ATtiny461A Atmel Corporation, ATtiny461A Datasheet - Page 198
ATtiny461A
Manufacturer Part Number
ATtiny461A
Description
Manufacturer
Atmel Corporation
Specifications of ATtiny461A
Flash (kbytes)
4 Kbytes
Pin Count
20
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
8
Hardware Qtouch Acquisition
No
Max I/o Pins
16
Ext Interrupts
16
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
11
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
0.25
Eeprom (bytes)
256
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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20.1.1
198
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
F = 1 MHz. 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 = 1 MHz. From
0.085mA
201, 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
199
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
199)
Table
Additional Current consumption
compared to Idle with external
clock (see
201
20-2.
and
Figure 20-7 on page
Figure 20-6 on page
50...500 %
10...15 %
10...50%
100 %
CC
202)
8197C–AVR–05/11
= 2.0V and
Figure 20-6
Table 20-1
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