Texas Instruments Peripheral Explorer Kit Manuale utente

Quick Start GuideSPRUGM2 – January 2009

Peripheral Explorer Kit Overview

The Peripheral Explorer Kit is an evaluation board designed to allow experimentation with many of theperipherals available in the C2000™ F28x family of microprocessors. The board is designed to accept anyof controlCARD and contains all hardware (controlCARD socket, power supply) required for normal usage.The kit is self-contained and contains multiple experiments in which external equipment, such asoscilloscopes, are not required. In the majority of these examples, one peripheral reads the output of adifferent peripheral, confirming the operation of both.

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Features of the Peripheral Explorer Kit include:•Multiple peripheral-based examples– EPWM-based sinusoidal output based on a sine table– DAC via filtered ePWM signal read by the on-chip ADC– eCAP-based IR receiver reading– SPI-based EEPROM interaction– UART communications header available for host control– Potentiomers for ADC evaluation– GPIO-based components such as pushbuttons, hex encoder, and LEDs– McBSP/DMA-based AIC23 codec software and hardware (F28335 only)– I2C header for external use– CAN header for external use•Quick Start GUI, a friendly way to control / demo the application, based on opensource C# freeware•Hardware Developer’s Package is available and includes full hardwaredocumentation such as schematics, bill of materials, and Gerber files.

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1 Hardware Overview

Potentiometers (ADC)

LEDs (GPIO)

CAN

JTAG

Main Power

(SW1)

+5V Power In

EEPROM

(SPI) Hex Encoder

(GPIO)

SCI Boot Pins

EPWM to ECAP

loopback enable

DAC output

(EPWM)

ADC Pins Audio-In

(McBSP)

Headphone-

Out

IR Receiver

(ECAP)

Comms (SCI)

Emulator

Power Jumper

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Hardware Overview

The Peripheral Explorer Kit consists of multiple peripheral based components. Figure 1 shows a diagramof the Peripheral Explorer board and some of its key features.

Figure 1. Key Features of EVM Board

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Hardware Overview

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Table 1. Hardware Components

Component Description

+5V Power In DC power supply from plug pack (5-V supply may be used as well)Main Pwr SW1 - Master power switch for entire EVMEmulator Power Jumper Sets the voltage sent to power the emulator. No jumper means no power will be sent to an emulator, ajumper at “5V” will power the emulator with 5 V, and a jumper at “3V3” will power the emulator with 3.3V.JTAG Connector for external JTAG emulatorCAN External pins available for connection to two parallel CAN devicesEEPROM 256K SPI-based EEPROMHex Encoder 4-bit hex encoder which sets the values of GPIOs 12-15SCI Boot Pins Controls how the controlCARD bootsIf no jumpers are placed the target boots from flashIf a jumper is placed at “34”, a F2808 controlCARD boots from SCIIf a jumper is placed at “84”, a F28335 controlCARD boots from SCIPotentiometers Divide a 3.3-V input into a voltage value to be read by ADC-A0 and ADC-A1LEDs LED1 and LED2 controlled by GPIO-09 and GPIO-11Comms Serial communications UART (connects to the Quick Start GUI)IR Receiver Uses the eCAP module to read signals sent by a IR transmitter. The software included with this kit isconfigured to work with the Sharp TV protocol, for the included Philips universal remote this is code0509.Headphone-Out Output from the TI AIC23B codec that is controlled by the F28x MCU (headphones not included in thispackage)Audio-In Input to the TI AIC23B codec (line-in audio cable not included in this package)ADC pins Spare ADC pins available to be connected as desiredDAC output Output of a filtered ePWM. The ePWM output is connected to a second-order passive filter thenconnected to these pinsEPWM to ECAP Connecting a jumper across these headers allows for an experiment to be done where the eCAPloopback enable module reads the duty cycle and period of the ePWM output

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2 Hardware Set Up

2.1 Test drive with GUI – (skip if you need only emulation support)

2.2 Code Composer Studio Software Development Platform Emulation - Additional Steps

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Hardware Set Up

All the hardware needed to get started (except the emulator) is included in this package (suggestedemulators are listed near the end of this document). The application specific motherboard provided in thiskit can be used in one of two ways:1. Test Drive – Using the provided GUI application, the user does not require Code Composer Studio™or emulation tools. This provides a great way to run or demo the application code quickly and see whatfunctionality the hardware offers. Note: The same functionality can be achieved by using the CodeComposer Studio Watch Window and slider features during emulation in the second mode.2. Code Composer Studio Software Development Platform – With the project code provided, theapplication can be modified, compiled, loaded, and run in a development environment. CodeComposer Studio and Emulation HW tools are required for this.

