1.0科讯cms
科讯cms 时间:2021-05-08 阅读:()
2000717LingcoDr.
,Suite209Richardson,TX75081(972)994-9676FAX(972)994-9170email:Gary@axman.
comweb:http://www.
axman.
comxiomanufacturingCMS-8GP32AMotorolaMC68HC908GP32MicrocontrollerBoard2CONTENTSCONTENTSFEATURES.
3GETTINGSTARTED.
4SoftwareDevelopment4TUTORIAL.
5BuildingSoftware.
5ProgrammingtheFlashMemory.
6ExecutinganApplication.
7MEMORYMAP.
8OPTIONSWITCHESANDJUMPERS9JumpersJP1andJP29MODESwitch.
9CONNECTORS10DEBUGPort.
10COMPort11J1PowerConnector.
11SPECIFICATIONS.
113FEATURESTheCMS-8GP32isaMotorolaMC68HC908GP32MicrocontrollerdevelopmentboardwithI/Opinheaders,oscillatorcircuit,powersupply,MON08DebugInterface,andRS232COMport.
TheMC68HC908GP32microcontrollerhasahostoffeatureswhichmakesitidealforlow-costembeddedcontrolapplications.
TheCMS-08GP32boardprovidesalowcostandeasytouseplatformtodevelopapplicationsonortouseinprototypegeneration.
BoardFeaturesRS232serialportwithDB9connectorfromHC08SCIport.
FullfeaturedMON08portwithDB9andRS232Levels.
HC08SingleChipOperationAllHC08I/OtoHeaderConnectornexttoprotoarea.
9.
8304MHzReferenceCrystalOscillatorinpinsockets.
+6-20VInputPowerSupplySolderlessPrototypeAreaMODESwitchforeasyconfiguration.
5Voperationstandard,3.
3VoperationoptionalMC68HC908GP32FeaturesCPU08coreprocessorStaticto8MHzinternalBusOperation,softwareselectable32KBytesFlashEEPROMonchip512BytesSRAMonchipSCIserialportSPIserialport8channel8bitADCTwo16bittimerswithPWMKeyboardInterrupton8pinsLowpowermodeswithPORResetandLVIfunctions.
BreakPointmoduleMON08developmentmonitor33I/Opins,26multiplexedwithinternalperipheralsDevelopmentSoftwareFeaturesMCU-EZfortheHC08provided.
ContainsAssemblerandLinkerwithWindowsIDE.
AxiomMON08DebuggerandProgrammingInterfaceforWindowsprovided.
DriveWayperipheraldriversourcecodegeneratorforWindowsprovided.
CompatiblewithHIWAREHiwave08software.
CompatiblewithPEMicroICS08GPZsoftware.
4GETTINGSTARTEDSeetheREADME.
TXTfileontheCDprovidedwiththisboardforallthedocumentationandsupportfilesprovided.
Togetstartedquickly,performthefollowingtestnowtomakesuretheboardisworkingcorrectlyandyouareabletocommunicatewithyourPCserialCOMport:1.
Connectoneendofthesupplied9-pinserialcabletoafreeCOMportonyourPC.
ConnecttheotherendofthecabletotheCOMportconnectorontheCMS-08GP32board.
2.
RunastandardANSIterminalcommunicationsprogramsetto9600baud,N,8,1.
Anyterminalprogramwillwork,includingthesimpleterminal(HyperTerminal)thatcomeswithMSWindows.
SeeTerminalSettingsinthismanualformoreinformation.
YoucanalsousetheAXIOMIDE(AX-IDE)fortheTerminal.
3.
VerifyallMODEswitchesareOFF,JP1andJP2areinstalled.
4.
Applypowertotheboardbyplugginginthe9Vpowertransformerwallplugthatcamewiththesystem.
5.
Ifeverythingisworkingproperly,youshouldseetheAxiompromptonyourterminal,similartothefollowing:AXIOMMFG.
CMS-08GP32UTILITIES1.
0Presskey1or21.
SerialPortTest2.
I/OPortTest(allswitchesoff)Yourboardisnowreadytouse.
IfyoudonotseethemenuandyouhavenotreprogrammedtheHC08flashpreviously,followthestepsinTroubleshootingtofindwhyyourPCCOMportwillnotcommunicatewiththeboard.
SoftwareDevelopmentSoftwaredevelopmentwillrequiretheuseofanHC08assemblerorcompilerandahostPCoperatingaMON08debuginterface.
SuppliedwiththisboardistheMotorolaMCUezHC08assemblertoolsalongwiththeAxiomMON08IDEforWindowsforDebuggingandFlashprogramming.
Inaddition,theHIWAREPantademoCDprovidedcontainsaCcompiler,assembler,linker,simulatorandMON08supporttools.
TheHIWAREsoftwarewilloperatein"demo"modewhichprovidessizelimitedassemblyoperationuntilitisregistered.
ThePEMicroICS08GPZtoolkitforthe68HC08hasalsobeentestedandworkswiththeCMS-8GP32board.
YoucandownloaditfromeitherMotorola(http://mcu.
motsps.
com/)orPEMicro(http://www.
pemicro.
com)websites.
