ATmega168A Atmel Corporation, ATmega168A Datasheet - Page 561

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ATmega168A

Manufacturer Part Number
ATmega168A
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega168A

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
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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8271D–AVR–05/11
13 External Interrupts ................................................................................. 72
14 I/O-Ports .................................................................................................. 77
15 8-bit Timer/Counter0 with PWM ............................................................ 96
16 16-bit Timer/Counter1 with PWM ........................................................ 115
17 Timer/Counter0 and Timer/Counter1 Prescalers .............................. 143
13.1Pin Change Interrupt Timing .................................................................................72
13.2Register Description ..............................................................................................73
14.1Overview ...............................................................................................................77
14.2Ports as General Digital I/O ...................................................................................78
14.3Alternate Port Functions ........................................................................................82
14.4Register Description ..............................................................................................94
15.1Features ................................................................................................................96
15.2Overview ...............................................................................................................96
15.3Timer/Counter Clock Sources ...............................................................................98
15.4Counter Unit ..........................................................................................................98
15.5Output Compare Unit ............................................................................................99
15.6Compare Match Output Unit ................................................................................100
15.7Modes of Operation .............................................................................................101
15.8Timer/Counter Timing Diagrams .........................................................................106
15.9Register Description ............................................................................................108
16.1Features ..............................................................................................................115
16.2Overview .............................................................................................................115
16.3Accessing 16-bit Registers ..................................................................................117
16.4Timer/Counter Clock Sources .............................................................................120
16.5Counter Unit ........................................................................................................121
16.6Input Capture Unit ...............................................................................................122
16.7Output Compare Units .........................................................................................124
16.8Compare Match Output Unit ................................................................................126
16.9Modes of Operation .............................................................................................127
16.10Timer/Counter Timing Diagrams .......................................................................134
16.11Register Description ..........................................................................................136
17.1Internal Clock Source ..........................................................................................143
17.2Prescaler Reset ...................................................................................................143
17.3External Clock Source .........................................................................................143
17.4Register Description ............................................................................................145
ATmega48A/PA/88A/PA/168A/PA/328/P
iii

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