ch1_010902 - Embedded Systems Design: A Unified...

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1 Embedded Systems Design: A Unified Hardware/Software Introduction Chapter 1: Introduction
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2 Embedded Systems Design: A Unified Hardware/Software Introduction, (c) 2000 Vahid/Givargis Outline Embedded systems overview What are they? Design challenge – optimizing design metrics Technologies Processor technologies IC technologies Design technologies
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3 Embedded Systems Design: A Unified Hardware/Software Introduction, (c) 2000 Vahid/Givargis Embedded systems overview Computing systems are everywhere Most of us think of “desktop” computers PC’s Laptops Mainframes Servers But there’s another type of computing system Far more common. ..
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4 Embedded Systems Design: A Unified Hardware/Software Introduction, (c) 2000 Vahid/Givargis Embedded systems overview Embedded computing systems Computing systems embedded within electronic devices Hard to define. Nearly any computing system other than a desktop computer Billions of units produced yearly, versus millions of desktop units Perhaps 50 per household and per automobile Computers are in here. .. and here. .. and even here. .. Lots more of these, though they cost a lot less each.
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5 Embedded Systems Design: A Unified Hardware/Software Introduction, (c) 2000 Vahid/Givargis A “short list” of embedded systems And the list goes on and on Anti-lock brakes Auto-focus cameras Automatic teller machines Automatic toll systems Automatic transmission Avionic systems Battery chargers Camcorders Cell phones Cell-phone base stations Cordless phones Cruise control Curbside check-in systems Digital cameras Disk drives Electronic card readers Electronic instruments Electronic toys/games Factory control Fax machines Fingerprint identifiers Home security systems Life-support systems Medical testing systems Modems MPEG decoders Network cards Network switches/routers On-board navigation Pagers Photocopiers Point-of-sale systems Portable video games Printers Satellite phones Scanners Smart ovens/dishwashers Speech recognizers Stereo systems Teleconferencing systems Televisions Temperature controllers Theft tracking systems TV set-top boxes VCR’s, DVD players Video game consoles Video phones Washers and dryers
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6 Embedded Systems Design: A Unified Hardware/Software Introduction, (c) 2000 Vahid/Givargis Some common characteristics of embedded systems Single-functioned Executes a single program, repeatedly Tightly-constrained Low cost, low power, small, fast, etc. Reactive and real-time Continually reacts to changes in the system’s environment Must compute certain results in real-time without delay
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7 Embedded Systems Design: A Unified Hardware/Software Introduction, (c) 2000 Vahid/Givargis An embedded system example -- a digital camera Microcontroller CCD preprocessor Pixel coprocessor A2D D2A JPEG codec DMA controller Memory controller ISA bus interface UART LCD ctrl Display ctrl Multiplier/Accum Digital camera chip
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This note was uploaded on 06/02/2011 for the course CS 550 taught by Professor Young during the Spring '11 term at New York Institute of Technology-Westbury.

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ch1_010902 - Embedded Systems Design: A Unified...

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