ENTESLA PIC KICK User manual

PIC KICK

USER MANUAL

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Aproductof

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PIC Kick User Manual

Embedded Designs and Solutions

Features

1. On-boardMicrochip’sPIC18f4520microcontrollerwithserialbootloader

(Externalprogrammernotrequired*).

2. Powerjackforanexternalpowersupplyfrom8to16VAC/DC.Alternativelythe

boardcanbepoweredthroughtheon-boardminiUSBconnector.

3. ConnectortosupportMICROCHIP’sprogramming/debuggingproductline(ICD2,

ICD3,PICkit2andPICkit3)andsimilardevelopmenttools.

4. OnboardUSBtoSerialconvertertoimplementUARTcommunicationusingthe

standardUSBportonthecomputer.

5. DirectPortAccesstoalltheportpinsforinterfacingexternalcircuitsand

ADD-ONs.

6. 16x2CharacterLCDinterfaceoperatingin4-bitmodeand a potentiometerto

varythecontrastofCharacterLCD.

7. Replaecablecrystalof12MHztoclockthemicrocontroller.

8. PushbuttontohardwareresettheMCU.

9. FourPushButtonstoprovidedigitalinputtoselectedGPIO.

10. FourLEDstodisplaystatusofselectedGPIOpinswithanoptiontodisableusing

ajumper.

11. VariableAnalogInputusingapotentiometertoaselectedchannel.

12. OnboardUSBconnectortocommunicateoverUSB.

13. Well-documentedtopandbottomsideforeasyhardwaretroubleshooting.

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*Iftheserialbootloaderpresentontheinternalflashromiserasedthemicrocontrollercannot

beprogrammedusingtheUSB-UARTbridge.AnexternalICSPProgrammerwouldberequiredto

reprogramthebootloaderintotheflashofthemicrocontroller.

PIC Kick User Manual

Embedded Designs and Solutions

Thecontentsinthisdocumentcanbesharedandusedforeducationalandcommercial

purposewithapriorpermissionfromENTESLA.

Disclaimer

Reasonablecarehasbeentakentopreparethisdocument,butnoguaranteeisgivento

correctnessofitscontent.Ourproductsareundercontinualimprovementandwe

reservetherightstomakechangeswithoutanynotice.

Trademark

Alltrademarksarepropertiesoftheirrespectiveowners.

MICROCHIP®isaregisteredtrademarkofMicrochipTechnologyInc.

RevisionHistory

Revision



RevisionHistory





Date





1.0



FirstRelease





August



201



PIC Kick User Manual

Embedded Designs and Solutions

TableofContents

SectionNo.



SectionName



PageNo.



Disclaimer



Trademark



RevisionHistory



PackageContents

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GettingStarted

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Introduction

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SafetyInstructions



PowerSupply



MicrocontrollerandOscillatorCircuit



Reset

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Programmer/DebuggerInterface

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LEDs



PushButtons



AnalogInput



CharacterLCD(4

bitMode)



UART



18.



USB



19.



DirectPortAccess

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PIC Kick User Manual

Embedded Designs and Solutions

PackageContents

·PICKICKdevelopmentboardwithPIC18f4520microcontroller.

·USBCable.

·CharacterLCD.

GettingStarted

1. ThePICKICKDevelopmentBoardshipswiththefollowingconfiguration

·APIC18f5420microcontroller.

·A12MHzCrystal.

·Alljumpersindefaultposition.Thedefaultpositionismarkedby a

bracketedwhitelinesetagainstthejumperpositionasshownin

Figure.1.



2. PowertheboardeitherusinganexternaladapterorusingtheUSBporton a

computerconnectedtotheUSB-UARTsection.Thesourceofpowerisselected

usingthejumperJP1.

3. Themicrocontrollershippedwiththedevelopmentboardcomespre-

programmedwithanLEDdemocode.WhenboardispoweredON,theuserLEDs

startblinking.

4. ExploretheUserManual,ApplicationnotesandDemosourcecodewhichcanbe

foundonthewebsite.



Figure.

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Jumper placed in

default position

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PIC Kick User Manual

Embedded Designs and Solutions

Introduction

FirstlywewouldliketothankyouforyourinterestinPICKICKdevelopmentboard.We

hereatENTESLAbelieveinprovidingyouqualitydevelopmenttoolsforrealizingyour

innovativeideasinthefieldofembeddedsystems.

