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)
‧ 4.6 mA peak current in TX (0 dBm)
‧ 4.6 mA peak current in RX
‧ RSSI (1 dB resolution)
ARM® Cortex®-M4 32-bit processor, 64 MHz
‧ 144 EEMBC CoreMark® score running from flash memory
‧ 34.4 μA/MHz running from flash memory
‧ 32.8 μA/MHz running from RAM
‧ Serial wire debug (SWD)
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, no RAM retention
‧ 0.5 μA at 3 V in System OFF mode with full 24 kB RAM retention
‧ 1.5 μA at 3 V in System ON mode, with full 24 kB RAM retention, wake on RTC
192 kB flash and 24 kB RAM
Nordic SoftDevice ready
Support for concurrent multi-protocol
12-bit, 200 ksps ADC - 8 configurable channels with programmable gain
64 level comparator
Temperature sensor
Up to 32 general purpose I/O pins
4-channel pulse width modulator (PWM) unit with EasyDMA
Digital microphone interface (PDM)
3x 32-bit timer with counter mode
SPI master/slave with EasyDMA
I2C compatible 2-wire master/slave
UART (CTS/RTS) with EasyDMA
Programmable peripheral interconnect (PPI)
Quadrature decoder (QDEC)
AES HW encryption with EasyDMA
2x real-time counter (RTC)
Single crystal operation