a question about the ethernet

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a question about the ethernet

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everybody,i add a lan91c111 interface in the sopc builder, there are aslo flash in the project, they both connect to the tri_state bridge .

before adding the lan91c111,the tri_state bus[15..0],is 16bits;

but after add the lan91c111 the tri_state bus becomes tri_state bus[31..0],it aslo have an additional signal tri_state bus_byteenablen[3..0] in the symble,the lan91c111 is conform the MII protcol!

it confused me

could anyone help!?

thanks

with my regard!

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