AT90PWM2 datasheet(316/365 Pages) ATMEL

316 / 365 page

316

4317K–AVR–03/2013

AT90PWM2/3/2B/3B

Figure 27-8. Idle Supply Current vs. V

CC (Internal PLL Oscillator, 16 MHz)

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 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 43 for

details.

IDLE SUPPLY CURRENT vs. VCC

INTERNAL PLL OSCILLATOR, 16 MHz

105 °C

85 °C

25 °C

-40 °C

22,533,544,555,5

CC (V )

Table 27-1.

Additional Current Consumption for the different I/O modules (absolute values)

PRR bit

Typical numbers

VCC = 3V, F = 8MHz

VCC = 5V, F = 16MHz

PRPSC2

350 uA

1.3 mA

PRPSC1

350 uA

1.3 mA

PRPSC0

350 uA

1.3 mA

PRTIM1

300 uA

1.15 mA

PRTIM0

200 uA

0.75 mA

PRSPI

250 uA

0.9 mA

PRUSART

550 uA

2 mA

PRADC

350 uA

1.3 mA

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