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Where I can find the tcm.zip example, mentioned in "Using Tightly Coupled
Memory with the Nios II Processor" ?
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I don't know where that example can be found.
You can refer to this tutorial if you haven't it yet.
http://www.altera.com/literature/tt/tt_nios2_tightly_coupled_memory_tutorial.pdf --- Quote Start ---
Actually, I can load my ISR function to the tightly_coupled_instruction_memory. But the tightly_coupled_data_memory seems to be unused.
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Linker places in TCM all data you tell him to place there.
Have you specified any?
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Til now, i haven't any performance improvements.
My ISR function is really short, it executes only "OSSemPost(IRQSem);". Is Tightly Coupled Memory even usefull or is VIC more applicable ?
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If ISR function is that short I wouldn't expect great performance improvements with TTC. Probably most of the performance losses are due to ISR dispatcher.
For longer functions I REALLY DO have about 30% execution speed improvements.
Regards
Honored Contributor
