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Blackfin AMC Address Space

Question asked by tamirci on Apr 24, 2012



EBIU address bits are ADRR1 to ADDR 19. So these pins can address upto 512Kb (2exp19) of memory. But in hardware refenrance manual states AMC memory  blocks as 1MB x 4 = 4 MB.


I wonder how 1MB address space is being mapped by 19 address pins. Do you have any explanation?


Best regards,