3.2.1. Recommended Usage
Many Nios® II systems have simpler requirements where minimal system software or a small-footprint operating system (such as the Intel FPGA® hardware abstraction library (HAL) or a third party real-time operating system) is sufficient. Such software is unlikely to function correctly in a hardware system with an MMU-based Nios® II processor. Do not include an MMU in your Nios® II system unless your operating system requires it.
If your system needs memory protection, but not virtual memory management, refer to Memory Protection Unit section.
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