32-bit Processor
EM359x High-Performance, Integrated ZigBee/802.15.4 System-on-Chip Family Complete System-on-Chip Exceptional RF Performance - 32-bit ARM® Cortex -M3 processor - Normal mode link budget up to 103 dB; configurable up - 2.4 GHz IEEE 802.15.4-2003 transceiver & lower MAC - 256 or 512 kB flash, with optional read protection - 32 or 64 kB RAM memory s - AES1...
Silicon Laboratories