[En-Nut-Discussion] RFC: Make ethernet phy mode RMII the default

Harald Kipp harald.kipp at egnite.de
Thu Jul 23 12:11:51 CEST 2015

Hi Ole,

On 23.07.2015 01:59, Ole Reinhardt wrote:
> in most designs, we normaly use RMII mode anyway, because it needs less
> connections.

Anyway, MII is not completely useless. The disadvantage of RMII is the
doubled clock speed. In the worst case you need to add a 50MHz
oscillator, which is typically more expensive than a few additional wires.

But in general yes, today RMII is default.



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