LM3S9B95开发板核心板原理图0.docx

LM3S9B95开发板核心板原理图0.docx

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LM3S9B95开发板核心板原理图0

Stellaris®LM3S9B96DevelopmentKitUser’sManual

Copyright

Copyright©2009TexasInstruments,Inc.Allrightsreserved.StellarisandStellarisWareareregisteredtrademarksofTexasInstruments.ARMandThumbareregisteredtrademarks,andCortexisatrademarkofARMLimited.Othernamesandbrandsmaybeclaimedasthepropertyofothers.TexasInstruments

108WildBasin,Suite350

Austin,TX78746

Main:

+1-512-279-8800

Fax:

+1-512-279-8879

Stellaris®LM3S9B96DevelopmentKitUser’sManual

TableofContents

Chapter1:

Stellaris®LM3S9B96DevelopmentBoardOverview（7

Features（7

DevelopmentKitContents（10

BlockDiagram（11

DevelopmentBoardSpecifications（11

Chapter2:

Stellaris®LM3S9B96DevelopmentBoardHardwareDescription（13

LM3S9B96MicrocontrollerOverview（13

JumpersandGPIOAssignments（13

Clocking（14

Reset（15

PowerSupplies（15

USB（15

Debugging（16

ColorQVGALCDTouchPanel（17

I2SAudio（19

UserSwitchandLED（19

Chapter3:

Stellaris®LM3S9B96DevelopmentBoardExternalPeripheralInterface（EPI（21

SDRAMExpansionBoard（21

FlashandSRAMMemoryExpansionBoard（21

Chapter4:

UsingtheIn-CircuitDebuggerInterface（23

AppendixA:

Stellaris®LM3S9B96DevelopmentBoardSchematics（25

AppendixB:

Stellaris®LM3S9B96DevelopmentBoardComponentLocations（33

AppendixC:

Stellaris®LM3S9B96DevelopmentBoardConnectionDetails（35

DCPowerJack（35

ARMTargetPinout（35

AppendixD:

Stellaris®LM3S9B96DevelopmentBoardMicrocontrollerGPIOAssignments（37

AppendixE:

Stellaris®LM3S9B96FlashandSRAMMemoryExpansionBoard（41

Installation（41

Features（42

HardwareDescription（43

FunctionalDescription（43

MemoryMap（45

ComponentLocations（46

Schematics（46

AppendixF:

References（49

ListofFigures

Figure1-1.DK-LM3S9B96DevelopmentBoard（9

Figure1-2.DK-LM3S9B96DevelopmentBoardBlockDiagram（11

Figure2-1.FactoryDefaultJumperSettings（14

Figure4-1.ICDInterfaceMode（23

FigureB-1.ComponentPlacementPlotforTop（34

FigureE-1.DK-LM3S9B96-EXP-FS8BoardImage（41

FigureE-2.DK-LM3S9B96DevelopmentBoard（42

FigureE-3.DK-LM3S9B96-EXP-FS8Flash/SRAM/LCDIFExpansionBoardBlockDiagram（43

FigureE-4.ComponentPlacementPlotforTopandBottom（46

Stellaris®LM3S9B96DevelopmentKitUser’sManual

ListofTables

Table2-1.BoardFeaturesandPeripheralsthatareDisconnectedinFactoryDefaultConfiguration（13

Table2-2.USB-RelatedSignals（15

Table2-3.HardwareDebuggingConfigurations（16

Table2-4.Debug-RelatedSignals（17

Table2-5.LCD-RelatedSignals（18

Table2-6.I2SAudio-RelatedSignals（19

Table2-7.NavigationSwitch-RelatedSignals（19

TableC-1.DebugInterfacePinAssignments（35

TableD-1.MicrocontrollerGPIOAssignments（37

TableE-1.FlashandSRAMMemoryExpansionBoardMemoryMap（45

TableE-2.LCDLatchRegister（45

CHAPTER1

Stellaris®LM3S9B96DevelopmentBoardOverviewTheStellaris®LM3S9B96DevelopmentBoardprovidesaplatformfordevelopingsystemsaround

theadvancedcapabilitiesoftheLM3S9B96ARM®Cortex™-M3-basedmicrocontroller.

