CC1111/CC2511 USB HW User`s Guide (Rev. B
Contents
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3. CC1111 CC2511 USB Dongle hardware component of a USB development framework Please refer to 5 and 6 for a description of the accompanying software library and application examples 3 Acronyms CDC Communications Device Class DK Development Kit EB Evaluation Board EM Evaluation Module HID Human Interface Device IC Integrated Circuit ICE In Circuit Emulator KB Kilo Byte 1024 byte LED Light Emitting Diode LPRF Low Power RF MCU Micro Controller NC Not connected RF Radio Frequency RX Receive SoC system on Chip TI Texas Instruments TX Transmit UART Universal Asynchronous Receive Transmit USB Universal Serial Bus 3 12 13 TEXAS INSTRUMENTS 4 Definitions SmartRF04EB Evaluation Board Main board in the development kits USB interface LCD LEDs pot meter etc Development platform for the Evaluation Modules EM A reference design for a CC1111 CC2511 based full speed USB dongle with RF interface Should be used as reference design for antenna and RF swru082b CC1110EM CC2510EM CC1110 and CC2510 Evaluation Module are small modules for the CC1110 and CC2510 devices These can be plugged into the SmartRFO4EB and they should be used as the reference design for antenna and RF layout System on Chip Debug Plug in Board The System on Chip Debug Plug In Board It provides an additional physical debug programming interface for the SmartRFO4EB Referred to as SOC_DEM in this document Figure 1
4. IA TEXAS INSTRUMENTS CC1111 CC2511 USB HW User s Guide swru082b 13 TEXAS INSTRUMENTS swru082b Table of Contents 1 WEITFOGUGLIO EE 3 2 PADOUU TIS E UTC EE 3 S 3 DG ale CC aori an neare aae kena barer a eae ae 4 5 Started ee 5 6 Using SmartRF04EB as an In Circuit Emulator 1 7 Sc Whe Depag EE T 7 USB Dongle Hardware Description ee 8 7 1 Klee 9 9 ee WDWEDUG COMMCCIOl EEN 9 ZA General Purpose I O Connectors pp 9 EREM 10 TO ett DEE Eeer ee 10 8 USB Dongle Reference Design and Schematics 10 9 SOC eege EE EE EE 10 10 11 11 eneralnfiormatcii sesso ec esses facade Soest 12 11 1 a ito Cle eter er etree E tare eae ne te ee ee Sea Stee en enn es ne ee Renee 12 2 12 13 TEXAS INSTRUMENTS swru082b 1 Introduction Thank you for purchasing a development kit for Low Power RF System on Chips from Texas Instruments 2 About this Manual This manual covers the CC1111 USB Dongle or the CC2511 USB Dongle found in the CC1110 CC1111DK CC2510 CC2511DK development kits Both these USB dongles are also available separately as the CC1111EMK868 915 and CC2511EMK evaluation module kits The manual covers the
5. Kit Hardware Component Overview system on Chip A collective term used to refer to Texas Instruments ICs with on chip MCU and RF transceiver Used in this document to reference the CC1111 CC2511 and the CC1110 CC2510 In Circuit Emulator ICE functionality is built into the SmartRFO4EB USB Software Application Examples Application examples using the CC1111 CC2511 USB Dongle together with CC1110 CC2510EM USB Firmware Library A library of low level USB firmware which is used by all the USB software examples Table 1 Key Definitions See Figure 1 for an overview of the hardware components contained in the CC1110 CC1111DK CC2510 CC2511DK development kits Table 1 explains some of the key definitions abbreviations used in this document 4 12 13 TEXAS INSTRUMENTS swru082b 5 Getting Started Make sure to install SmartRF Studio before connecting the SmartRFO4EB to a PC By installing it the required Windows drivers will be provided when connecting the SmartRFO4EB SmartRF Studio 2 is a PC application for Windows that helps you find and adjust the radio register settings Please see 2 for instructions on downloading and installing SmartRF Studio The USB dongle is not delivered with pre programmed firmware so an external ICE is needed for initial programming of the device The SmartRFO4EB or the CC Debugger can be used to program the USB dongle The CC1111 CC2511 has a 2 wire debug interface that is used for chip program