Follow these steps to set up the hardware for either the GUI or Software Development PlatformStep 1. Unpack the DIMM style controlCARD.Step 2. Spread open the winged retaining clips on connector J2.Step 3. Sit the DIMM card loosely in the connector slot. Make sure to align the 2 keyed notches andposition the card bottom corners inside the retaining clips (see picture below).Step 4. Push vertically down using even pressure from both ends of the card until the clips snap andlock. (note: to remove or eject the card spread open the retaining clips with thumbs).Step 5. Ensure switch 1 (SW1) is in the off position and connect the included power supply to thepower jack .

Step 1. Plug in the serial cable provided to connector J4 making sure the red wire aligns with the “Rx”pin on EVM.Step 2. Inserted a jumper in position 84 on boot pins.Step 3. Plug the DB9 connector into your PC using either a serial port or a serial-to-USB converterdongle.Step 4. Turn on the power once you are done with the TI Software download, see Software SetupGUI-TestDrive.

Step 1. Depending on your emulator type, place the jumper at J2 to either the 3.3V or 5V positionStep 2. Connect the JTAG emulator cable to connector J1Step 3. Turn on power once you are done with the TI Software download, see Software Setup CodeComposer Studio-Development.

Note: For full details (schematics, pin-out table) of the hardware see the Hardware Developer'sPackage, PeripheralExplorer-HWdevPkg. See Software Setup for download location.

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3 Software Set Up

Software Set Up

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The Peripheral Explorer Kit application software example, GUI, step-by-step lab style documentation, andother useful soft collateral can all be found on the TI website. If you already have your own softwareproject and do not require this collateral, skip this section. As explained in the HW setup section, thetarget mother board can be run either with the GUI or Code Composer Studio. The GUI executable file isfound as part of the main software download. Follow the steps below for either case.

To run any of the application specific software in Code Composer Studio, you must first install the baselinecode which contains the header files, libraries, etc. If you already have the base-line software installed,skip the baseline install steps and go to the Peripheral Explorer Kit section.

To download the free TI soft collateral follow these steps:Step 1. Baseline soft collateral and hardware documents (skip this if you already have this softwareinstalled)

a. On an Internet browser type: http://www.ti.com/f28xkitsb. At the C2000 DSP collateral page, choose the Experimenter’s Kit download linkc. When prompted, fill in the TI customer registration details and click okd. Save the .zip file to the directory of your choicee. Unzip the file and run the install program Baseline Software Set Upf. The installer will create the following default directories:

C:\TI_F28xxx_SysSW

~Docs

~GeneralPurposeGUI

~SupportFiles

FlashingLeds

C:\TI_F28xxx_SysHW

CC280xxHWdevPkg

CC2833xHWdevPkg

DockingStnHWdevPkg

Step 2. Peripheral Explorer Kit soft collateral and hardware documentsa. On an Internet browser type: http://www.ti.com/f28xkitsb. Then choose the Peripheral Explorer Kit link.c. When prompted, fill in the TI customer registration details and click ok.d. Save the .zip file to the directory of your choice.e. Unzip the file and run the install program Peripheral Explorer Software Set Up.f. The installer will create the following default directories:

C:\TI_F28xxx_SysSW

PeripheralExplorer

~Docs

~GUI

C:\TI_F28xxx_SysHW

PeripheralExplorer-HWdevPkg

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4 Running the Application

5 Emulators

6 References

Trademarks

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Running the Application

To run the application specific hardware, choose either “TestDrive-GUI” or “Code ComposerStudio-Development” options below and follow the appropriate steps.Step 1. TestDrive-GUI

a. Open the GUI Quick Start Guide, QSG-PeripheralExplorer-GUI.pdf, found in:C:\TI_F28xxx_SysSW\PeripheralExplorer\~Docs

b. Browse to the directory: C:\TI_F28xxx_SysSW\PeripheralExplorer\~GUI

c. Open PeripheralExplorer-GUI.exe

d. Follow the step-by step instructions found in the GUI Quick Start GuideStep 2. Code Composer Studio-Development

a. If you have emulation tools and Code Composer Studio already installed and active, loadthe project file "PeripheralExplorer.pjt" found in:C:\TI_F28xxx_SysSW\PeripheralExplorer\

b. See the PeripheralExplorer.pdf for a step-by-step walk through of how to compile and runthe various labs. This document can be found in:C:\TI_F28xxx_SysSW\PeripheralExplorer\~Docs\

The following companies provide low cost, full featured emulators designed specifically for C2000™controllers:

