Eurotech Appliances PXA270 Peripheral devices power management, 4.5W, Total, 102mW, On-board, peripheral, consumption, Maximum power, Low power mode, Operating mode, Minimum consumption

ZEUS Technical Manual Power and power management

Peripheral devices power management

The following table gives the estimated power consumption of on-board peripherals:

On-board	Maximum power	Low power mode
peripheral	consumption	Minimum consumption	Operating mode
Quad UART	66mW (20mA@3.3V)	10mW (3mA@3.3V)	Idle
Ethernet 2x	607mW (2x92mA@3.3V)	46mW (2x7mA@3.3V)	Power-down
DM9000A
CAN MCP2515	50mW (10mA@5V)	0.025mW (5uA@5V)	Sleep
CAN transceiver	375mW (75mA@5V)	1.8mW (200uA@5V)	Standby
AC’97 Codec	80mW	0.001mW	OFF
WM9712L
Boomer Amp	30mW (6mA@5V)	0.025mW (5uA@5V)	Shut-down
LM4880
SDRAM x4	2640mW (4x200mA@3.3V) 26.4mW (4x2mA@3.3V)		Power-down
Flash	165mW (50mA@3.3V)	0.015mW (5uA@3.3V)	Standby
SRAM	72mW (22mA@3.3V)	0.001mW (3uA@3.3V)	Standby
RS485	6.6mW (2mA@3.3V)	5mW (1.5mA@3.3V)	Disable
CPLD x2	66mW (2x10mA@3.3V)	20mW (2x3mA@3.3V)	Idle
LVDS transceiver	165mW (50mA@3.3V)	0.17mW (55uA@3V)	Power-down
I/O expander x2	1.6mW (2x120uA@3.3V)	0.02mW (2x3uA@3.3V)	Idle
RTC	0.4mW (120uA@3.3V)	0.012mW (4uA@3.3V)	Idle
Temperature	3.3mW (1mA@3.3V)	0.010mW (3.5uA@3.3V)	Shut-down
sensor
Config PROM	3.3mW (1mA@3.3V)	0.003mW (1uA@3.3V)	Standby
Total	4.5W	102mW

External peripheral devices include CF+ card (1.5W max), two USB devices (5W max), add-on PC/104 cards (5W max), wireless modem (8.5W peak), LCD and Inverter (4W max), GPS module (50mW max), ZigBee module (30mW max), SDIO (350mW max) and Quick Capture camera (50mW max).

© 2007 Eurotech Ltd Issue D 68