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Altera_Forum's avatar
Altera_Forum
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14 years ago

Unable to use Nios II/e?

I've been trying to instantiate a Nios II/e core with no success. I am using external SRAM, one 16 bit PIO, and a 50Mhz clock. I am able to synthesize the design, generate the sof file, and con...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Thanks for your response. I have a few clarifications/questions, though:

Here are things I already checked:

  • The design compiled successfully

  • I used the correct sof file

  • The clock pin is assigned correctly and is working (I added a 1 Hz LED "blinker" running off that clock just to be sure)

  • Switching to the Nios II/s does work.

There is one thing I did which I now suspect might be a "stupid mistake" -- I tied the reset signal to logic level high (because I did not have an incoming reset signal). Is this correct? Or should I at least tie this to a push button or something?

In any case, though, it's only the /e version which doesn't work...