CC1120DK

SWRU290B December 2015 CC1120 Development Kit Quick Start Guide Opening the Box and Running the Packet Error Rate Test 1. Kit Contents 2. TrxEB Overview Power Selection EM Breakout 3. Plug the EM into the TrxEB Board Mode Switches EM Connectors Main Power Switch USB 2 x SmartRF™ Transciever EB (TrxEB) 2 x CC1120EM 868/915 MHz (EM) 2 x W5017 Pulse Antennas, ¼ wave, 2 dBi * 1 x MSP430 Debug Probe (FET) MSP430 2 x Micro USB Cables Debug 1 x Standard USB Cable Interface 1 x 14-pin Flat Cable Documentation Insert a CC1120EM board into the TrxEB as shown above. Connect the antenna firmly to the SMA connector on the EM. MSP430 Breakout LCD Buttons LEDs Caution! The kit contains ESD sensitive components. Handle with care to prevent permanent damage. The boards in this kit are designed to comply with applicable ETSI, FCC and IC regulatory requirements. (* picture may deviate) 4. Select Board Mode 5. Power Options Use the switches S1 and S2 to select the operating mode of the board. For the sake of this quick start guide, please select “Enable” and “UART”. This configuration will make it possible to communicate directly with the MSP430 over a virtual COM port on the PC. There are several ways of applying power to the TrxEB. 6. Select Power Source  2 x 1.5V AA Non-Rechargeable Alkaline Batteries  USB (5V through USB plug)  External Power Supply (requirements below)  MSP430 Debugger When the power source is batteries or USB, the voltage regulators on the TrxEB will set the onboard supply voltage to 3.3VDC. i External Power Supply Requirements: Nom Voltage: 3.3VDC Max Current: 800 mA Efficiency Level V Warning! To minimize risk of personal injury or property damage, never use rechargeable batteries to power the board. Depending on the power source, make sure you connect jumpers to the appropriate pins on the “Power Source” header. For instance, if you use batteries, use a jumper to short-circuit pin 1 and 2 on the header. See back side of board for explanation of the jumpers. Note that there should only be one active power source at any one time. Do not leave the EVM powered when unattended. 7. Welcome Screen 8. Packet Error Rate Test 9. Select Test Mode Turn on power with the Main Power switch. You should now see the Texas Instruments logo and a short description of the buttons on the LCD. Pushing any of the five buttons on the board will take you to the main menu. Select the PER (Packet Error Rate) test by highlighting the selection using the up/down buttons. Confirm your selection by pressing Enter (right button). The PER test can be run is several modes. Easy Mode sets up a one-way test and uses default settings. This test is convenient for practical range testing. The other test modes are described in the “Software Examples for CC112x, CC11xL and CC1101 User’s Guide”. NB! If you don’t see anything on the screen make sure the mode switches are in the correct positions (see step 4 above). To proceed, highlight “Easy Mode” and press Enter (right button). Web sites: E2E Forum: www.ti.com/lprf www.ti.com/lprf-forum Make sure to subscribe to the Low-Power RF Newsletter to receive information about updates to documentation, new product releases, and more. Sign up on the TI web pages. 10. Select Frequency 11. Select Mode 12. Establish Link One of the boards must operate as the slave (transmitter) and the other as master (receiver). Select Slave on one board… The slave node will now wait for a configuration package from the Master. The configuration contains the parameters used for the PER test. …and Master on the other board. The configuration package will be sent when you select “link devices” on the master node. 13. Link Established 14. Start the Receiver (master) 15. PER Test Results When the initial linking has completed, the slave node will start the test by continuously transmitting packets to the master. On the master node, you can select the number of packets you want to receive in order to calculate the packet error. The master will display a window that plots the received signal strength (RSSI) for each packet. When selecting “Start PER Test”, the master (receiver) will begin to count the number of received packets and provide some statistics. Press the “Up” button to go to the detailed statistical window. 17. Troubleshooting 18. References It you are experiencing problems with this test, please check the following: Please visit www.ti.com and  http://www.ti.com/tool/cc1120dk Select which frequency to use for the test. Make sure that the evaluation modules you have match the selected frequency. 16. PER Test Results The statistics window will show the error rate based on the number of lost or erroneous packets divided by the total number of packets that should have been received.   Nothing is shown in the display! Make sure the mode switches are in the correct positions (see step 4 above). Please visit the kit web page and check for updated SW and documentation. Updated SW can be downloaded to the device using IAR EW430 or SmartRF Flash Programmer. If you get poor PER results at short distances, try to move the transmitter and receiver further apart. The CC1120 receiver may experience saturation if it is too close to the other CC1120 transmitting at full output power. On the kit product page, you will find additional documentation, links to updated software examples and software tools like SmartRF Studio. You will also find a lot of information on the TI E2E forum at http://e2e.ti.com We hope that you will enjoy working with the CC1120 device. SmartRF™ Studio 1. Download and Install 2. Launch SmartRF Studio 3. Test the Radio Before connecting SmartRF TrxEB to your PC, download and install SmartRF Studio from www.ti.com/smartrfstudio. After installing the tool, connect the EB to the PC using the USB cable and start SmartRF Studio. Select the “Sub 1 GHz” tab and double click the highlighted CC1120 device icon. You can now configure the radio, run performance tests, export register settings and run link tests with another CC1120 on a SmartRF TrxEB connected to the PC. i When using an external power supply, make sure it meets the listed requirements in addition to complying with applicable regional product regulatory and safety certification requirements such as UL, CSA, VDE, CCC, and PSE. IMPORTANT NOTICE FOR TI DESIGN INFORMATION AND RESOURCES Texas Instruments Incorporated (‘TI”) technical, application or other design advice, services or information, including, but not limited to, reference designs and materials relating to evaluation modules, (collectively, “TI Resources”) are intended to assist designers who are developing applications that incorporate TI products; by downloading, accessing or using any particular TI Resource in any way, you (individually or, if you are acting on behalf of a company, your company) agree to use it solely for this purpose and subject to the terms of this Notice. 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