28-PIN DEMO BOARD USER’S GUIDE 2006-2015 Microchip Technology Inc. DS40001301B Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. • There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. • Microchip is willing to work with the customer who is concerned about the integrity of their code. • Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as “unbreakable.” Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act. Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer’s risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights. Trademarks The Microchip name and logo, the Microchip logo, dsPIC, FlashFlex, flexPWR, JukeBlox, KEELOQ, KEELOQ logo, Kleer, LANCheck, MediaLB, MOST, MOST logo, MPLAB, OptoLyzer, PIC, PICSTART, PIC32 logo, RightTouch, SpyNIC, SST, SST Logo, SuperFlash and UNI/O are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. The Embedded Control Solutions Company and mTouch are registered trademarks of Microchip Technology Incorporated in the U.S.A. Analog-for-the-Digital Age, BodyCom, chipKIT, chipKIT logo, CodeGuard, dsPICDEM, dsPICDEM.net, ECAN, In-Circuit Serial Programming, ICSP, Inter-Chip Connectivity, KleerNet, KleerNet logo, MiWi, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code Generation, PICDEM, PICDEM.net, PICkit, PICtail, RightTouch logo, REAL ICE, SQI, Serial Quad I/O, Total Endurance, TSHARC, USBCheck, VariSense, ViewSpan, WiperLock, Wireless DNA, and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries. GestIC is a registered trademarks of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries. All other trademarks mentioned herein are property of their respective companies. © 2006-2015, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. ISBN: 978-1-63277-341-8 QUALITY MANAGEMENT SYSTEM CERTIFIED BY DNV == ISO/TS 16949 == DS40001301B-page 2 Microchip received ISO/TS-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company’s quality system processes and procedures are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified. 2006-2015 Microchip Technology Inc. 28-PIN DEMO BOARD USER’S GUIDE Table of Contents Preface ........................................................................................................................... 5 Chapter 1. 28-Pin Demo Board Overview 1.1 Introduction ................................................................................................... 11 1.2 Highlights ...................................................................................................... 11 1.3 28-Pin Demo Board Supported Devices ..................................................... 11 1.4 28-Pin Demo Board Overview ..................................................................... 11 1.5 Powering the Demo Board ........................................................................... 12 1.5.1 External power supply ............................................................................... 12 1.5.2 Power by Programmer .............................................................................. 12 1.6 The Default Demonstration Program ............................................................ 13 Appendix A. Hardware Schematics A.1 Introduction .................................................................................................. 15 Worldwide Sales and Service .................................................................................... 19 2006-2015 Microchip Technology Inc. DS40001301B-page 3 28-Pin Demo Board User’s Guide NOTES: DS40001301B-page 4 2006-2015 Microchip Technology Inc. 28-PIN DEMO BOARD USER’S GUIDE Preface NOTICE TO CUSTOMERS All documentation becomes dated, and this manual is no exception. Microchip tools and documentation are constantly evolving to meet customer needs, so some actual dialogs and/or tool descriptions may differ from those in this document. Please refer to our web site (www.microchip.com) to obtain the latest documentation available. Documents are identified with a “DS” number. This number is located on the bottom of each page, in front of the page number. The numbering convention for the DS number is “DSXXXXXA”, where “XXXXX” is the document number and “A” is the revision level of the document. For the most up-to-date information on development tools, see the MPLAB IDE online help. Select the Help menu, and then Topics to open a list of available