ATtiny20 Atmel Corporation, ATtiny20 Datasheet - Page 207

• 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

8235B–AVR–04/11
Figure 21-54. Calibrated Oscillator Frequency vs. Temperature
Figure 21-55. Calibrated Oscillator Frequency vs. OSCCAL Value
8,3
8,2
8,1
7,9
7,8
7,7
7,6
8
16
14
12
10
-40
8
6
4
2
0
0
16
32
-20
48
CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. TEMPERATURE
CALIBRATED 8.0MHz RC OSCILLATOR FREQUENCY vs. OSCCAL VALUE
64
0
80
96
20
112
Temperature [C]
OSCCAL [X1]
128
40
144
160
176
60
192
208
80
224
5.0 V
3.0 V
1.8 V
ATtiny20
240
100
-40 °C
25 °C
85 °C
207