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控制器區域網路(ControllerAreaNetwork,簡稱CAN或CANbus)是一種網路,其特點是允許網路上的多個微控制器或設備直接互相通訊,網路上不需要主機(Host)控制通訊,並且 ...
Identifierfiltering—由於CANbus在傳送資料的過程是類似廣播的方式,所以在node數量眾多的...在Maskmode之下,只要ID中特定的幾個bit符合filter的狀態,此筆 ...
AControllerAreaNetwork(CANbus)isavehiclebusstandarddesignedtoallowmicrocontrollersanddevicestocommunicatewitheachother'sapplications ...
IDallocation—MessageIDsmustbeuniqueonasingleCANbus,otherwisetwonodes...IDandhencethehigherthemessagepriority,thenbususeof70 ...
CommunicationovertheCANbusisdoneviaCANframes.BelowisastandardCANframewith11bitsidentifier(CAN2.0A),whichisthetypeusedinmostcars.
Definestheidentifiertype.Identifierlengthcanbe:11bit(CAN2.0A)-usedtocreatemessageswithastandard,11bit,identifier;29bit ...
Messagesarelabeledbyanidentifier(ID)assignedoneormorenodesonthenetwork.Allnodesreceivethemessageandperformafilteringoperation.Thatis, ...
Originally,theCANstandarddefinedthelengthoftheIdentifierintheArbitrationFieldtoeleven(11)bits.Lateron,customerdemandforcedanextensionof ...
CAN2.0B是具有29位辨識碼的擴展格式。1993年,ISO(國際標準化組織)發布了CAN標準ISO11898,後來又重組為三部分 ...
Basedontheidentifier,thereceiverdecideswhetheramessageisrelevantornot....Atthesametime,theidentifierisusedtoprioritizemessages(Because ...