A000047 Arduino, A000047 Datasheet - Page 390
A000047
Manufacturer Part Number
A000047
Description
MCU, MPU & DSP Development Tools Mega2560
Manufacturer
Arduino
Series
-r
Type
MCUr
Specifications of A000047
Processor To Be Evaluated
ATmega2560
Interface Type
USB, I2C, SPI
Dimensions
4 in x 2.1 in
Operating Supply Voltage
5 V
Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega2560
- Current page: 390 of 444
- Download datasheet (10Mb)
31.2.1.1
2549M–AVR–09/10
Example 1
Table 31-2.
It is possible to calculate the typical current consumption based on the numbers from
on page 389
Calculate the expected current consumption in idle mode with USART0, TIMER1, and TWI
enabled at V
add 17% for the USART0, 24% for the TWI, and 10% for the TIMER1 module. Reading from
ure 31-6 on page
= 1 MHz. The total current consumption in idle mode with USART0, TIMER1, and TWI enabled,
gives:
I
CC
PRR bit
PRUSART3
PRUSART2
PRUSART1
PRUSART0
PRTWI
PRTIM5
PRTIM4
PRTIM3
PRTIM2
PRTIM1
PRTIM0
PRSPI
PRADC
total
≈
0.15mA
CC
for other V
Additional Current Consumption (percentage) in Active and Idle mode
•
= 2.0V and F = 1 MHz. From
Additional Current consumption
compared to Active with external clock
3.0%
3.0%
3.0%
3.0%
4.4%
1.8%
1.8%
1.8%
4.3%
1.8%
1.5%
3.3%
4.5%
(
387, we find that the idle current consumption is ~0.15 mA at V
1
+
0.17
CC
+
and frequency settings than listed in
0.24
+
ATmega640/1280/1281/2560/2561
0.10
)
≈
0.227mA
Table
31-2, third column, we see that we need to
Additional Current consumption
compared to Idle with external clock
17%
17%
17%
17%
24%
10%
10%
10%
23%
10%
8.0%
18%
24%
Table
31-2.
CC
= 2.0V and F
Table 31-1
Fig-
390
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