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By Marilyn Wolf
Computers as elements: rules of Embedded Computing approach layout, 3e, provides crucial wisdom on embedded platforms expertise and strategies. up-to-date for today's embedded structures layout equipment, this variation good points new examples together with electronic sign processing, multimedia, and cyber-physical structures. writer Marilyn Wolf covers the newest processors from Texas tools, ARM, and Microchip know-how plus software program, working platforms, networks, buyer units, and extra.
Like the former variants, this textbook:
> makes use of genuine processors to illustrate either know-how and techniques
> indicates readers tips to follow ideas to genuine layout practice
> Stresses useful basics that may be utilized to evolving applied sciences and is helping readers achieve facility to layout huge, complicated embedded systems
Updates during this version include:
> Description of cyber-physical platforms: actual platforms with built-in computation to provide new capabilities
> Exploration of the PIC and TI OMAP multiprocessors
> High-level representations of platforms utilizing sign circulation graphs
> more desirable fabric on interprocess conversation and buffering in working systems
> layout examples comprise an audio participant, camera, cellphone, and more
Read or Download Computers as Components: Principles of Embedded Computing System Design (3rd Edition) (The Morgan Kaufmann Series in Computer Architecture and Design) PDF
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Additional resources for Computers as Components: Principles of Embedded Computing System Design (3rd Edition) (The Morgan Kaufmann Series in Computer Architecture and Design)
Example text
Based on those components, we can finally build a complete system. In this section we will consider design from the top down—we will begin with the most abstract description of the system and conclude with concrete details. The alternative is a bottom-up view in which we start with components to build a system. Bottomup design steps are shown in the figure as dashed-line arrows. We need bottom-up design because we do not have perfect insight into how later stages of the design process will turn out.
The use of small design teams for microprocessor-based systems is a selffulfilling prophecy—the fact that systems can be built with microprocessors by only a few people invariably encourages management to assume that all microprocessorbased systems can be built by small teams. Tight deadlines are facts of life in today’s internationally competitive environment. However, building a product using embedded software makes a lot of sense: Hardware and software can be debugged somewhat independently and design revisions can be made much more quickly.
Implementing several functions on a single processor often makes much better use of the available hardware budget. 2 Complex systems and microprocessors Programmability How many platforms? Real time Low power and low cost Smartphones as platforms 7 Given the small or nonexistent gains that can be had by avoiding the use of microprocessors, the fact that microprocessors provide substantial advantages makes them the best choice in a wide variety of systems. The programmability of microprocessors can be a substantial benefit during the design process.