ATTINY261A-MN Atmel, ATTINY261A-MN Datasheet - Page 194
ATTINY261A-MN
Manufacturer Part Number
ATTINY261A-MN
Description
IC MCU AVR 2K FLASH 32QFN
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY261A-MN
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
USI
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
16
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)
1.8 V ~ 5.5 V
Data Converters
A/D 11x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Processor Series
ATtiny
Core
AVR
Data Bus Width
8 bit
Data Ram Size
128 B, 256 B, 512 B
Interface Type
SPI, USI
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
16
Number Of Timers
2
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 105 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATTINY261A-MN
Manufacturer:
Atmel
Quantity:
771
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20.1.1
194
ATtiny261A/461A/861A
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:
I
CC
PRR bit
PRTIM1
PRTIM0
PRUSI
PRADC
total
CC
≈
= 2.0V and F = 1MHz. From
0,085mA
197, we find that the idle current consumption is ~0,085 mA at V
CC
and frequency settings than listed in
Additional Current Consumption (percentage) in Active and Idle mode.
•
(
Additional Current consumption
compared to Active with external
clock (see
195
1
+
0,10
and
Figure 20-2 on page
+
0,273
Figure 20-1 on page
15...100 %
20...25 %
2...12 %
2...3 %
+
0,065
Table
)
≈
20-2, third column, we see that we need to add 10%
0,122mA
195)
Table
Additional Current consumption
compared to Idle with external
clock (see
197
20-2.
and
Figure 20-7 on page
Figure 20-6 on page
50...500 %
10...15 %
10...50%
100 %
CC
= 2.0V and F=1MHz.
198)
8197B–AVR–01/10
Figure 20-6
Table 20-1
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