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Altera_Forum
Honored Contributor
16 years agocan not verify DDR SDRAM write activity using SignalTap
Dear all, My test SDRAM program works good in Nios II, but I can not verify write activity using SignalTap, anyone can help? I am using Cyclone III starter kit, the given example "Hello ...
Altera_Forum
Honored Contributor
16 years agofound some problems.
Even before I input write address in Nios, haven't run the IORW function yet, there are already a lot of local_write_req pulses available and captured by SignalTap. I don't understand, where are these write/read request from? my Nios II program is still waiting for address to do IORW. Why there are already read request and write request? Any one has similar problems? Thank you very much!