IoT MCU has Bluetooth 5, enhanced security and privacy

May 07, 2020 //By Rich Pell
IoT MCU has Bluetooth 5, enhanced security and privacy
Renesas Electronics has introduced its first RA microcontroller (MCU) with an integrated Bluetooth 5.0 Low Energy radio.

The single-chip RA4W1 MCU includes a 48 MHz, 32-bit Arm Cortex-M4 core and Bluetooth 5.0 core in a 56-pin QFN package. The RA4W1 together with the company's Flexible Software Package (FSP) is designed to enable engineers to immediately begin development with Arm ecosystem software and hardware building blocks that work out-of-the-box with RA MCUs.

The RA4W1, says the company, makes it easy for embedded designers to develop safe and secure IoT endpoint devices for Industry 4.0, building automation, metering, healthcare, consumer wearable, and home appliance applications. The MCU is also offered as being ideal for developing IoT edge devices for wireless sensor networks, IoT hubs, an add-on to gateways, and an aggregator to IoT cloud applications.

"While offering an MCU with Bluetooth 5.0 connectivity is not new to Renesas, the addition of the RA4W1 enables our customers to easily adopt Bluetooth 5.0," says Sakae Ito, Vice President of IoT Platform Business Division at Renesas. "Customers can also take full advantage of the on-chip MCU features, including Secure Crypto Engine to implement strong key management for the ultimate IoT security, and best-in-class output power consumption and sensitivity to achieve a superior link budget for longer range applications."

Key features of RA4W1 MCU include:

  • Arm Cortex M4 core and Bluetooth 5.0 core housed in 7mm x 7mm 56-pin QFN
  • Full Bluetooth 5.0 support with industry best power consumption and sensitivity for superior reception
  • Basic protocol stack package and all standard profiles
  • Innovative development environment allows simultaneous development of communication control and system control
  • Reduced BOM through integration
  • The Flexible Software Package’s (FSP) open architecture allows customers to re-use their legacy code and combine it with software examples from Renesas and ecosystem partners

The RA4W1 is available now and is priced at $3.98 each in 10,000-unit quantities.

Renesas Electronics


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