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Exynos iT200 Targets Wi-Fi IoT Client

August 15, 2017

Author: Mike Demler

The new iT200 is the first Samsung Exynos chip purpose-built for wireless Internet of Things (IoT) client devices. It integrates two ARM Cortex CPUs and a complete 802.11b/g/n single-band (2.4GHz) Wi-Fi radio, including the digital baseband, RF transceiver, low-noise amplifier, power amplifier, and receive/transmit switch. The company manufactures it in a 28nm high-k metal-gate (HKMG) process, and it’s in mass production now.

The iT200 uses a Cortex-R4 CPU to handle general system-management tasks, such as running the Wi-Fi protocol stack, along with a tiny Cortex-M0+ that handles I/O functions and controls LED status signals. Both CPUs run at a maximum 320MHz clock frequency. For battery-operated IoT devices and wearables requiring always-on standby operation, we expect the M0+ will monitor the I/O for wakeup signals while the R4 powers down to conserve battery life.

Samsung has pledged to make all its appliances and consumer electronics Internet connected by 2020, and we expect the iT200 will power many of them, stealing sockets from the likes of Cypress and Qualcomm. The new Exynos chip won’t set any Wi-Fi performance records, but few IoT clients require high-bandwidth connections. Its PUF feature addresses the critical need for more-robust security, so it will appeal to third-party IoT device manufacturers as well.

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