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1、SoC设计方法与实现第一章 绪论OutlinesWhat is SoC SoC Design Trend&Challenges Class Project DescriptionOutlinesWhat is SoC SoC Design Trend&Challenges Class Project DescriptionWhat is SoC?SoC:System-on-ChipnComplex integrated circuit(IC)that integrates the major functional elements of a complete end-product into
2、a single chip using silicon intellectual property(IP)blocks.nDataquest 1995:Contains at lest one of MPU or DSP core and memory and more than 100k gatesSoC Design:system architecture+IC Motivation of SoC Application perspectivenMore complicated systemnLow cost of computation nHigher reliabilityEngine
3、ering design perspectivenShrinking product design schedulesnLack of time for product iterationsnDemand for high performancenDemand for smaller sizesnDemand for lower powerMulti-technology IntegrationExisting and predicted first integration of SoC technologies with standard CMOS processSource:2003 Te
4、chnology Roadmap for Semiconductors,IEEE Computer Society,January 2004 New Design Technology vs.Design CostGood news:progress in design technology is continue Design cost of power-efficient SoC Source:ITRS:2005Focus Shift Evolution of Design System ArchitectureSystem-level abstraction is emergingn E
5、xample,ESL designMultiple design files are converged into one efficient Data Model nExample:automated RTL implementationVerification of function,performance,testability and other design criteria all move to earlier,high level of abstraction followed bynEquivalence checkingnAssertion-driven design op
6、timizationIndustry standard interface for data access and controlSource:ITRS,2003Design Object ShiftExamples:Signal Integrity(SI)Source:conference papersNew Types of SoCPlatform-based SoCnFocus shifted from individual products to product platforms nMany IPs:hardware and software nApplication or arch
7、itecture related platformnShort develop timeMulti-core on a single chipnLow power-Allowed lower frequency without reduce the performance nDisadvantagenIncrease the complexity of software:compiler,debugger,OSSOPC:System on Programmable ChipSystem on Programmable Chip-SoPCInterfaceReconfigurableData-p
8、athFPGAARM8 CoreBerkeley Pleiades ProcessorBerkeley Pleiades ProcessorMany IPs+FPGA/CPLD on a chipnCustomizable:nChip was fabricated most of the waynOnly last few metal layers waiting for your custom partnField-programmable:nChip bought as it,customized by customer like FPGAnAllowed to change the fu
9、nctionality of the chip according to the applicationSummary of SoC DesignSoC design is a market product trendSoC design is an evolving processSoC design covers different aspectsSoC design is an art of integrationSoC design is challengingOutlinesWhat is SoC SoC Design Trend&Challenges Class Project D
10、escriptionClass ProjectAn ARM7 Based SoCModule Description-AHBCHardmacros:nARM7TDMInTICnSRAM modulePurpose Get a whole picture of SOC designnLearning by doingFind interest topic for your researchTask and Team Module design(&module spec)teamnClock&ResetnAHB ControllernMemory Controller (MEMC)nEmbedde
11、d SRAM Top level integration(&chip spec)teamnchip.vntestbench.vnExternal rom model:rom_32.vnVCS run script setupnCompiler&code templateBackend teamnSynthesisnSTAnFloorplan&placementnClk tree synthesis&RoutingnFormal verification,LVS&DRCProject management Need a project leader and 3 team leaders!Learning by doing is the best and fastest approachSoC设计方法与实现设计方法与实现郭炜郭炜 郭筝郭筝 谢憬谢憬Thank you