Blackhawk™ USB2000 Controller (part number $299http://www.blackhawk-dsp.com TMDSEMU2000U)Spectrum Digital XDS510LC JTAG Emulator (part number $249http://www.spectrumdigital.com 701902)

For more information, see the following guides:•PeripheralExplorer – provides detailed information on the Peripheral Explorer C/asm projectC:\TI_F28xxx_SysSW\PeripheralExplorer\~Docs\PeripheralExplorer.pdf

•QSG-PeripheralExplorer-GUI – gives an overview on how to quickly demo the PeripheralExplorerproject using an intuitive GUI interface.C:\TI_F28xxx_SysSW\PeripheralExplorer\~Docs\QSG-PeripheralExplorer-GUI.pdf

•PeripheralExplorer-HWdevPkg – a folder containing various files related to the hardware on thePeripheral Explorer board (schematics, bill of materials, Gerber files, PCB layout, etc). All schematicsand PCB files were created with the freeware ExpressPCB package.C:\TI_F28xxx_SysHW\PeripheralExplorer-HWdevPkg\

•System Framework Overview Guide – presents more information on the system framework found inF28xxx EVM projects.C:\TI_F28xxx_SysSW\~Docs\SystemFrameworkOverview.pdf

•F28xxx User’s Guideshttp://www.ti.com/f28xuserguides

C2000, Code Composer Studio are trademarks of Texas Instruments.

Blackhawk is a trademark of EWA Technologies, Inc.

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IMPORTANT NOTICE

Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements,and other changes to its products and services at any time and to discontinue any product or service without notice. Customers shouldobtain the latest relevant information before placing orders and should verify that such information is current and complete. All products aresold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment.TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with TI’s standardwarranty. Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty. Except wheremandated by government requirements, testing of all parameters of each product is not necessarily performed.TI assumes no liability for applications assistance or customer product design. Customers are responsible for their products andapplications using TI components. To minimize the risks associated with customer products and applications, customers should provideadequate design and operating safeguards.TI does not warrant or represent that any license, either express or implied, is granted under any TI patent right, copyright, mask work right,or other TI intellectual property right relating to any combination, machine, or process in which TI products or services are used. Informationpublished by TI regarding third-party products or services does not constitute a license from TI to use such products or services or awarranty or endorsement thereof. Use of such information may require a license from a third party under the patents or other intellectualproperty of the third party, or a license from TI under the patents or other intellectual property of TI.Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompaniedby all associated warranties, conditions, limitations, and notices. Reproduction of this information with alteration is an unfair and deceptivebusiness practice. TI is not responsible or liable for such altered documentation. Information of third parties may be subject to additionalrestrictions.

Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids allexpress and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice. TI is notresponsible or liable for any such statements.TI products are not authorized for use in safety-critical applications (such as life support) where a failure of the TI product would reasonablybe expected to cause severe personal injury or death, unless officers of the parties have executed an agreement specifically governingsuch use. Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications, andacknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their productsand any use of TI products in such safety-critical applications, notwithstanding any applications-related information or support that may beprovided by TI. Further, Buyers must fully indemnify TI and its representatives against any damages arising out of the use of TI products insuch safety-critical applications.TI products are neither designed nor intended for use in military/aerospace applications or environments unless the TI products arespecifically designated by TI as military-grade or "enhanced plastic." Only products designated by TI as military-grade meet militaryspecifications. Buyers acknowledge and agree that any such use of TI products which TI has not designated as military-grade is solely atthe Buyer's risk, and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use.TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products aredesignated by TI as compliant with ISO/TS 16949 requirements. Buyers acknowledge and agree that, if they use any non-designatedproducts in automotive applications, TI will not be responsible for any failure to meet such requirements.Following are URLs where you can obtain information on other Texas Instruments products and application solutions:Products ApplicationsAmplifiers amplifier.ti.com Audio www.ti.com/audioData Converters dataconverter.ti.com Automotive www.ti.com/automotiveDLP® Products www.dlp.com Broadband www.ti.com/broadbandDSP dsp.ti.com Digital Control www.ti.com/digitalcontrolClocks and Timers www.ti.com/clocks Medical www.ti.com/medicalInterface interface.ti.com Military www.ti.com/militaryLogic logic.ti.com Optical Networking www.ti.com/opticalnetworkPower Mgmt power.ti.com Security www.ti.com/securityMicrocontrollers microcontroller.ti.com Telephony www.ti.com/telephonyRFID www.ti-rfid.com Video & Imaging www.ti.com/videoRF/IF and ZigBee® Solutions www.ti.com/lprf Wireless www.ti.com/wireless

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