at91sam9g20-cu ATMEL Corporation, at91sam9g20-cu Datasheet - Page 761

• Manufacturer Part Number: at91sam9g20-cu
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

41.3
41.3.1
6384B–ATARM–15-Dec-08
Power Consumption
Power Consumption versus Modes
The values in
sumption with operating conditions as follows:
Figure 41-1. Measures Schematics
These figures represent the power consumption estimated on the power supplies.
Table 41-3.
Mode
Active
Idle
Ultra low
power
Backup
• Typical power consumption of PLLs, Slow Clock and Main Oscillator.
• Power consumption of power supply in four different modes: Active, Idle, Ultra Low-power
• Power consumption by peripheral: calculated as the difference in current measurement after
• V
• V
• V
• T
• There is no consumption on the I/Os of the device
and Backup.
having enabled then disabled the corresponding clock.
A
DDIOM
DDPLL
DDCORE
= 25° C
= 1.0V
= V
= V
DDIOP
Table 41-3
Power Consumption for Different Modes
Conditions
ARM Core clock is 400 MHz.
MCK is 133 MHz.
All peripheral clocks de-activated.
onto AMP2
Idle state, waiting an interrupt.
All peripheral clocks de-activated.
onto AMP2
ARM Core clock is 500 Hz.
All peripheral clocks de-activated.
onto AMP2
Device only V
onto AMP1
DDBU
= 3.3V
= 1.0V
and
DDBU
Table 41-4 on page 762
powered
AMP1
AMP2
AT91SAM9G20 Preliminary
VDDCORE
VDDBU
are estimated values of the power con-
Consumption
50
20
8
9
Unit
mA
mA
mA
µA
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