ApowerfulsourcecodegenerationtoolcalledDriveWayisalsoprovidedonthesupportCD.
ThiscangenerateCsourcecodefortheHC08microcontrollerperipheralsforyou,basedonyourspecifications.
Seeit'sreadme.
txtfileformoreinformation.
5TUTORIALThissectionwaswrittentohelpyougetstartedwiththespecificsoftheCMS-8GP32softwaredevelopmentprocess.
Besuretoreadtherestofthismanualforfurtherinformation.
Also,youshouldseethe68HC08referencemanualandotherdocumentationontheCD.
Thefollowingsectionstakeyouthroughthecompletedevelopmentcycleofasimple"helloworld"program,whichsendsthestring"HelloWorld"totheserialport.
BuildingSoftwareYoucanwritesourcecodefortheCMS-8GP32boardusinganylanguagethatcompilestoMotorola68HC08instructions.
IncludedontheCDisafreeassemblerprovidedbyMotorolacalledMCUez.
ThisisaWindowsdevelopmentenvironmentandyoushouldinstallitnowifyouhaven'talready.
SeetheMotorolawebsittodownloadthelatestversion.
YoushouldwriteyoursourcecodeusingastandardASCIItexteditor.
ManypowerfulcodeeditorsareavailableoryoucanusethefreeEDITorNOTEPADprogramsthatcomewithyourcomputer.
Onceyoursourcecodeiswrittenandsavedtoafile,youcanassembleorcompileittoaMotorolaS-Record(hex)format.
Thistypeofoutputfileusuallyhasa.
MOT,.
HEX,SXor.
S19fileextensionandisinaformatthatcanbereadbyprogrammingutilitiestowritetheFlashMemoryontheCMS-8GP32board.
It'simportanttounderstandyourdevelopmentboard'suseofMemoryandAddressingwhenwritingsourcecodesoyoucanlocateyourcodeatvalidaddresses.
YoushouldputyourprogramCODEsomewhereintheFlashMemoryarea.
Inassemblylanguage,youcandothiswithORGstatementsinyoursourcecode.
AnylinesfollowinganORGstatementwillbeginatthatORGlocation,whichisthefirstnumberfollowingthewordORG,forexample:ORG$8000.
YoumuststartyourDATA(orvariables)inaRAMlocationunusedbyyourprogram,forexample:ORG$40.
YoumustalsoprogramtheSTACKregistersomewhereatthetopofyouravailableRAM,forexamplehex$23F.
AlookattheexampleprogramsontheCDcanmakethisclearer.
Asimpleprogramcalled"HELLO.
ASM"isprovidedunderthe\EXAMPLESdirectoryontheCD.
Ifyou'reusingacompilerinsteadofanassembler,consultthecompilerdocumentationformethodsusedtolocateyourcodeanddata.
Toassembletheexampleprogram:1.
LaunchtheMCUezshellandchoosetheAssemblerbutton.
2.
ChoseFile/Assemblefromthemenuandselectthe"HELLO.
ASM"thatwasinstalledonyourharddrivefromthesupportCD.
Youcanalsojust"drag"thefileintotheassemblerwindow.
3.
Theprogramshouldassemblewithoutanyerrorsandproducealistingfile,HELLO.
LST,andaMotorolahexoutputfilecalledHELLO.
SX.
Thelistingfileisespeciallyhelpfultolookatwhendebuggingyourprogram.
Ifyourprogramhaserrors,theywillbedisplayedandnooutputwillbegenerateduntilyoufixthem.
6ProgrammingtheFlashMemoryYoucanusethesuppliedMON08utilitytobothprogrammemoryanddebugyourapplicationsontheCMS-8GP32board.
DebuggingwiththeMON08iseasierifyouusethe2ndserialportonyourPC.
Thefollowingtutorial,however,willassumeonly1serialportconnectionisused.
1.
DisconnectpowerfromtheCMS-8GP32board.
2.
MoveallMODEswitchestoONexceptfor7whichshouldbeOFF.
JP1andJP2installed.
3.
AttachtheserialcabletotheDEBUGportconnectorontheCMS-08GP32board.
4.
Re-applypowertotheboard.
NOTE:Powershouldremainoffatleast3secondsaftertheMODEswitchesarechanged,toallowfullpowerdischarge.
5.
LaunchtheMON08forWindowsutilityinstalledfromthesupportCD.
InthewindowthatcomesupenteryourPCCOMportusedtoconnecttotheboard,the"checksecurity"boxshouldbechecked,andthesecuritybytescanbeanything(allFFforexample).
6.
SelecttheOKbutton.
TheMON08applicationwindow(shownbelow)shouldbedisplayed.
77.
SelecttheDebugmenuitemandchoose"MasseraseflashEEPROM".
ThiswilleraseanythingcurrentlyinFlashMemory.
8.
SelecttheDebugmenuagainandchoose"ProgramflashEEPROM".
Choosethe"HELLO.
SX"fileyoucompiledintheprevioussectionthenselecttheStarttoProgrambutton.
WhenfinishedprogrammingtheflashEEPROM,thedebuggershouldlocatetheprogramcounteratthebeginningofyourprogram.
