Transcription of Controller Area Network Physical Layer Requirements
{{id}} {{{paragraph}}}
ApplicationReportSLLA270 (CAN),ISO11898:1993,isfindingwidespreadu seinbuildingautomation,processcontrol, , (bittimingrequirements).. ( ).. LayerData-LinkLayerLogic Link ControlMedium Access ControlPhysicalLayerPhysical SignalingPhysical Medium AttachmentMedium Dependant InterfaceEmbeddedCANC ontrollerCANT ransceiverCAN BusLine Electricalspecifications:transceivers,co nnectors, cable CANcontroller,embedded shighreliability, ,hardwareinterfacecards, :1993 StandardArchitectureFigure1displaystheIS O11898standardarchitectureusingthebottom twolayersoftheOSImodel, ,andaftersendingamessage, , sand0 sintoelectricalpulsesleavinganode, , , 1 CANNODE 2 CANNODE 3 RECEIVE-ONLYNODE Bytes DataCCRRCCACKEOFEOFEOFFISIIDDEErr00 DDLLCC11- bitI dentifierRTRSOF11- bitI dentifi erRTRIDEr 0D L C0 ..8C R CA C Kr 118-bitI dentifierSRRSOFB ytes , ,onlythosenodesrequiringupdateddataallow themessagetopassthroughafilterthatissetb ythenetworkdesigner ,messagesfromcertainnodescanpass, ,muchofanode's ,thatasystemdesignercanusetoidentifythec ontentofamessage, , , :29-BitIdentifierCAN' , , C wins arbitrationACK bitACK bitACK bitNODEANODEBNODECCANBus4 PhysicalLayerRequirementsPhysicalLayerRe quirementsAllnodesonabusparticipateineac hbit , , ,NodesBandCthenbeginarbitration ' , , ,whicharenormallytransparenttoasystemope rator,areincludedinanycontrollerthatimpl ementstheCANprotocolsuchastheTexasInstru mentsTMS320F2812 (thebus)isthenimplementedthroughalinetra nsceiversuchasTI Bus-LineRLCANC
www.ti.com 1 Introduction DSP or mController Application Layer Data-Link Layer Logic Link Control Medium Access Control Physical Layer Physical Signaling
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document:
{{id}} {{{paragraph}}}
Deployment Configuring PAN Firewalls for a Layer, Firewalls for a Layer 3 Deployment Configuring PAN Firewalls for a Layer 3, Understanding Layer 2, 3, and, Layer, Layer 3, Layer 2 encryption vs Layer 3, Layer 2 Encryption vs. Layer 3, 1 Physical Layer Simplified Specification, Chapter 3 OSI Model, Dedicated Application Layer M-Bus, Ocular surface; single layer, sutured, Western Mining Electric Association San Antonio