ATtiny461A Atmel Corporation, ATtiny461A Datasheet - Page 198

• Manufacturer Part Number: ATtiny461A
• 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

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