R

Appendix B: Verilog Details

begin TCSnkDip2ErrRequest <= 1'b1;

SnkDip2ErrRequestCnt <= {$random(`RANDOM_SEED + $time)} % 9; end

end

//Sends a random sized packet to a random channel if (RandTask == 0)

begin

tasks.send_packet({$random(`RANDOM_SEED + $time)} % (`NUM_CHANNELS

-1), ($random(`RANDOM_SEED + $time) % 255) + 1'b1); end

//Sends a random sized packet to a random channel. Also SOP, EOP, and //Err are randomized

else if (RandTask == 1) begin

tasks.send_user_data({$random(`RANDOM_SEED + $time)} % 2,

{$random(`RANDOM_SEED + $time + $random(`RANDOM_SEED))} % 2,

{$random(`RANDOM_SEED + $time + $random(`RANDOM_SEED + $time))} % 2, {$random(`RANDOM_SEED + $time)} % (`NUM_CHANNELS - 1), ($random(`RANDOM_SEED + $time) % 255) + 1'b1);

end

//Sends a random number of idles to the Sink Core else if (RandTask == 2)

begin

tasks.send_idles(({$random(`RANDOM_SEED + $time)} % 10) + 1); end

//Sends a random number of training patterns to the sink core else if (RandTask == 3)

begin

tasks.send_training(({$random(`RANDOM_SEED + $time)} % 10) + 1); end

else begin

@ (posedge RDClk2x);

$display("Out of Range: %0d", $time); end

end

54

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SPI-4.2 v8.5 Getting Started Guide

 

 

UG154 March 24, 2008

Page 54
Image 54
Xilinx UG154 manual Appendix B Verilog Details

UG154 specifications

Xilinx UG154 is a comprehensive user guide that provides in-depth information about the architecture, features, and technologies of Xilinx's FPGA (Field Programmable Gate Array) devices. This guide is particularly vital for developers, engineers, and designers who work with Xilinx products, as it serves as a key resource throughout the development lifecycle.

One of the main features of Xilinx UG154 is its coverage of the device architecture, which details the programmable logic cells, configurable interconnects, and I/O capabilities. Xilinx FPGAs are known for their flexibility and scalability, allowing designers to implement complex digital circuits and systems that can be modified post-manufacturing, enabling rapid prototyping and iterative design processes.

Another key aspect highlighted in UG154 is the technological advancements in the latest Xilinx architectures, such as UltraScale and UltraScale+. These architectures incorporate advanced process technologies, providing improved performance and power efficiency. High-speed serial transceivers, embedded processing capabilities, and extensive memory options are also discussed, showcasing how these features enhance system integration and reduce design time.

The guide also delves into Xilinx's software ecosystem, featuring the Vivado Design Suite, which streamlines the design process through integrated design tools and a unified development environment. The Vivado suite supports various high-level synthesis, simulation, and analysis tools, facilitating a smoother transition from concept to implementation.

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Another focus of UG154 is the emphasis on design best practices and optimization techniques that can be employed to maximize the capabilities of Xilinx devices. Topics such as timing closure, resource optimization, and power management are among the critical areas addressed, which help designers achieve the desired performance within the constraints of their applications.

Overall, Xilinx UG154 serves as a vital resource that equips engineers with the knowledge and tools necessary to leverage the full potential of Xilinx FPGAs. By understanding the features, technologies, and architectural characteristics detailed within this guide, designers can create innovative solutions across a range of applications, including telecommunications, automotive, aerospace, and industrial automation.