Ifit'snot,rightclickontheProgramwindowandgothere.
Youcandebugorexecuteyourprogramnow,usingthesinglestep,breakpoint,trace,watchwindowandotherfeatures.
NOTE:IfyouwanttousetheBreakfeature,youmustselect"ProgramIRQvector"fromtheDebugwindow.
SeetheonlineHelpformoreinformation.
ExecutinganApplicationTheexample"hello"programsendsastringouttheserialport.
Ifyouhaveonly1serialcableconnectedtotheboard,youwillhavetotestitstand-alone-outsideoftheMON08debugger,sinceitalsousestheserialport.
Tomakeyourprogramrunonpower-up,dothefollowing:1.
ClosetheMON08program.
2.
Disconnectpowerfromtheboard.
3.
MoveallMODEswitchestotheOFFposition.
(powershouldremainoffatleast3secondsaftermovingtheMODEswitches).
4.
MovetheserialcablefromtheDEBUGconnectortotheCOMconnector.
(thisisnotrequiredifyou'reusing2serialcables).
5.
StartaserialterminalprogramonyourPC(thesuppliedAxIDEprogramontheCDwillwork)soyoucanseetheprogramrun.
6.
Reconnectpowertotheboard.
Youshouldseethemessage"HelloWorld"intheterminalwindow,everytimeyoupressakey.
Youcanmodifythissimpleprogramtodisplayotherstringsordoanythingyouwant.
Theproceduresforassemblingyourcode,programmingmemoryandexecutingitremainthesame.
8MEMORYMAPThememorymapfortheCMS-08GP32isfixedbythehostprocessor-theMC68HC908GP32.
Refertothe9GP32R3.
PDFfile,theMC68HC908GP32technicalmanual,fordetails.
Fordevelopmentuse,applicationcodeundertestmustresideintheinternal512byteSRAMorbeprogrammedintotheinternal32KByteFlashMemory.
0000MC68HC908GP32RegistersandI/O64Bytes0040SRAMMemoryStackandProgramDataarea512Bytes0240Unused32KBytes8000FLASHMemoryProgramCodeandConstantDataarea32KBytesFE00UtilityMemorySIMandInterruptStatus,Breakcontrol,FlashcontrolandMON08ROMarea500BytesFFF6FFFFVECTORSandSecurityMemoryPartofFlashmemoryblock,10Bytes9OPTIONSWITCHESandJUMPERSJumpersJP1andJP2OptionJumpersJP1andJP2provideconnectionoftheHC08SCITXDandRXDserialportpinstotheRS232TransceiverandCOMPort.
JP1connectsHC08I/OPortE(PTE0)pin0(TXD)andJP2connectsHC08PortE(PTE1)pin1(RXD).
Withthejumpersremoved,theCOMPortwillnotfunctionasnopathtotheportwillbeprovidedfromtheHC08.
TheI/OpinscanbeusedforsimpleI/OfunctionsorCMOSlevelserialportintheusersapplicationwiththejumpersremoved.
ConnectiontotheHC08pinscanbemadeontheJ2I/OPortHeader.
MODESwitchThe8positionMODESWITCHprovidesaneasymethodofconfiguringtheCMS-8GP32boardoperation.
Modeswitches1through6onlyeffect68HC908GP32operationduringPowerOnResetcondition.
ModeswitchesshouldalwaysbesetpriortopowerbeingappliedtotheCMS-8GP32board.
Fornormaloperationofaprograminstalledinthe68HC908GP32flashmemory,allswitchesshouldbeintheoffposition.
MON08operationisenabledandconfiguredbyplacingoneormoreswitchesintheonposition.
Followingisatableindicatingoperationofthemodeswitchesand68HC908GP32I/Oportpinseffected.
ItisimportantthatI/OportsusedforMON08configurationnotbedrivenfromusercircuitryorpossiblemisoperationordamagecanoccur.
MODESWITCHOPERATIONsettoONpositionHC08I/OPORTUSED1EnableMON08communicationpathPTA02EnableMON08forserialcommunicationPTA73EnableResetvectornotblankoperation*1IRQ4EnableOverrideclockselectionPTC05EnableOverrideclockselectionPTC16EnableOverrideclockselectionPTC37EnableMON08BREAKdetect*1IRQ8EnableMON08RESETRESET*1–MODESwitchposition3and7shouldneverbeONatthesametime.
TheCMS-8GP32boardisconfiguredtobeeasytousewith3basicmodesofoperation.
ModesofoperationareNormalMode,MON08StandardMode,andMON08SpecialMode.
FollowingaretheModeSwitchsettingsandcapabilitiesforeachmodeofoperation:NORMALMODE–AllMODESwitchesareintheoffpositionandMON08isdisabled.
Programcontainedinthe68HC908GP32flashmemorywillbeexecutedfromResetorPowerup.
10MON08STANDARDMODE–MODESwitches1and2areONduringPowerup,the68HC908GP32flashmemoryResetVectorlocation(0xFFFE–FFFF)iserased(value=0xFFFF),andthesecuritybytevaluesareknown(valuesin0xFFF6–FFFD).
