ATTINY12 ATMEL Corporation, ATTINY12 Datasheet - Page 60
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ATTINY12
Manufacturer Part Number
ATTINY12
Description
8-bit AVR Microcontroller with 1K Byte Flash
Manufacturer
ATMEL Corporation
Datasheet
1.ATTINY12.pdf
(91 pages)
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ATtiny11 Typical
Characteristics
60
ATtiny11/12
The following charts show typical behavior. These figures are not tested during manu-
facturing. All current consumption measurements are performed with all I/O pins
configured as inputs and with internal pull-ups enabled. A sine wave generator with rail-
to-rail output is used as clock source.
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
ing frequency of I/O pin.
The parts are characterized at frequencies higher than test limits. Parts are not guaran-
teed 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 dif-
ferential current drawn by the Watchdog timer.
Figure 34. Active Supply Current vs. Frequency
L
*
V
CC
18
16
14
12
10
*f where C
8
6
4
2
0
0
V
CC
= 1.8V
1
V
CC
= 2.1V
L
2
= load capacitance, V
ACTIVE SUPPLY CURRENT vs. FREQUENCY
3
V
CC
= 2.4V
4
5
V
CC
Frequency (MHz)
= 2.7V
6
T = 25
A
7
CC
V
CC
˚
= operating voltage and f = average switch-
C
= 3.0V
8
9
V
CC
= 3.3V
10
11
12
13
V
V
CC
CC
= 4V
= 3.6V
14
1006D–AVR–07/03
15
V
V
V
V
CC
CC
CC
CC
= 5.5V
= 5V
= 4.5V
= 6V