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Fundamentals of Embedded [email protected]
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Professional SpecialtySmart phoneLinux and WinCE
platformApplication and LibInstant MessageVOIP-Session Initiation
Protocol (SIP)Embedded Linux
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(3)( )ARM(3)DSP(3)(3+3.)(3+3.)(3+3)
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(1-2)//(4,6)I/O(5)/RTOS(7)(8)
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Embedding a
computerCPUmeminputoutputanaloganalogembeddedcomputerRing! Ring!
Ring!
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RTOSVxWORKsNucleus PalmWindows CELinux
SoCARMMIPSRambusMentorSynopsysInsiliconDSP
GroupVirageLogicArtisanParthusNTT DoCoMoiMode3GWEB 2.0
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About your workLib ,portingBoot LoaderOS portingdriver ,(IC
Design SOC)
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Software Engineer SkillC/C++Java(J2ME,J2SE,J2EE)Linux
(OS,Program,Application)WINCE (.NET)PlatformSocketThreadPorting
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I/O
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Real-time performancehard real-time: if deadline missed system
has failed (car brakes!)soft real-time: missing deadline degrades
performance (skipping frames on DVD playback)Real-world I/O
performancesensor and actuators require continuous I/O (cant batch
process)Costhardware/Softwarestructures, particularly memorystatic
code size very important (cost of ROM/RAM)often ship millions of
copies (worth engineer time to optimize cost down)Powerexpensive
package and cooling affects cost, system size, weight
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???? ? ????
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MP3 Player DesignGoalFunctionsMP3/MP3
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SolutionsMP3/MP3 (/)MP3CPUSOC ( System On Chip )
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Internet-enabled embedded systemInternet appliancesIP
addressReal time? or notPDA
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Smart Phone-(Active Sync)PDAMorePDA Phone Smart Phone
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Linux for Embedded SystemLinux Linux UNIX UNIX PC Desktop
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Java(J2ME,J2SE,J2EE)
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J2ME
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Google MapJ2MEGoogle Map
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Windows CE 62006/6/20Windows CE 6 beta3232000Visual Studio
20051996Windows CE 1.0CECPU,,
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Boot LoaderBoot LoaderResetBoot Loader BIOSOS LoaderLILOGRUB
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SoC-System on Chip(System-on-chipSoC)SoC()MPUDSPSoCEmbedded
MemoryRAMROMFlashControl Logic CircuitBus
InterfacePCIAGPUSBIEEE1394Embedded
SoftwareRTOSMiddlewareFirmware
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SoC
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SoCSoC0.25um1MBReusable IPConfigurabilityProgrammabilityReal
World Interface
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Silicon Intellectual Property(SIPIP)Design ReuseSoC(Silicon
Intellectual Property; SIPIPICICIPICICARM is a kind of
IPhttp://nsoc.eic.nctu.edu.tw/chinese.asp
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WEB 2.0Googlemp3.com Napstercontent management systems
wikisOfoto Flickr Flickr N Flickr Nokia N93Nokia N73 Nokia N72