TheLM3S9B96isamemberoftheStellarisTempest-classmicrocontrollerfamily.Tempest-class

devicesincludecapabilitiessuchas80MHzclockspeeds,anExternalPeripheralInterface（EPI

andAudioI2Sinterfaces.Inadditiontonewhardwaretosupportthesefeatures,the

DK-LM3S9B96boardincludesarichsetofperipheralsfoundonotherStellarisboards.

Thedevelopmentboardincludesanon-boardin-circuitdebuginterface（ICDIthatsupportsboth

JTAGandSWDdebugging.AstandardARM20-pindebugheadersupportsanarrayofdebugging

solutions.

TheStellaris®LM3S9B96DevelopmentKitacceleratesdevelopmentofTempest-class

microcontrollers.Thekitalsoincludesextensiveexampleapplicationsandcompletesourcecode.Features

TheStellaris®LM3S9B96DevelopmentBoardincludesthefollowingfeatures.

Simpleset-up—USBcableprovidesdebugging,communication,andpower

Flexibledevelopmentplatformwithawiderangeofperipherals

ColorLCDgraphicsdisplay

–TFTLCDmodulewith320x240resolution

–Resistivetouchinterface

80MHzLM3S9B96microcontrollerwith256KFlash,96KSRAM,andintegratedEthernet

MAC+PHY,USBOTG,andCANcommunications

––8MBSDRAM（plug-inEPIoptionboard

––EPIbreak-outboard（plug-inoptionboard

1MBserialFlashmemory

Precision3.00Vvoltagereference

SAFERTOS™operatingsysteminmicrocontrollerROM

I2Sstereoaudiocodec

–LineIn/Out

–HeadphoneOut

–MicrophoneIn

ControllerAreaNetwork（CANInterface

10/100BaseTEthernet

USBOn-The-Go（OTGConnector

–Device,Host,andOTGmodes

UserLEDandpushbutton

Thumbwheelpotentiometer（canbeusedformenunavigation

MicroSDcardslot

Supportsarangeofdebuggingoptions

–IntegratedIn-circuitDebugInterface（ICDI

–JTAG,SWD,andSWOallsupported

–StandardARM®20-pinJTAGdebugconnector

USBVirtualCOMPort

JumpershuntstoconvenientlyreallocateI/Oresources

DevelopusingtoolssupportingtheDK-LM3S9B96fromKeil,IAR,CodeSourcery,andCodeRed

SupportedbyStellarisWare®softwareincludingthegraphicslibrary,theUSBlibrary,andtheperipheraldriverlibrary

AnoptionalFlashandSRAMmemoryexpansionboard（DK-LM3S9B96-EXP-FS8isalsoavailableforusewiththeDK-LM3S9B96developmentboard

–WorkswiththeExternalPeripheralInterface（EPIoftheStellarismicrocontroller

–ProvidesFlashmemory,SRAM,andanimprovedperformanceLCDinterface

FormoreinformationontheDK-LM3S9B96-EXP-FS8memoryexpansionboard,see

AppendixE,“Stellaris®LM3S9B96FlashandSRAMMemoryExpansionBoard,”onpage41.

TheDK-LM3S9B96-EXP-FS8memoryexpansionboardisavailableforpurchaseseparately.

Stellaris®LM3S9B96DevelopmentKitUser’sManualFigure1-1.DK-LM3S9B96DevelopmentBoard

AudioLineOutput

1MBSerialFlashMemory

3.5"LCDTouchPanel

DevelopmentKitContents

TheStellaris®LM3S9B96DevelopmentKitcontainseverythingneededtodevelopandruna

rangeofapplicationsusingStellarismicrocontrollers:

LM3S9B96developmentboard

8MBSDRAMexpansionboard

EPIsignalbreakoutboard

RetractableEthernetcable

USBMini-Bcablefordebuggeruse

USBMicro-BcableforOTG-to-PCconnection

USBMicro-AtoUSBAadapterforUSBHost

USBFlashmemorystick

microSDCard

20-positionribboncable

CDscontainingevaluationversionsofthefollowingtools:

–StellarisWarewithexamplecodeforthisboard

–ARMRealView®MicrocontrollerDevelopmentKit（MDK

–IAREmbeddedWorkbench®KickstartEdition

–CodeRedTechnologiesRedSuite™

–CodeSourcerySourceryG++™GNUtools.

