Writing to SRAM

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Does anyone have a tutorial that shows me how to write to Memory using SOPC?

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This one shows you how to use on-chip SRAM.

http://www.alterawiki.com/wiki/using_the_usb-blaster_as_an_sopc/qsys_avalon-mm_master_tutorial

The PDF has an appendix with links to Altera's online resources.

For external memory interfaces you can read:

http://www.altera.com/literature/lit-external-memory-interface.jsp

For external SRAM, look at the tri-state bridge component.

Cheers,

Dave