标签: dm642evm

dm642evm_Schematics12345REVNOTES,UNLESSOTHERWISESPECIFIED:1.2.3.RESISTANCEVALUESINOHMS.CAPACTITANCEVALUESINMICROFARADS.BREFERENCEDESIGNATORSUSED:ADESCRIPTIONInitialschematicreadyforlayout.Sheet2:ChangedLENDIAN_MODEsignalsoR221isapull-upandS2providesapull-down.Sheet3:SwappedDSP_SCL0andDSP_SDA0signalsgoingtoU16.Sheet7:AddedseriesterminationsRN28,R246,R247,&R248.Sheet11:RoutedDC_A[8:6],UART_CSA#,&UART_CSB#toU15.Sheet13:ChangedbusroutedtoU53toVP0D[9:2]andU52toVP1D[9:2].Sheet15:Addedpull-up(R241)toDC_ARDY.Sheet17:Pin177isGroundnotVCCSheet20:ChangedU36&U37toSN74LVC1G125DCKR.SheetSheetSheetSheetSheetfpgaSheetSheetSheetSheetSheetSheetSheetto822:ChangedEMAC_ENABLEtoautodectS2isno……

dm642evm_Schematics……

dm642evm_Schematics使用philips的编解码器12345REVNOTES,UNLESSOTHERWISESPECIFIED:1.2.3.RESISTANCEVALUESINOHMS.CAPACTITANCEVALUESINMICROFARADS.BREFERENCEDESIGNATORSUSED:ADESCRIPTIONInitialschematicreadyforlayout.Sheet2:ChangedLENDIAN_MODEsignalsoR221isapull-upandS2providesapull-down.Sheet3:SwappedDSP_SCL0andDSP_SDA0signalsgoingtoU16.Sheet7:AddedseriesterminationsRN28,R246,R247,&R248.Sheet11:RoutedDC_A[8:6],UART_CSA#,&UART_CSB#toU15.Sheet13:ChangedbusroutedtoU53toVP0D[9:2]andU52toVP1D[9:2].Sheet15:Addedpull-up(R241)toDC_ARDY.Sheet17:Pin177isGroundnotVCCSheet20:ChangedU36&U37toSN74LVC1G125DCKR.SheetSheetSheetSheetSheetfpgaSheetSheetSheetSheetSheetSheetSheetto822:ChangedEMAC_ENABLEtoautodectS2isno……