PICkitTM Serial SPI Demo Board User's Guide (c) 2007 Microchip Technology Inc. DS51658A 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in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates.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, Accuron, dsPIC, KEELOQ, KEELOQ logo, microID, MPLAB, PIC, PICmicro, PICSTART, PRO MATE, PowerSmart, rfPIC, and SmartShunt are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. AmpLab, FilterLab, Linear Active Thermistor, Migratable Memory, MXDEV, MXLAB, PS logo, SEEVAL, SmartSensor and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. Analog-for-the-Digital Age, Application Maestro, CodeGuard, dsPICDEM, dsPICDEM.net, dsPICworks, ECAN, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP, ICEPIC, Mindi, MiWi, MPASM, MPLAB Certified logo, MPLIB, MPLINK, PICkit, PICDEM, PICDEM.net, PICLAB, PICtail, PowerCal, PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock 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. All other trademarks mentioned herein are property of their respective companies. (c) 2007, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received ISO/TS-16949:2002 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona, Gresham, Oregon and Mountain View, California. The Company's quality system processes and procedures are for its PIC(R) MCUs and dsPIC(R) DSCs, KEELOQ(R) 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. DS51658A-page ii (c) 2007 Microchip Technology Inc. PICkitTM SERIAL SPI DEMO BOARD USER'S GUIDE Table of Contents Preface ........................................................................................................................... 1 Introduction............................................................................................................ 1 Document Layout .................................................................................................. 1 Conventions Used in this Guide ............................................................................ 2 Recommended Reading........................................................................................ 3 The Microchip Web Site ........................................................................................ 3 Customer Support ................................................................................................. 4 Document Revision History ................................................................................... 4 Chapter 1. Product Overview ....................................................................................... 5 1.1 Introduction ..................................................................................................... 5 1.2 Highlights ........................................................................................................ 5 1.3 SPI Serial Communications ............................................................................ 6 1.4 What The PICkitTM Serial SPI Demo Board Kit Includes ................................ 6 Chapter 2. Installation and Operation ......................................................................... 7 2.1 SPI Demo Board Operation ............................................................................ 7 2.2 Devices ........................................................................................................... 8 Appendix A. Schematic and Layouts ........................................................................... 9 A.1 Introduction .................................................................................................... 9 A.2 Board - Schematic - Page 1 ......................................................................... 10 A.3 Board - Schematic - Page 2 ......................................................................... 11 A.4 Board - Top Silk Layer ................................................................................. 12 A.5 Board - Top Layer ........................................................................................ 12 A.6 Board - Bottom Layer ................................................................................... 12 Appendix B. Bill Of Materials (BOM) .......................................................................... 