ATmega168P Atmel Corporation, ATmega168P Datasheet - Page 414

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ATmega168P

Manufacturer Part Number
ATmega168P
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega168P

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
Yes
Crypto Engine
No
Sram (kbytes)
1
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
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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ii
ATmega48P/88P/168P
10 Power Management and Sleep Modes ................................................. 40
11 System Control and Reset .................................................................... 47
12 Interrupts ................................................................................................ 58
13 External Interrupts ................................................................................. 68
9.6Calibrated Internal RC Oscillator .............................................................................34
9.7128 kHz Internal Oscillator ......................................................................................35
9.8External Clock .........................................................................................................35
9.9Clock Output Buffer .................................................................................................36
9.10Timer/Counter Oscillator .......................................................................................36
9.11System Clock Prescaler ........................................................................................36
9.12Register Description ..............................................................................................38
10.1Sleep Modes .........................................................................................................40
10.2BOD Disable ..........................................................................................................41
10.3Idle Mode ...............................................................................................................41
10.4ADC Noise Reduction Mode .................................................................................41
10.5Power-down Mode ................................................................................................42
10.6Power-save Mode .................................................................................................42
10.7Standby Mode .......................................................................................................42
10.8Extended Standby Mode .......................................................................................42
10.9Power Reduction Register .....................................................................................43
10.10Minimizing Power Consumption ..........................................................................43
10.11Register Description ............................................................................................45
11.1Resetting the AVR .................................................................................................47
11.2Reset Sources .......................................................................................................47
11.3Power-on Reset .....................................................................................................48
11.4External Reset .......................................................................................................49
11.5Brown-out Detection ..............................................................................................49
11.6Watchdog System Reset .......................................................................................50
11.7Internal Voltage Reference ....................................................................................50
11.8Watchdog Timer ....................................................................................................51
11.9Register Description ..............................................................................................55
12.1Interrupt Vectors in ATmega48P ...........................................................................58
12.2Interrupt Vectors in ATmega88P ...........................................................................60
12.3Interrupt Vectors in ATmega168P .........................................................................63
12.4Register Description ..............................................................................................66
8025M–AVR–6/11

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