Eurotech Appliances PXA255 Computer Hardware User Manual


 
VIPER Technical Manual Power and power management
© 2007 Eurotech Ltd Issue E 77
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
saving
±3mA
Total
current
±3mA
Total
power
±15mW
Current
saving
±3mA
Total
current
±3mA
Total
power
±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
VL
VL