Wireless MCUs are based on secure-zone architecture

Posted By : Mick Elliott
Wireless MCUs are based on secure-zone architecture

Wireless Secure MCUs featuring a comprehensive multi-protocol wireless sub-system are available at Rutronik UK. Redpine Signals’ RS14100 WiSeMCU family of SoCs and modules feature voice activity detection (VAD) and up to eight inputs for capacitive touch sensors.

The RS14100 series offers what is claimed to be the industry’s lowest power consumption for battery-operated IoT devices.  

The wireless SoCs and modules can operate multiple protocols at the same time, including 802.11a/b/g/n (2.4GHz and 5GHz), dual-mode Bluetooth 5 and 802.15.4 for Thread and Zigbee. 

The on-chip application manager is based on an Arm-Cortex-M4 with an efficient performance of up to 180MHz and up to 4MB flash memory.

Several power modes are available to control the power consumption of the operating system as needed.

The ultra-low-power SoCs and modules enable the lowest Wi-Fi standby associated power of up to 50uA, and the Arm-Cortex-M4 can provide as low as 15uA/MHz operation.  

The SoCs and modules are based on a secure-zone architecture and use multiple levels of security, including PUF (Physically Unclonable Function), Crypto HW accelerators, Secure Boothloader and secure firmware upgrade, XIP and peripherals. They provide sufficient security for applications such as mobile point-of-sale terminals, smart locks, medical devices or secure voice-based ordering.

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