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Texas Instruments CC2520, User Manual

The Texas Instruments CC2520 is a powerful and versatile wireless communication chip. For detailed instructions on how to maximize its capabilities, download the user manual for free on our website. Unlock the full potential of your device with step-by-step guidance from the manual.

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swru138 

 2/33 

Table of contents 

 

1

 

INTRODUCTION ............................................................................................................ 3

 

2

 

ABOUT THIS MANUAL ................................................................................................. 3

 

3

 

ACRONYMS................................................................................................................... 4

 

4

 

DEVELOPMENT KIT CONTENTS................................................................................. 5

 

5

 

GETTING STARTED...................................................................................................... 7

 

5.1

 

S

MART

RF

 

S

TUDIO

............................................................................................................ 7

 

5.2

 

I

NSTALLING 

S

MART

RF

 

S

TUDIO AND 

W

INDOWS DRIVERS

...................................................... 7

 

5.3

 

U

SING THE HARDWARE

.................................................................................................... 11

 

5.4

 

U

SING 

S

MART

RF

 

S

TUDIO WITH 

S

MART

RF05EB

 AND 

CC2520EM .................................... 13

 

5.5

 

R

UNNING THE 

S

OFTWARE 

A

PPLICATION 

E

XAMPLES

.......................................................... 15

 

6

 

RF TESTING ................................................................................................................ 16

 

6.1

 

O

UTPUT POWER TESTING

................................................................................................ 16

 

6.2

 

P

ACKET 

E

RROR 

R

ATE 

(PER)

 TESTING

............................................................................. 17

 

7

 

SMARTRF05EB ........................................................................................................... 18

 

7.1

 

USB

 

MCU...................................................................................................................... 19

 

7.1.1

 

Boot loader and standard firmware .................................................................................................................19

 

7.1.2

 

USB MCU pin out ............................................................................................................................................20

 

7.2

 

M

ODE SELECTION SWITCH

............................................................................................... 21

 

7.3

 

P

OWER 

S

OURCES

........................................................................................................... 21

 

7.3.1

 

Battery power ..................................................................................................................................................21

 

7.3.2

 

DC Jack...........................................................................................................................................................21

 

7.3.3

 

USB power ......................................................................................................................................................22

 

7.3.4

 

Laboratory power supply .................................................................................................................................22

 

7.4

 

UART

 

RS232

 INTERFACE

............................................................................................... 22

 

7.5

 

J

OYSTICK

....................................................................................................................... 23

 

7.6

 

LCD............................................................................................................................... 23

 

7.7

 

B

UTTONS

........................................................................................................................ 23

 

7.8

 

LED

S

............................................................................................................................. 23

 

7.9

 

S

ERIAL 

F

LASH

................................................................................................................. 23

 

7.10

 

D

EBUG 

C

ONNECTORS 

(P18

 AND 

P20) ............................................................................. 24

 

7.11

 

EM

 CONNECTORS

........................................................................................................... 24

 

7.12

 

B

REAK

-

OUT HEADERS AND JUMPERS 

(P1

 AND 

P4) ............................................................ 25

 

8

 

CCMSP-EM430F2618 .................................................................................................. 27

 

8.1

 

JTAG

 INTERFACE AND POWER SOURCE

............................................................................ 27

 

8.2

 

BSL

 OR 

UART

 CONNECTOR

............................................................................................ 28

 

8.3

 

SPI

 

M

ODES

.................................................................................................................... 28

 

8.3.1

 

SPI Mode 1 (SPI_M1) .....................................................................................................................................28

 

8.3.2

 

SPI Mode 2 (SPI_M2) .....................................................................................................................................29

 

8.3.3

 

SPI Mode 3 (Bypass mode) ............................................................................................................................30

 

9

 

CC2520EM ................................................................................................................... 30

 

10

 

FREQUENTLY ASKED QUESTIONS ......................................................................... 31

 

11

 

REFERENCES ............................................................................................................. 33

 

12

 

DOCUMENT HISTORY ................................................................................................ 33

 

 
 

 

Summary of Contents for CC2520

Page 1: ...CC2520 Development Kit User s Guide swru138...

Page 2: ...andard firmware 19 7 1 2 USB MCU pin out 20 7 2 MODE SELECTION SWITCH 21 7 3 POWER SOURCES 21 7 3 1 Battery power 21 7 3 2 DC Jack 21 7 3 3 USB power 22 7 3 4 Laboratory power supply 22 7 4 UART RS232...

Page 3: ...www ti com lpw 2 About this manual This manual contains reference information about the hardware components of the CC2520 Development Kit Chapter 4 will briefly describe the contents of the developmen...

Page 4: ...d Circuit JTAG Joint Test Action Group kB Kilo Byte 1024 byte LCD Liquid Crystal Display LCL Local LED Light Emitting Diode LPW Low Power Wireless MCU Micro Controller PER Packet Error Rate RF Radio F...

Page 5: ...430F2618 Use SmartRF Studio to perform RF measurements The radio can be easily configured to measure sensitivity output power and other RF parameters Prototype development All I O from the CC2520 are...

Page 6: ...lugged into the SmartRF05EB and it is compatible with most TI LPW RF IC EMs CC2520EM This is the CC2520 Evaluation Module EM with the RF IC and necessary external components and matching filters for g...

Page 7: ...from the Texas Instruments website www ti com smartrfstudio where you will also find a complete user manual 5 2 Installing SmartRF Studio and Windows drivers Before your PC can communicate with the S...

Page 8: ...5EB for the first time Windows XP If you did a complete install of SmartRF Studio the driver to use is already copied to your hard drive Select No not this time and continue with Next Figure 3 Select...

