Power Management of Davicom ICs

Power Reduced Mode: PHY Reg. 10H.4

Power Down Mode: PHY Reg. 00H.11 or MAC Reg. 1FH.0

Stop Internal System Clock: MAC Reg. 50H.0

 

	System Clock	MAC	PHY
			TX	RX
Power Reduced Mode (PHY Reg. 16.4)	On	On	Off	On
Power Down Mode (PHY Reg. 0.11/MAC Reg. 1FH.0)	On	On	Off	Off
System Clock Off (MAC Reg. 50H.0)	Off	Off	On	On
Power Down Mode (system clock off)	Off	Off	Off	Off