Designing SOCs with Configured Cores. Unleashing the by Steve Leibson

By Steve Leibson

  • Designing SOCs with Configured Processor Cores is an important reference for system-on-chip designers. This well-written booklet supplies a realistic creation to 3 easy innovations of recent SOC layout: use of optimized typical CPU and DSP processors cores, application-specific configuration of processor cores, and system-level layout of SOCs utilizing configured cores because the key development block. Readers will locate it is usually the 1st publication they achieve for in defining and designing their subsequent chip. — Chris Rowen, President and CEO, Tensilica, Inc. we are poised near to a revolution in computing. rather than fixed-architecture processors appropriate purely to general-purpose computing or special-purpose electronic sign processing projects, we are relocating to system-on-chip (SoC) units containing a number of processor cores, every one configured to accomplish particular initiatives with severe functionality whereas eating ultra-low energy. The surf is up - and this publication tells us easy methods to trip the wave! — Clive “Max” Maxfield, President, TechBites Interactive and writer of The layout Warrior’s consultant to FPGAs Steve Leibson's booklet is a gradual advent to the artwork of electronic electronics layout taking pictures a huge second within the production of the full approach on a chip. Generously dotted with block diagrams and snippets of code utilizing the car offered by means of Xtensa expertise, the ebook takes the reader in the course of the evolution that resulted in a number of cores and configurable engines. — Max Baron, Senior Analyst on the Microprocessor document

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10 presents a detailed, systematic flow for efficient MPSOC design. 2. Instead of corralling the system-design process into one small process box, the MPSOC design flow encapsulates the ASIC implementation flow in one box and details the tasks required to create an overall design that meets system-design goals. Because SOC prototyping is next to impossible, this systematic approach to MPSOC design focuses on extensive system and subsystem simulation, performed early and often. Simulation should start during architectural design, long before any RTL is written.

It does ask SOC designers to unshackle their thinking from the many limitations previously imposed by 20th-century microprocessors and processor cores discussed in Chapter 1. 1 SYSTEM-DESIGN GOALS All system designers have three major tasks" 9 achieve system-design goals 9 minimize project costs 9 reduce design risks At the same time, rising system complexity conspires to make these tasks increasingly difficult. For example, a system designed in 1995 might have Chapter 2 9 The SOC Design Flow 34 simple I/O requirements such as a few parallel and asynchronous serial ports.

12 System design using shared memory. One of the advantages of the MPSOC design style advocated in this book is that the methodology allows the SOC design team to experiment with the various interconnection schemes listed above and to measure, through simulations of the incrementally refined system model, how the system architecture responds to the use of the different interconnection methods. In general, the design team should be looking for the lowest-cost interconnection method that meets system-performance goals.

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