Depuncture block parameters dialog box

Parameters specific to the Xilinx Puncture block are:

∙Depuncture Code: specifies the depuncture pattern for inserting the string to the input.

∙Insert Symbol: specifies the binary word to be inserted in the depuncture code.

Other parameters used by this block are described in the Common Parameters section of the previous chapter.

The Depuncture block does not use a Xilinx LogiCORE.

Interleaver Deinterleaver

The Xilinx Interleaver/Deinterleaver block implements an interleaver or a deinterleaver. An interleaver is a device that rearranges the ordering of a sequence of symbols in a one-to-one deterministic manner. Associated with any interleaver is a deinterleaver, a device that restores the reordered sequence.

When the block is in interleaver mode, the input data sampled on the din port shall be multiplexed into and out of B shift registers onto the dout port using two (synchronized) commutator arms,

as illustrated in the figure below. B is the number of branches as entered in the block’s parameters dialog. Branch 0 shall have a shift register of zero length. Branch 1 shall have a shift register of length L. Branch 2 shall have a shift register of length 2L. Branch (B-1) shall have a shift register of length (B-1)L. L is the branch length constant entered as an array with a length of one.

Communication

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Xilinx V2.1 manual Interleaver Deinterleaver, Depuncture block parameters dialog box
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V2.1 specifications

Xilinx V2.1 is a notable iteration in the series of versatile and robust Field-Programmable Gate Arrays (FPGAs) developed to cater to a wide range of applications. Launched to provide enhancements in performance and flexibility, V2.1 embodies sophisticated technologies and features that stand out in the electronics industry.

One of the primary features of Xilinx V2.1 is its improved processing power. The architecture has been optimized to support higher clock speeds and increased logic density, allowing for more complex designs to be implemented effectively. This boost in performance is facilitated by utilizing advanced silicon technologies, which significantly reduce power consumption while maximizing efficiency.

Another significant characteristic of Xilinx V2.1 is its enhanced I/O (Input/Output) capabilities. The device supports a variety of industry-standard interfaces, which include PCI Express, SATA, and various serial communication protocols. Such adaptability ensures seamless integration into existing systems, providing engineers with the flexibility to adapt to various application requirements without the need for substantial redesign efforts.

Xilinx V2.1 also features improved scalability, making it a prime choice for applications that demand diverse performance levels. This device supports an array of configurations and can be used in small-scale projects as well as in larger, more demanding environments requiring extensive resources. This scalability is further aided by support for multiple development platforms, enabling rapid prototyping and simplifying the design process.

Security is increasingly becoming a priority in digital design, and Xilinx V2.1 addresses this concern via hardware security features. It includes enhanced encryption protocols and secure boot functionalities, which help protect intellectual property and sensitive data from unauthorized access.

Additionally, the integration of advanced DSP (Digital Signal Processing) blocks allows Xilinx V2.1 to efficiently handle data-intensive tasks such as video processing and real-time signal analysis. These capabilities make it suitable for applications in telecommunications, automotive systems, and industrial automation.

Xilinx V2.1 also benefits from a rich development environment, including robust software tools that facilitate design entry, simulation, and verification. The support for industry-standard programming languages like VHDL and Verilog simplifies the development process, enabling engineers to design complex systems more efficiently.

In summary, Xilinx V2.1 stands out due to its impressive combination of high performance, flexibility, scalability, security, and comprehensive development support. These features make it a valuable asset for engineers and developers looking to innovate across various sectors, from telecommunications and automotive to industrial applications.
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