ATMEGA48V_11 ATMEL [ATMEL Corporation], ATMEGA48V_11 Datasheet - Page 321

• Manufacturer Part Number: ATMEGA48V_11
• Description: 8-bit Atmel Microcontroller with 4/8/16K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

30.3
2545T–AVR–05/11
Supply current of I/O modules
Figure 30-12. 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 30-1.
Table 30-2.
PRR bit
PRUSART0
PRTWI
PRTIM2
PRTIM1
PRTIM0
PRSPI
PRADC
PRR bit
PRUSART0
PRTWI
PRTIM2
30
25
20
15
10
5
0
1.5
Additional current consumption for the different I/O modules (absolute values).
Additional current consumption (percentage) in active and idle mode.
Additional current consumption
compared to active with external clock
(see
Figure 30-2 on page
4.8%
3.3%
4.7%
2
Figure 30-1 on page 315
V
CC
= 2V, F = 1MHz
2.5
8.0µA
5.0µA
4.0µA
12µA
11µA
15µA
12µA
3
316)
CC
V
(32kHz external oscillator).
CC
3.5
and
(V)
V
Typical numbers
CC
4
= 3V, F = 4MHz
“Power reduction register” on page 41
51µA
75µA
72µA
32µA
24µA
95µA
75µA
Additional current consumption
compared to Idle with external clock
(see
Figure 30-8 on page
18%
26%
25%
4.5
Figure 30-7 on page 318
ATmega48/88/168
5
V
CC
5.5
319)
25°C
= 5V, F = 8MHz
220µA
315µA
300µA
130µA
100µA
400µA
315µA
and
321
for