PICKICKisanembeddedsystemdevelopmentboardforMicrochip’s40pin8-bit

microcontroller.Itisalowcostkickstartboarddesignedtohelpprofessionals,students

andamateurstoexplorethecapabilityofPIC16,PIC18architectureandpractice

applicationdevelopmentforvariousinterfaceswithminimalhardwarereconfiguration.

ThePICKICKDevelopmentboardcomeswith a usermanualwithschematics,demos

andsourcecodesforgettingstartedwithPIC18f4520microcontroller.Theuserisfree

tousethelibrariesprovidedwiththeboardandmakechangessuitingtheirneeds.

SafetyInstructions

§Readtheusermanualcarefullyforexactjumperposition.

§Keepthedevelopmentboardawayfromhumidenvironment.

§Ensurethatyousupplytheboardwith9to16VoltsAC/DC.

§DisconnectthepowersupplybeforeconnectingLCDorotherexternalcircuit.

§Allcautionsandwarningsshouldbenoted.



Figure.2

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PIC Kick User Manual

Embedded Designs and Solutions

PowerSupply

ThePICKICKdevelopmentboardcanbepoweredeitherusinganexternalpower

supplyorUSB.Forexternalpowersupply,ensurethattheoutputisinrangeof8to16

VoltsAC/DCwith aminimumcurrentratingof200mA.AnonboardLM7805voltage

regulatorisusedtoregulatetheAC/DCinputto+5VD.Coutput.Electrolyticcapacitors

areusedtoreducetheripplesinthevoltage.Theceramiccapacitorsareusedto

suppressthehighfrequencynoisepresentattheoutputofthevoltageregulator.

Inabsenceofexternalpowersupply,theboardcanalsobepoweredby a

computer’sUSBportusingtheUSB-UARTbridge.Ajumper(JP1)isprovidedtoselect

thepowersourceandanLEDisusedasanindicator.

Figure.3illustratestheschematicofthepowersupplysectiononthePICKICK

developmentboard.



Figure



Figure.



PIC Kick User Manual

Embedded Designs and Solutions

MicrocontrollerandOscillatorCircuit



ThePICKICKdevelopmentboardfeaturesMicrochip’sPIC18f4520microcontroller.The

microcontrollerfeatures1.5kBofRAM,32kBofon-chipflashROMand256Bytesof

EEPROM.TheFigure.5belowillustratesthemicrocontrollerandtheoscillatorcircuit.



Thedevelopmentboardcomeswithareplaceable12MHzcrytaloscillator.Using

theinternalPLLblockofPIC18f4520,theprocessorcanbeclockedatupto40MHz.



Reset

AresetisgeneratedbyholdingtheMCLRpinlow.Asshownin

Figure.6.Resetbuttoncanbeusedtoresetthemicrocontroller.

ThestateofMCLRcanalsobecontrolledusingaPCbasedutilityor

theMPLABIDEifanICSPprogrammerisused.



Figure.5



Figure.6



PIC Kick User Manual

Embedded Designs and Solutions

Programmer/DebuggerInterface



ThePICKICKDevelopmentboardprovidesanoptiontoprogramthemicrocontroller

on-boardusingtheon-chipserialbootloaderorusinganICSPprogrammer.

ProgrammingusingOn-Chipbootloader

ThePIC18f4520onPICKICKdevelopmentboardshipswithanon-chipserial

bootloader.TheUSB-UARTbridgecanbeusedtodownloadtheprogramcodeintothe

internalflashrom.



ProgrammingusingICSPProgrammer/Debugger

ThePIC18f4520programmercanalsobeprogrammed/debuggedbyIn-Circuit

SystemProgrammingInterface(ICSP)using acompatibleprogrammer/debuggersuch

asPICkitorICD.



Note:Iftheserialbootloaderpresentontheinternalflashromiserasedthe

microcontrollercannotbeprogrammedusingtheUSB-UARTbridge.



Figure.7



Figure.8



Figure.9



PIC Kick User Manual

Embedded Designs and Solutions

LEDs

Thereareatotalof4LEDsconnectedtotheportpinsofthemicrocontrolleronPIC

KICKDevelopmentBoard.TheLEDsareconnectedtoPORTpinsRD0,RD1,RD2,RD3.

ThejumperJP6canbeusedtoenableordisabletheLEDsonthedevelopmentboard.

TheschematicoftheLEDinterfaceisshowninFigure.11.TheFigure.10belowshows

thejumperpositiontoenabletheLEDs.







Figure.1



Figure.1



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