332
7647H–AVR–03/12
Atmel ATmega16/32/64/M1/C1
27.2.1 Using the Power Reduction Register
The tables and formulas below can be used to calculate the additional current consumption for
the different I/O modules in Idle mode. The enabling or disabling of the I/O modules are con-
trolled by the Power Reduction Register. See “Power Reduction Register” on page 42 for details.
27.3 Power-Down Supply Current
Figure 27-9. Power-Down Supply Current versus V
CC
(Watchdog Timer Disabled)
Table 27-1. Additional Current Consumption (Percentage) in Active and Idle Mode
Typical I
CC
(µA)
Percent of Added Consumption
V
CC
= 5.0V, 16 Mhz V
CC
= 3.0V, 8 Mhz
PRCAN 13 12
PRPSC 8 7.5
PRTIM1 2 2
PRTIM0 1 1
PRSPI 2 2
PRLIN 5.5 5
PRADC 5 4.5
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