MON08willoperatenormallyat9600baudwithhostsoftware.
Modeswitches7and8canalsobeenabledtosupporthostBREAKandRESETfunctions,howeverthesecuritybytesfortheIRQvectorat0xFFFAandFFFBwillnotbeblankandmustbeknown(seetutorials).
MON08SPECIALMODE–Modeswitches1,2,3,4,5,6,and8areONduringPowerup.
The68HC908GP32flashmemorycontentsdoesnotneedtobeknown.
ThismodewillallowtheerasingoftheflashmemorysothatStandardModecanbeused.
AfterentryintospecialmodetheBulkEraseoftheinternalflashcanbeperformedsothatasubsequentpowerdownandrestartintoMON08StandardModecanbeperformed.
Ifthesecuritybytesareknown,thenSpecialModecancontinuetobeusedforthedebugsession.
However,thehostBREAKfunctionwillnotoperateduetoModeSwitchposition7beingintheOFFposition.
NotethatModeSwitchposition3and7cannotbeintheONpositionatthesametime.
InthiscasetheRESETvector(0xFFFE–FFFFhex)canbeerasedwhileinspecialModewhichwillallowreturntoMON08StandardModeonthenextpoweroff–oncycle.
CONNECTORSDEBUGPortTheDEBUGPortprovidesanRS-232levelserialinterfacefortheMC68HC908GP32-MON08monitor.
SeetheMODESwitchsectionforenablinganddisablingtheMON08monitor.
FollowingaretheDEBUGportconnections:Pin1,4&6ConnectedtogetherforNULLofRS232signalsDSR,DTR,andCD.
Pin2TransmitDatatoHostPCPin3ReceiveDatafromHostPC,alsoprovidesBREAKsignal,seenotebelow.
Pin5GroundcommonPin7,8ConnectedtogetherforNULLofRS232signalsRTSandCTS,alsoprovideRESETinputfromhostPCRTSsignalifMODEswitchposition8isON.
BREAKSignal-ThehostPCcansendatransmitbreakcharacterforhaltingcodeexecutionandreturningtheHC08toMON08controlfromtheexecutingapplicationifthefollowingconditionsaremet:1.
HC08IRQvectorisenabledtoperformBreakservicefortheMON08Monitor.
2.
MODESwitchposition7isON(3mustbeOFF).
3.
TheTransmittedBreakcharacterisaminimum15mslong.
11COMPortTheCOMPortprovidesanRS-232levelinterfacetotheMC68HC908GP32SCIserialportforsampleoruserapplications.
SeeJP1andJP2optionsalso.
FollowingarethesignalsprovidedontheCOMPort:Pin1,4&6ConnectedtogetherforNULLofRS232signalsDSR,DTR,andCD.
Pin2SCITransmitDatatoHostterminalPin3SCIReceiveDatafromHostterminalPin5GroundcommonPin7,8ConnectedtogetherforNULLofRS232signalsRTSandCTS.
NOTE:Pins1,4,6,7,8,and9haveuserconnectionpadsthatallowadditionaluserapplicationspecificconfigurationoftheCOMPortsuchashandshakesignaling.
Thepinscanbeisolatedfromeachotherbycuttingthetietracelocatedunderthepinidentificationprintontopoftheboard.
JP1-enablesconnectionofHC08SCIorPortPE0/TXDpintoCOMPortRS232transceiver.
JP2-enablesconnectionofHC08SCIorPortPE1/RXDpintoCOMPortRS232transceiver.
J1PowerConnectorThese3connectionpointsallowforalternatepowerinput(suchasabatteryorpowersupply)aswellasoutputvoltagesupply.
+V+7to16VDCunregulatedInputorOutputGNDGroundVCC+5VInputorOutputSPECIFICATIONSOscillator9.
8304MHzCrystalStandard,4.
9MHzor32KHzuseroption.
MaximumClock8MHzInternalOperatingTemperature0to70degreesCBoardSize4.
0x4.
0InchesPowerRequirement6–20VDC@20maInputTypical
,Suite209Richardson,TX75081(972)994-9676FAX(972)994-9170email:Gary@axman.
comweb:http://www.
axman.
comxiomanufacturingCMS-8GP32AMotorolaMC68HC908GP32MicrocontrollerBoard2CONTENTSCONTENTSFEATURES.
3GETTINGSTARTED.
4SoftwareDevelopment4TUTORIAL.
5BuildingSoftware.
5ProgrammingtheFlashMemory.
6ExecutinganApplication.
7MEMORYMAP.
8OPTIONSWITCHESANDJUMPERS9JumpersJP1andJP29MODESwitch.
9CONNECTORS10DEBUGPort.
10COMPort11J1PowerConnector.
11SPECIFICATIONS.
113FEATURESTheCMS-8GP32isaMotorolaMC68HC908GP32MicrocontrollerdevelopmentboardwithI/Opinheaders,oscillatorcircuit,powersupply,MON08DebugInterface,andRS232COMport.
TheMC68HC908GP32microcontrollerhasahostoffeatureswhichmakesitidealforlow-costembeddedcontrolapplications.
