CC2531 USB Hardware User`s Guide (Rev. A
Contents
1. When using SmartRFOSEB as emulator for external target debugging any evaluation module EM must be removed Figure 3 shows the required signal for a minimum connector layout on external target GND Vdd on target DC Debug Clock DD Debug Data RESETn A A 0 A 1 3 5 7 EI EI Figure 3 Minimum Debug Connector Pinout top view 9 14 Texas K INSTRUMENTS swru221a 7 USB Dongle Hardware Description Meandred F antenna IO Connector LEDs CC2531F256 Button S2 Button S1 Debug connector Voltage regulator Figure 4 CC2531 USB Dongle 7 4 User Interface The CC2531 USB Dongle has two buttons and two LEDs that can be used to interact with the user Table 1 shows which CC2531 signals are connected to what IO on the dongle l Green LED Red LED Button S1 Button S2 Table 1 CC2531 USB Dongle Pinout 7 2 Debug Connector The CC2531 USB dongle can be connected to a SmartRF Evaluation Board for debugging and programming 10 14 Texas K INSTRUMENTS swru221a Figure 5 CC2531 USB Dongle connected to SmartRFO5EB The debug connector on the CC2531 USB Dongle matches the debug connector on the SmartRFO5EB and the CC Debugger Note that by default the CC2531 dongle is not powered through the debug connector so an external power source must be used while programming The easiest solution is to connect it to a USB port on the PC Altern2. are specifically designated by TI as military grade or enhanced plastic Only products designated by TI as military grade meet military specifications Buyers acknowledge and agree that any such use of TI products which TI has not designated as military grade is solely at the 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 are designated by TI as compliant with ISO TS 16949 requirements Buyers acknowledge and agree that if they use any non designated products 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 Applications Amplifiers amplifier ti com Audio www ti com audio Data Converters dataconverter ti com Automotive www ti com automotive DLP Products www dlp com Broadband www ti com broadband DSP dsp ti com Digital Control www ti com digitalcontrol Clocks and Timers www ti com clocks Medical www ti com medical Interface interface ti com Military www ti com military Logic logic ti com Optical Networking www ti com opticalnetwork Power Mgmt power ti com Securitv www ti com security Microcontrollers microcontroller ti com Telephony www ti com telepho
3. 4 Definitions SmartRF05EB The SmartRFO5EB evaluation board is the main board in the kit with a wide range of user interfaces e 3x16 character serial LCD Full speed USB 2 0 interface UART LEDs Serial Flash Potentiometer Joystick Buttons The EB is the platform for the evaluation modules EM and can be connected to the PC via USB to control the EM CC2530EM The CC2530EM evaluation module contains the RF IC and necessary external components and matching filters for getting the most out of the radio The module can be plugged into the SmartRFOSEB Use the EM as reference design for RF layout The schematics are included at the end of this document and the layout files can be found on the web CC2530 Product Page 10 CC2531 USB Dongle The CC2531 USB Dongle is a fully operational USB device that can be plugged into a PC The dongle has 2 LEDs two small push buttons and connector holes that allow connection of external sensors or devices The dongle also has a connector for programming and debugging of the CC2531 USB controller The dongle comes preprogrammed with firmware such that it can be used as a packet sniffer device Antenna 2 4 GHz antenna Titanis from Antenova 5 14 dn TEXAS INSTRUMENTS swru221a SoC 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 CC2530 and 2531 ICE In Circu
4. Flash Programmer swrc044 B SmartRF Packet Sniffer swrc045 4 SmartRF Studio swrc046 5 CC USB Firmware Library and Examples swrc088 6 CC USB Software Examples User s Guide swru222 7 SmartRFO5EB User s Guide swru210 8 ANO32 SRD Regulation for License Free Transceiver Operation in the 2 4 GHz Band swra060 9 ANO43 Small Size 2 4 GHz PCB Antenna swra1 17 10 _CC2530 Product Web Site http focus ti com docs prod folders print cc2530 html 13 14 1 TEXAS INSTRUMENTS swru221a 10 General Information 10 1 Document History Revision Date Description Changes SWRU221A 2009 07 31 Updated info about how to connect dongle to SmartRFO5EB Corrected typos SWRU221 2009 05 08 Initial release 14 14 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 anv time and to discontinue anv product or service without notice Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete All products are sold 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 standard warranty Test
5. atively resistor R2 can be mounted The table below shows the pin out of the debug connector Pin Connection 1 GND vcc CC2531 P2 2 DC CC2531 P2 1 DD NC NC CC2531 RESET NC 2 3 4 5 6 7 8 9 Optional external VCC R2 must be mounted NC o Table 2 CC2531 USB Dongle Debug Connector 7 3 RF Performance of Antenna While the CC2531 USB Dongle has a PCB antenna designed as a meandered inverted F antenna 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 CC2531 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 8 for more information about SRD regulations in the 2 4 GHz ISM band The performance of the antenna of the CC2531 USB Dongle is further described in 9 11 14 Trans xi INSTRUMENTS swru221a 8 USB Dongle Reference Design and Schematics Refer to 1 for the schematics of the CC2531 USB Dongle 12 14 i Texas xi INSTRUMENTS swru221a 9 References 1 CC2530 DK Development Kit User Manual swru208 2 SmartRF
