ATMEGA644PV ATMEL [ATMEL Corporation], ATMEGA644PV Datasheet - Page 341
ATMEGA644PV
Manufacturer Part Number
ATMEGA644PV
Description
8-bit Microcontroller with 16/32/64K Bytes In-System Programmable Flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.ATMEGA644PV.pdf
(408 pages)
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27.1.3
8011D–AVR–02/07
Supply Current of IO modules
Figure 27-10. Idle Supply Current vs. V
The tables and formulas below can be used to calculate the additional current consumption 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
page 48
Table 27-1.
PRR bit
PRUSART1
PRUSART0
PRTWI
PRTIM2
PRTIM1
PRTIM0
PRADC
PRSPI
0,12
0,08
0,06
0,04
0,02
0,1
0
for details.
1,5
Additional Current Consumption for the different I/O modules (absolute values)
Typical numbers
6.0 uA
7.9 uA
16.9 uA
14.4 uA
2
9.0 uA
5.1uA
18.1 uA
11.1 uA
V
CC
= 2V, F = 1MHz
2,5
INTERNAL RC OSCILLATOR, 128 kHz
IDLE SUPPLY CURRENT vs. V
3
CC
V
38.5 uA
50.3 uA
95.8 uA
57.3 uA
33.3 uA
86.3 uA
70.5 uA
CC
(Internal RC Oscillator, 128 kHz).
116.2 uA
3,5
V
(V)
CC
= 3V, F = 4MHz
ATmega164P/324P/644P
4
”PRR – Power Reduction Register” on
CC
4,5
150.0 uA
197.0 uA
489.3 uA
393.2 uA
234.8 uA
132.5 uA
335.3 uA
285.0 uA
V
5
CC
= 5V, F = 8MHz
5,5
-40 ˚C
25 ˚C
85 ˚C
341
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