Stellaris®LM3S9B96DevelopmentKitUser’sManualBlockDiagram

Figure1-2.DK-LM3S9B96DevelopmentBoardBlockDiagram

DevelopmentBoardSpecifications

Boardsupplyvoltage:

4.75–5.25Vdcfromoneofthefollowingsources:

–Debugger（ICDIUSBcable（connectedtoaPC

–USBMicro-Bcable（connectedtoaPC

–DCpowerjack（2.1x5.5mmfromexternalpowersupply

Break-outpoweroutput:

3.3Vdc（100mAmax

Dimensions（excludingLCDpanel:

–4.50”x4.25”x0.60”（LxWxHwithSDRAMboard

–4.50”x4.25”x0.75”（LxWxHwithEPIbreakoutboard

AnalogReference:

3.0V+/-0.2%

RoHSstatus:

Compliant

NOTE:

WhentheLM3S9B96DevelopmentBoardisusedinUSBHostmode,thehostconnectoriscapableofsupplyingpowertotheconnectedUSBdevice.Theavailablesupplycurrentislimitedto~200mAunlessthedevelopmentboardispoweredfromanexternal5V

supplywitha=600mArating.

CHAPTER2

Stellaris®LM3S9B96DevelopmentBoardHardwareDescription

InadditiontoanLM3S9B96microcontroller,thedevelopmentboardincludesarangeofuseful

peripheralfeaturesandanintegratedin-circuitdebuginterface（ICDI.Thischapterdescribeshow

theseperipheralsoperateandinterfacetothemicrocontroller

LM3S9B96MicrocontrollerOverview

TheStellarisLM3S9B96isanARMCortex-M3-basedmicrocontrollerwith256-KBflashmemory,

80-MHzoperation,Ethernet,USB,EPI,SAFERTOS™inROM,andawiderangeofperipherals.

SeetheLM3S9B96MicrocontrollerDataSheet（ordernumberDS-LM3S9B96forcomplete

microcontrollerdetails.

TheLM3S9B96microcontrollerisfactory-programmedwithaquickstartdemoprogram.The

quickstartprogramresidesinon-chipflashmemoryandrunseachtimepowerisapplied,unless

thequickstarthasbeenreplacedwithauserprogram.

JumpersandGPIOAssignments

EachperipheralcircuitonthedevelopmentboardisinterfacedtotheLM3S9B96microcontroller

througha0.1”pitchjumper/shunt.Figure2-1onpage14showsthefactorydefaultpositionsofthe

jumpers.Thejumpersmustbeinthesepositionsforthequickstartdemoprogramtofunction

correctly.

ThedevelopmentboardofferscapabilitiesthattheLM3S9B96cannotsupportsimultaneouslydue

topincountandGPIOmultiplexinglimitations.Forexample,asconfigured,theboarddoesnot

supportSDRAMandI2Sreceive（microphoneorlineinputfunctionsatthesametime.The

jumpersassociatedwithI2Sreceiveareomittedinthedefaultconfiguration.

Table2-1listsallfeaturesandperipheralsthataredisconnectedinthefactorydefault

configuration.Usingtheseperipheralsrequiresthatotherperipheralsbedisconnected.

AppendixD,“Stellaris®LM3S9B96DevelopmentBoardMicrocontrollerGPIOAssignments,”on

page37listsalternativejumperconfigurationsusedinconjunctionwithsomeofthe

StellarisWare™exampleapplicationsforthisboard.

Table2-1.BoardFeaturesandPeripheralsthatareDisconnectedinFactoryDefault

Configuration

PeripheralJumpers

I2SReceive（AudioInputJP44,45,47,49

ControllerAreaNetwork（CANJP14,15

EthernetYellowStatusLED（LED2JP2

Analog3.0VReferenceJP33

SeeAppendixD,“Stellaris®LM3S9B96DevelopmentBoardMicrocontrollerGPIOAssignments