Key features
• 2.4 GHz transceiver
• -96 dBm sensitivity in Bluetooth® low energy mode
• Supported data rates: 1 Mbps, 2 Mbps Bluetooth® low energy mode
• -20 to +4 dBm TX power, configurable in 4 dB steps
• On-chip balun (single-ended RF)
• 5.3 mA peak current in TX (0 dBm)
• 5.4 mA peak current in RX
• RSSI (1 dB resolution)
• ARM® Cortex®-M4 32-bit processor with FPU, 64 MHz
• 215 EEMBC CoreMark® score running from flash memory
• 58 μA/MHz running from flash memory
• 51.6 μA/MHz running from RAM
• Data watchpoint and trace (DWT), embedded trace macrocell (ETM), and
instrumentation trace macrocell (ITM)
• Serial wire debug (SWD)
• Trace port
• Flexible power management
• 1.7 V–3.6 V supply voltage range
• Fully automatic LDO and DC/DC regulator system
• Fast wake-up using 64 MHz internal oscillator
• 0.3 μA at 3 V in System OFF mode
• 0.7 μA at 3 V in System OFF mode with full 64 kB RAM retention
• 1.9 μA at 3 V in System ON mode, no RAM retention, wake on RTC
• Memory
• 512 kB flash/64 kB RAM
• 256 kB flash/32 kB RAM
• Nordic SoftDevice ready
• Support for concurrent multi-protocol
• Type 2 near field communication (NFC-A) tag with wakeup-on-field and touchto-
pair capabilities
• 12-bit, 200 ksps ADC - 8 configurable channels with programmable gain
• 64 level comparator
• 15 level low power comparator with wakeup from System OFF mode
• Temperature sensor
• 32 general purpose I/O pins
• 3x 4-channel pulse width modulator (PWM) unit with EasyDMA
• Digital microphone interface (PDM)
• 5x 32-bit timer with counter mode
• Up to 3x SPI master/slave with EasyDMA
• Up to 2x I2C compatible 2-wire master/slave
• I2S with EasyDMA
• UART (CTS/RTS) with EasyDMA
• Programmable peripheral interconnect (PPI)
• Quadrature decoder (QDEC)
• AES HW encryption with EasyDMA
• Autonomous peripheral operation without CPU intervention using PPI and
EasyDMA
• 3x real-time counter (RTC)
• Single crystal operation
• Package variants
• QFN48 package, 6 × 6 mm
• WLCSP package, 3.0 × 3.2 mm

Applications
• Internet of Things (IoT)
• Home automation
• Sensor networks
• Building automation
• Industrial
• Retail
•
Personal area networks
• Health/fitness sensor and monitor devices
• Medical devices
• Key fobs and wrist watches
•
Interactive entertainment devices
• Remote controls
• Gaming controllers
•
Beacons
•
A4WP wireless chargers and devices
•
Remote control toys
•
Computer peripherals and I/O devices
• Mouse
• Keyboard
• Multi-touch trackpad
• Gaming
and