Nordic Semiconductor has launched its first Thread networking solution with the release of its nRF5 SDK for Thread that is designed to utilise the IEEE 802.15.4 PHY support introduced on the firm’s latest nRF52840 multi-protocol Bluetooth low energy system-on-chip (SoC). In addition, the SDK adds a unique device firmware update (DFU)-over-Thread network feature like the over-the-air DFU feature employed in other existing Nordic SDKs and chips.
The nRF52840’s large RAM (256 KB) and Flash (1 MB) memory enable the SoC to run both the Thread and Bluetooth low energy protocol stacks from the same single chip. What’s more, it is able to run the Thread protocol at accelerated processing speeds by using its built-in ARM CryptoCell-310 cryptographic accelerator to run the Thread security algorithms.
Thread was designed to create the best way to connect and control products where people live and work. This includes robust security (smartphone-grade authentication and AES encryption), low power battery-friendly operation, and scalable reliability. This is all built around a developer-friendly IP-based (IPv6 with 6LoWPAN) mesh network. Prime ‘home Internet of Things (IoT)’ target applications for Thread include home automation, appliances, access control, climate control, safety, lighting, healthcare and security systems.
As well as support for DFU-over-Thread, the Nordic nRF5 SDK for Thread includes a pre-built OpenThread stack for the Nordic nRF52840 SoC; examples of all the different Thread roles; support for an OpenThread network co-processor; a CoAP application layer example; border router and cloud connectivity example; and a range of PC tools including a Thread topology monitor.
The Nordic nRF5 SDK for Thread is now available in Alpha release with full production scheduled for the fourth quarter of 2017, aligning with the full production of the Nordic nRF52840 SoC.
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