13 Worldwide Sales and Service .................................................................................... 14 (c) 2007 Microchip Technology Inc. DS51658A-page iii PICkitTM Serial SPI Demo Board User's Guide DS51658A-page iv (c) 2007 Microchip Technology Inc. PICkitTM SERIAL SPI 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(R) IDE on-line help. Select the Help menu, and then Topics to open a list of available on-line help files. INTRODUCTION This chapter contains general information that will be useful to know before using the PICkitTM Serial SPI Demo Board. Items discussed in this chapter include: * * * * * * Document Layout Conventions Used in this Guide Recommended Reading The Microchip Web Site Customer Support Document Revision History DOCUMENT LAYOUT This document describes how to use the PICkitTM Serial SPI Demo Board as a development tool. The manual layout is as follows: * Chapter 1. "Product Overview" - Important information about the PICkitTM Serial SPI Demo Board. * Chapter 2. "Installation and Operation" - Includes instructions on how to use the PICkitTM Serial SPI Demo Board. * Appendix A. "Schematic and Layouts" - Shows the schematic and layout diagrams for the PICkitTM Serial SPI Demo Board. * Appendix B. "Bill Of Materials (BOM)" - Lists the parts used to build the PICkitTM Serial SPI Demo Board. (c) 2007 Microchip Technology Inc. DS51658A-page 1 PICkitTM Serial SPI Demo Board User's Guide CONVENTIONS USED IN THIS GUIDE This manual uses the following documentation conventions: DOCUMENTATION CONVENTIONS Description Arial font: Italic characters Represents Referenced books Emphasized text A window A dialog A menu selection A field name in a window or dialog A menu path MPLAB(R) 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 #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} 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 code supplied by user DS51658A-page 2 Examples File>Save Press <Enter>, <F1> var_name [, var_name...] void main (void) { ... } (c) 2007 Microchip Technology Inc. Preface RECOMMENDED READING This user's guide describes how to use PICkitTM Serial SPI Demo Board. Other useful documents are listed below. The following Microchip documents are available and recommended as supplemental reference resources. 25AA020A/25LC020A Data Sheet, "2K SPI Bus Serial EEPROM" (DS21833) This data sheet provides detailed information regarding the 25LC020A family. TC77 Data Sheet, "Thermal Sensor with SPI Interface" (DS20092) This data sheet provides detailed information regarding the TC77 product. MCP3201 Data Sheet, "2.7V 12-Bit A/D Converter with SPI Serial Interface" (DS21290) This data sheet provides detailed information regarding the MCP3201 product. MCP4821/MCP4822 Data Sheet, "12-Bit DAC with Internal Vref and SPI Interface" (DS21953) This data sheet provides detailed information regarding the MCP4822 product. MCP41XXX/42XXX Data Sheet, "Single/Dual Digital Potentiometer with SPI Interface" (DS11195) This data sheet provides detailed information regarding the MCP41010 product. MCP6S91/2/3 Data Sheet, "Single Ended, Rail-to-Rail I/O, Low Gain PGA" (DS21908) This data sheet provides detailed information regarding the MCP6S92 product. MCP23008/MCP23S08 Data Sheet, "8-Bit I/O Expander with Serial Interface" (DS21919) This data sheet provides detailed information regarding the MCP23008/MCP23S08 product. 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 (c) 2007 Microchip Technology Inc. DS51658A-page 3 PICkitTM Serial SPI Demo Board User's Guide 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 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://support.microchip.com DOCUMENT REVISION HISTORY Revision A (April 2007) * Initial Release of this Document. DS51658A-page 4 (c) 2007 Microchip Technology Inc. PICkitTM SERIAL SPI DEMO BOARD USER'S GUIDE Chapter 1. Product Overview 1.1 INTRODUCTION The PICkitTM Serial SPI Demo Board demonstrates SPI serial communications and operation of the following devices: * * * * * * * 25LC020A - 2K SPI Bus Serial EEPROM TC77-5.0 - Thermal Sensor with SPI Interface MCP3201 - 2.7V 12-Bit A/D Converter with SPI Serial Interface MCP4822 - 12-Bit DAC with Internal VREF and SPI Interface MCP41010 - Single/Dual Digital Potentiometer with SPI Interface MCP6S92 - Single-Ended, Rail-to-Rail I/O, Low-Gain PGA MCP23S08 - 8-Bit I/O Expander with Serial Interface The PICkitTM Serial SPI Demo Board was designed to easily connect to the PICkit Serial Analyzer (DV164122). The PICkit Serial Analyzer provides the SPI master mode serial communications and power. The PICkitTM Serial SPI Demo Board devices all operate in the SPI slave mode and can easily be connected to virtually any demo or development board by connecting the communications lines to connector P1. 