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Altera_Forum's avatar
Altera_Forum
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21 years ago

Missing Memory

Hi: I've got a Cyclone with NIOS II Quartus 4.1 Attached are 2 SDRAM chips that work great. I nca load the FPGA and then with the IDE load code and step through it. RS232, TImer,...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

The CFI flash device needs to be connected to the CPU through an Avalon Tri-State Bridge.

Add an Avalon Tri-State Bridge to your system, connect the avalon_slave port to the cpu and connect the tristate_master port to your flash.

-edit-

On a second look it seems like you may be doing this. If so, you can ignore me http://forum.niosforum.com/work2/style_emoticons/<#EMO_DIR#>/smile.gif

Dennis Scott

Microtronix Datacom