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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

FWIW, a late follow up: the most recent version of YARI uses the SSRAM for the main memory and framebuffer, so this is pretty thoroughly tested. Check out the most recent version on http://repo.or.cz/w/yari.git

It's currently just using the SSRAM at 50 MHz, but pending changes pushes it close to 200 MHz.

(*) YARI is a MIPS I compatible soft core + peripherals for the DE2-70 and others. All logic is written from scratch by me, including all peripherals and memory controllers.

Tommy