CC1121EMK-868-915

SWRU291B December 2013 CC112x Evaluation Module Kit Quick Start Guide Opening the Box and Running the Packet Error Rate Test 1. Kit Contents 2. How to use the Modules 3. Plug the EM into the TrxEB The EMK is an add-on kit to supplement the CC1120DK with evaluation boards supporting additional frequency bands. This document covers the CC1120EMK and CC1121EMK. 2 x CC1120 or CC1121 Evaluation Modules 2 x Antennas (type depending on frequency) The 868-915 MHz RF boards in this kit are FCC and IC certified. The 169, 420-470 and 868-915 boards are tested to comply with ETSI/R&TTE over temperatures from 0 to +35°C. FCC/IC Regulatory Compliance (868-915 only) FCC Part 15 Class A Compliant IC ICES-003 Class A Compliant The CC112xEM boards can be plugged into several development boards from Texas Instruments. Most notably, you can use the SmartRF Transceiver EB, which is included in the CC1120DK. This board lets you run a packet error rate (PER) test, control the device from SmartRF™ Studio and it can be used as a development platform. It is also possible to connect the EM to other TI development boards with the appropriate connectors or to the basic “SoC Battery Board”. The latter can be used as a carrier board for the EM to simplify the connection to other boards with a microcontroller. See: Antenna types: 955 & 868-915 MHz: Pulse W5017, 2 dBi 420-470 MHz: Pulse SPWH24433TI, 0 dBi 169 MHz: Pulse SPHL24169TI http://www.ti.com/tool/soc-bb 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. Insert a CC112xEM board into the TrxEB as shown above. Connect the antenna to the SMA connector on the EM. Caution! The kit contains ESD sensitive components. Handle with care to prevent permanent damage. This guide will show how to use the modules together with SmartRF Transceiver EB (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 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. The last jumper in the row (pin 9-10) should always be mounted, unless the MSP430 FET is used as the power source. Warning! To minimize risk of personal injury or property damage, never use rechargeable batteries to power the board. Note that there should only be one active power source at any one time. Do not leave the board 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 “TrxEB RF PER Test Software Example 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 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/CC1121 receiver may be saturated if it is too close to the other CC1120/CC1121 transmitting at full output power. http://www.ti.com/tool/cc1120emk-169 http://www.ti.com/tool/cc1120emk-420-470 http://www.ti.com/tool/cc1120emk-868-915 http://www.ti.com/tool/cc1121emk-868-915 http://www.ti.com/tool/cc1120emk-955 On the kit product page, you will find additional documentation, links to other related kits and devices, 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 and CC1121 devices. 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 or CC1121 device icon. You can now configure the radio, run performance tests, export register settings and run link tests with another CC1120 or C1121 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 Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. 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