Data Sheet

FSC‐BT646Datasheet
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 ShenzhenFeasycomTechnologyCo.,Ltd   www.feasycom.com
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1.  INTRODUCTION
Overview
FSC‐BT646isBluetoothLowEnergy4.2(BLE4.2)Module.
Itcanbeusedasanapplicationprocessoraswellasa
datapumpinfullyhostedsystems.MCUis32‐bit
microcontroller.Itsupportsawiderangeofapplications
fromlow‐end,pricesensitivedesignstocomputing‐
intensiveonesandprovidesadvancedhigh‐endfeatures
ineconomicalproducts.
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VerylowactiveRF,MCUcurrentandlow‐powermode
currentconsumptionprovideexcellentbatterylifetime
andallowforoperationonsmallcoincellbatteriesandin
energy‐harvestingapplications.
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TheBLE4.2firmwareincludestheL2CAPservicelayer
protocols, Security Manager (SM), At‐tribute Protocol
(ATT),theGenericAttributeProfile(GATT)andtheGeneric
AccessProfile(GAP). 
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Features
2.4‐GHzRFTransceiverCompatibleWithBluetooth
lowenergy(BLE)4.2
ProgrammableTXpowerupto13dBm(Class1)
RXsensitivityupto‐90dBm
Postagestampsizedformfactor
Programmablebaud‐rategenerator(baudratecanup
to921600bps) 
UART,I2C,SPI,12‐bitADC,PWMconnectioninterfaces
Bluetoothstackprofilessupport:HID
OperatingVoltage:2.0Vto3.6V
OperatingTemperature:‐40°Cto+85°C
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Application
HealthThermometer
HeartRate
BloodPressure
Proximity 
HumanInterfaceDevice(HID)
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Modulepictureasbelowshowing
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Figure1:  FSC‐BT646Picture
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