> A complete description might be something like: > > mac { > pcb-traces { > mac-to-phy-trace-delay = <X>; // Nanoseconds > phy-to-mac-trace-delay = <Y>; // Nanoseconds > }; > In some designs, the "mac-to-phy-trace" and the "phy-to-mac-trace" are > treated as a part of the MAC block for example. PCB traces cannot be part of the MAC block, since they are copper on the PCB. In fact, such a consideration just adds to the confusion, because how do you know which designs do and which don't include the MAC block? Andrew