嵌入式系统原理(简介与入门)

[e-mail]@126.com11111EmbeddedsystemCPU1.11946……[e-mail]121)2)3)/4)/VxWorkspSOSLinuxWinCEHTTPWord5)[e-mail]8kHZ8bits8kB1.26)7)GBGBGBFLASH8)PC9)[e-mail]10)PCPCPCPCPC104CompactPCIPCISAPC104PCICompac[e-mail][e-mail][e-mail]1541)MP3MP42)3)POSATM4)5)6)7)[e-mail]21RISCCISCCPU211CPUCPUCPU01CPU328800000100000010000000001000001108CPU0000010000000001CPU00000110/CPUCPUCPUx86ARMMCS-51CPU1)2)3)4)5)[e-mail]tionSetComputerRISCReducedInstructionSetComputerCPUCISCx86CISCCPUababCPUCPUnkkn2=CPU2000110111140001101100110111101111CISCIBM1975CISC802080%20%CISCCISCCISC(ReducedInstructionSetComputer-RISC)RISCRISCRISC1)/[e-mail]2)3)CISCRISCRISCRISCRISCCISCx86x86RISCRISCMIPSARM213CPUCPU2.1CPUCPUCPUCPUCPUCPU2.1CPUCPUCPUcacheRAMPCI214BigendianLittle[e-mail]2.2BigendianLittleendian1640x123456780x120x780Bigendian0x12Littleendian0x78BigendianLittleendian000102030x120x340x560x78(a)Bigendian000102030x780x560x340x12(a)Bigendian2.2215CPUCPU1)CPUCPU481632642)3)CPU22x86IntelAMD8163264PC104CompactPCIC[e-mail]1632IntelAMDMotorolaARMRAMROMGPSA/DxScaleGeodePowerPCMIPSARMzMicrocontrollerUnitMCU30RAM/I/OA/DD/A/MCU70zDSPEmbeddedDigitalSignalProcessorEDSPFFTDSPDSPDSPDSPzSystemOnChipSOCSOCSOCSOCSOCSOCSOCRAMROMSOC231)[e-mail]2)/3)4)SleepPowerdown5)LCDUSB2480511980IntelMCS-518051IntelMCS-51PhilipsSiemensAMDOKI805180518051MCS-51Intel8051241805180518RAMROMUARTUniversalAsynchronousReceiver/[e-mail]30243510114821322886852.3805180511)82)128BRAM4KBROM3)8IOP0~P332I/O4)64KB64KB5)6)7)UART8)12MHz9)[e-mail]2271322.4MCS-511)80512)3)4)MCS-51221125ARM251ARMARMARMARMIPIntellectualProperty199011ARMAdvancedRISCMachineAcornVLSITechnology1991ARMRISCARM6VLSIGECPlessey1993CirrusLogicARMARMRISCARM2019ARM70ARMARMARM32RISC75%252ARM2521ARMARM61661)[e-mail]26zzzz2)22612zzzzSWPSWPB3)3z323G326zR15CPSRCurrentProgramStatusRegisterzSPSRSavedProgramStatusRegisterzzMRSMSRCPSRSPSRz4)42634zzzTThumb16Thumbz5)545zTARM/ThumbzTTzzzz6)66SIMDSingleInstructionMultipleDataSIMD/[e-mail]112522ARMARM1)ThumbTThumbARMARM32Thumb16ThumbThumbARMThumb1ARM42ARM52)MMARM323264323232643)DSPEEDSP¾16¾¾¾cachePLD4)JavaJazelleJJazelleJAVAJavaJazelleJava880%5)ARMSIMDSIMDSingleInstructionMultipleDataARM/4¾648¾¾¾16/¾3232MAC¾8/162523ARM/[e-mail]4xM4ARMv44ARMv4TxM41ARMv4T41ARMv5xM5ARMv55ARMv5TxM52ARMv5T52ARMv5TexP52ARMv5TE52ARMv5TEJ52ARMv6622.1ARM/Thumb2253ARM2ARMPPTARM6ARM7ARM9ARM9EARM10ESecurCoreARM11IntelARMXScaleStrongARMARM7ARMV4TCache0.6mW/MHz66MHz1.9ARM7InternetARM7ARM7TDMIARM7TDMI-SARM720TARM7EJARM7TMDI32RISCARMARM7Cache(/(TCMAHBThumbDSPJazelleARM7TDMIARM7TDMI-SARM7EJ-SARM720T8kMMU2.2ARM7ARM9ARMV4TCacheCache0.7mW/MHz120MHz-200MHz1.5ARM9ARM920TARM922TARM940T3ARM9Cache(/(TCMAHBThumbDSPJazelleARM920T16K/16KMMUARM922T8K/8KMMUARM940T4K/[e-mail]2.3ARM9ARM9EARMv5DSPJavaARM9EDSPDSPARM9ECache(/(TCMAHBThumbDSPJazelleARM926EJ-S4-128K/4-128KMMUAHBARM946EJ-S4-1MB/4-1MBMMUAHBARM966EJ-SAHB2.4ARM9EARM10EARMv5ARM950ARM10EARM10ECache(/(TCMAHBThumbDSPJazelleARM1020E32K/32KMMUAHBARM1022E16K/16KMMUAHBARM1026EJ-SMMUAHB2.5ARM10EARM11ARMv6ARM11350M~500MHz1GHz0.13um1.2VARM110.4mW/MHzARM11Cache(/(TCMAHBDSPJazelleSIMDARM1136J-S4-64KMMU64AHBA[e-mail]boneAvalonARMSOCARMAMBAARMAMBAAMBA2.0AHBAdvancedHigh-PerformanceBusASB(AdvancedSystemBus)APB(AdvancedPeripheralBus)TestMethodologyARMSOCAHBAPBAHBARMDMASDRAMLCDAPBUARTRTCI2CAHB-APBSOC2.52.5AMBASOCAHBMasterSlaveInfrastructure[e-mail]2.72.7AHBAHBAPBUARTI2CRTCAHBAPBMulti-MasterA[e-mail]920TzSDRAMzLCDSTNTFTzDMAz3UARTzI2CI2SzSDzUSB/zzzADCzRTCRealTimeControllerzPLLS3C24102.82.8S3C2410S3C2410ARM920TSOCARMAMBAAHBAPBAHBSDRAMLCDUSBAPBUARTUSBI2CI2SRTCWatchdogADCARM920TARM9T[e-mail]3C2410NANDFlashNANDFlashNANDFlashbootloaderNANDFlashS3C2410NORFlash26x86261x86x86x86IntelAMDVIAx86x86IntelPCx864004800880801981IBMIntel8088PCPCx86PCx86x86(Computer)(Communication)(ConsumerElectronics)3C3CPCPC3CPCPCPCx863CPCx86x86AMDGeodeGX/LX/NXIntelAtomVIAEdenx86x86262Geodex86AMDx86Geodex86Geode1.7NX1250667MHz1.1V6W9WNX15001.0GHz1.0V6W9WGeodeNXNX17501.25GHz1.25V14W25WLX700433MHz1.2V0.8W3.1WLX800500MHz1.25V0.9W3.6WGeodeLXLX900600MHz1.4V1.5W5.1WGX466333MHz1.5V0.9W3.5[e-mail]1.7Geode263GeodeGXGeodeGX