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Altera_Forum's avatar
Altera_Forum
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15 years ago

I need some help of creating shared ddr sdram memory

Hi, everyone:), My system is like this : Using NEEK, I created 2 processors both running in the ddr sdram. Processor1's reset vector offset is 0x100 and exception vector offset is 0x120. Proce...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

1. Thank you for 'Daixiwen' 's answer. Right. If I remove the data cache, it works well.

2.For 'dsl',I am always feel confused about the difference between tightly coupled memory and the normal on-chip ram. Tighly coupled memory need to be connected to the tight coupled master port of the cpu while the normal on-chip ram can be connected directly to normal master port.Right ? Can I use the normal on-chip ram as the shared memory in my design?

Thanks