Broadcom BCM5722 Programmer's Manual page 535

Programmer's Guide BCM5722
10/15/07
SerDes Auto Power Down mode
Bit 4 of the Autodetect Medium register enables the power down of SerDes when the filtered signal detect is inactive.
Power Down Inactive Interface
Bit 3 of the Autodetect Medium register enables the power down of SerDes when copper is selected, and power down of
copper when SerDes is selected.
Autodetect Media Default
Bit 2 of the Autodetect Medium register enables the selection of SerDes as default medium when no medium is active.
Clearing this bit sets copper as the default medium.
Autodetect Media Priority
Bit 1 of the Autodetect Medium register enables the selection of SerDes priority when both media are active. Clearing this
bit sets copper as the default medium selection.
Autodetect Media Enable
Bit 0 of the Autodetect Medium register enables the autodetect media function.
Bro adco m Co rp or atio n
Document 5722-PG101-R Transceiver Registers Page 476