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Altera_Forum's avatar
Altera_Forum
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11 years ago

components base address and offsets

I know how to get the base address of each component in a NIOS II system "Qsys" or the "system.h" file. What I dont understand is what is the offset and how to get it. for example componen...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

A memory mapped interface has an address bus, and one or two data buses (read and/or write).

Your component has a 2bit port called 'Address' which I presume is the address line for your Avalon-MM slave.

If you are not using the address line, just assume address is 0, so offset will always be 0.