Microchip Technology MCP6 series Datasheet

dsPICElmer 166An introduction to using the dsPICJohn J. McDonough, WB8RCR

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Chapter 2.5First Program - Blink an LEDThe first program will be the classic "flash an LED" program. This provides a simple look into progra

Chapter 2. First Program - Blink an LED6 The first time MPLAB-X is launched it will display the MPLAB-X "Start Page". The start page has ma

Creating the project7 The first panel chooses the overall type of project. Almost always the default selections of "MicrochipEmbedded" and

Chapter 2. First Program - Blink an LED8 The next selection is for the hardware programming or debugging tool. In this exercise, the simulator willbe

Creating the project9In the final project wizard panel, enter a name for the project.Figure 2.8. Assign project name

Chapter 2. First Program - Blink an LED10 Two panes will open on the left of the main MPLAB-X window. The upper pane (labeled Projects) willlist the

Editing and Compiling the Source112.2. Editing and Compiling the Source Once a project has been created, the next order of business is to create a fi

Chapter 2. First Program - Blink an LED12A dialog will open allowing you to provide a name for the project. Be certain the filename you choose endsin

Editing and Compiling the Source13Figure 2.12. Add codeFigure 2.13. Compile button

Elmer 166dsPIC Elmer 166An introduction to using the dsPICEdition 1Author John J. McDonough, WB8RCR [email protected] text of and illustrations in th

Chapter 2. First Program - Blink an LED142.3. Running the SimulatorFigure 2.14. Set a breakpointFigure 2.15. Debug program buttonFigure 2.16. Debuggin

Running the Simulator15Figure 2.17. Second toolbar rowFigure 2.18. Open the variables window

Chapter 2. First Program - Blink an LED16Figure 2.19. Create a watch expressionFigure 2.20. Select the variable to watchFigure 2.21. Observe the value

Debugging the program17Figure 2.22. Download program button2.5. Debugging the program 2.6. Documenting the program /* Exercise01_main.c - Blink an LED

Chapter 2. First Program - Blink an LED18// Ex02.c - Blink an LED#include <xc.h> int main (void){ _TRISD3 = 0;

Chapter 3.19Configuration Registers // Configuration fuses_FOSC (XT) // 7.3728 xtal / 4 = 1.8432 MIPS_FWDT (WDT_OFF)

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Chapter 4.21Timers // Set up timer // 7.3728 MHz * 16xPLL /Fosc/4 / 256 prescaler / 57600 counter // timer should fire twice per second. Since the

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Chapter 5.23Interrupts // Set up timer // 7.3728 MHz * 16xPLL /Fosc/4 / 256 prescaler / 57600 counter // timer should fire twice per second. Since

iiiPreface

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Chapter 6.25Liquid Crystal Displays

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Chapter 7.27The I2C Device RoutinesThere are a large number of parts available using the Inter-Integrated Circuit, or I2C, communicationsprotocol. I2C

Chapter 7. The I2C Device Routines28Since the DAC is a relatively simple device, using the routine is quite straightforward. Although theMCP4726 inclu

Using the MCP23008 I/O Expander29The MCP23008 I/O Expander is a more complex device[MCP5]. It has eight I/O pins, each of which maybe configured as an

Chapter 7. The I2C Device Routines307.4. Using the MB85RC16V FRAMThe MB85RC16V Ferroelectric Random Access Memory[FUJ1] is a 2Kx8 non-volatile memory

Chapter 8.31The I2C LibraryIn addition to the device routines, the library includes a complete set of low level I2C routines for deviceswith seven bit

Chapter 8. The I2C Library328.3. Sending data to an I2C deviceThus to send data to a device the sequence is: starting the transaction, sending the con

Chapter 9.33Building Libraries

Elmer 166ivC.3.3. Structure and Union types ... 59C.4. Control Flow

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Chapter 10.35Analog Inputs // Initialize ADC /* set port configuration here */ ADPCFGbits.PCFG8 = 0; // ensure AN8/RB8 is analog /* set channel s

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Chapter 11.37Reading Switches

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Chapter 12.39Pulse Width Modulation // Set up timer 2 for PWM TMR2 = 0; // Clear timer 2 PR2 = 1000; // Timer 2 cou

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Chapter 13.41Serial Output

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Chapter 14.43Serial Input

vPreface

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Chapter 15.45Unusual Devices

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47Appendix A. Installing MPLAB-X Figure A.1. Locate the Development ToolsFigure A.2. Select Tools to Download

Appendix A. Installing MPLAB-X48Figure A.3. Open Downloaded InstallerFigure A.4. Allow it to run

49Figure A.5. Install WizardFigure A.6. XC Already Downloaded

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51Appendix B. Setting up a project inMPLAB-X Figure B.1. MPLAB-X Desktop IconFigure B.2. New Project ButtonFigure B.3. MPLAB-X Project Type

Appendix B. Setting up a project in MPLAB-X52Figure B.4. Selecting the ProcessorFigure B.5. Select Programmer/DebuggerFigure B.6. Selecting the Toolch

53Figure B.8. Create a Source FileFigure B.9. Name the Source File

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55Appendix C. The C LanguageC.1. IntroductionThis appendix will not turn you into an expert C programmer, nor is it even a decent tutorial. it will,ho

Appendix C. The C Language56that long. Of course, this can have very unfortunate side effects. But C has great faith that you knew whatyou were doing

Array and Pointer types57Type Bits Min Maxunsigned long long 64 0 18446744073709551615 The following are the floating point types: Table C.2. Floati

Appendix C. The C Language58A pointer is specified by prefixing the name with an * in the declaration. Thus, int *n; specifies apointer, n, which poin

Structure and Union types59C.3.3. Structure and Union types struct { int PointID; double Temperature; double ScalingFactor; double Offset

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61Appendix D. The dsPIC-EL Board

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63Appendix E. Microchip PIC Families Figure E.1. PIC Families

Chapter 1.1Overview1.1. Overview of MicrocontrollersA microcontroller is a microprocessor intended for embedded1 applications.Microcontrollers differ

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65Appendix F. Compiler Support LocationsThe following directories are all relative to the compiler install directory which is typically something like

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67Appendix G. Revision HistoryRevision 0-3 Sun Jan 20 2013 John McDonough [email protected] correctionsRevision 0-2 Wed Jan 9 2013 John McDonough wb

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69Bibliography[Barr] Michael Barr. Copyright © 2012 Barr Group. Barr Group . Embedded Systems Glossary. E.[FUJ1] Sales Promotion Department, Fujitsu

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71IndexAAckI2C, 31ACKstatusI2C, 31ANSI C, 56Array, 55BBackspace characterin character literals, 57Basic, 55Bell characterin character literals, 57Brow

Index72MCP23008writeRegister, 29MCP4726, 27, 32MCP4726write, 28MPLAB-Xicon, 5launching, 5New project, 6New project wizard, 6Start page, 6MPLAB-X proje

Chapter 1. Overview2Figure 1.1. dsPIC OverviewTable 1.1. The dsPIC30F FamilyMinimum Maximum dsPIC30F4011Program Memory 6K 144K 48KData Memory 256 8192

Building Programs31.3. Building ProgramsFigure 1.3. Program Building Process