online help files. INTRODUCTION This chapter contains general information that will be useful to know before using the 28-Pin Demo Board. Items discussed in this chapter include: • • • • • • • • Document Layout Conventions Used in this Guide Warranty Registration Recommended Reading The Microchip Web Site Development Systems Customer Change Notification Service Customer Support Revision History DOCUMENT LAYOUT This document describes how to use the 28-Pin Demo Board as a development tool to emulate and debug firmware on a target board. The manual layout is as follows: • Section Chapter 1. “28-Pin Demo Board Overview” – This chapter provides an overview of the 28-pin Demo Board for Microchip’s 28-pin PIC® Microcontroller Units (MCU). • Appendix A. “Hardware Schematics” – Illustrates the 28-Pin Demo Board hardware schematic diagram, PCB layout and Bill of Materials. 2006-2015 Microchip Technology Inc. DS40001301B-page 5 28-Pin Demo Board User’s Guide CONVENTIONS USED IN THIS GUIDE This manual uses the following documentation conventions: DOCUMENTATION CONVENTIONS Description Arial font: Italic characters Initial caps Quotes Underlined, italic text with right angle bracket Bold characters N‘Rnnnn Text in angle brackets < > Courier New font: Plain Courier New Represents Examples Referenced books Emphasized text A window A dialog A menu selection A field name in a window or dialog A menu path MPLAB® IDE User’s Guide ...is the only compiler... the Output window the Settings dialog select Enable Programmer “Save project before build” A dialog button A tab A number in verilog format, where N is the total number of digits, R is the radix and n is a digit. A key on the keyboard Click OK Click the Power tab 4‘b0010, 2‘hF1 Italic Courier New Sample source code Filenames File paths Keywords Command-line options Bit values Constants A variable argument Square brackets [ ] Optional arguments Curly brackets and pipe character: { | } Ellipses... Choice of mutually exclusive arguments; an OR selection Replaces repeated text Represents code supplied by user DS40001301B-page 6 File>Save Press <Enter>, <F1> #define START autoexec.bat c:\mcc18\h _asm, _endasm, static -Opa+, -Opa0, 1 0xFF, ‘A’ file.o, where file can be any valid filename mcc18 [options] file [options] errorlevel {0|1} var_name [, var_name...] void main (void) { ... } 2006-2015 Microchip Technology Inc. Preface WARRANTY REGISTRATION Please complete the enclosed Warranty Registration Card and mail it promptly. Sending in the Warranty Registration Card entitles users to receive new product updates. Interim software releases are available at the Microchip web site. RECOMMENDED READING This user’s guide describes how to use 28-Pin Demo Board. Other useful documents are listed below. The following Microchip documents are available and recommended as supplemental reference resources. PIC16F883/884/886/887 (DS40001291) Consult this document for information regarding the PIC16F883/884/886/887 28/40/44-Pin Enhanced Flash-Based, 8-Bit CMOS Microcontroller. PICkit™ 3 Microcontroller Programmer User’s Guide (DS52116) Consult this document for instructions on how to use the PICkit™ 3 In-Circuit Debugger/Microcontroller Programmer software and hardware. MPLAB® ICD User’s Guide (DS51184) Consult this document for more information pertaining to the features and functions of the MPLAB In-Circuit Debugger (ICD) software. MPLAB® X IDE User’s Guide (DS50002027) Consult this document for more information pertaining to the installation and features of the MPLAB X Integrated Development Environment (IDE) software. MPLAB® Code Configurator User’s Guide (DS40001725) Consult this document for instructions on how to use the MPLAB Code Configurator to generate peripheral driver code. Readme Files For the latest information on using other tools, read the tool-specific Readme files in the Readmes subdirectory of the MPLAB X IDE installation directory. The Readme files contain update information and known issues that may not be included in this user’s guide. 