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Altera_Forum's avatar
Altera_Forum
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15 years ago

URGENT: Flash memory

Hello. I am doing a project regarding DMA. However I need to use flash memory on the DE2 Board. I have done the instantiation for the flash but I cannot use because it always return zero for the func...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I am using Altera DE2 Board with 4MB Flash attached.

My setting in SOPC:

Address Width: 22-bit

Data Width: 8-bit

Timing:

Setup: 40

Wait: 160

Hold: 40

Unit: ns

Remember to add in Avalon MM Tristate Bridge.

For the top level entity:

Open the .vhdl or .v file generated by the SOPC, find for your system, see the code generated and set according to it.