Xilinx XAPP169 manual System Implementation, Software Architecture

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MP3 NG: A Next Generation Consumer Platform

ALE

CS

RD or WR

AD[7:0] ADDR DATA

R

System Implementation

Figure 13: USBN9602 Read / Write Cycle Timing

(Courtesy National Semiconductor)

This section describes how all of these pieces are integrated into a complete system. First described is the software architecture and the functionality of the key modules. Next is the architecture and implementation of the logic contained in the Spartan-II FPGA.

Software Architecture

The system software required to implement this device is shown in Figure 14. The software components fall into four categories:

•RTOS. A Real Time Operating System is included in the software architecture in order to simplify the management of resources and concurrent activities.

•BIOS. The Basic Input Output System functions provide low level device management functions and hardware abstraction.

•Protocol Stacks. These modules implement the network protocol layers for the communications interfaces.

•Management Processes. These modules implement the application levels functions, and these run as processes under the RTOS.

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www.xilinx.com

XAPP169 (v1.0) November 24, 1999

 

1-800-255-7778

 

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Contents MP3 NG a Next Generation Consumer Platform SummaryIntroduction MP3 BackgroundSolution Overview MP3 TechnologyMP3 NG a Next Generation Consumer Platform MP3 NG System Block Diagram IDT RC32364 RISControllerRC32364 Block Diagram RC32364 Read Timing CS4343 Block Diagram Crystal CS4343 Stereo DACControl Port Timing KM29U64000T Block Diagram Samsung Flash MemoryMicron Sdram Memory KM29U64000T Read TimingMT48LC1M16A1 Block Diagram National Semiconductor Function ControllerSystem Implementation Software ArchitectureUI Manager MP3 Decoder and Audio ISRXilinx Spartan Memory ManagerBlock Mapping Code InitializationFpga Logic Block Diagram IP Bus ControllerCPU Interface Block Diagram CPU InterfaceLCD Controller CpumasterclkLCD Controller Block Diagram LCD Controller Interface Signal SummaryMemory Interface Block Diagram Memory InterfaceSdram Controller Interface Signal Summary Type Description Sdram ControllerFlash Controller Error Handling PerformanceIrda Controller Block Diagram Irda ControllerAudio DAC Interface Block Diagram Audio DAC InterfaceAudio DAC Interface Signal Summary Type Description Touch Screen InterfaceConclusion Spartan Device SelectionTotal 500 137 References Revision History Date Version # Revision 11/24/99 Initial release

XAPP169 specifications

Xilinx XAPP169 is a pioneering application note that delves into the design and implementation of high-performance digital signal processing (DSP) systems. It serves as a reference guide for engineers and designers looking to leverage Xilinx Field Programmable Gate Arrays (FPGAs) for sophisticated DSP applications. The document provides a comprehensive overview of the techniques and methodologies necessary to harness the power and flexibility of FPGA technology in DSP design.

One of the main features of XAPP169 is its focus on the integration of various DSP functions, including filtering, modulation, and Fourier transforms. By utilizing the inherent parallelism of FPGAs, designers can achieve significant performance enhancements compared to traditional DSP implementations. This parallel processing capability allows for real-time processing of high-bandwidth signals, making XAPP169 ideal for applications such as telecommunications, aerospace, and medical imaging.

The application note emphasizes the use of Xilinx’s advanced tools and libraries, such as the Xilinx System Generator for DSP and the Xilinx Vivado Design Suite. These tools facilitate the modeling, simulation, and synthesis of DSP algorithms tailored to specific requirements, enabling a rapid development cycle. By providing pre-optimized building blocks and IP cores, XAPP169 streamlines the design process, reducing time-to-market for new products and innovations.

Additionally, XAPP169 highlights the ability to leverage high-speed serial transceivers present in Xilinx FPGAs. These transceivers enable reliable transmission of data across long distances with minimized latency and optimized bandwidth utilization. The application note outlines various techniques for managing signal integrity and maximizing throughput, ensuring that designs can meet the stringent requirements of modern DSP applications.

Another characteristic of XAPP169 is its attention to resource utilization and optimization strategies. The document discusses how to balance performance with area and power consumption, which is crucial in embedded applications where space and power are at a premium. By employing advanced synthesis strategies and leveraging the capabilities of Xilinx’s architecture, designers can create efficient and scalable DSP systems.

In summary, Xilinx XAPP169 serves as an invaluable resource for engineers seeking to harness the capabilities of FPGAs in DSP applications. With its focus on high-performance design, integration of advanced tools, and optimization strategies, it opens up new possibilities for innovation in various fields where digital signal processing is essential.
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