ATMEGA2561V ATMEL [ATMEL Corporation], ATMEGA2561V Datasheet - Page 395
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ATMEGA2561V
Manufacturer Part Number
ATMEGA2561V
Description
8-bit Microcontroller with 64K/128K/256K Bytes In-System Programmable Flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.ATMEGA2561V.pdf
(449 pages)
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Supply Current of IO
modules
2549K–AVR–01/07
Figure 176. Idle Supply Current vs. V
The tables and formulas below can be used to calculate the additional current consump-
tion for the different I/O modules in Active and Idle mode. The enabling or disabling of
the I/O modules are controlled by the Power Reduction Register. See “When the SM2:0
bits are 111 and an external crystal/resonator clock option is selected, the SLEEP
instruction makes the MCU enter Extended Standby mode. This mode is identical to
Power-save mode with the exception that the Oscillator is kept running. From Extended
Standby mode, the device wakes up in six clock cycles.Power Reduction Register” on
page 52 for details.
Table 181.
Additional Current Consumption for the different I/O modules (absolute values)
PRR bit
PRUSART3
PRUSART2
PRUSART1
PRUSART0
PRTWI
PRTIM5
PRTIM4
PRTIM3
PRTIM2
PRTIM1
0,25
0,15
0,05
0,3
0,2
0,1
0
1,5
8.0 uA
8.0 uA
8.0 uA
8.0 uA
12 uA
6.0 uA
6.0 uA
6.0 uA
11 uA
6.0 uA
2
V
CC
= 2V, F = 1MHz
ATmega640/1280/1281/2560/2561
2,5
IDLE SUPPLY CURRENT vs. V
INTERNAL RC OSCILLATOR, 128 kHz
3
CC
(Internal RC Oscillator, 128 KHz)I
V
51 uA
51 uA
51 uA
51 uA
75 uA
39 uA
39 uA
39 uA
72 uA
39 uA
CC
3,5
V
(V)
Typical numbers
CC
= 3V, F = 4MHz
4
CC
4,5
220 uA
220 uA
220 uA
220 uA
315 uA
150 uA
150 uA
150 uA
300 uA
150 uA
V
5
CC
= 5V, F = 8MHz
5,5
-40˚C
25˚C
85˚C
395
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