TheCMS-08GP32boardprovidesalowcostandeasytouseplatformtodevelopapplicationsonortouseinprototypegeneration.
BoardFeaturesRS232serialportwithDB9connectorfromHC08SCIport.
FullfeaturedMON08portwithDB9andRS232Levels.
HC08SingleChipOperationAllHC08I/OtoHeaderConnectornexttoprotoarea.
9.
8304MHzReferenceCrystalOscillatorinpinsockets.
+6-20VInputPowerSupplySolderlessPrototypeAreaMODESwitchforeasyconfiguration.
5Voperationstandard,3.
3VoperationoptionalMC68HC908GP32FeaturesCPU08coreprocessorStaticto8MHzinternalBusOperation,softwareselectable32KBytesFlashEEPROMonchip512BytesSRAMonchipSCIserialportSPIserialport8channel8bitADCTwo16bittimerswithPWMKeyboardInterrupton8pinsLowpowermodeswithPORResetandLVIfunctions.
BreakPointmoduleMON08developmentmonitor33I/Opins,26multiplexedwithinternalperipheralsDevelopmentSoftwareFeaturesMCU-EZfortheHC08provided.
ContainsAssemblerandLinkerwithWindowsIDE.
AxiomMON08DebuggerandProgrammingInterfaceforWindowsprovided.
DriveWayperipheraldriversourcecodegeneratorforWindowsprovided.
CompatiblewithHIWAREHiwave08software.
CompatiblewithPEMicroICS08GPZsoftware.
4GETTINGSTARTEDSeetheREADME.
TXTfileontheCDprovidedwiththisboardforallthedocumentationandsupportfilesprovided.
Togetstartedquickly,performthefollowingtestnowtomakesuretheboardisworkingcorrectlyandyouareabletocommunicatewithyourPCserialCOMport:1.
Connectoneendofthesupplied9-pinserialcabletoafreeCOMportonyourPC.
ConnecttheotherendofthecabletotheCOMportconnectorontheCMS-08GP32board.
2.
RunastandardANSIterminalcommunicationsprogramsetto9600baud,N,8,1.
Anyterminalprogramwillwork,includingthesimpleterminal(HyperTerminal)thatcomeswithMSWindows.
SeeTerminalSettingsinthismanualformoreinformation.
YoucanalsousetheAXIOMIDE(AX-IDE)fortheTerminal.
3.
VerifyallMODEswitchesareOFF,JP1andJP2areinstalled.
4.
Applypowertotheboardbyplugginginthe9Vpowertransformerwallplugthatcamewiththesystem.
5.
Ifeverythingisworkingproperly,youshouldseetheAxiompromptonyourterminal,similartothefollowing:AXIOMMFG.
CMS-08GP32UTILITIES1.
0Presskey1or21.
SerialPortTest2.
I/OPortTest(allswitchesoff)Yourboardisnowreadytouse.
IfyoudonotseethemenuandyouhavenotreprogrammedtheHC08flashpreviously,followthestepsinTroubleshootingtofindwhyyourPCCOMportwillnotcommunicatewiththeboard.
SoftwareDevelopmentSoftwaredevelopmentwillrequiretheuseofanHC08assemblerorcompilerandahostPCoperatingaMON08debuginterface.
SuppliedwiththisboardistheMotorolaMCUezHC08assemblertoolsalongwiththeAxiomMON08IDEforWindowsforDebuggingandFlashprogramming.
Inaddition,theHIWAREPantademoCDprovidedcontainsaCcompiler,assembler,linker,simulatorandMON08supporttools.
TheHIWAREsoftwarewilloperatein"demo"modewhichprovidessizelimitedassemblyoperationuntilitisregistered.
ThePEMicroICS08GPZtoolkitforthe68HC08hasalsobeentestedandworkswiththeCMS-8GP32board.
YoucandownloaditfromeitherMotorola(http://mcu.
motsps.
com/)orPEMicro(http://www.
pemicro.
com)websites.
ApowerfulsourcecodegenerationtoolcalledDriveWayisalsoprovidedonthesupportCD.
ThiscangenerateCsourcecodefortheHC08microcontrollerperipheralsforyou,basedonyourspecifications.
Seeit'sreadme.
txtfileformoreinformation.
5TUTORIALThissectionwaswrittentohelpyougetstartedwiththespecificsoftheCMS-8GP32softwaredevelopmentprocess.
Besuretoreadtherestofthismanualforfurtherinformation.
Also,youshouldseethe68HC08referencemanualandotherdocumentationontheCD.
Thefollowingsectionstakeyouthroughthecompletedevelopmentcycleofasimple"helloworld"program,whichsendsthestring"HelloWorld"totheserialport.
BuildingSoftwareYoucanwritesourcecodefortheCMS-8GP32boardusinganylanguagethatcompilestoMotorola68HC08instructions.
IncludedontheCDisafreeassemblerprovidedbyMotorolacalledMCUez.
ThisisaWindowsdevelopmentenvironmentandyoushouldinstallitnowifyouhaven'talready.
SeetheMotorolawebsittodownloadthelatestversion.
YoushouldwriteyoursourcecodeusingastandardASCIItexteditor.
