Softwareꢀstacksꢀavailableꢀasꢀdownloads
PinꢀcompatibleꢀwithꢀotherꢀnRF51xxxꢀseriesꢀdevices
Applicationꢀdevelopmentꢀindependentꢀfromꢀprotocolꢀstack
Fullyꢀon-airꢀcompatibleꢀwithꢀnRF24L-series
Programmableꢀoutputꢀpowerꢀfromꢀ+4dBmꢀtoꢀ-20dBm
RSSIꢀ
RAMꢀmappedꢀFIFOsꢀusingꢀEasyDMA
Dynamicꢀonꢀairꢀpayloadꢀlengthꢀupꢀtoꢀ256ꢀBytes
Flexibleꢀandꢀconfigurableꢀ31ꢀpinꢀGPIO
ProgrammableꢀPeripheralꢀInterfaceꢀ–ꢀPPI
SimpleꢀON/OFFꢀglobalꢀpowerꢀmodes
Fullꢀsetꢀofꢀdigitalꢀinterfacesꢀincluding:ꢀSPI/2-wire/UART
10-bitꢀADC
128-bitꢀAESꢀECB/CCM/AARꢀco-processor
Quadratureꢀdemodulator
Lowꢀcostꢀexternalꢀcrystalꢀ16MHzꢀ±ꢀ40ppm
Lowꢀpowerꢀ16MHzꢀcrystalꢀandꢀRCꢀoscillators
Ultraꢀlow-powerꢀ32kHzꢀcrystalꢀandꢀRCꢀoscillators
Wideꢀsupplyꢀvoltageꢀrangeꢀ(1.8ꢀVꢀtoꢀ3.6ꢀV)
On-chipꢀDC/DCꢀbuckꢀconverter
Individualꢀpowerꢀmanagementꢀforꢀallꢀperipherals
Packageꢀoptions:ꢀ48-pinꢀ6x6ꢀQFN
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32-bitꢀARMꢀCortexꢀM0ꢀprocessor
256kBꢀflash/16kBꢀRAM
nRF51822
Multi-protocol Bluetooth Low Energy and
2.4GHz proprietary system-on-chip
ULP wireless system-on-chipꢀ
KEY FEATURES
TheꢀnRF51822ꢀisꢀaꢀpowerfulꢀmulti-protocolꢀsingleꢀchipꢀsolutionꢀ
forꢀULPꢀwirelessꢀapplications.ꢀItꢀincorporatesꢀNordic’sꢀlatestꢀ
best-in-classꢀperformanceꢀradioꢀtransceiver,ꢀanꢀARMꢀCortexꢀ
M0ꢀCPUꢀandꢀ256kBꢀflashꢀ+ꢀ16kBꢀRAMꢀmemory.ꢀTheꢀnRF51822ꢀ
supportsꢀBluetooth®ꢀlowꢀenergyꢀandꢀ2.4ꢀGHzꢀprotocolꢀstacks.
•ꢀ Multi-protocolꢀ2.4GHzꢀradio
Timers / Counters
Analog I/O
Digital I/O
256kB
Flash
System Peripherals
Power
supply
Processor
16 MHz 32-bit
ARM Cortex-M0 CPU
16kB
RAM
GPIO
Oscillators
Radio
Multi-protocol 2.4GHz
Lower power and higher performance
TheꢀnRF51822ꢀusesꢀtheꢀ32-bitꢀARMꢀCortexꢀM0ꢀMCU,ꢀtogetherꢀ
withꢀextensiveꢀflashꢀavailability,ꢀ256kBꢀinꢀtotal,ꢀwithꢀ128kBꢀ
availableꢀforꢀapplicationꢀdevelopment.ꢀCodeꢀdensityꢀandꢀexecutionꢀ
speedꢀareꢀconsiderablyꢀgreaterꢀthanꢀforꢀ8/16-bitꢀplatforms.ꢀTheꢀ
ProgrammableꢀPeripheralꢀInterconnectꢀ(PPI)ꢀsystemꢀprovidesꢀ
aꢀ16-channelꢀbusꢀforꢀdirectꢀandꢀautonomousꢀsystemꢀperipheralꢀ
communicationꢀwithoutꢀCPUꢀintervention.ꢀThisꢀbringsꢀpredictableꢀ
latencyꢀtimesꢀforꢀperipheralꢀtoꢀperipheralꢀinteractionꢀandꢀpowerꢀ
savingꢀbenefitsꢀassociatedꢀwithꢀleavingꢀtheꢀCPUꢀidle.ꢀTheꢀdeviceꢀ
hasꢀ2ꢀglobalꢀpowerꢀmodesꢀON/OFF,ꢀbutꢀallꢀsystemꢀblocksꢀandꢀ
peripheralsꢀhaveꢀindividualꢀpowerꢀmanagementꢀcontrolꢀwhichꢀ
allowsꢀforꢀanꢀautomaticꢀswitchingꢀRUN/IDLEꢀforꢀsystemꢀblocksꢀ
basedꢀonlyꢀonꢀthoseꢀrequired/notꢀrequiredꢀtoꢀachieveꢀparticularꢀ
tasks.
APPLICATIONS
•ꢀ BluetoothꢀSmartꢀapplications
•ꢀ Mobileꢀphoneꢀaccessories
•ꢀ Computerꢀperipherals
•ꢀ CEꢀremoteꢀcontrolsꢀforꢀTV,ꢀSTBꢀandꢀmediaꢀsystems
•ꢀ Proximityꢀandꢀsecurityꢀalertꢀtags
•ꢀ Sports-ꢀandꢀfitnessꢀsensors
•ꢀ Healthcareꢀandꢀlifestyleꢀsensors
•ꢀ Gameꢀcontrollersꢀforꢀcomputers
•ꢀ ToysꢀandꢀElectronicꢀgames
•ꢀ Domestic/Industrialꢀcontrolꢀandꢀdata-acquisition
•ꢀ SmartꢀRFꢀtagsꢀforꢀtrackingꢀandꢀsocialꢀinteraction
•ꢀ Audienceꢀresponseꢀsystem
TheꢀnewꢀradioꢀformsꢀtheꢀbasisꢀofꢀtheꢀnRF51822’sꢀperformance.ꢀ
TheꢀradioꢀsupportsꢀBluetoothꢀLowꢀEnergyꢀandꢀisꢀonꢀairꢀcompatibleꢀ
withꢀtheꢀnRF24L-seriesꢀproductsꢀfromꢀNordicꢀSemiconductor.ꢀ
Outputꢀpowerꢀisꢀnowꢀscalableꢀfromꢀaꢀmaximumꢀofꢀ+4dBmꢀdownꢀ
toꢀ-20dBmꢀinꢀ4dBꢀsteps.ꢀSensitivityꢀisꢀincreasedꢀatꢀeveryꢀlevelꢀ
andꢀoffersꢀsensitivityꢀrangesꢀ(dependentꢀonꢀdataꢀrate)ꢀfromꢀ-96ꢀtoꢀ
-85dBm,ꢀwithꢀ-92.5dBmꢀforꢀBluetoothꢀlowꢀenergy.
•ꢀ Intelligentꢀdomesticꢀappliances
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