> On Oct 9, 2015, at 9:38 PM, John Wilson <wil...@dbit.com> wrote: > > ... it's > supposed to be a Q-bus bridge that connects over Ethernet), but I wanted to > still be able to do something fun in the very likely case that the Ethernet > port doesn't work (no idea if my PCB layout is kosher for something as fast > as the gigabit PHY's bus) or has uselessly high latency, ...
Neat. Did you check the PHY latency for GigE? I know it's insanely large for 10G-BaseT, but I don't remember if GigE is still reasonable. paul