1.2 HIGHLIGHTS This chapter discusses: * SPI Serial Communications * SPI Demo Board Operation * SPI Demo Board Devices FIGURE 1-1: PICkitTM Serial SPI Demo Board. (c) 2007 Microchip Technology Inc. DS51658A-page 5 PICkitTM Serial SPI Demo Board User's Guide 1.3 SPI SERIAL COMMUNICATIONS It is assumed that the user is familiar with the SPI protocol. For more information see: * An SPI tutorial is available on the Microchip Technology website. Click on the links: Support --> Getting Started --> PIC MCU Tutorials --> SPI - PICmicro(R) Serial Peripheral Interface * Several application notes are available on the Microchip Technology website. Click on links: Design --> App Notes --> Function: Communications --> SPI 1.4 WHAT THE PICkitTM SERIAL SPI DEMO BOARD KIT INCLUDES This PICkitTM Serial SPI Demo Board Kit includes: * PICkitTM Serial SPI Demo Board (102-00135) * Analog and Interface Products Demonstration Boards CD-ROM (DS21912) - PICkitTM Serial SPI Demo Board User's Guide (DS51658) DS51658A-page 6 (c) 2007 Microchip Technology Inc. PICkitTM SERIAL SPI DEMO BOARD USER'S GUIDE Chapter 2. Installation and Operation 2.1 SPI DEMO BOARD OPERATION The PICkitTM Serial SPI Demo Board was designed to easily connect to the PICkit Serial Analzyer (DV164122). Refer to the PICkit Serial Analyzer User's Guide (DS51647) chapter on SPI Master Communications mode for configuration and operation information of the PICkit Serial Analyzer. The PICkit Serial Analyzer provides the SPI master mode serial communications and power. The PICkitTM Serial SPI Demo Board devices all operate in the SPI slave mode. Figure 2-1 shows the PICkitTM Serial SPI Demo Board block diagram. The PICkit Serial Analyzer has only one active low chip select (CS) line. Individual devices are enabled by inserting the 2-pin shunt onto jumper JP1 through JP7 to connect the CS line to the device. Only one jumper should be inserted at a time. Note: 25LC020 JP1 Only one jumper should be inserted into JP1 though JP7 at a time. Incorrect device operation will occur. TC77-5.0 JP2 MCP3201 JP3 MCP4822 JP4 MCP41010 JP5 MCP6S92 JP6 MCP23S08 JP7 CS MISO SCK MOSI FIGURE 2-1: PICkitTM Serial SPI Demo Board Block Diagram. Connector P1 connects to the PICkit Serial Analyzer or virtually any demo or development board. Connector P1 pin assignments are listed in Table 2-1. TABLE 2-1: Pin SPI DEMO BOARD CONNECTOR P1 PIN ASSIGNMENTS Label Type 1 CS Input 2 +V Power Power 3 GND Ground Ground 4 MISO Output Master In, Slave Out 5 SCK Input Serial Clock 6 MOSI Input Master Out, Slave In (c) 2007 Microchip Technology Inc. Description Chip Select (Active Low) DS51658A-page 7 PICkitTM Serial SPI Demo Board User's Guide 2.2 DEVICES 2.2.1 25LC020A 2K SPI Bus Serial EEPROM The 25LC020A is a 2Kbit Serial EEPROM. Refer to the 25AA020A/25LC020A Data Sheet (DS21833) for complete information. Data can be read or written to the 25LC020A. 2.2.2 TC77-5.0 Thermal Sensor with SPI Interface The TC77 is a serially accessible digital temperature sensor. Refer to the TC77 Data Sheet (DS20092) for complete information. The temperature can be read from the TC77. 