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Altera_Forum's avatar
Altera_Forum
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15 years ago

Flash doesn't work in NiosII

Hi all I want to read and write the 1MB 29LV800TE-90PFTN flash on DE2. I add a tri-state bridge and connect a CFI to it in the sopc builder and connect the pins as the demon does. 1 When...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Thank you. I have already used

// Flash

assign FL_RST_N = 1'b1;

in my design.

I have also tried to set the setup, wait and hold time in cfi to be larger than 200ns, but have no effect.

Do you use the same type of 1MB flash for most DE2 use the 4MB flash?