ATmega168 Atmel Corporation, ATmega168 Datasheet - Page 333
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ATmega168
Manufacturer Part Number
ATmega168
Description
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
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30.10 BOD thresholds and analog comparator offset
2545T–AVR–05/11
Figure 30-33. Reset input pin hysteresis vs. V
Figure 30-34. BOD thresholds vs. temperature (BODLEVEL is 4.3V).
4.45
4.35
4.25
600
500
400
300
200
100
4.5
4.4
4.3
4.2
0
-50
2
-40
-30
2.5
-20
-10
3
0
10
Temperature (°C)
3.5
Falling Vcc
Rising Vcc
20
V
CC
(V)
30
CC
4
.
40
50
4.5
60
ATmega48/88/168
70
80
5
90
100
5.5
VIL
333