ManypowerfulcodeeditorsareavailableoryoucanusethefreeEDITorNOTEPADprogramsthatcomewithyourcomputer.
Onceyoursourcecodeiswrittenandsavedtoafile,youcanassembleorcompileittoaMotorolaS-Record(hex)format.
Thistypeofoutputfileusuallyhasa.
MOT,.
HEX,SXor.
S19fileextensionandisinaformatthatcanbereadbyprogrammingutilitiestowritetheFlashMemoryontheCMS-8GP32board.
It'simportanttounderstandyourdevelopmentboard'suseofMemoryandAddressingwhenwritingsourcecodesoyoucanlocateyourcodeatvalidaddresses.
YoushouldputyourprogramCODEsomewhereintheFlashMemoryarea.
Inassemblylanguage,youcandothiswithORGstatementsinyoursourcecode.
AnylinesfollowinganORGstatementwillbeginatthatORGlocation,whichisthefirstnumberfollowingthewordORG,forexample:ORG$8000.
YoumuststartyourDATA(orvariables)inaRAMlocationunusedbyyourprogram,forexample:ORG$40.
YoumustalsoprogramtheSTACKregistersomewhereatthetopofyouravailableRAM,forexamplehex$23F.
AlookattheexampleprogramsontheCDcanmakethisclearer.
Asimpleprogramcalled"HELLO.
ASM"isprovidedunderthe\EXAMPLESdirectoryontheCD.
Ifyou'reusingacompilerinsteadofanassembler,consultthecompilerdocumentationformethodsusedtolocateyourcodeanddata.
Toassembletheexampleprogram:1.
LaunchtheMCUezshellandchoosetheAssemblerbutton.
2.
ChoseFile/Assemblefromthemenuandselectthe"HELLO.
ASM"thatwasinstalledonyourharddrivefromthesupportCD.
Youcanalsojust"drag"thefileintotheassemblerwindow.
3.
Theprogramshouldassemblewithoutanyerrorsandproducealistingfile,HELLO.
LST,andaMotorolahexoutputfilecalledHELLO.
SX.
Thelistingfileisespeciallyhelpfultolookatwhendebuggingyourprogram.
Ifyourprogramhaserrors,theywillbedisplayedandnooutputwillbegenerateduntilyoufixthem.
6ProgrammingtheFlashMemoryYoucanusethesuppliedMON08utilitytobothprogrammemoryanddebugyourapplicationsontheCMS-8GP32board.
DebuggingwiththeMON08iseasierifyouusethe2ndserialportonyourPC.
Thefollowingtutorial,however,willassumeonly1serialportconnectionisused.
1.
DisconnectpowerfromtheCMS-8GP32board.
2.
MoveallMODEswitchestoONexceptfor7whichshouldbeOFF.
JP1andJP2installed.
3.
AttachtheserialcabletotheDEBUGportconnectorontheCMS-08GP32board.
4.
Re-applypowertotheboard.
NOTE:Powershouldremainoffatleast3secondsaftertheMODEswitchesarechanged,toallowfullpowerdischarge.
5.
LaunchtheMON08forWindowsutilityinstalledfromthesupportCD.
InthewindowthatcomesupenteryourPCCOMportusedtoconnecttotheboard,the"checksecurity"boxshouldbechecked,andthesecuritybytescanbeanything(allFFforexample).
6.
SelecttheOKbutton.
TheMON08applicationwindow(shownbelow)shouldbedisplayed.
77.
SelecttheDebugmenuitemandchoose"MasseraseflashEEPROM".
ThiswilleraseanythingcurrentlyinFlashMemory.
8.
SelecttheDebugmenuagainandchoose"ProgramflashEEPROM".
Choosethe"HELLO.
SX"fileyoucompiledintheprevioussectionthenselecttheStarttoProgrambutton.
WhenfinishedprogrammingtheflashEEPROM,thedebuggershouldlocatetheprogramcounteratthebeginningofyourprogram.
Ifit'snot,rightclickontheProgramwindowandgothere.
Youcandebugorexecuteyourprogramnow,usingthesinglestep,breakpoint,trace,watchwindowandotherfeatures.
NOTE:IfyouwanttousetheBreakfeature,youmustselect"ProgramIRQvector"fromtheDebugwindow.
SeetheonlineHelpformoreinformation.
ExecutinganApplicationTheexample"hello"programsendsastringouttheserialport.
Ifyouhaveonly1serialcableconnectedtotheboard,youwillhavetotestitstand-alone-outsideoftheMON08debugger,sinceitalsousestheserialport.
Tomakeyourprogramrunonpower-up,dothefollowing:1.
ClosetheMON08program.
2.
Disconnectpowerfromtheboard.
3.
MoveallMODEswitchestotheOFFposition.
(powershouldremainoffatleast3secondsaftermovingtheMODEswitches).
4.
MovetheserialcablefromtheDEBUGconnectortotheCOMconnector.
(thisisnotrequiredifyou'reusing2serialcables).
5.
StartaserialterminalprogramonyourPC(thesuppliedAxIDEprogramontheCDwillwork)soyoucanseetheprogramrun.
6.
Reconnectpowertotheboard.
