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Altera_Forum
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15 years ago

writing/reading sram with cyclone3 in vhdl

Hey, i'm trying to write and read to/from the sram with a cyclone3 fpga on a NEEK. I wrote a little code to check if it's working, but it doesn't and i tried very much around but to no avail. The ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Because you don't show all SSRAM controls signals, I can't say, if there are more errors. But nCS and nWE respectively nOE have to be activated simultaneously, but you do sequentially.

P.S.: Sorry, I see that the control signal is nADV, which has to be activated in front of read and write. Can youe tell about the state of the other control signals?