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Altera_Forum's avatar
Altera_Forum
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20 years ago

Parallel Flash Problems

I have searched tediously through the forums for any help on this, and have tried a lot of different things. I am using the same Flash chip as on the NIOS II Cyclone II Eval board on a custom d...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

You can try download a program into dram, and try out flash read write from dram. So that you can isolate if it is a jtag problem or others.

You can try to set io pin current stength to minimum. The jtag singal is weak. You should also try add series terminator / pull high to jtag signals.