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Altera_Forum
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19 years ago

Problem with FPGA and SRAM

I have a problem with my FPGA board.MY board mainly contains EP1C6T144I7N(FPGA), IS61LV12816L (external sram ) and EPCS16. Application program can run in SRAM successfully online .If I downlo...
Altera_Forum's avatar
Altera_Forum
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17 years ago

A guess is that you may not be initializing your initialized variables after power on. If things work correctly whenever you download, but not when you boot out of flash, there is an application note on Altera's Nios II literature page that may help you which describes boot scenarios, called "AN 458: Alteranative Nios II Boot Methods", at http://www.altera.com/literature/an/an458.pdf