Title Here, Up to To Lines of Text SILICA：在这里上两行文字二氧化硅

1、under embargo until october 27, 2008cyfi low-power rf reliable. simple. power-efficient.cyfi low-power rf under embargo until october 27, 20082jfmdagenda what is cyfi low-power rf? low-power rf applications & challenges cyfi advantages cyfi vs. other wireless solutions getting started with cyfi

2、low-power rfcyfi low-power rf under embargo until october 27, 20083jfmdcyfi low-power rf2.4 ghz low-power rfcyfi is a cost effective low-power wireless solution that operates in the unlicensed 2.4 ghz ism band 2.4 ghzfor wireless embedded controlcyfi applications include wireless sensor networks, ho

3、me automation, commercial building automation, remote controls, industrial process automation, and precision agriculturereliable. simple. power-efficient.cyfi uncompromisingly brings together reliability, simplicity, and power-efficiency along with the added benefits of psoccyfi low-power rf under e

4、mbargo until october 27, 20084jfmdcyfi: a complete wireless solution programmable analog/digital plus mcu integrate 100s of discrete components flexible sense & control in a single chipcyfi star network protocol pre-configured firmware modules complete api-based protocol stack supports up to 250

5、 nodes bi-directional communications active link and power management coin-cell operations simple network commissioningcyfi transceiver operation in the 2.4-ghz ism band dsss modulation for interference immunity, enhanced co-location, and extended range 1 mbps/250 kbps/125 kbps data rates 80 discret

6、e channels up to +4 dbm output power up to -97 dbm receive sensitivitycyfi low-power rf under embargo until october 27, 20085jfmdlow-power rf applicationslow power sensor networkshuman input & remote controlindustrial monitoring & controlsports & leisureprecision agriculturehome/building

7、 automation & securityasset managementmedical & well-being equipmentcyfi low-power rf under embargo until october 27, 20086jfmdlow-power rf challengesreliabilitywireless congestion and interferencerange limitations, need for long-rangesimplicityexpensive/complicated developmentcostly commiss

8、ioningpower-efficiencypower limitationsvariety of power sourcescyfi low-power rf under embargo until october 27, 20087jfmdcyfi: designed for embedded wirelessreliable worry-free link in the 2.4-ghz band. direct sequence spread spectrum active link management superior link budget lightweight network

9、protocol stack drag-and-drop firmware modules pre-certified rf hardware modules low average power consumption active power management flexible output power levels configurable analog and digital blocks programmable routing & interconnect drag-and-drop modules in psoc idesimple design effortlessl

10、y, get to market faster.powered by psocdesign with flexibility, integrate more into your system, and customize your analogpower-efficient low power through intelligence.benefitsfeaturescyfi low-power rf under embargo until october 27, 20088jfmdcyfi is reliable: direct sequence spread spectrumtransmi

11、tting radio100110101 byte of data11001100100111011100111000data is converted into sequence of 32 chips32-chip symbol250 kbps data rate (32 chips/byte)harsh environment11011000100011011000111100chip errorsreceiving radio10011010original 1 byte of data is recovered!reliable transmission!cyfi low-power

12、 rf under embargo until october 27, 20089jfmdcyfi is reliable: active link management part 1a cyfi network operates in a quiet channel to ensure the hub can receive packets from the nodes1a wi-fi network starts to interferethe hub will immediatelydetect the noisy environment2a cyfi network will hunt

13、 for aclean channel and settle there3network resumes with successful transmissions2.4002.4042.4082.4122.4162.4202.4242.4282.4322.4002.4042.4082.4122.4162.4202.4242.4282.432wi-fi2.3962.4002.4042.4082.4122.4162.4202.4242.4282.432wi-ficyficyfi low-power rf under embargo until october 27, 200810jfmdcyfi

14、 is reliable: active link management part 2power output level is set to lowestpossible level that still ensures successful transmissions.1data rate is set to max (1 mbps)2interference is detected3data rate is dynamically reduced to 250 kbps for more robustness4power output level is dynamically incre

15、ased to overcome the interference6interference increases51 mbps250 kbps250 kbps250 kbps+4 dbm1 mbps-5 dbmcyfi low-power rf under embargo until october 27, 200811jfmdcyfi is reliable: superior link budgetfeaturesmax bitratemax dsss ratereceive sensitivityvoltage rangepeak tx icc 0dbmpeak rx iccavg ic

16、csleep iccmax tx powercoding gaintx/rx bufferauto crcautoackinternal boost1mbps250kbps-97dbm1.8 - 3.6v26.2ma23ma0.87ma0.8ua+4dbm9-13dbmyesyesyesyesdirect sequencespread spectrum(dsss) enginerssipagfskmodulatorgfskdemodulatorfast channelselectorcyfi transceivercyfi low-power rf under embargo until oc

17、tober 27, 200812jfmdcyfi is simple: lightweight network protocol stack16 kb32 kb64 kb8 kbffdnoderfdhubnode46 kb26 kb26 kb8 kb5 kbcyfi snpcyfi low-power rf under embargo until october 27, 200813jfmdcyfi is simple: drag-and-drop firmware modulescyfi low-power rf under embargo until october 27, 200814j

18、fmdcyfi is power-efficient: low power consumptionsleeptransmitreceive0.8 a -5 dbm 20.8 ma 0 dbm 26.2 ma +4 dbm 34.1 ma21.2 ma peak4-years of battery life for typical sensor applicationszzzcyfi low-power rf under embargo until october 27, 200815jfmdcyfi is power-efficient: low power consumptiondata r

19、ates dynamically switch between 1 mbps and 250 kbps depending on the environment to maximize sleep time and reduce power consumptionshould a node detect that its power output is excessive, it will dynamically reduce its power output to conserve powerhigh-reliability drives power-efficiencyzzz250 kbp

20、s+4 dbm-5 dbmcyfi low-power rf under embargo until october 27, 200816jfmdcyfi: powered by psoc technologypsoc programmable system-on-chippsoc mixed-signal arrays integrate dynamic, configurable analog and digital peripherals with a flash based c in a single chip solution for embedded systems everywh

21、ereintegrate. accelerate. liberate.psoc reduces architecture, design, test and debugging time by providing the highest level of integration and flexible features, with best-in-class software, development tools, documentation and supportpsoc is everywheresince its introduction in 2003, psoc has rapid

22、ly grown with over 300 million units shipped and over 6,000 customers worldwide in various embedded control applications ranging from consumer electronics to industrial and automotive cyfi low-power rf under embargo until october 27, 200817jfmdpsoc valuebom costs - analog, microcontroller, pwms, i2c, spimanufacturing - chip count, boa