Youshouldseethemessage"HelloWorld"intheterminalwindow,everytimeyoupressakey.
Youcanmodifythissimpleprogramtodisplayotherstringsordoanythingyouwant.
Theproceduresforassemblingyourcode,programmingmemoryandexecutingitremainthesame.
8MEMORYMAPThememorymapfortheCMS-08GP32isfixedbythehostprocessor-theMC68HC908GP32.
Refertothe9GP32R3.
PDFfile,theMC68HC908GP32technicalmanual,fordetails.
Fordevelopmentuse,applicationcodeundertestmustresideintheinternal512byteSRAMorbeprogrammedintotheinternal32KByteFlashMemory.
0000MC68HC908GP32RegistersandI/O64Bytes0040SRAMMemoryStackandProgramDataarea512Bytes0240Unused32KBytes8000FLASHMemoryProgramCodeandConstantDataarea32KBytesFE00UtilityMemorySIMandInterruptStatus,Breakcontrol,FlashcontrolandMON08ROMarea500BytesFFF6FFFFVECTORSandSecurityMemoryPartofFlashmemoryblock,10Bytes9OPTIONSWITCHESandJUMPERSJumpersJP1andJP2OptionJumpersJP1andJP2provideconnectionoftheHC08SCITXDandRXDserialportpinstotheRS232TransceiverandCOMPort.
JP1connectsHC08I/OPortE(PTE0)pin0(TXD)andJP2connectsHC08PortE(PTE1)pin1(RXD).
Withthejumpersremoved,theCOMPortwillnotfunctionasnopathtotheportwillbeprovidedfromtheHC08.
TheI/OpinscanbeusedforsimpleI/OfunctionsorCMOSlevelserialportintheusersapplicationwiththejumpersremoved.
ConnectiontotheHC08pinscanbemadeontheJ2I/OPortHeader.
MODESwitchThe8positionMODESWITCHprovidesaneasymethodofconfiguringtheCMS-8GP32boardoperation.
Modeswitches1through6onlyeffect68HC908GP32operationduringPowerOnResetcondition.
ModeswitchesshouldalwaysbesetpriortopowerbeingappliedtotheCMS-8GP32board.
Fornormaloperationofaprograminstalledinthe68HC908GP32flashmemory,allswitchesshouldbeintheoffposition.
MON08operationisenabledandconfiguredbyplacingoneormoreswitchesintheonposition.
Followingisatableindicatingoperationofthemodeswitchesand68HC908GP32I/Oportpinseffected.
ItisimportantthatI/OportsusedforMON08configurationnotbedrivenfromusercircuitryorpossiblemisoperationordamagecanoccur.
MODESWITCHOPERATIONsettoONpositionHC08I/OPORTUSED1EnableMON08communicationpathPTA02EnableMON08forserialcommunicationPTA73EnableResetvectornotblankoperation*1IRQ4EnableOverrideclockselectionPTC05EnableOverrideclockselectionPTC16EnableOverrideclockselectionPTC37EnableMON08BREAKdetect*1IRQ8EnableMON08RESETRESET*1–MODESwitchposition3and7shouldneverbeONatthesametime.
TheCMS-8GP32boardisconfiguredtobeeasytousewith3basicmodesofoperation.
ModesofoperationareNormalMode,MON08StandardMode,andMON08SpecialMode.
FollowingaretheModeSwitchsettingsandcapabilitiesforeachmodeofoperation:NORMALMODE–AllMODESwitchesareintheoffpositionandMON08isdisabled.
Programcontainedinthe68HC908GP32flashmemorywillbeexecutedfromResetorPowerup.
10MON08STANDARDMODE–MODESwitches1and2areONduringPowerup,the68HC908GP32flashmemoryResetVectorlocation(0xFFFE–FFFF)iserased(value=0xFFFF),andthesecuritybytevaluesareknown(valuesin0xFFF6–FFFD).
MON08willoperatenormallyat9600baudwithhostsoftware.
Modeswitches7and8canalsobeenabledtosupporthostBREAKandRESETfunctions,howeverthesecuritybytesfortheIRQvectorat0xFFFAandFFFBwillnotbeblankandmustbeknown(seetutorials).
MON08SPECIALMODE–Modeswitches1,2,3,4,5,6,and8areONduringPowerup.
The68HC908GP32flashmemorycontentsdoesnotneedtobeknown.
ThismodewillallowtheerasingoftheflashmemorysothatStandardModecanbeused.
AfterentryintospecialmodetheBulkEraseoftheinternalflashcanbeperformedsothatasubsequentpowerdownandrestartintoMON08StandardModecanbeperformed.
Ifthesecuritybytesareknown,thenSpecialModecancontinuetobeusedforthedebugsession.
However,thehostBREAKfunctionwillnotoperateduetoModeSwitchposition7beingintheOFFposition.
NotethatModeSwitchposition3and7cannotbeintheONpositionatthesametime.
InthiscasetheRESETvector(0xFFFE–FFFFhex)canbeerasedwhileinspecialModewhichwillallowreturntoMON08StandardModeonthenextpoweroff–oncycle.
