armkinetis basic清華工程物理系

ARMCortex

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Page 是面向大學(xué)生的具有探索性的工程實(shí)踐活動。競賽自2005年創(chuàng)辦以來均被教育部、財(cái)政部批準(zhǔn)列入高等教育教學(xué)質(zhì)量與教學(xué) ARMCortex

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PageARMCortex

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PageThen“是最好的老師”，對于大學(xué)生本科教育仍然如此。如何提升課程的趣味性，學(xué)習(xí)熱情，讓學(xué)生愉快地玩精神和探索精神（Open&Creative）ARMCortex

PageARMCortex

Page scaleKinetisKL25(ARMCortex000 InnovationInnovationBox下鍵下鍵-左鍵-上鍵-左鍵-上鍵-ARMCortex

2007by

Page Page謝謝&！PageOurwishes Blazar ARMCortex

PageARMAcornComputerGroupdevelopedworld’sfirstcommercialRISCprocessorin1985RogerWilsonandSteveFurberweretheprincipleARM(AdvancedRISCMachines)wasaspinoutfromAcornin1990withgoalofdefininganewmicroprocessorstandardPageARMARMdeliveredARM6inIntroduced32bitaddressingNewinstructionforprogramstatusVariantusedinAppleNewtonBy1996ARM7wasbeingwidelystartedportofWinCEtoAddedmultimediaExponentialgrowthfromthenPageARMinARMCortex

PageFlash:32MBx電源接USBHost接口×1USBHost接口×1USBDevice接口接口鍵ARMCortex

PagePage 造商無需自己設(shè)計(jì)CPU,是生產(chǎn)關(guān)系的 ARMARMARMARMCortexApplicationReal-time

ProcessorARMand gainedcertainIPfromARMaspartoflawsuitsettlementandmodifiedARMarchitecturebrandingitasStrongARMStrongARMnamewaschangedtoProcessorSA1000,XScaleisclosetoARMv5instructionXScaledivisionof wassoldtoMarvelInc.inofARM

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ARMARMV4是目前支持的最老的架構(gòu),是基于32-bit地址空間的32-bit指令集。ARMv4除了支持ARMv3ARMv4T增加了16-bitThumb指令集，這樣ARMThumb體系增加了一個新的指令同時(shí)改進(jìn)了Thumb/ARM相互作用、編譯能力和混合及匹配ARM與Thumb例程，以更好地平衡代碼空間和性并在ARM ISA上擴(kuò)展了增強(qiáng)的DSP 指令集:增強(qiáng)的DSP指令包括支持飽和算術(shù)（saturatedarithmetic）,并且針對AudioDSP應(yīng)用提高了70%性能?！瓻’擴(kuò)展表示在通用的CPU上提供DSP能 Thumb-2和TrustZone技術(shù)也用于ARMv6中。ARM1156T2(F)-S和ARM1176JZ(F)-S所有ARMv7profiles實(shí)現(xiàn)Thumb-2技術(shù)，同時(shí)還包 吐量400％，并提供浮點(diǎn)支持以滿足下一代3D圖 ，ARM7TDMI- 性能：0.9MIPS/MHz可達(dá)到性能：1.1MIPS/MHz，可達(dá)300MIPS(Dhrystone2.1)，單32-bitAMBAbusARM926EJ-S,RM946E-S,ARM966E-S,ARM968E-S,性能：1.1MIPS/MHz，可達(dá)300MIPS(Dhrystone2.1)，高性能AHB,軟核（soft 性能：1.35MIPS/MHz，可達(dá)430+Dhrystone2.1MIPS，，可選支棧（ReturnStack）。強(qiáng)大的ARMv6指令集，支持SIMD(SingleInstructionMultipleData)擴(kuò)展，支持ARMTrustZone、Thumb-2技術(shù)。740Dhrystone2.1MIPS，低功耗Cortex-A系列:面向用于復(fù)雜OS和應(yīng)用的應(yīng)用處理器（applicationsprocessors），支持ARM,ThumbandThumb-2指令集。處理器，支持ARMThumb,和Thumb-2指令集。式處理器，只支持Thumb-2指令集ARMDesignARMcoreusesRISCReducedinstructionLoadstoreLargenumberofgeneralpurposeParallelexecutionswithButsomedifferencesfromEnhancedinstructionsThumbDSPConditionalexecution32bitbarrelCortex-M3/4采用了ARMV7哈佛架構(gòu)，具有帶分支預(yù) Cortex-M0采用了ARMV6Cortex-M0處理器是使用最少門數(shù)的ARMCPU, 所以Cortex-M3/4處理器對多個操作并行執(zhí) 與Cortex-M3/4不同，Cortex-M0 與Cortex-M3/4不同，在Cortex-M0中，缺少FAULTMASK和BASEPRI，對應(yīng)NMI Cortex-M3/4處理器采用單一 低有效位置位，那么bit-band位為1，如果使其最低有效位 Page “傳統(tǒng)的位處理方法和Cortex-M3bit-banding此外，基于傳統(tǒng)ARM7持 只有沿著對齊的字邊界才可以對數(shù)據(jù)進(jìn)行 和 。Cortex-M3據(jù) Cortex-M0不支持bit-banding，也不支持非對 NVICCortex-M處理器中一個完整的部分。NVIC最多可支持240個外部中斷，每個外部中斷最多可具有256個可重新動態(tài)劃分的不同優(yōu)先級別。它支持優(yōu)先級別中斷源和脈沖中斷Cortex-M(復(fù)位向量有堆棧MSP初值。。。

