SEGGER debug technology available for STM32 MCU boards

April 27, 2016

Hilden, Germany. SEGGER has introduced J-Link firmware for the embedded ST-LINK on STM32 Nucleo, STM32 Discovery, and other microcontroller unit (MCU) evaluation boards from STMicroelectronics. This brings the reliability and performance of SEGGER’s J-Link debug technology to these items of hardware, thereby leading to more efficient development processes.

The upgrade turns a board’s ST-LINK interface into a fully functional J-Link, which can then be employed to debug the board’s application processor. By upgrading to the J-Link firmware, developers will subsequently be able to set an unlimited number of breakpoints in flash memory and debug their applications considerably faster—resulting in better use of engineering resources and shortened time to market.

The J-Link firmware offers compatibility with all major tool chains, including those using GDB (GNU Debugger), on all major host platforms (Windows, Mac, Linux), while also attaining elevated operational benchmarks, including the fastest download speed into RAM and Flash memory. The tool needed to upgrade the firmware of the on-board ST-LINKs can be downloaded free from SEGGER’s website. If it ever becomes necessary to do so, the exchange process is completely reversible, restoring the original ST-LINK functionality.

“With J-Link firmware installed, users of STM32 Nucleo and STM32 Discovery evaluation boards, amongst others, will benefit from access to essential tools like SEGGER RTT and SystemView for real-time analysis purposes. In doing so, they will get the opportunity to experience the unmatched capabilities that our J Link technology offers,” stated Alex Grüner, CTO of SEGGER.

“The availability of J-Link firmware for ST-LINK provides a professional debug solution across the complete range of ST evaluation boards at all price points, from low-cost to feature-rich. It showcases the high flash programming speed of the ST boards and enables even more tool chains to use our STM32 Nucleo and STM32 Discovery boards. Making J Link available for these boards demonstrates the strength of the STM32 family as we continue to expand the ecosystem and further accelerate design and debug for our customers,” added Daniel Colonna, Marketing Director, Microcontroller Division, STMicroelectronics.

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