Eurotech Appliances PXA255 CPU, ±3mA, ±3mA, ±3mA, ±3mA, Audio, Total, Total, power, power, ±15mW, ±15mW, Serial, saving, saving, current, current, Power savings, Performance mode

VIPER Technical Manual Power and power management

Power savings

Use the table below to estimate power savings that can be achieved by shutting down features of the VIPER, or putting the VIPER to sleep.

						Power saving mode		Performance mode
CPU	Ethernet	USB	Audio	Serial	Current	Total	Total	Current	Total	Total
		VL	VL		saving	current	power	saving	current	power
					±3mA	±3mA	±15mW	±3mA	±3mA	±15mW
-	-	-	-	-	0mA	325mA	1625mW	0mA	334mA	1670mW
-	-	-	-	Sleep	25mA	300mA	1500mW	25mA	309mA	1545mW
-	-	-	Sleep	-	38mA	287mA	1435mW	38mA	296mA	1480mW
-	-	-	Sleep	Sleep	64mA	261mA	1305mW	64mA	270mA	1350mW
-	-	Sleep	-	-	37mA	288mA	1440mW	37mA	297mA	1485mW
-	-	Sleep	-	Sleep	62mA	263mA	1315mW	62mA	272mA	1360mW
-	-	Sleep	Sleep	-	77mA	248mA	1240mW	77mA	257mA	1285mW
-	-	Sleep	Sleep	Sleep	100mA	225mA	1125mW	100mA	234mA	1170mW
-	Sleep	-	-	-	108mA	217mA	1085mW	108mA	226mA	1130mW
-	Sleep	-	-	Sleep	131mA	194mA	970mW	131mA	203mA	1015mW
-	Sleep	-	Sleep	-	146mA	179mA	895mW	146mA	188mA	940mW
-	Sleep	-	Sleep	Sleep	172mA	155mA	775mW	172mA	162mA	810mW
-	Sleep	Sleep	-	-	143mA	182mA	910mW	143mA	191mA	955mW
-	Sleep	Sleep	-	Sleep	167mA	158mA	790mW	167mA	167mA	835mW
-	Sleep	Sleep	Sleep	-	181mA	144mA	720mW	181mA	153mA	765mW
-	Sleep	Sleep	Sleep	Sleep	205mA	120mA	600mW	205mA	129mA	645mW
Sleep	Sleep	Sleep	Sleep	Sleep	276mA	49mA	245mW	285mA	49mA	245mW

© 2007 Eurotech Ltd Issue E 77