ZEUS Technical Manual

Power and power management

 

 

The table below gives examples of power drawn by specific external peripheral devices:

DevicePart numberConditionPower (mW)

64MB Sandisk

SDCFJ-64

Sleep

1

 

CompactFlash

 

Writing consistently

220

 

 

 

 

Socket WiFi 802.11b

WL6200-480

Idle (listening)

50

 

SDIO

 

Transmitting

925

 

 

 

 

64MB FlashDio USB

FDU100A

Inserted (no access)

375

 

memory stick

 

Reading consistently

605

 

 

 

 

NEC 5.5" LCD +

NL3224BC35-20

LCD and backlight on

3250

 

Inverter

+ 55PW131

LCD on and backlight off

825

 

 

 

 

GSM/GPRS module

Siemens MC39i

Data mode GPRS 900

2100

 

 

 

Power down mode

0.18

 

GPS module

Fastrax iTRAX03/08

Continuous mode

100

 

 

 

Sleep mode

0.06

 

ZigBee module

Eurotech ZM1

Rx

25

 

 

 

Power down

0.1

 

VGA CMOS sensor

Dialog DA3520

Active

50

 

module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

When PXA270 is placed in deep-sleep mode, the power to all the peripherals (on-board and external) is switched off by SYS_EN signal of the PXA270.

© 2007 Eurotech Ltd Issue D

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