ATtiny20 Atmel Corporation, ATtiny20 Datasheet - Page 206

• 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

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ATtiny20
Figure 21-52. Watchdog Oscillator Frequency vs. Temperature
Figure 21-53. Calibrated Oscillator Frequency vs. V
0,118
0,116
0,114
0,112
0,108
0,106
0,11
8,4
8,2
7,8
7,6
7,4
8
1,5
-40
2
-20
CALIBRATED 8MHz RC OSCILLATOR FREQUENCY vs. OPERATING VOLTAGE
2,5
WATCHDOG OSCILLATOR FREQUENCY vs. TEMPERATURE
0
3
20
Temperature [C]
VCC [V]
3,5
CC
40
4
60
4,5
80
5
1.8 V
2.8 V
3.5 V
4.0 V
5.5 V
8235B–AVR–04/11
5,5
100
-40 °C
25 °C
85 °C