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ATmega169P датащи(PDF) 341 Page - ATMEL Corporation

номер детали ATmega169P
подробное описание детали  8-bit Microcontroller with 16K Bytes In-System Programmable Flash
PDF  393 Pages
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производитель  ATMEL [ATMEL Corporation]
домашняя страница  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATmega169P датащи(HTML) 341 Page - ATMEL Corporation

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341
8018N–AVR–08/09
ATmega169P
Figure 29-10. Idle Supply Current vs. V
CC (32 kHz Watch Crystal)
29.3
Supply Current of I/O modules
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 ”Power Reduction Register” on page 42 for
details.
IDLE SUPPLY CURRENT vs. VCC
32 kHz WATCH CRYSTAL
25 ˚C
0
2
4
6
8
10
12
14
1.5
2
2.5
3
3.5
4
4.5
5
5.5
VCC (V)
Table 29-1.
Additional Current Consumption for the different I/O modules (absolute values)
PRR bit
Typical numbers
VCC = 2V, F = 1MHz
VCC = 3V, F = 4MHz
VCC = 5V, F = 8MHz
PRADC
18 µA
116 µA
495 µA
PRUSART0
11µA
79 µA
313 µA
PRSPI
10 µA
72 µA
283 µA
PRTIM1
19 µA
117 µA
481 µA
PRLCD
4 µA
32 µA
105 µA
Table 29-2.
Additional Current Consumption (percentage) in Active and Idle mode
PRR bit
Additional Current consumption
compared to Active with external clock
(see Figure 29-1 and Figure 29-2)
Additional Current consumption
compared to Idle with external clock
(see Figure 29-6 and Figure 29-7)
PRADC
5.6%
18.7%
PRUSART0
3.7%
12.4%



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