Single chip, highly flexible, 2.4 GHz multi-protocol SoC32-bit ARM Cortex-M4F Processor1.7v to 3.6v operation512kB flash + 64kB RAMSupports concurrent Bluetooth Smart/ANT protocol operationOn-chip NFC tag for Out-of-Band（OOB） pairingUp to +4dBm output power-96dBm sensitivity, Bluetooth SmartThread safe and run-time protectedEvent driven APIOn air compatible with nRF24L and nRF24AP series2 data rates（2Mbps/1Mbps）PPI - maximum flexibility for power-efficient applications and code simplificationAutomated power management system with automatic power management of each peripheralConfigurable I/O mapping for analog and digital I/O3 x Master/Slave SPI2 x Two-wire interface（I C）UART（RTS/CTS）3 x PWMAES HW encryptionReal Time Counter（RTC）Digital microphone interface（PDM）On-chip balun
