CAMBRIDGE, United Kingdom--(BUSINESS WIRE)--ARM has unveiled a new hardware subsystem to enable the fast and efficient development of highly customized chips for smart connected devices. The ARM IoT subsystem for ARM Cortex-M processors is optimized for use with ARM’s most efficient processor and radio technologies, physical IP and ARM mbed™ OS. This individually licensable subsystem IP block, together with Cortex-M processor and ARM Cordio® radio IP, forms the basis for an IoT endpoint chip de