CONNECTORSDEBUGPortTheDEBUGPortprovidesanRS-232levelserialinterfacefortheMC68HC908GP32-MON08monitor.
SeetheMODESwitchsectionforenablinganddisablingtheMON08monitor.
FollowingaretheDEBUGportconnections:Pin1,4&6ConnectedtogetherforNULLofRS232signalsDSR,DTR,andCD.
Pin2TransmitDatatoHostPCPin3ReceiveDatafromHostPC,alsoprovidesBREAKsignal,seenotebelow.
Pin5GroundcommonPin7,8ConnectedtogetherforNULLofRS232signalsRTSandCTS,alsoprovideRESETinputfromhostPCRTSsignalifMODEswitchposition8isON.
BREAKSignal-ThehostPCcansendatransmitbreakcharacterforhaltingcodeexecutionandreturningtheHC08toMON08controlfromtheexecutingapplicationifthefollowingconditionsaremet:1.
HC08IRQvectorisenabledtoperformBreakservicefortheMON08Monitor.
2.
MODESwitchposition7isON(3mustbeOFF).
3.
TheTransmittedBreakcharacterisaminimum15mslong.
11COMPortTheCOMPortprovidesanRS-232levelinterfacetotheMC68HC908GP32SCIserialportforsampleoruserapplications.
SeeJP1andJP2optionsalso.
FollowingarethesignalsprovidedontheCOMPort:Pin1,4&6ConnectedtogetherforNULLofRS232signalsDSR,DTR,andCD.
Pin2SCITransmitDatatoHostterminalPin3SCIReceiveDatafromHostterminalPin5GroundcommonPin7,8ConnectedtogetherforNULLofRS232signalsRTSandCTS.
NOTE:Pins1,4,6,7,8,and9haveuserconnectionpadsthatallowadditionaluserapplicationspecificconfigurationoftheCOMPortsuchashandshakesignaling.
Thepinscanbeisolatedfromeachotherbycuttingthetietracelocatedunderthepinidentificationprintontopoftheboard.
JP1-enablesconnectionofHC08SCIorPortPE0/TXDpintoCOMPortRS232transceiver.
JP2-enablesconnectionofHC08SCIorPortPE1/RXDpintoCOMPortRS232transceiver.
J1PowerConnectorThese3connectionpointsallowforalternatepowerinput(suchasabatteryorpowersupply)aswellasoutputvoltagesupply.
+V+7to16VDCunregulatedInputorOutputGNDGroundVCC+5VInputorOutputSPECIFICATIONSOscillator9.
8304MHzCrystalStandard,4.
9MHzor32KHzuseroption.
MaximumClock8MHzInternalOperatingTemperature0to70degreesCBoardSize4.
0x4.
0InchesPowerRequirement6–20VDC@20maInputTypical
- 1.0科讯cms相关文档
- Surgery科讯cms
- hospitalization科讯cms
- Carriers科讯cms
- Follow科讯cms
- Privigen科讯cms
- recommendations科讯cms
Megalayer美国独立服务器新用户首月优惠350元（30M优化不限流量）
Megalayer 商家在开始看到有提供香港服务器、香港站群服务器的时候有介绍过，后来就一直没有怎么关注。但是前几天有看到网友使用到他们家的美国独立服务器问其如何的，但是我没有使用过就不好评论，这不前几天也有介绍到Megalayer美国独立服务器。以及我们也有看到商家有提供美国站群服务器和美国大带宽服务器产品，可选30M不限制流量CN2优化线路，以及100M不限制流量国际带宽线路。新年元旦后，Me...
NameCheap黑色星期五和网络礼拜一
如果我们较早关注NameCheap商家的朋友应该记得前几年商家黑色星期五和网络星期一的时候大促采用的闪购活动，每一个小时轮番变化一次促销活动而且限量的。那时候会导致拥挤官网打不开迟缓的问题。从去年开始，包括今年，NameCheap商家比较直接的告诉你黑色星期五和网络星期一为期6天的活动。没有给你限量的活动，只有限时六天，这个是到11月29日。如果我们有需要新注册、转入域名的可以参加，优惠力度还是比...
wordpress公司网站模板 wordpress简洁高级通用公司主题
wordpress公司网站模板，wordpresss简洁风格的高级通用自适应网站效果，完美自适应支持多终端移动屏幕设备功能，高级可视化后台自定义管理模块+规范高效的搜索优化。wordpress公司网站模板采用标准的HTML5+CSS3语言开发，兼容当下的各种主流浏览器： IE 6+(以及类似360、遨游等基于IE内核的)、Firefox、Google Chrome、Safari、Opera等;同时...
科讯cms为你推荐
-
操作httpaspweb服务器如何搭建简易Asp Web服务器360退出北京时间在国外如何把手机时间调回到中国北京时间？重庆电信dnsPSP上网急救！重庆电信的DNS是多少啊？verticalflash抢米网怎么样才能在小米官方网站抢到手机？购物车什么叫淘宝购物车小型汽车网上自主编号申请成都新车上牌办理流程和办理条件是如何的温州都市报招聘在温州哪里好找工作？温州都市报招聘温州哪里有招暑期工？怎么去？要什么条件？急......