Close

Pin layout

A project log for YGMII

YG's Media Independent Interface, in case your miniMAC is on a different chip than your miniPHY

yann-guidon-ygdesYann Guidon / YGDES 03/29/2026 at 19:330 Comments

The 7 wires should be organised and ordered to reduce EMI and crosstalk.

I expect the wires to lie in parallel on a PCB, usually over a ground plane and/or interleaved with parallel ground traces

D0 g D1 D2 g D3 D4 g A B

Pins can be renumbered, such as

A B g D0 D1 g D2 D3 g D4

and the inversion bit would be D4. But this shows the influence of data transition statistics over the circuit's geometry, and one data bit is not "like the others" and would be placed apart. 

Discussions