SEGGER delivers Device Lifecycle Management for Renesas RA MCUs

SEGGER delivers Device Lifecycle Management for Renesas RA MCUs

Business news |
By Jean-Pierre Joosting

SEGGER, in cooperation with Renesas, has further expanded the features offered by its professional line of Flasher in-circuit programmers. In addition to high-speed programming of Renesas RA4 and RA6 microcontrollers (MCUs) with Arm Cortex-M33 cores, SEGGER has now added Device Lifecycle Management (DLM) and Trustzone partitioning during mass production.

For owners of a current Flasher, installing these new features is as easy as simply downloading the latest software from There is no charge, no license cost and no hidden fees.

DLM and Trustzone partitioning for the RA MCUs can be seamlessly integrated into a standard production workflow — no third-party tools are required. The SEGGER Flasher, once configured, can work in stand-alone mode.

“SEGGER continues to provide excellent support for the Renesas RA devices,” says Bernd Westhoff, Renesas’ Marketing Director for RA Family MCU. “Now they have demonstrated their expertise once more with the first support of Arm TrustZone® and our Device Lifecycle Management (DLM).”

“Supporting the widest possible range of devices, with all of their special features, is and has always been part of our Flasher product strategy,” says Ivo Geilenbruegge, Managing Director of SEGGER. “Security for embedded devices remains a hot topic for SEGGER. That’s why supporting the latest security features of Renesas RA MCUs was another important milestone for us.”

SEGGER Flashers are a family of professional in-circuit programmers, designed to be used in service environments, prototype programming and for mass production. They program the flash (non-volatile) memory of microcontrollers and System-on-Chip (SoC) devices as well as QSPI flashes.

Flashers work with a PC or in stand-alone mode, connect via USB and/or Ethernet, and are multi-platform for Linux, macOS and Windows. The in-circuit flash programmers are fast, robust, reliable and easy to use.

The Cortex-M33-based devices in the Renesas RA4 and RA6 families of MCUs build upon the security features provided by Arm’s Trustzone-M functionality to offer additional levels of embedded security. The DLM defines the different phases of a device’s life and controls the capabilities of the debug interface as well as the boot mode serial interface. At production time, the DLM state can be configured to lockdown debug and/or boot mode access — helping to keep the system and the software it contains secure.

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