ATmega168 Atmel Corporation, ATmega168 Datasheet - Page 326
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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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2545T–AVR–05/11
Figure 30-19. I/O pin pull-up resistor current vs. input voltage (V
Figure 30-20. Reset pull-up resistor current vs. reset pin voltage (V
85°C
-40°C
120
100
80
60
40
20
90
80
70
60
50
40
30
20
10
0
0
0
0
-40°C
85°C
25°C
25°C
0.5
1
1
2
V
V
RESET
OP
1.5
3
(V)
(V)
2
4
ATmega48/88/168
CC
2.5
5
= 2.7V).
CC
= 5V).
3
6
326