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7. issions data encryption data authentication clear channel assessment link quality indication and packet timing information The CC2530 product folder on the web 10 has more information with datasheets user guides and application notes The CC2531 is identical to CC2530 with the addition of a built in full speed USB 2 0 compliant interface The CC2530 Development Kit includes all the necessary hardware to properly evaluate demonstrate prototype and develop software targeting not only IEEE802 15 4 or ZigBee compliant applications but also proprietary applications for which a DSSS radio is required or wanted 2 About this Manual This manual covers the CC2531 USB dongle found in the CC2530 Development Kit and the CC2530 ZigBee Development Kit The manual covers the CC2531 USB Dongle hardware component of a USB development framework Please refer to 3 for a description of the accompanying USB Firmware Library and application examples 3 14 dn TEXAS INSTRUMENTS 3 Acronyms Communications Device Class Development Kit Evaluation Board Evaluation Module Evaluation Module Kit Human Interface Device Integrated Circuit In Circuit Emulator Kilo Byte 1024 byte Light Emitting Diode Low Power RF Micro Controller Not connected Radio Frequency Receive System on Chip Texas Instruments Transmit Universal Asynchronous Receive Transmit Universal Serial Bus 4 14 swru221a dn Texas INSTRUMENTS swru221a
8. it Emulator ICE functionality is built into the SmartRFO5EB and the CC Debugger USB software application examples Application examples using the CC2531 USB Dongle together with a CC2530EM USB Firmware Library A library of low level USB firmware which is used by all the USB software examples 6 14 Trans xi INSTRUMENTS swru221a 5 Getting Started Make sure to install SmartRF Studio before connecting the SmartRFO5EB to a PC By installing it the required Windows drivers will be provided when connecting the SmartRFO5EB SmartRF Studio 4 is a PC application for Windows that helps you find and adjust the radio register settings Please see 4 for instructions on downloading and installation The dongle comes preprogrammed with firmware such that it can be used as a packet sniffer device For programming the device with other firmware an external ICE is needed The SmartRFOSEB can be used to program the USB dongle The CC2531 has a 2 wire debug interface that is used for chip programming and debugging When connecting this interface to the SmartRFOSEB the CC2531 can be programmed from the SmartRF Flash Programmer software 2 and debugged from IAR Embedded Workbench To connect the CC2531 USB Dongle to the SmartRFO5EB follow these steps 1 Turn off the SmartRFO5EB power by moving the power switch shown in Figure 2 to the left position 2 Remove any evaluation modules EMs attached to the SmartRFOSEB Con
9. ment Kit User Manual 1 for more information on the SmartRFO5EB and how to use the CC2530EM 8 14 di Texas INSTRUMENTS swru221a 6 Using SmartRFOSEB as an In Circuit Emulator ICE The debug interface on the SmartRFOSEB is controlled by the USB MCU This allows both programming and an emulator interface over USB which makes the SmartRFO5EB usable as an ICE for the CC2531 dongle To use the SmartRFO5EB 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 When the SmartRFO5EB 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 SmartRFOSEBs 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 the CC2531 SoC it is recommended to include a pin header or test points to allow in circuit emulation or programming using a SmartRFOSEB or other 3rd party programming tools The USB Dongle can be used as a reference VDD note The SmartRFO5EB includes a voltage converter to support programming and debugging of external systems with different voltage than the SmartRFOSEB
10. nect the SmartRFO5EB to a PC with the supplied USB cable 4 Connect the USB Dongle to the ExtSoC Debug header P3 on SmartRFO5EB with the supplied 10 pin cable and adapter board see Figure 1 Make sure pin 1 on the dongle is connected to pin 1 on P3 This cable connects the debug interface and GND between the two devices however the USB Dongle is not powered through this cable 5 Power the CC2531 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 1 e Powered from the SmartRF05EB Mount resistor R2 on the CC2531 USB Dongle and resistor R30 on the SmartRFOSEB The CC2531 USB Dongle 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 SmartRFO5EB 6 Turn on the power on the SmartRFOSEB see Figure 2 w 1 It is also possible to use the SmartRF04EB or the CC Debugger to program the device 7 14 dn Texas INSTRUMENTS swru221a Figure 1 CC2531 USB Dongle connected to SmartRFO5EB Ta 1 Power e a Figure 2 SmartRFO5EB power switch power on The CC2531 can now be programmed with the SmartRF Flash Programmer software The firmware on the CC2531 can also be debugged using the IAR Embedded Workbench debugger Please see the SmartRF Flash Programmer User s Manual for more details 2 Please see the CC2530 Develop
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13. vis TEXAS INSTRUMENTS CC2531 USB Hardware User s Guide swru221a dn TEXAS INSTRUMENTS swru221a Table of Contents i iintrodu tion EE 3 2 Aboutithis Manual ii ii ee 3 3 ACONES ece REES ENEE eegen 4 GI e lu EE 5 5 Getting Started ii i i ae 7 6 Using SmartRFO5EB as an In Circuit Emulator ICE snanar nee nnnr rm 9 GT Thi Debu eintera e 2228s i i n 9 7 USB Dongle Hardware Desecription 00 unennnennnnnnnnzzznnnnnnnnnnnnnrnmntn rna nnnrrnmmnnn nn rna nznnn 10 ali Ser IMC HACC i ei a e en tees sec eee aed ahd te a a re A a de 10 FZ Debug Connecter RP 10 7 3 RF Performance of Antenn 11 8 USB Dongle Reference Design and Schematics ss semen nnnnennenennnnnnnzzznnnnnnnnn nn 12 H AE deed deed dene deede AEEA AEE TEE 13 10 General Information siwi ia iii aa A ENER AED EE Deeg 14 10 1 Document HISIOLy ki a a a d 14 2 14 Trans xi INSTRUMENTS swru221a 1 Introduction Thank vou for purchasing a CC2530 Development Kit The CC2530 is Texas Instruments second generation ZigBee IEEE 802 15 4 compliant Svstem on Chip with an optimized 8051 MCU core and radio for the 2 4 GHz unlicensed ISM SRD band This device enables industrial grade applications by offering state of the art noise immunity excellent link budget operation up to 125 degrees and low voltage operation In addition the CC2530 provides extensive hardware support for packet handling data buffering burst transm
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