Page在Cortex-M0中支持最大32個不同的中斷源。CortexM0的斷向量表不是可重定位的，而CortexM0+則可能允許重定位。ThepriorityregistersintheCortex-M0areonly2bits.Asaresult,onlyfourprioritylevelsareavailableforinterruptsandsystemexceptionswithconfgurablepriority.ThereisnodynamicpriorityswitchingsupportintheCortex-M0processor,sothepriorityofinterruptandexceptionsarenormallyprogrammedatthebeginningoftheapplicationandremainunchangedafterwards.ARMCortex

Page可以在硬件中處理堆棧操作，Cortex-M處理器免去了在傳統(tǒng)的C語言未決的中斷之間的移動。末尾連鎖技術(shù)把需要用時(shí)30個時(shí)鐘周期才能完復(fù)，比軟件執(zhí)行用時(shí)更少，大大提高了頻率為100MHz的子系統(tǒng)的性能。級設(shè)計(jì)的總體成本。 CortexM0/M0+CortexM0為3級流水，CortexM0+為2Thumb(most),missingCBZ,CBNZ,Thumb-2(subset),onlyBL,DMB,DSB,ISB,MRS,MSR.32-bithardwaremultiply,1-cycleor32-CortexM0ARMCortexM3toTheCortex-M4featuresDSPinstructions,suchasasingle-cyclemultiply-accumulate(MAC)unit,optimizedsingleinstructionmultipledata(SIMD)instructions,saturatingarithmeticinstructionsandanoptionalsingleprecisionFloating-PointUnit(FPU).PageCortex-M一個DAP調(diào)試接口，在實(shí)際中，可以連接不同CortexM3/M4支持JTAG和SWD的雙支持，而CotexM0構(gòu)例如scaleKinetisK系列可使用JTAG或者SWD調(diào)試，而scaleKinetisKL系列則只能使用SWD調(diào)Cortex-M：：USBDM目前通過BDM接口支持S08，S12，ColdFireV1的調(diào)試，通過SWD接口支持KintetisK和KinetisKL系列處理器的調(diào)試。 ARMCortex

PagePageARM7vsCortex-ARMCortexARM發(fā)展到CortexM3/M4，相當(dāng)于從微機(jī)到小型機(jī)， ARMCortex

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PowerBroadportfolioofhighlyrobustandscalable8-bitMCUsscaleDesignPotential.ARM?Cortex?-M–Over300compatibleultra-lowpowerARMCortex-M0+andhigh-performanceARMCortex-M4MCUs

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PageARMCortex

PageKinetisARMCortex-M4 ARMCortex-M4 PinCompatibilityAcrossPagePinCompatibilityAcrossMemoryMapofKinetis16-bitUpto4pairsofdifferentialand24single-endedexternaloginputsOutput-differential16-bit,13-bit,11-bitor9--single-ended16-bit,12-bit,10-bitand8- bleGainAmplifier(PGA):uptox64-Amplifylow-amplitudesignalsbeforetheyarefedto-Onlyworkwithdifferentialinput(rangefrom0~1.2V±ADCconversionclkfrequency for≤13-bit- for16-bitADCconversion18.484~818.33 for≤13-bit37.037~361.402Kspsfor≤13-bit(continousconversion,peripheralclk=50MHz,noADChardwareConversioncomplete/hardwareaveragecompleteflagandSelectablehardwareconversiontriggerwithhardwarechannelAutomaticcomparewithinterruptforless-than,greater-thanorequal-to,withinrange,orout-of-range,progr blevalueog

Operatesovertheentiresupply blehysteresisSelectableinterruptonrisingedge,fallingedge,orbothrisingorfallingedgesofcomparatoroutputSelectableinversiononcomparatorComparatoroutputmayDigitallyFiltercanbeCanbeclockedviaexternalSAMPLEsignalorscaledbusclockSupportDMAAcomparisoneventcanbeselectedtotriggeraDMAtransfer.TwosoftwareselectableperformanceShorterpropagationdelayattheexpenseofhigherpowerTd=50ns(typ.)-Lowpower,withlongerpropagationdelayTd=250ns(typ.)VoltageVREFV1canbeusedinmedicalapplicationssuchasglucosemeterstoprovideareferencevoltagetobiosensorsorasareferenceto ogperipheralssuchastheADC,DAC,orCMP.Lowpowermode:VREFV1canonlybeusedforinternalUSBVoltageRegulatorTheUSBVoltageRegulatormoduleisaLDOlinearvoltageregulatorto3.3Vpowerfromaninputpowersupplyvaryingfrom2.7Vto5.5Lowdrop-outvoltage:300Outputcurrent:120Automaticcurrentlimitingiftheloadcurrentisgreaterthan290Smalloutputcapacitor:2.2Stablewithaluminum,tantalumorceramic10/100MbpsEthernetMACIEEE1588Implementsthefull802.3specificationwithpreamble/SFDgeneration,framepaddinggeneration,CRCgenerationandcheckingDynamicallyconfigurabletosupport10/100MbpsoperationSupports10/100MbpsfullduplexandconfigurablehalfduplexoperationIPv4andIPv6SupportforallIEEE1588Referenceclockcanbechosenindependentlyofthenetwork bleprecisetime- ofingressandegressframes4channelIEEE1588timer,eachwithsupportforinputcaptureandoutputusingthe1588ARMCortex

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