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Altera_Forum's avatar
Altera_Forum
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21 years ago

Hello_led can not run on Nios II/s core.

Hi, I use the Microtronix Cyclone Dev.Board, and follow the Altera Hardware Design and Software Design. When I make the LowCost HardWare Design(use the Nios II/e Core and epcs_controller ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

Hello,

I have solved the problem by changing the SDRAM Controller Core.

I think it is the bug of SDRAM Controller Core(the new_sdram_controller provided by nios2 kit ). I use the SDRAM Controller Core of SOPC Builder 2.7 Provided instead. The program can run and led is lightened.

Why?

But the new_sdram_controller_core can used by Nios II/e Core and all test programs can run with Nios II/e Core normally.

When use Nios II/s Core, I must use the old sdram_controller_core instead.

My Dev board is Microtronix Cyclone Development Board.

I have read the .ptf file of each controller core, but I do not know exactly which part can disable my system.

Can tell me the reason?

Thank you.