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Altera_Forum's avatar
Altera_Forum
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15 years ago

Problem SDRAM....Burst Terminate!!!

Hi all, Ok, I found out that SDRAM keeps writing forever and never stop, when I call IOWR_32DIRECT(...) in SignalTap. When I look at Dev Board Cyclone II and it does show Write and Bur...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

also, in software, you can do something like this to test your memory.

alt_u32* sdram = (alt_u32*) SDRAM_BASE;

where SDRAM_BASE is the base address of your SDRAM controller. You can find that in your system.h file.

for(i=0;i<10000;i++)

{

sdram[i] = i;

}

then in the debugger, you can load sdram variable as an array and verify the result of your for loop.