2.2.3 MCP3201 2.7V 12-Bit A/D Converter with SPI Serial Interface The MCP3201 is a successive approximation 12-bit Analog-to-Digital Converter with on-board sample and hold circuitry. Refer to the MCP3201 Data Sheet (DS21290) for complete information. The device provides a single pseudo-differential input. Potentiometer R6 is configured as a voltage divider (see schematic in Appendix A. "Schematic and Layouts"). The wiper is connected to IN+. The voltage can be read by the MCP3201 by grounding INwith a test lead and can be verified using a volt meter on test points IN+ and GND. 2.2.4 MCP4822 12-Bit DAC with Internal Vref and SPI Interface The MCP4822 is a 12-Bit Digital-to-Analog Converter (DAC). Refer to the MCP4821/MCP4822 Data Sheet (DS21953) for complete information. The output of the MCP4822 can be measured using a volt meter at test points VOUTA, VOUTB, and GND. 2.2.5 MCP41010 Single/Dual Digital Potentiometer with SPI Interface The MCP41010 is a single 10 k digital potentiometer. Refer to the MCP41XXX/42XXX Data Sheet (DS11195) for complete information. The resistance of the digital potentiometer can be measured using an ohm meter at test points PA0, PW0, PB0, and GND. 2.2.6 MCP6S92 Single-Ended, Rail-to-Rail I/O, Low-Gain PGA The MCP6S92 is a single-ended programmable gain amplifier (PGA). Refer to the MCP6S91/2/3 Data Sheet (DS21908) for complete information. The gain of the PGA can be measured by applying a signal to inputs CH0 or CH1 and GND, and measuring the output on test points Vout and GND. 2.2.7 MCP23S08 8-Bit I/O Expander with Serial Interface The MCP23008 is an 8-bit I/O Expander. Refer to the MCP23008/MCP23S08 Data Sheet (DS21919) for complete information. The output of the MCP23S08 drives LEDs DS1 through DS8. The LEDs provide an easy to see indication of the MCP23S08 operation. Jumper JP8 must be closed using a 2-pin shunt for the LEDs to operate. The LEDs can be disabled by removing JP8. The output of the MCP23S08 is connected to test points GP0 through GP7 and GND. These test points can be monitored by a volt meter or connected to an external device. LEDs DS1 through DS8 can be used to monitor the output by closing JP8 with a 2-pin shunt or disable by removing JP8. DS51658A-page 8 (c) 2007 Microchip Technology Inc. PICkitTM SERIAL SPI DEMO BOARD USER'S GUIDE Appendix A. Schematic and Layouts A.1 INTRODUCTION This appendix contains the following schematics and layouts for the PICkitTM Serial SPI Demo Board User's Guide: * * * * * Board - Schematic - Page 1 Board - Schematic - Page 2 Board - Top Silk Layer Board - Top Metal Layer Board - Bottom Metal Layer (c) 2007 Microchip Technology Inc. DS51658A-page 9 PICkitTM Serial SPI Demo Board User's Guide A.2 BOARD - SCHEMATIC - PAGE 1 DS51658A-page 10 (c) 2007 Microchip Technology Inc. Schematic and Layouts A.3 BOARD - SCHEMATIC - PAGE 2 (c) 2007 Microchip Technology Inc. DS51658A-page 11 PICkitTM Serial SPI Demo Board User's Guide A.4 BOARD - TOP SILK LAYER A.5 BOARD - TOP LAYER A.6 BOARD - BOTTOM LAYER DS51658A-page 12 (c) 2007 Microchip Technology Inc. PICkitTM SERIAL SPI DEMO BOARD USER'S GUIDE Appendix B. Bill Of Materials (BOM) TABLE B-1: Qty BILL OF MATERIALS (BOM) Reference Description Manufacturer Part Number 7 C1, C2, C3, Capacitor, Ceramic, SMT 0805 C4, C5, C6, C7 Panasonic(R) 8 DS1, DS2, DS3, DS4, DS5, DS6, DS7, DS8 LED RED ORANGE CLEAR 0805 SMD LITE-ON INC LTST-C170EKT 4 EA Corner BUMPON SQUARE .40X.10 BLACK 3M SJ-5007 (BLACK) 1 JP1 CONN JUMPER SHORTING GOLD FLASH Sullins Electronics Corp. SPC02SYAN 8 JP1, JP2, JP3, CONN HEADER 2POS .100 VERT TIN Molex/Waldom JP4, JP5, JP6, Electronics Corp JP7, JP8 22-28-4020 1 P1 CONN HEADER 6POS .100 R/A GOLD Molex/Waldom Electronics Corp 22-28-8062 7 R1, R2, R4, R5, R7, R8, R17 RES 10K OHM 1/8W 5% 0805 SMD Panasonic - ECG ERJ-6GEYJ103V 9 R3, R9, R10, RES 1.0K OHM 1/8W 5% 0805 SMD R11, R12, R13, R14, R15, R16 Panasonic - ECG ERJ-6GEYJ102V 1 R6 Bourns Inc. 3296W-1-103LF POT 10K OHM 3/8" SQ CERM SL MT - ECG Electronics(R) ECJ-2VB1E104K 29 TP1 - TP29 TEST POINT PC COMPACT SMT Keystone 1 U1 2K SPI Bus Serial EEPROM Microchip Technology 1 U2 Thermal Sensor with SPI Interface Microchip Technology TC77-5.0MOA 1 U3 2.7V 12-Bit A/D Converter with SPI Serial Interface Microchip Technology MCP3201-I/SN 1 U4 12 Bit DAC with Internal Vref and SPI Interface Microchip Technology MCP4822-E/SN 1 U5 Single/Dual Digital Potentiometer with SPI Interface Microchip Technology MCP14010-I/SN 1 U6 Single-Ended, Rail-to-Rail I/O, Low-Gain PGA Microchip Technology MCP6S92-I/SN 1 U7 8-Bit I/O Expander with Serial Interface Microchip Technology Note 1: 5016 25LC020-I/SN MCP23S08-E/SO The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM used in manufacturing uses all RoHS-compliant components. (c) 2007 Microchip Technology Inc. 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