6. STRUMENTS swru082b 7 1 User Interface The CC1111 CC2511 USB Dongle has one button and one LED that can be used to interact with the user The LED is connected to pin P1_1 Setting P1_1 high to logic 1 will turn the LED on The button is connected to pin P1_2 and GND The pin P1_2 must be configured as an input with pull up for the button to operate as intended When the button is pushed P1_2 is pulled low to logic 0 7 2 USB Interface The USB Dongle has a standard USB connector The dongle is powered through this connector On the D line there is a pull up used to identify the dongle as a full speed USB device on the USB bus The pull up can be controlled from the firmware using P1_0 This enables the dongle to be connected to the USB bus without signalling its presence to the USB hub 7 3 Debug Connector The USB Dongle has debug connector P3 that is compatible with the SoC debug connector on the SmartRFO4EB P14 and on the System on Chip Debug Plug In board SOC_DEM P3 This enables the USB Dongle to be programmed and debugged via the SmartRFO4EB The pin out of the debug connector P3 is given in Table 2 P2 2 debug clock 2_1 debug data Table 2 Debug Connector P3 Pin Out 7 4 General Purpose I O Connectors All GPIO pins on the CC1111 CC2511 SoC that are not used on the USB Dongle are routed to the P4 Test pins pin row They can be used for debugging or to connect external devices to the CC1111 CC2511
7. The pin out is given in Table 3 Table 3 Test Pins P4 Pin Out 9 12 13 TEXAS INSTRUMENTS swru082b 7 5 Cutaway Section On the USB Dongle the debug connector and the GPIO test pin connector is mounted on a section of the dongle that may be removed to minimize the dongles size This cutaway section is marked with a white line see Figure 8 If this section is removed from the dongle the CC1111 CC2511 can still be programmed and debugged using the alternative debug connector found on the back of the USB Dongle see Figure 7 7 6 RF Performance of Antenna While the CC2511 USB Dongle has a PCB antenna designed as a meandered inverted F antenna the CC1111 USB Dongle has a chip antenna with a PCB track added for tuning of the resonant frequency The performance of the PCB antenna on the USB Dongle will be affected by its nearby surroundings Therefore when plugged into different computers or a USB extension cable differences in the RF performance must be expected Also if the USB Dongle is put inside a casing the material and design of the enclosure will influence the antenna s performance For the CC2511 USB Dongle the maximum antenna gain measured is 5 3 dBi This means that duty cycling or reduction of output power might be needed to ensure compliance with regulatory limits Please see 7 for more information about SRD regulations in the 2 4 GHz ISM band The performance of the antenna of the CC2511 USB Dongle is further described
8. e should only be powered by one of the two sources at a time Do not connect the USB cable to the USB Dongle while it is powered from the SmartRFO4EB The SOC_DEM has a voltage level converter on the P3 connector so the SmartRFO4EB and the USB Dongle may have a different power supply voltage 7 Turn the power on the SmartRFO4EB see Figure 4 5 12 13 TEXAS INSTRUMENTS swru082b The CC1111 CC2511 can now be programmed with the SmartRF Flash Programmer software The firmware on the CC1111 CC2511 can also be debugged using the IAR Embedded Workbench debugger Please see the SmartRF Flash Programmer 2 user manual for more details Please see the CC1110DK CC2510DK Development Kit User Manual 1 for more information on the SmartRFO4EB and how to use the CC1110 CC2510EMs 6 12 13 TEXAS INSTRUMENTS swru082b 6 Using SmartRFO4EB as an In Circuit Emulator ICE The debug interface on the SmartRFO4EB is controlled by the USB MCU This allows both programming and an emulator interface over USB which makes the SmartRFO4EB usable as an In Circuit Emulator ICE for the CC1111 CC2511 To use the SmartRFO4EB as ICE the IAR Embedded Workbench software for 8051 architecture EW8051 must be installed The Embedded Workbench is an integrated development environment with a complete tool chain such as C Compiler Simulator and ICE debugger Please see 1 for instructions on how to set up the ICE debugger for use as an ICE Whe
9. his pin should not be connected On the USB Dongle this pin is not connected Hence the USB Dongle must be powered from either a separate USB cable or a separate cable connecting pin 9 on 4 test pins on the dongle to VDD on the SmartRFO4EB When using SmartRFO4EB as emulator for external target debugging any evaluation module EM must be removed Figure 5 shows the required signal for a minimum connector layout on external target GND kt Vdd on target DC Debug Clock DD Debug Data 3 4 RESETn Figure 5 Minimum Debug Connector Pinout top view 7 12 3 TEXAS INSTRUMENTS swru082b 7 USB Dongle Hardware Description CC2511F32 antenna igor DES rr N LU p Zeta 7 des eee lt Cee PS Ge e Button Bag e CG Leg 1 S Line marking p gt ELE ee WE SE wl so a BC e by cutaway section oda US USB connector of the dongle arn elef sat el dE cone GPIO test connector e A 2 ES SN Pe Alternative debug connector Figure 7 CC2511 USB Dongle back view CC1111F32 Chip antenna with PCB track aud USB Line marking connector cutaway section of the dongle GPIO test pins Debug connector JOVEJVE M2 ngle C Hi 83 EN 2 Wf TT eK Alternative wets 1 28 debug Ken connector az Ow l Johanson Ante Figure 9 CC1111 USB Dongle back view 8 12 13 TEXAS IN
