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for аÄÃÅÁùºÏ²Ê¿ª½± ARC? processors (ARC Zephyr) offers all of the benefits of open-source software, including complete source code and a large, growing user community. ARC Zephyr allows software developers to leverage a small-footprint real-time kernel for use in resource-constrained embedded systems together, while scalable to larger systems with a full range of support for communications protocols and file systems. ARC Zephyr runs on up-to-date 32- and 64-bit ARC processors, including ARC EMx, HS3x, HS4x, HS5x, HS6x and VPX processor families. The latest version of ARC Zephyr is available from the official Zephyr Project repository at .

The following features of ARC processors are supported in ARC Zephyr:

• Closely-coupled memories (ICCM & DCCM)
• Hardware-assisted unaligned memory access
• Interrupts with multiple priority levels
• Hardware floating-point unit (FPU)
• Symmetric multiprocessing (SMP)
• Hardware-assisted stack-checking
• Hardware-assisted atomic operations
• DSP ISA, AGU and XY-memory extensions
• Memory protection unit (MPU)

More detailed information is available in the .

ARC Zephyr is tested with Zephyr¡¯s extensive built-in on up-to-date аÄÃÅÁùºÏ²Ê¿ª½± hardware development platforms, as well as on аÄÃÅÁùºÏ²Ê¿ª½± ARC nSIM and open source QEMU simulators.

Read the Zephyr blog post "Zephyr RTOS is the Core of аÄÃÅÁùºÏ²Ê¿ª½± Silicon Lifecycle Management Solution" for an ARC Processor based reference example showcasing how аÄÃÅÁùºÏ²Ê¿ª½±' Silicon Lifecycle Management (SLM) solution provides a comprehensive roadmap not only for reliability and performance, but also for efficiency, and sustainability throughout the entire lifecycle of semiconductor devices.