Page 9: ...C Program Files Texas Instruments Extras Drivers for the needed inf and sys driver files Figure 4 The driver installation is completed Windows XP The driver is now installed and the computer should be...

Page 10: ...F Studio the evaluation board should now appear in the SmartRF05 DK tab Double click on the device and a new window opens giving access to all of the registers on the chip as well as making it possibl...

Page 11: ...8 Figure 7 CC2520EM and SmartRF05EB The first option Figure 7 should be used when the RF Module is controlled by SmartRF Studio via the USB controller on SmartRF05EB It is also possible to implement...

Page 12: ...e board can be powered through the MSP FET430UIF by setting the appropriate switch on the board See chapter 8 for details The development kit comes with two CCMSP EM430F2618 allowing two complete node...

Page 13: ...connected to SmartRF05EB After installation of SmartRF Studio and plugging the EB to the PC via USB the driver can be installed as described in chapter 5 2 When starting SmartRF Studio the following w...

Page 14: ...er and the other to be the transmitter o On the receiver select the Packet RX tab o Set up basic test parameters and press the Start packet RX button o On the transmitter select the Packet TX tab o St...

Page 15: ...in power switch from OFF to ON 4 Follow the instructions on the LCD by using the joystick to select modes and set up one node as transmitter and one as receiver 5 When the test starts it displays a PE...

Page 16: ...tudio documentation for more information about how to use the tool 6 1 Output power testing SmartRF05EB USB CC2520EM 50 Ohm coax cable Spectrum Analyser Figure 13 Output power measurement set up Inste...

Page 17: ...iven distance from the transmitter Then run the PER test to measure packet errors and possibly the signal strength Repeat at different distances to get an idea of the range that can be obtained By add...

Page 18: ...gure 14 SmartRF05EB Figure 15 shows the main components of the board and outlines the main communication buses Figure 15 SmartRF05EB architecture The main component on the board is the USB controller...

Page 19: ...rogrammer or hardware needed The boot loader communicates with SmartRF Studio or SmartRF Flash Programmer When the USB controller starts running it will check for a valid version of firmware in flash...

Page 20: ...P1 0 USB_IFC_CTRL Enables the USB interface when it is set high Set either by the boot loader or the firmware P1 1 USB_DBG_DC Debug clock used when CC2511 communicates with another LPW Soc via the deb...

Page 21: ...The power source can be selected using the power source selection jumper on header P11 Figure 17 Main power switch and power selection jumper The main power supply switch P8 turns off all power source...

Page 22: ...with RS232 signalling The RS232 voltage converter can be disabled by shorting pin 1 and 2 on P10 with a jumper The figure below gives a detailed overview of the UART signals and how they are connecte...

Page 23: ...PI bus and the additional control signals LCD CS LCD Mode and LCD Reset to control the LCD 7 7 Buttons There are five buttons on the evaluation board Button 1 and Button 2 are only connected to the EM...

Page 24: ..._LCD_MODE 11 12 EM_DBG_DC EM_LCD_FLASH_RESET 13 14 EM_CS EM_JOY_LEVEL 15 16 EM_SCLK EM_POT_R 17 18 EM_MOSI EM_MISO 19 20 GND Table 3 I O connector P18 pin out Signal name Pin Pin Signal name NC 1 2 NC...

Page 25: ...e flow control No 5 6 UART_RX Received data connected to TX on CC2511 Yes 7 8 UART_TX Transmitted data connected to RX on CC2511 Yes 9 10 SNIFF_DATA Sniff interface bit stream of data from radio No 11...

Page 26: ...26 LED2 Control signal for LED D2 Set high to turn LED on Yes 27 28 LED3 Control signal for LED D3 Set high to turn LED on Yes 29 30 LED4 Control signal for LED D4 Set high to turn LED on Yes 31 32 J...

Page 27: ...is used for programming and debugging software running on the MSP430F2618 Please refer to the CC2520DK Software User s Guide for further details on how the debugger can be used Figure 21 JTAG and powe...

Page 28: ...can be accessed from the CC2511 Custom software can be implemented to use the features It is also possible to connect an external cable to access the BSL Please refer to application reports www ti com...

Page 29: ...Mode 2 SPI_M2 An alternative mode is to use only one SPI bus for all devices This is achieved by using SPI mode 2 Figure 25 SPI Mode 2 In this case USCIB0 is used for accessing both the SPI devices on...

Page 30: ...the bus operating as a passive slave This chip select signal is routed to the EM chip select signal enabling its SPI interface The CC2511 can now operate as SPI master and communicate with the EM as...

Page 31: ...the following window Select the path as indicated in the figure above Windows should now be able to find and install the required driver If the above fails select Don t search I will choose the driver...

Page 32: ...ew firmware on the board Q6 How can I measure the current consumption of the radio on the EM A6 The easiest way to measure current consumption of the chip in various modes is to connect the EM directl...

Page 33: ...2520dk 3 CC2520 Software Examples User s Guide www ti com lit swru137 4 CC2520 website www ti com cc2520 5 SmartRF Studio www ti com smartrfstudio 6 TIMAC www ti com timac 7 DN002 Practical Sensitivit...

Page 34: ...swru138 Appendix A SmartRF05EB Schematics...

Page 35: ......

Page 36: ......

Page 37: ......

Page 38: ......

Page 39: ......

Page 40: ......

Page 41: ...swru138 Appendix B CCMSP EM430F2618 Schematics...

Page 42: ......

Page 43: ......

Page 44: ......

Page 45: ...ce and is an unfair and deceptive business practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support...

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