10. in 8 8 USB Dongle Reference Design and Schematics Please see 9 and 10 for the schematics of the CC1111 CC2511 USB Dongle Both schematics and layout files are available as a part of the reference designs H SOC DEM schematics Figure 10 SOC_DEM schematics 10 12 13 TEXAS INSTRUMENTS swru082b 10 References 1 C1110 CC1111DK CC2510 CC2511DK Development Kit User Manual swru134 2 SmartRF Flash Programmer swrc044 3 SmartRF Packet Sniffer swrc045 4 SmartRF Studio swruc46 5 CC USB Firmware Library and Examples swrc088 6 CC USB Software Examples User s Guide swru222 7 ANO32 SRD Regulation for License Free Transceiver Operation in the 2 4 GHz Band swra060 8 AN043 Small Size 2 4 GHz PCB Antenna swra117 9 CC1111 USB Dongle Reference Design swrr049 10 2511 USB Dongle Reference Design swrc062 11 12 13 TEXAS INSTRUMENTS swru082b 11 General Information 11 1 Document History Revision Date Description Changes SW RU082B 2009 07 31 Updated hardware pictures and corrected a few typos SWRU082A 2009 05 08 Renamed Moved software sections to swru222 pdf SW RU082 2006 07 06 Initial release 12 12 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries TI reserve the right to make corrections modifications enhancements improvements and other changes to it
11. ming and debugging When connecting this interface to the SmartRFO4EB the CC1111 CC2511 can be programmed from the SmartRF Flash Programmer software 4 and debugged from IAR Embedded Workbench To connect the CC1111 CC2511 USB Dongle to the SmartRFO4EB follow these 7 steps 1 Turn off the SmartRFO4EB power by moving the power switch shown in Figure 4 to the left position 2 Remove any evaluation modules EMs attached to the SmartRFO4EB 3 Connect the SmartRFO4EB to a PC with the supplied USB cable 4 Connect the System on Chip Debug Plug In Board SOC DEM to the EM connectors P1 and P2 on the SmartRFO4EB 5 Connect the USB Dongle to the SOC_DEM with the supplied 10 pin cable The cable should be mounted between the Debug connector on the dongle and the P3 connector on the SOC_DEM Make sure pin 1 on the dongle is connected to pin 1 on the SOC_DEM truncated corner This cable connects the debug interface and GND between the two devices however the USB Dongle is not powered through this cable 6 Power the CC1111 CC2511 USB Dongle To power the dongle there are two options e Powered with a USB Cable Use the supplied USB extension cable to connect the USB Dongle to the PC see Figure 2 e Powered from the SmartRF04EB Connect pin 9 on the Test pin connector on USB Dongle to pin 3 labelled 3 3 V on the I O connector on SmartRFO4EB to power the dongle from the EB see Figure 3 The CC1111 CC2511 USB Dongl
12. n the SmartRFO4EB with a SoC is connected to a PC with the USB port the debugger in IAR EW8051 will connect to it when started If several SmartRFO4EBs are connected to USB ports simultaneously a selection window will display the connected evaluation boards and the user can select which device to load 6 1 The Debug Interface For custom PCB s with e g the CC2511 SoC it is recommended to include a pin header or test points to allow in circuit emulation or programming using a SmartRFO4EB or other 3rd party programming tools The USB Dongle can be used as a reference Please see the CC1110 CC2510 CC1111 CC2511 section of the TI web site for an updated list of 3rd party programming tools VDD note The SmartRFO4EB includes a voltage converter to support programming and debugging of external systems with different voltage than the SmartRFO4EB The debug connector includes two VDD connections on pin 2 and pin 9 The function is different for these connections Pin 2 VDD supplies voltage from the external target to the voltage converter If the target application is self powered pin 2 should be connected to VDD to assure that the correct supply voltage is used for the voltage converter This pin must always be connected to VDD Pin 9 VDD supplies VDD 3 3 V from the SmartRFO4EB If the target application is powered from the SmartRFO4EB supply during programming and debugging this pin can be connected to VDD If the target voltage differs from 3 3V t
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