Datasheet

Figure 34-10. ATmega328PB: Idle Supply Current vs. V
CC
(Internal RC Oscillator, 8 MHz)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Vcc [V]
Temperature[°C]
-40
25
85
105
34.3 ATmega328PB 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.
Table 34-1. ATmega328PB: Additional Current Consumption for the Different I/O Modules
(Absolute Values)
PRR bit Typical Numbers
V
CC
= 2V, F = 1 MHz V
CC
= 3V, F = 4 MHz V
CC
= 5V, F = 8 MHz
PRUSART1 4.8 μA 28.7 μA 107.8 μA
PRUSART0 4.7 μA 28.1 μA 110.9 μA
PRTWI 7.2 μA 44.2 μA 169.2 μA
PRTIM2 5.7 μA 38.6 μA 140 μA
PRTIM1 3.8 μA 22.9 μA 88.8 μA
PRTIM0 1.9 μA 11.6 μA 45.2 μA
PRSPI 5.7 μA 38.3 μA 159.8 μA
PRADC 6.5 μA 44.3 μA 165.11 μA
PRTIM4 4.1 μA 28.2 μA 95.5 μA
PRTIM3 6.7 μA 47.1 μA 164.1 μA
PRSPI1 5.8 μA 40 μA 157.9 μA
PRPTC 4.7 μA 27.8 μA 108.2 μA
ATmega328PB
Typical Characteristics
© 2018 Microchip Technology Inc.
Datasheet Complete
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