rev. 0.2 6/12 copyright ? 2012 by silicon laborato ries si4010-rc-demo si4010-rc-demo si4010 ezr adio ? r emote c ontrol d emo k it u ser ? s g uide 1. purpose thank you for your interest in silic on laboratories? ezradio remote control demo kit. the silicon laboratories ezradio remote control demo kit (p/n ezr-ledk1w-xxx) contains ever ything you need to familiarize yourself with and evaluate the si4010 rf soc transmitter and the si 4355 receiver. the kit has three versions: one for the 434 mhz band, one for the 868 mhz band, and one for the 915 mhz band. the key features of the demo kit are as follows: ?? the key fob demo board has five push buttons and one led output. ?? the receiver demo board has four leds to display received key fob commands. ?? the provided software pack contains all the documentation and files needed to develop a user application. ?? the kit supports the use of the silicon laboratories in tegrated development environment (ide) for software debugging and the use of the keil c compiler, assembler, and linker toolchain. ?? contains demo applications using api functions and the key fob demo application. 1.1. kit content table 1. kit content qty part number description ezr-ledk1w-434 ezradio remote control demo kit 434 mhz 1 4010-kfob-434 si4010 universal key fob 434 mhz 1 4355-led-434-srx si4355 rfstick 434 mhz ezradio receiver board 1 msc-plpb_1 key fob plastic case (translucent grey) 2 aaa aaa alkaline battery 1 crd2032 cr2032 3 v coin battery ezr-ledk1w-868 ezradio remote control demo kit 868 mhz 1 4010-kfob-868 si4010 universal key fob 868 mhz 1 4355-LED-868-SRX si435 rfstick 868 mhz ezradio receiver board 1 msc-plpb_1 key fob plastic case (translucent grey) 2 aaa aaa alkaline battery 1 crd2032 cr2032 3 v coin battery ezr-ledk1w-915 ezradio remote control demo kit 915 mhz 1 4010-kfob-434 si4010 universal key fob 434 mhz 1 4355-led-434-srx si4355 rfstick 434 mhz ezradio receiver board 1 msc-plpb_1 key fob plastic case (translucent grey) 2 aaa aaa alkaline battery 1 crd2032 cr2032 3 v coin battery
si4010-rc-demo 2 rev. 0.2 figure 1. si4010 universal key fob board and plastic case (p/n 4010-kfob-434 and msc-plpb_1) figure 2. si4355 rfstick 434 mhz receiver board (p/n 4355-led-434-srx) 2. operating the demo the si4010 key fob transmitter and the si4355 rfstick receiv er are the transmitter and receiver devices used in the one way link demo. this transmitter/receiver pair can be used to evaluate the capabilities of the si4010 transmitter and the si4355 receiver. the first step is to insert the cr2032 battery in the battery holder on the 4010-kfob-xxx demo board and then place the board into the plastic key fo b case. next, insert the two aaa batteries in the battery holder on the 4355- led-xxx receiver board and turn it on by setting the s6 switch to the ?battery? position. led4 will light continuously indicating that power is on and the srx firmware is running. when a button is pressed on the key fob, leds flash on the receiver boad according to which button was pressed. in the next table, buttons are named according to thei r position when the key fob is held with its led facing forward. table 2. key fob buttons and resulting leds key fob button pressed rf stick led flashed left button led1 middle button led2 right button led3 rear button led1 + led3 front button led1 + led2 + led3
si4010-rc-demo rev. 0.2 3 3. rf parameters the demo kit uses the following rf parameters according to the kit?s frequency band. the modulation is fsk. 4. transmitter side program the si4010 in the key fob programmed with the rke_demo_2 program. since the program is burned in the nvm (otp) memory of the si4010, it cannot be changed. t he whole rke_demo_2 software project can be found in the example programs package of the si40 10. it is available at the web page http://www.silabs.com/products/wireless/ezr adio/pages/si4010.aspx on the tools tab. the key fob transmits an rf packet three times each time a bu tton is pressed, and it also blinks the led on the key fob. the packet structure is as follows: symbol rate is 9.6 kbd. each packet contains 18 additional bytes that are not re ceived by the receiver of this demo. these additional bytes are aes-encrypted and are used by the aes demo kit. se e details in the user?s guide of the aes demo kit (p/n 4010-aesk1w-434). in the key fob program the frequency and deviation is pin- selected by the pcb layout. this operating frequency is indicated on a label on the back of the key fob pcb. the 316.667 mhz key fob is availabl e in the 4010-aesk1w-31 5 demo kit or separate ly from silicon labs. the key fob?s default modulation is fsk but if the middle button is pressed and held during battery insertion, the modulation will be ook unt il the next powerdown (battery removal). kit part number center frequency deviation ezr-ledk1w-434 433.92 mhz ? 