BLE40 低功耗蓝牙透明传输模块pdf.pdf

深圳市信驰达科技有限公司
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BLE4.0Module/低功耗蓝牙(BLE4.0)透透透明透明明明传传传传输输输输模模模模块块块块

GeneralDescription

TheCC2540moduleisacost-effective,low-power,truesystem-on-chip(SoC)for
Bluetoothlowenergyapplications.ItenablesrobustBLEmasterorslavenodestobebuilt
withverylowtotalbill-of-materialcosts.TheCC2540combinesanexcellentRF
transceiverwithanindustry-standardenhanced8051MCU,in-systemprogrammable
flashmemory,8-KBRAM,andmanyotherpowerfulsupportingfeaturesandperipherals.
TheCC2540issuitableforsystemswhereverylowpowerconsumptionisrequired.Very
low-powersleepmodesareavailable.Shorttransitiontimesbetweenoperatingmodes
furtherenablelowpowerconsumption.

FeaturesandBenefits

BluetoothlowenergytechnologyCompatible

ExcellentLinkBudget(upto97dB),

EnablingLong-RangeApplications

AccurateDigitalRSSI

ComplianceWithFCC&CEstandard

High-PerformanceandLow-Power8051MCUcore

BatteryMonitorandTemperatureSensor

SampleApplicationsandProfiles

Full-SpeedUSBInterface

AESSecurityCoprocessor

Applications

2.4-GHzBluetoothlowenergySystems

MobilePhoneAccessories

SportsandLeisureEquipment

ConsumerElectronics

HumanInterfaceDevices(Keyboard,MouseRemoteControl)

USBDongles

HealthCareandMedical

深圳市信驰达科技有限公司
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ITEMTESTREQUIREMENTREMARKS
Voltagesupply2.0－3.6VDC
Centerfrequency2400－2483.5MHzProgrammable
Frequencyerror±20KHz
ModulationO-QPSK
Outputpower4.5dBmProgrammable
Receivingsensitivity-93dBmHighgainMode
Receivingcurrent24mAHighgainmode
Receivingcurrent21mAStandardmode
Transmittingcurrent35mATXPower4dBm
Transmittingcurrent26mATXPower-6dBm
SleepconsumptionAtpower
0.4uAConnection-lessstat
mode3
Transmitdistance>50MBER<0.1%
Antenna50ohm
Temperaturerange-20－85°C
modulesize15*25mm

接线方框图
DC+3v

MCUUARTTXCC2540
计步器，UENBLE蓝牙手
心率等测量设备Ready模块机
Bluetooth
RF

GND

说明：
1.Ready，在设备准备好的时候置低，不使用时置高电平。
2.蓝牙模块常态处于休眠状态，当Ready为低，开始广播，等待手机对接。
3.对接成功后，移动设备会有提示。
4.设备在对接成功后，每两秒给出一帧数据，如果校验正确，BLE模块则立即发送到手
机，否则放弃发送。
5.设备在发送串口数据之前，置低UEN，来唤醒CC2540，发送完毕之后抬高UEN.
6.设备置低UEN之后延时暂定500us，串口再发送数据。

深圳市信驰达科技有限公司
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Ready

UEN