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address space misunderstanding

Hi all.

I have some misunderstanding with C5515 CS0 external memory address space.

According to DSP system user guide system memory section CSO starts from address 0x50000.

But according to sdram examples from ccs instalation directory external memory starts from address 0x28000.

Also in DMA user guide table 1 on page 11 column CPU start word address points to 0x28000 addres

 

Thanks!

 

max