ATTINY25-20SUR Atmel, ATTINY25-20SUR Datasheet - Page 183
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ATTINY25-20SUR
Manufacturer Part Number
ATTINY25-20SUR
Description
MCU AVR 2KB FLASH 20MHZ 8SOIC
Manufacturer
Atmel
Series
AVR® ATtinyr
Datasheet
1.ATTINY25-20MU.pdf
(236 pages)
Specifications of ATTINY25-20SUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
6
Program Memory Size
2KB (1K x 16)
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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22.3.1
22.4
2586M–AVR–07/10
Power-down Supply Current
Example
It is possible to calculate the typical current consumption based on the numbers from
for other V
Calculate the expected current consumption in idle mode with USI, TIMER0, and ADC enabled
at V
to add 10% for the USI, 25% for the ADC, and 10% for the TIMER0 module. Reading from
22-9
total current consumption in idle mode with USI, TIMER0, and ADC enabled, gives:
Figure 22-11. Power-down Supply Current vs. V
CC
, we find that the idle current consumption is ~0,18 mA at V
= 2.0V and f = 1 MHz. From
CC
1.4
1.2
0.8
0.6
0.4
0.2
1
0
and frequency settings that listed in
1.5
2
I
CC
=
POWER-DOWN SUPPLY CURRENT vs. V
0 18mA
2.5
,
WATCHDOG TIMER DISABLED
Table 22-2 on page
×
3
(
1
+
0 1 ,
V
CC
3.5
+
(V)
CC
Table
0 25
,
(Watchdog Timer Disabled)
+
4
22-1.
182, third column, we see that we need
0 1 ,
)
≈
4.5
0 261mA
,
CC
= 2.0V and f = 1 MHz. The
CC
5
5.5
-40 ˚C
85 ˚C
25 ˚C
Table 22-2
Figure
183
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