[原創(chuàng)] MicrochipCAN LIN CAN－FD汽車(chē)網(wǎng)絡(luò)開(kāi)發(fā)方案.doc

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1、[原創(chuàng)]MicrochipCANLINCAN－FD汽車(chē)網(wǎng)絡(luò)開(kāi)發(fā)方案　　microchip公司的CANLINCAN-FD汽車(chē)網(wǎng)絡(luò)開(kāi)發(fā)板采用8位,16位和32位MicrochipMCU系列,提供低成本模塊化平臺(tái),用于CAN,LIN,CAN-FD網(wǎng)絡(luò)開(kāi)發(fā).具有四個(gè)mikroBUS?插座,支持CAN和CAN-FD.7-30VDC電源輸入給整個(gè)板提供+3.3V和+5V穩(wěn)壓電源.本文介紹了汽車(chē)網(wǎng)絡(luò)開(kāi)發(fā)板主要特性,框圖和電路圖.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.　　　　圖1.汽車(chē)網(wǎng)絡(luò)開(kāi)發(fā)板外形圖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　　　　圖2.汽車(chē)網(wǎng)絡(luò)開(kāi)發(fā)板正面圖　　　　圖3.汽車(chē)網(wǎng)絡(luò)開(kāi)發(fā)板背面圖　　　　圖4.汽車(chē)網(wǎng)絡(luò)開(kāi)發(fā)板框圖　　　　圖5.汽車(chē)網(wǎng)絡(luò)開(kāi)發(fā)板電路圖(1):mikroBUS接口　　　　圖6.汽車(chē)網(wǎng)絡(luò)開(kāi)

7、發(fā)板電路圖(2):PIM連接和分線