2006-2015 Microchip Technology Inc. DS40001301B-page 7 28-Pin Demo Board User’s Guide THE MICROCHIP WEB SITE Microchip provides online support via our web site at www.microchip.com. This web site is used as a means to make files and information easily available to customers. Accessible by using your favorite Internet browser, the web site contains the following information: • Product Support – Data sheets and errata, application notes and sample programs, design resources, user’s guides and hardware support documents, latest software releases and archived software • General Technical Support – Frequently Asked Questions (FAQs), technical support requests, online discussion groups, Microchip consultant program member listing • Business of Microchip – Product selector and ordering guides, latest Microchip press releases, listing of seminars and events, listings of Microchip sales offices, distributors and factory representatives DEVELOPMENT SYSTEMS CUSTOMER CHANGE NOTIFICATION SERVICE Microchip’s customer notification service helps keep customers current on Microchip products. Subscribers will receive e-mail notification whenever there are changes, updates, revisions or errata related to a specified product family or development tool of interest. To register, access the Microchip web site at www.microchip.com, click on Customer Change Notification and follow the registration instructions. The Development Systems product group categories are: • Compilers – The latest information on Microchip C compilers, assemblers, linkers and other language tools. These include all MPLAB C compilers; all MPLAB assemblers (including MPASM assembler); all MPLAB linkers (including MPLINK object linker); and all MPLAB librarians (including MPLIB object librarian). • Emulators – The latest information on Microchip in-circuit emulators.This includes the MPLAB REAL ICE and MPLAB ICE 2000 in-circuit emulators. • In-Circuit Debuggers – The latest information on the Microchip in-circuit debuggers. This includes MPLAB ICD 3 in-circuit debuggers and PICkit 3 debug express. • MPLAB IDE – The latest information on Microchip MPLAB IDE, the Windows Integrated Development Environment for development systems tools. This list is focused on the MPLAB IDE, MPLAB IDE Project Manager, MPLAB Editor and MPLAB SIM simulator, as well as general editing and debugging features. • Programmers – The latest information on Microchip programmers. These include production programmers such as MPLAB REAL ICE in-circuit emulator, MPLAB ICD 3 in-circuit debugger and MPLAB PM3 device programmers. Also included are non-production development programmers such as PICSTART Plus and PICkit 2 and 3. DS40001301B-page 8 2006-2015 Microchip Technology Inc. Preface CUSTOMER SUPPORT Users of Microchip products can receive assistance through several channels: • • • • Distributor or Representative Local Sales Office Field Application Engineer (FAE) Technical Support Customers should contact their distributor, representative or field application engineer (FAE) for support. Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of this document. Technical support is available through the web site at http://www.microchip.com/support. REVISION HISTORY Revision A (October 2006) • Initial Release of this Document. Revision B (April 2015) • Updated for PICkit™ 3, MPLAB® X IDE, XC8 compiler and MPLAB® Code Configurator. 2006-2015 Microchip Technology Inc. DS40001301B-page 9 28-Pin Demo Board User’s Guide NOTES: DS40001301B-page 10 2006-2015 Microchip Technology Inc. 28-PIN DEMO BOARD USER’S GUIDE Chapter 1. 28-Pin Demo Board Overview 1.1 INTRODUCTION The 28-Pin Demo Board is a small and simple demonstration PCB for Microchip’s 28-pin Dual Inline Package (DIP) PIC® Microcontroller Units (MCUs). It is populated with a PIC16F886 MCU, four LEDs, a push button and a potentiometer. The demo board has several test points to access the I/O pins of the MCU and a prototyping area. The MCU can be programmed with the PICkit™ 3 Microcontroller Programmer or the MPLAB® ICD 3 using the RJ-11 to 6-pin inline adapter (AC164110). 1.2 HIGHLIGHTS This chapter discusses: • 28-Pin Demo Board Supported Devices • The 28-Pin Demo Board Overview • Running the Default Demonstration 1.3 28-PIN DEMO BOARD SUPPORTED DEVICES The 28-Pin Demo Board can be used with virtually any 28-pin Dual Inline Package (DIP) PIC MCU. The assembled 28-Pin Demo Board is populated with a PIC16F886-I/P microcontroller. Additional 28-Pin Demo Boards can be ordered from Microchip Technology or distributors via the part number DM164120-3. It comes with one assembled demo board, two blank 28-Pin Demo Boards and samples of PIC16F1938 and PIC18F26K22. The blank demo board can be used for evaluating or prototyping circuits using any of the PIC10F, PIC12F, PIC16F or PIC18F 28-pin devices. 