at90pwm81-16se ATMEL Corporation, at90pwm81-16se Datasheet - Page 278
at90pwm81-16se
Manufacturer Part Number
at90pwm81-16se
Description
8-bit Avr Microcontroller With 8k Bytes In- System Programmable Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT90PWM81-16SE.pdf
(323 pages)
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24.1
278
Active Supply Current
AT90PWM81
tion compared to I
Register. See
The power consumption in Power-down mode is independent of clock selection.
The current consumption is a function of several factors such as: operating voltage, operating frequency,
loading of I/O pins, switching rate of I/O pins, code executed and ambient temperature. The dominating
factors are operating voltage and frequency.
The current drawn from capacitive loaded pins may be estimated (for one pin) as C
load capacitance, V
The parts are characterized at frequencies higher than test limits. Parts are not guaranteed to function
properly at frequencies higher than the ordering code indicates.
The difference between current consumption in Power-down mode with Watchdog Timer enabled and
Power-down mode with Watchdog Timer disabled represents the differential current drawn by the Watch-
dog Timer.
Figure 24-1.
1.2
0.8
0.6
0.4
0.2
1
0
0.1
“Power Reduction Register” on page 37
Active Supply Current vs. Frequency (0.1 - 1.0 MHz)
0.2
CC
CC
= operating voltage and f = average switching frequency of I/O pin.
Active and I
0.3
ACTIVE SUPPLY CURRENT vs. LOW FREQUENCY
CC
0.4
Idle for every I/O module controlled by the Power Reduction
Frequency [MHz]
0.5
for details.
0.6
0.7
0.8
L
*
0.9
V
CC
7734M–AVR–03/10
*f where C
1
5.5V
5V
4.5V
4V
3.6V
3.3V
2.7V
L
=
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