ATtiny20 Atmel Corporation, ATtiny20 Datasheet - Page 180

• Manufacturer Part Number: ATtiny20
• Manufacturer: Atmel Corporation

Specifications of ATtiny20

• Flash (kbytes): 2 Kbytes
• Pin Count: 14
• Max. Operating Frequency: 12 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 5
• Hardware Qtouch Acquisition: Yes
• Max I/o Pins: 12
• Ext Interrupts: 12
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: Yes
• Crypto Engine: No
• Sram (kbytes): 0.12
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• 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: 4
• Input Capture Channels: 1
• Pwm Channels: 3
• 32khz Rtc: No
• Calibrated Rc Oscillator: Yes

21.2
180
Current Consumption in Active Mode
ATtiny20
Table 21-2
ages and frequencies than those mentioned in the
Table 21-2.
Figure 21-1. Active Supply Current vs. Low Frequency (0.1 - 1.0 MHz)
PRR bit
PRTIM0
PRTIM1
PRADC
PRTSPI
PRTTWI
0,9
0,8
0,7
0,6
0,5
0,4
0,3
0,2
0,1
0
0
below can be used for calculating typical current consumption for other supply volt-
Additional Current Consumption (percentage) in Active and Idle mode
0,1
Current consumption additional to
(see
active mode with external clock
see
0,2
Figure 21-1
Figure 21-14 on page 187
0,3
ACTIVE SUPPLY CURRENT vs. LOW FREQUENCY
2 %
3 %
2 %
4 %
and
0,4
Figure
Frequency [MHz]
0,5
21-2)
Table 21-1
0,6
Current consumption additional to
(see
0,7
above.
idle mode with external clock
see
Figure 21-6
Figure 21-14 on page 187
0,8
15 %
20 %
10 %
20 %
0,9
and
Figure
8235B–AVR–04/11
1
5.5 V
5.0 V
4.5 V
4.0 V
3.3 V
2.7 V
1.8 V
21-7)