User manual

ZEUS user manual
Issue E
60
Peripheral devices power management
The following table gives the estimated power consumption of on-board peripherals:
Low power mode
On-board
peripheral
Maximum power
consumption Minimum consumption Operating mode
Quad UART 66mW (20mA at 3.3V) 10mW (3mA at 3.3V) Idle
Ethernet 2x
DM9000A
607mW (2x92mA at 3.3V) 46mW (2x7mA at
3.3V)
Power-down
CAN MCP2515 50mW (10mA at 5V) 0.025mW (5uA at
5V)
Sleep
CAN transceiver 375mW (75mA at 5V) 1.8mW (200uA at
5V)
Standby
AC’97 Codec
WM9712L
80mW 0.001mW OFF
Boomer Amp
LM4880
30mW (6mA at 5V) 0.025mW (5uA at
5V)
Shut-down
SDRAM x4 2640mW (4x200mA at
3.3V)
26.4mW (4x2mA at
3.3V)
Power-down
Flash 165mW (50mA at 3.3V) 0.015mW (5uA at
3.3V)
Standby
SRAM 72mW (22mA at 3.3V) 0.001mW (3uA at
3.3V)
Standby
RS485 6.6mW (2mA at 3.3V) 5mW (1.5mA at
3.3V)
Disable
CPLD x2 66mW (2x10mA at 3.3V) 20mW (2x3mA at
3.3V)
Idle
LVDS transceiver 165mW (50mA at 3.3V) 0.17mW (55uA at
3V)
Power-down
I/O expander x2 1.6mW (2x120uA at 3.3V) 0.02mW (2x3uA at
3.3V)
Idle
RTC 0.4mW (120uA at 3.3V) 0.012mW (4uA at
3.3V)
Idle
Temperature
sensor
3.3mW (1mA at 3.3V) 0.010mW (3.5uA at
3.3V)
Shut-down
Config PROM 3.3mW (1mA at 3.3V) 0.003mW (1uA at
3.3V)
Standby
Total 4.5W 102mW