ATmega325PA Atmel Corporation, ATmega325PA Datasheet - Page 337
ATmega325PA
Manufacturer Part Number
ATmega325PA
Description
Manufacturer
Atmel Corporation
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29.1.3
8285D–AVR–06/11
ATmega165A: Supply Current of I/O modules
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
Figure 29-10. ATmega165A: 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
details.
Table 29-1.
Table 29-2.
PRR bit
PRADC
PRUSART0
PRSPI
PRTIM1
PRR bit
PRADC
PRUSART0
PRSPI
PRTIM1
9
8
7
6
5
4
3
2
1
0
1.5
ATmega165A Additional Current Consumption for the different I/O modules
(absolute values)
ATmega165A: Additional Current Consumption (percentage) in Active and Idle
mode
Additional Current consumption
compared to Active with external clock
(see
Typical numbers
7 µA
6.9 µA
6.6 µA
7 µA
V
Figure 29-1
2
CC
= 2V, F = 1MHz
2.5
and
3.2%
3.4%
3.3%
3.4%
Figure
3
29-2)
V
44 µA
43.5 µA
47 µA
47 µA
CC
3.5
V
(V)
CC
= 3V, F = 4MHz
”Power Reduction Register” on page 41
CC
4
Additional Current consumption
compared to Idle with external clock
(see
(32kHz Watch Crystal)
Figure 29-6
4.5
195 µA
210 µA
205 µA
206 µA
5
13.1%
13.0%
13.2%
12.7%
and
V
CC
Figure
= 5V, F = 8MHz
5.5
-45 °C
85 °C
25 °C
29-7)
337
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