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Altera_Forum's avatar
Altera_Forum
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17 years ago

32-bit SSRAM must have byteenable for Nios II?

One question - For 32-bit external SSRAM (or async. SRAM), does it have to have byte write mode enabled in order to work with Nios II processor? In other words, can Nios II handle all instruct...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

You are correct. The performance impact this will have depends on your system and software design. Your processor will not necessarily run half as fast. The data and instruction caches will hide some of the performance loss. Any instruction that directly accesses the memory will suffer from an extra cycle penalty.

Jake