<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> i'm really curious what the thought process was... MMD extended registers existed alrerady, there was no reason to roll their own indirect accessing scheme.</p><p>except maybe performance, if you bank then accessing any register in the range is faster than making repeated address + data accesses? but what kind of system gets bottlenecked on mdio bandwidth</p>