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Altera_Forum
Honored Contributor
Honored ContributorI have some questions!
Hi,I am now useing the triple-speed ethernet Megacore,I have a questions about the control interface,the IP core have 8-bit address,but the mac interface register Map have 12-bit address offset,so ho...
Altera_ForumHonored Contributor
Honored Contributor --- Quote Start --- the mac interface register Map have 12-bit address offset --- Quote End --- They are actually spanning a 10-bit range. The IP handbook clarifies: --- Quote Start --- 8-bit address signal, which provides access to 256 32-bit registers --- Quote End --- Obviously the address map shows byte addresses, all addresses are multiples of four. So byte address[1..0] are implicitely zero.
