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KROS Operating System

KROS provides a royalty free, standards based, real time operating system for the Altera Nios embedded processor.

Designed as a priority driven, preemptive multi-tasking operating system - KROS delivers deterministic performance without a large overhead.


Complete KROS offers a large set of operating system functions as well as a full TCP/IP Protocol Suite, Filesystem, and Graphical User Interface.
Portable KROS uses the POSIX interface (API) for increased portability. Many companies now require this due to its high level of flexibility.
Compact Designed for speed and low memory use, KROS can be as small as 20 kilobytes in size. Features which are not used by your application are automatically excluded from RAM & ROM.
Aware KROS is SOPC Aware. This means KROS will automatically adjust to your Nios hardware design. It is not necessary to change your C source code after changing your Nios design.


Fact:   KROS software is royalty free. Our software is licensed per product, not per unit manufactured.