Features
■ Complete system-on-chip – 32-bit ARM® Cortex™-M3 processor – 2.4 GHz IEEE 802.15.4 transceiver & lower MAC – 128/192/256-Kbyte Flash, 8/12/16-Kbyte RAM memory – AES128 encryption accelerator – Flexible ADC, SPI/UART/I2C serial communications, and general-purpose timers – 24 highly configurable GPIOs with Schmitt trigger inputs
■ Industry-leading ARM® Cortex™-M3 processor – Leading 32-bit processing performance – Highly efficient Thumb®-2 instruction set – Operation at 6, 12 or 24 MHz – Flexible nested vectored interrupt controller
■ Low power consumption, advanced management – Receive current (w/ CPU): 27 mA – Transmit current (w/ CPU, +3 dBm TX): 31 mA – Low deep sleep current, with retained RAM and GPIO: 400 nA/800 nA with/without sleep timer – Low-frequency internal RC oscillator for low-power sleep timing – High-frequency internal RC oscillator for fast (100 µs) processor start-up from sleep
■ Exceptional RF performance – Normal mode link budget up to 102 dB; configurable up to 107 dB – -99 dBm normal RX sensitivity; configurable to -100 dBm (1% PER, 20 byte packet) – +3 dB normal mode output power; configurable up to +8 dBm VFQFPN48 (7 x 7 mm) VFQFPN40 (6 x 6 mm) UFQFPN48 (7 x 7 mm) – Robust WiFi and Bluetooth coexistence
■ Innovative network and processor debug – Non-intrusive hardware packet trace – Serial wire/JTAG interface – Standard ARM debug capabilities: Flash patch & breakpoint; data watchpoint & trace; instrumentation trace macrocell
■ Application flexibility – Single voltage operation: 2.1-3.6 V with internal 1.8 V and 1.25 V regulators – Optional 32.768 kHz crystal for higher timer accuracy – Low external component count with single 24 MHz crystal – Support for external power amplifier – Small 7x7 mm 48-pin VFQFPN package or 6x6 mm 40-pin VFQFPN package

Applications
■ Smart energy
■ Building automation and control
■ Home automation and control
■ Security and monitoring
■ ZigBee® Pro wireless sensor networking
■ RF4CE products and remote controls
■ 6LoWPAN and custom protocols