ATTINY461-20PU Atmel, ATTINY461-20PU Datasheet - Page 198
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ATTINY461-20PU
Manufacturer Part Number
ATTINY461-20PU
Description
Microcontrollers (MCU) 4kB Flash 0.256kB EEPROM 16 I/O Pins
Manufacturer
Atmel
Specifications of ATTINY461-20PU
Processor Series
ATTINY4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
2-Wire/SPI/USI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
16
Number Of Timers
2
Operating Supply Voltage
4.5 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
Through Hole
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
11-ch x 10-bit
Program Memory Type
Flash
Program Memory Size
4 KB
Package / Case
PDIP-20
Package
20PDIP
Device Core
AVR
Family Name
ATtiny
Maximum Speed
20 MHz
Ram Size
256 Byte
Operating Temperature
-40 to 85 °C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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20.1.0.1
20.2
198
Active Supply Current
ATtiny261/461/861
Example
Table 20-2.
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 TIMER0, ADC, and USI enabled
at V
for the TIMER0, 27.3 % for the ADC, and 6.5 % for the USI module. Reading from
on page
The total current consumption in idle mode with TIMER0, ADC, and USI enabled, gives:
Figure 20-1. Active Supply Current vs. Low Frequency (0.1 - 1.0 MHz)
I
CC
PRR bit
PRTIM1
PRTIM0
PRUSI
PRADC
total
CC
≈
1,2
0,8
0,6
0,4
0,2
= 2.0V and F = 1MHz. From
0,085mA
1
0
201, we find that the idle current consumption is ~0,085 mA at V
0
CC
and frequency settings than listed in
Additional Current Consumption (percentage) in Active and Idle mode.
•
0,1
(
Additional Current consumption
compared to Active with external
clock (see
198
1
+
0,10
ACTIVE SUPPLY CURRENT vs. LOW FREQUENCY
and
0,2
Figure 20-2 on page
+
0,273
Figure 20-1 on page
26.9 %
0,3
1.7 %
2.6 %
7.1 %
+
0,065
Table
0,4
)
Frequency (MHz)
≈
0.1 - 1.0 MHZ
20-2, third column, we see that we need to add 10%
0,122mA
199)
0,5
Table
Additional Current consumption
compared to Idle with external
clock (see
201
0,6
20-2.
and
0,7
Figure 20-7 on page
Figure 20-6 on page
103.7 %
10.0 %
27.3 %
6.5 %
0,8
CC
= 2.0V and F=1MHz.
0,9
201)
2588E–AVR–08/10
Figure 20-6
1
Table 20-1
5.5 V
5.0 V
4.5 V
4.0 V
3.3 V
2.7 V
1.8 V
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