Eurotech Appliances ZEUS PXA270 User Manual

Page 69

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ZEUS Technical Manual

Power and power management

© 2007 Eurotech Ltd Issue D

69

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

devices:

Device

Part number

Condition

Power (mW)

Sleep 1

64MB Sandisk

CompactFlash

SDCFJ-64

Writing consistently

220

Idle (listening)

50

Socket WiFi 802.11b

SDIO

WL6200-480

Transmitting 925

Inserted (no access)

375

64MB FlashDio USB

memory stick

FDU100A

Reading consistently

605

LCD and backlight on

3250

NEC 5.5" LCD +

Inverter

NL3224BC35-20

+ 55PW131

LCD on and backlight off 825

Data mode GPRS 900

2100

GSM/GPRS module

Siemens MC39i

Power down mode

0.18

Continuous mode

100

GPS module

Fastrax iTRAX03/08

Sleep mode

0.06

Rx 25

ZigBee module

Eurotech ZM1

Power down

0.1

VGA CMOS sensor

module

Dialog DA3520

Active

50

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.

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