Segger supports Renesas for ARM Cortex-M85

Business news |
By Nick Flaherty

Segger has ported its development tool chain to support the latest high performance microcontroller core from ARM, the Cortex-M85. First silicon using the core was shown at the recent Embedded World by Renesas, using the Segger tool chain.

“At Embedded World 2022, Renesas demonstrated the industry’s first Arm Cortex-M85-based MCU, with performance unmatched in the world of microcontrollers. Thanks to the use of the J-Link debug probes, Renesas was able to minimize bring-up time of the new system and quickly develop an HMI demonstration application based on the Segger emWin,” said Andy Beeson, Product Manager at Renesas Electronics.

The tool chain includes the Embedded Studio IDE, J-Link debug probe, Ozone debugger and emPower OS all-in-one embedded operating system.

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Both Segger and Renesas are working on optimising the tools further to boost performance, The M85 core has the ability to issue three instructions per cycle in certain circumstances to get higher performance, and the compilers are being optimised to take this into account.

The debug interface has remained the same as other ARM devices, so Segger’s J-Link can be used to fine-tune for software development and production. This includes flashloaders, up to 3 MiB / s RAM download speed and the ability to set an unlimited number of breakpoints in the flash memory of MCUs. Ozone is a multi-platform debugger and performance analyzer for J-Link and J-Trace.

Embedded Studio is Segger’s multi-platform IDE (Integrated Development Environment). It includes all the tools and features a developer needs for professional embedded C and C++ programming and development. It comes with Segger’s highly optimized emRun runtime and emFloat floating-point libraries, as well as smart Linker, all of which have been developed from the ground up specifically for resource-constrained embedded systems. In combination with the Clang-based, highly optimizing C/C++ Compiler, extremely small yet efficient programs can be generated, putting every byte to work.

The emPower OS provides an RTOS plus a complete spectrum of software libraries including communication, security, data compression and storage, user interface software and more. Notably, emWin, SEGGER’s industry-leading embedded graphics library, enables the creation of highly efficient, and high-quality graphical user interfaces on any embedded system. Using emPower OS allows developers to benefit from decades of experience in the industry.;

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