【系统控制】基于DSP的高低速CAN总线汽车控制系统

DSPCANTITMS320LF2407ACANDesignofhigh-lowspeedcanbusautomobilecontrolsystembasedonDSPAbstractTIIncorporation'sdigitalsignalprocessorsTMS320LF2407AinlineCAN2.0Bmodulationisusedasmaincontrollerincomputercontrolsystemofautomotiveandgateway,ahigh-lowspeedcanbuscommunicationcontrolnetworkisconstructedtorealizedatashareandcooperationworkamongallnodesaswellasefficientdatatransmissionbetweendifferentnodes.Testresultsindicatehigherbusutilizationandfastersystemresponse.KeywordsDSPHigh-lowspeedcanbusAutomobilecontrolsystemCANESPSRSCANDSPCANCANCAN1.DSP1.1TMS320LF2407ATI16DSPTMS320LF2407ADSP40M40MIPS,32KFLASH1.5K/RAM2KSARAM544DARAM1610A/DSPI/SCI/CAN2.0B1.2ECUABS/ASR/ESPECUSRSECUECUTMS320LF2407AECUECUECUECUCANCAN1ABS/ASR/ESPSRS500KbpsCAN125KbpsCAN1.3CANTMS320LF2407ACAN2TMS320LF2407A6N137PCA82C250P82C150ECUECUABS/ASR/ESPECUPCA82C250CANHCANLCANCANCANSRSECU2CANTMS320LF2407ACANCANHCANLCAN/Ω120CAN3.5VCANH1.5VCANLCANCANHCANL2.5VTMS320LF2407APCA82C2506N137PCA82C2502.Vcc2In3Gnd5Out6Ve7Vcc8D26N137CANTX/IOPC672CANRX/IOPC770D1TMS320LF2407ATxd1Rxd4Gnd2CanL6CanH7Vcc3Vref5Rs8D4PCA82C250Vcc2In3Gnd5Out6Ve7Vcc8D36N137R1VCCR35VR25VVCCR4R55VCANHCANL3CAN3.CAN45DSPCANCANCANCANNYCANNYYNABS/ASR/ESPYN45CANCANDSPCANECUECUCANCANCANCANCANCAN4.[1]CAN[J],2003,17(3):23~24[2]TexasInstrumentsIncorporationTMS320LF2407ADSPController[M]2002,7[3]~21