IoT subsystem creates complete SoCs

8th June 2015

ARM Ltd

Jordan Mulcare

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To enable the fast and efficient development of highly customised chips for smart connect devices, ARM has announced its latest hardware subsystem. The ARM IoT subsystem for ARM Cortex-M processors is optimised 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 design, allowing partners to integrate sensors and other peripherals to create complete SoCs. Using ARM Artisan physical IP, the design is optimised for TSMC's 55nm ultra-low power process technology with embedded flash memory, and will enable chips with reduced size, cost and power consumption, operating at sub one-volt.

The ARM subsystem will support IoT market growth by reducing development risk and enabling companies to quickly create products that address opportunities in the smart homes and smart cities markets. Companies expected to license the subsystem include analog sensor makers and companies looking to add IoT connectivity to existing IP.

The subsystem features a range of peripherals and interfaces; including links to TSMC's embedded flash memory. It is specifically designed for use with Cortex-M processors and optimised for mbed OS and Cordio Bluetooth Smart radio. It is possible to integrate other radios and wireless networking standards such as WiFi and 802.15.4.

The combination of Artisan physical IP and TSMC's 55ULP process means the subsystem can run at sub-one volt operation, extending battery life and making it easier to run a device using energy harvesting.