[原创] MicrochipCAN LIN CAN－FD汽车网络开发方案.doc

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1、[原创]MicrochipCANLINCAN－FD汽车网络开发方案　　microchip公司的CANLINCAN-FD汽车网络开发板采用8位,16位和32位MicrochipMCU系列,提供低成本模块化平台,用于CAN,LIN,CAN-FD网络开发.具有四个mikroBUS™插座,支持CAN和CAN-FD.7-30VDC电源输入给整个板提供+3.3V和+5V稳压电源.本文介绍了汽车网络开发板主要特性,框图和电路图.TheCAN,LIN,CAN-FDAutomoTIveNetworkingDevelopmentBoardprovi

2、desalow-costmodularplatformforCAN,LIN,CAN-FDnetworkdevelopmentusing8-bit,16-bit,and32-bitMicrochipmicrocontrollerfamilies.ItfeaturesfourmikroBUS™headerstoaccommodateavarietyofplug-inClick™BoardcombinaTIonsforLIN,CAN,andCAN-FDdevelopment.TheAutomoTIveNetworkingDevelop

3、mentBoardsupportsCANandCAN-FDnaTIvely.TheCANdigitalconnectionfromthemicrocontrollerconnectstotheTX/RXconnectiononthemikroBUS™header.ThisconnectionsupportstheCANandCAN-FDTransceiverClick™boardswithouthavingtolosethemicrocontrollerUARTconnectiontotheothermikroBUS™heade

4、rs.　　　　图1.汽车网络开发板外形图Theboardincludesthekeyfeaturesmentionedbelow,asindicatedinthediagram:1.100-pinPIMheader,compatiblewiththePIMversionsofselectedPIC®MCUanddsPIC®DSCdevices2.Direct7-30VDCpowerinputthatprovides+3.3Vand+5V(regulated)totheentireboard3.PowerindicatorLEDw

5、illrepresentwhatvoltageisappliedtotheprocessorPIM.4.USBconnectorforconnectivitywithMCUsthathaveaUSBmodule5.Standard6-wireIn-CircuitDebugger(ICD)connectorforconnectionstoanMPLAB®ICDprogrammer/debuggermodule6.PushbuttonswitchesfordeviceResetanduser-definedinputs7.Poten

6、tiometerforanaloginput8.EightindicatorLEDs9.EdgeconnectorforPICtail™Pluscardcompatibility10.Six-pininterfaceforthePICkit™Programmer11.TwoPmodinterfaces12.FourmikroBUS™headers　　　　图2.汽车网络开发板正面图　　　　图3.汽车网络开发板背面图　　　　图4.汽车网络开发板框图　　　　图5.汽车网络开发板电路图(1):mikroBUS接口　　　　图6.汽车网络开

7、发板电路图(2):PIM连接和分线