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Altera_Forum
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11 years ago

DDR3 read/write using NIOS

Hi, I want to write/read DDR3 SDRAM using NIOS II. I have prepared a Qsys system that contains a DDR3 controller with UniPHY, Nios II/s processor and JTAG UART. Is that sufficient? Do I need to...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Hi,

Yes it is possible to test DDR running your application in DDR but only if you DDR is working. You might want to consider instantiating a large block of internal dual port ram in the design and then changing the bsp to run the application from the internal memory. This will also allow you to check that you c code is correct before testing DDR. The NIOS has a DDR3 template for testing DDR and Flash memory that has worked for me.