59 khz ezr-ledk1w-868 868.30 mhz ? 119 khz ezr-ledk1w-917 917.00 mhz ? 120 khz number of bytes field name description 13 preamble 0xaa 2 sync 0x2d, 0xd4 4 chip id unique, factory-burned chip id 1 status lower 5 bits are the button information 2 packet count rolling coun ter for per measurement 2 crc-16 generator x16+x15+x2+1, start value 0xffff gpio8 gpio9 center frequency deviation high low 316.66 mhz ? 43 khz high high 433.92 mhz ? 59 khz low high 868.30 mhz ? 119 khz low low 917.00 mhz ? 120 khz
si4010-rc-demo 4 rev. 0.2 5. receive side program the 8051f930 mcu on the rfstick transmitter board is factory-programmed with the stx_demo program. since the program is programmed in flash memory, it can be over written using a silicon labs toolstick base adapter that is part of the si4010 development kit or can be ordered separately as well (p/n toolstick_ba). the complete stx_demo software project can be found in the example progra ms package of the si4355. it is available at the web page http://www.silabs.com/p roducts/wireless/ezradi o/pages/si4355.aspx on the tools tab. the receiver prgoram configures and controls the si4355 receiver chip via the spi bus. the si4355 receives the packets transmitted by the keyfob, checks the preamble , the syn bytes and the crc. if the packet is ok, the program flashes the leds according to the button inform ation in the status byte of the received packet. 6. schematics schematics of the transmitter and receiver boards of the kit can be seen on the following pages. complete manufacturing file pack with cad/ca m files and boms can be found at http://www.silabs.com .
si4010-rc-demo rev. 0.2 5 ?
si4010-rc-demo 6 rev. 0.2 ?
si4010-rc-demo rev. 0.2 7 ?
si4010-rc-demo 8 rev. 0.2 d ocument c hange l ist revision 0.1 to revision 0.2 ?? updated "2. operating the demo" on page 2. ?? updated table 2 on page 2.
si4010-rc-demo rev. 0.2 9 n otes :
si4010-rc-demo 10 rev. 0.2 c ontact i nformation silicon laboratories inc. 400 west cesar chavez austin, tx 78701 tel: 1+(512) 416-8500 fax: 1+(512) 416-9669 toll free: 1+(877) 444-3032 please visit the silicon labs technical support web page: https://www.silabs.com/support/pages/contacttechnicalsupport.aspx and register to submit a technical support request. silicon laboratories and silicon labs are trademarks of silicon laboratories inc. other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders. the information in this document is believed to be accurate in all respects at the time of publ ication but is subject to change without notice. silicon laboratories assumes no responsibility for errors and omissions, and disclaims responsibi lity for any consequences resu lting from the use of information included herein. ad ditionally, silicon laboratorie s assumes no responsibility for the functioning of und escribed features or parameters. silicon laboratories reserves the right to make changes without further notice . silicon laboratories makes no wa rranty, rep- resentation or guarantee regarding the suitability of its products for any particular purpose, nor does silicon laboratories as sume any liability arising out of the application or use of any product or circuit, and s pecifically disclaims any and all liability, including wi thout limitation conse- quential or incidental damages. silicon laborat ories products are not designed, intended, or authorized for use in applications intended to support or sustain life, or for any other application in which the failure of t he silicon laboratories product could create a s ituation where per- sonal injury or death may occur. should buyer purchase or us e silicon laboratories products for any such unintended or unauthor ized ap- plication, buyer shall indemnify and hold silicon laboratories harmles s against all claims and damages.
|