1.4 28-PIN DEMO BOARD OVERVIEW The 28-Pin Demo Board is populated with a PIC16F886 MCU (U1), four LEDs (DS1-DS4), a push button (SW1), a 32 kHz crystal (X2) and a potentiometer (RP1). The board layout is shown in Figure 1-1. The demo board has several test points to access the I/O pins of the MCU and a prototyping area. The MCU can be programmed with the PICkit™ 3 via header P1 or the MPLAB® ICD 3 using the RJ-11 to 6-pin inline adapter (AC164110). 2006-2015 Microchip Technology Inc. DS40001301B-page 11 28-Pin Demo Board User’s Guide FIGURE 1-1: 28-PIN DEMO BOARD PICkit™ 3 Programming Header Aux Power Connector Crystal Mounting Pads PICkit™ Serial Analyzer Header 32 kHz Crystal Push Button SW1 Prototyping Area Potentiometer RP1 LEDs DS1-DS4 1.5 POWERING THE DEMO BOARD The 28-Pin Demo Board supports the ability to power the board by two options. 1.5.1 External power supply The 28-Pin Demo Board can be powered with an external 3 to 5.5V power supply. Connect a 3 to 5.5V bench power supply to header P2. 1.5.2 Power by Programmer In order to use the PICkit™ Microcontroller Programmer, connect it to a PC USB port using the USB cable. Connect the PICkit™ 3 to the ICSP™ connector header P1 on the 28-pin Demo Board. Open the Project Properties window in the MPLAB® X IDE, click on the PICkit 3 option and select Options> Categories>Power. Select the checkbox labeled “Power target circuit from PICkit 3”. Then select 5V for voltage, as shown in Figure 1-2. Click Apply and then OK. The board can be programmed with these settings. DS40001301B-page 12 2006-2015 Microchip Technology Inc. 28-Pin Demo Board Overview FIGURE 1-2: 1.6 POWERING THE DEMO BOARD WITH PICkit™ 3 THE DEFAULT DEMONSTRATION PROGRAM The assembled 28-Pin Demo Board populated with a PIC16F886-I/P comes preprogrammed with a demonstration program. A demo program for PIC16F1938 is also available. Driver APIs for the peripherals to be used in the application can be generated automatically using the Microchip Code Configurator (MCC) for the latest 8-bit PIC microcontrollers. Note: Driver APIs for PIC16F1938 in the demo program are generated using MCC. For details about the Microchip Code Configurator (MCC) go to http://www.microchip.com/pagehandler/en_us/devtools/code_configurator. The Demo Board will blink the LEDs in the Reset pattern. The Reset pattern consists of three different LED blink patterns. During the first pattern, the LEDs will “ping-pong” (LED1, 2, 3 and 4, then LED 4, 3, 2 and 1). Then, the LEDs will blink ON and OFF in unison. In the third pattern, the LEDs will perform the ADC, where values 0x0A, 0x0D and 0x0C will be displayed in sequence followed by the Most Significant four bits of the ADC result measuring channel 1, which is the on-board potentiometer. 2006-2015 Microchip Technology Inc. DS40001301B-page 13 28-Pin Demo Board User’s Guide NOTES: DS40001301B-page 14 2006-2015 Microchip Technology Inc. 28-PIN DEMO BOARD USER’S GUIDE Appendix A. Hardware Schematics A.1 INTRODUCTION This appendix contains the 28-Pin Demo Board schematic, PCB layout and Bill of Materials. FIGURE A-1: 2006-2015 Microchip Technology Inc. SCHEMATIC DIAGRAM DS40001301B-page 15 28-Pin Demo Board User’s Guide DS40001301B-page 16 FIGURE A-2: SILKSCREEN FIGURE A-3: TOP COPPER 2006-2015 Microchip Technology Inc. Hardware Schematics FIGURE A-4: TABLE A-1: BOTTOM COPPER BILL OF MATERIALS Bill of Materials Designation Qty Description C1, C2 2 Capacitor, Ceramic, 0.1 F, 5%, X7R C6, C7 2 Capacitor, Ceramic, 122 pF, 50V, C0G R3-R6 4 Resistor, 470, 5%, 1/8W R2, R7 2 Resistor, 1 k, 5%, 1/8W R1 1 Resistor, 10 k, 5%, 1/8W R8 1 Resistor 200 k5%, 1/8W RP1 1 Potentiometer 10 kthumbwheel DS1-DS4 4 LED, Red T1-3/4 SW1 1 Switch, push button, momentary U1 – Microcontroller 1 28-pin PIC® MCU P1, P3 2 Connector, header, right-angle, 6-pin, 0.100” spacing, 0.025” JP1 1 Connector, header, 2-pin, 0.100” spacing, 0.025” square Rubber Feet 4 Bumpon square, 0.40 x 0.10, black X2 1 Crystal, tuning fork, cylinder, 12.5 pF J1 1 Connector, receptacle 1x14-pin 2006-2015 Microchip Technology Inc. DS40001301B-page 17 28-Pin Demo Board User’s Guide NOTES: DS40001301B-page 18 2006-2015 Microchip Technology Inc. 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