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1、深圳市信馳達科技有限公司1BLE4.0Module/低功耗藍牙(BLE4.0)透透透明透明明明傳傳傳傳輸輸輸輸模模模模塊塊塊塊GeneralDescriptionTheCC2540moduleisacost-effective,low-power,truesystem-on-chip(SoC)forBluetoothlowenergyapplications.ItenablesrobustBLEmasterorslavenodestobebuiltwithverylowtotalbill-of-materialcosts.TheCC2540co
2、mbinesanexcellentRFtransceiverwithanindustry-standardenhanced8051MCU,in-systemprogrammableflashmemory,8-KBRAM,andmanyotherpowerfulsupportingfeaturesandperipherals.TheCC2540issuitableforsystemswhereverylowpowerconsumptionisrequired.Verylow-powersleepmodesareavailable.Shorttra
3、nsitiontimesbetweenoperatingmodesfurtherenablelowpowerconsumption.FeaturesandBenefitsBluetoothlowenergytechnologyCompatibleExcellentLinkBudget(upto97dB),EnablingLong-RangeApplicationsAccurateDigitalRSSIComplianceWithFCC&CEstandardHigh-PerformanceandLow-Power8051MCUcore
4、BatteryMonitorandTemperatureSensorSampleApplicationsandProfilesFull-SpeedUSBInterfaceAESSecurityCoprocessorApplications2.4-GHzBluetoothlowenergySystemsMobilePhoneAccessoriesSportsandLeisureEquipmentConsumerElectronicsHumanInterfaceDevices(Keyboard,MouseRemoteControl
5、)USBDonglesHealthCareandMedical深圳市信馳達科技有限公司2ITEMTESTREQUIREMENTREMARKSVoltagesupply2.0－3.6VDCCenterfrequency2400－2483.5MHzProgrammableFrequencyerror±20KHzModulationO-QPSKOutputpower4.5dBmProgrammableReceivingsensitivity-93dBmHighgainModeReceivingcurrent24mAHighgainmodeRece
6、ivingcurrent21mAStandardmodeTransmittingcurrent35mATXPower4dBmTransmittingcurrent26mATXPower-6dBmSleepconsumptionAtpower0.4uAConnection-lessstatmode3Transmitdistance>50MBER<0.1%Antenna50ohmTemperaturerange-20－85°Cmodulesize15*25mm接線方框圖DC+3vMCUUARTTXCC2540UEN計步器，BLE藍牙手Ready心
7、率等測量設(shè)備模塊機BluetoothRFGND說明：1.Ready，在設(shè)備準(zhǔn)備好的時候置低，不使用時置高電平。2.藍牙模塊常態(tài)處于休眠狀態(tài)，當(dāng)Ready為低，開始廣播，等待手機對接。3.對接成功后，移動設(shè)備會有提示。4.設(shè)備在對接成功后，每兩秒給出一幀數(shù)據(jù)，如果校驗正確，BLE模塊則立即發(fā)送到手機，否則放棄發(fā)送。5.設(shè)備在發(fā)送串口數(shù)據(jù)之前，置低UEN，來喚醒CC2540，發(fā)送完畢之后抬高UEN.6.設(shè)備置低UEN之后延時暫定500us，串口再發(fā)送數(shù)據(jù)。深圳市信馳達科技有限公司3ReadyUENUARTDATA串口硬件協(xié)議：9600bps,8
8、,無校驗位，1停止位軟件協(xié)議結(jié)構(gòu)：格式定義說明byte1ASCII'R'同步標(biāo)志0x52byte2HEXID1心率帶編號byte3HEXID2心率帶
