飞思卡尔K40开发板原理图.pdf

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1、54321TableofContentsRevisions2NotesRevDescriptionDateApproved3BlockDiagramAPrototypeRelease23-Jul-10J.H.4M40X256MCUBPilotRelease21-Sep-10DK5USB/OSBDM/V-TRAN/PWR6Peripherals7Sensors8ElevatorConnectorsDDCCBBAMicrocontrollerSolutionsGroupA6501WilliamCannonDrive

2、WestAustin,TX78735-8598ThisdocumentcontainsinformationproprietarytoFreescaleSemiconductorandshallnotbeusedforengineeringdesign,procurementormanufactureinwholeorinpartwithouttheexpresswrittenpermissionofFreescaleSemiconductor.ICAPClassification:FCP:____FIUO:X

3、PUBI:____Designer:DrawingTitle:JayHartvigsenTWR-K40X256Drawnby:PageTitle:JayHartvigsenTableofContents/RevisionsApproved:SizeDocumentNumberRevMarilynHubbardCSCH-26547PDF:SPF-26547BDate:Tuesday,September21,2010Sheet1of85432154321Power&GroundNets1.UnlessOtherwi

4、seSpecified:AllresistorsareinohmsNETVOLTAGEDESCRIPTIONAllcapacitorsareinuFAllvoltagesareDCP5V_USB5VPrimaryinputpower.FilteredfromUSBconnector.InputtoUSBpowerswitch.AllpolarizedcapacitorsarealuminumelectrolyticP5V_SW5VOutputofUSBpowerswitchcontrolledbythe5V_E

5、NsignalfromtheJM60MCU.UsedbyOSBDMvoltagetranslationcircuits.2.Interruptedlinescodedwiththesameletterorlettercombinationsareelectricallyconnected.P5V_TRG_USB5VOutputofUSBpowerswitchcontrolledbytheVTRG_ENsignalfromDtheJM60MCU.Providesinputtoregulator.D3.Device

6、typenumberisforreferenceonly.Thenumbervarieswiththemanufacturer.P3V33.3VOutputofregulatorusingUSBpowerinput(P5V_TRG_USB).4.Specialsignalusage:P3V3_MCU3.3VMCUdigitalpower.FilteredfromP3V3._BDenotes-Active-LowSignalVDDA3.3VVDDApowerforMCUandanalogcircuits.Filt

7、eredfromP3V3_MCU.<>or[]Denotes-VectoredSignalsVREFH3.3VUpperreferencevoltageforADContheMCU.FilteredfromVDDA.5.InterpretdiagraminaccordancewithAmericanNationalStandardsInstitutespecifications,currentVREFL0VLowerreferencevoltageforADContheMCU.FilteredfromVSSA.

8、revision,withtheexceptionoflogicblocksymbology.VSSA0VVSSApowerforMCUandanalogcircuits.FilteredfromGND.GND0VDigitalGround.CCBBAAICAPClassification:FCP:___FIUO:XPUBI:___DrawingTitle:TWR-K40X256Pag