ATmega168 Atmel Corporation, ATmega168 Datasheet - Page 335

• Manufacturer Part Number: ATmega168
• Manufacturer: Atmel Corporation

Specifications of ATmega168

• Flash (kbytes): 16 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 23
• Ext Interrupts: 24
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 1
• Uart: 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: No
• Crypto Engine: No
• Sram (kbytes): 1
• Eeprom (bytes): 512
• Self Program Memory: YES
• 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: 3
• Output Compare Channels: 6
• Input Capture Channels: 1
• Pwm Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

2545T–AVR–05/11
Figure 30-37. Bandgap voltage vs. V
Figure 30-38. Analog comparator offset voltage vs. common mode voltage (V
1.095
1.085
0.009
0.008
0.007
0.006
0.005
0.004
0.003
0.002
0.001
1.09
1.08
1.1
0
1.5
0
0.5
2
1
2.5
1.5
3
Common Mode Voltage (V)
2
CC
3.5
.
V
CC
2.5
(V)
4
3
4.5
3.5
5
ATmega48/88/168
4
5.5
4.5
-40°C
85°C
5
6
-40°C
85°C
CC
= 5V).
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