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C6678 can not linkup with BCM56334 through SGMII

Jason Gao
Intellectual 720 points

Hi sir,

We have a design that C6678 is connected to BCM56334 through SGMII interface.

BCM56334 is an ethernet Lan Switch.  The SGMII interface cannot link up with BCM56334, however.

I see that in document SPRUGV9A that it describes the SGMII Mode of register MR_ADV_ABILITY.

I can not see any description of 1000BASE-X configuration.

I am not sure what is the reson of issure of not linking up? Should C6678 serdes be configured as 1000BASE-X mode?

 

Thank you very much.