ATmega328P datasheet(340/345 Pages) ATMEL

340 / 345 page

340

7810A–AVR–11/09

ATmega328P [Preliminary]

I/O-Ports .................................................................................................. 66

13.1

Overview ..........................................................................................................66

13.2

Ports as General Digital I/O .............................................................................67

13.3

Alternate Port Functions ..................................................................................71

13.4

8-bit Timer/Counter0 with PWM ............................................................ 86

14.1

Features ..........................................................................................................86

14.2

Overview ..........................................................................................................86

14.3

Timer/Counter Clock Sources .........................................................................87

14.4

Counter Unit ....................................................................................................87

14.5

Output Compare Unit .......................................................................................88

14.6

Compare Match Output Unit ............................................................................90

14.7

Modes of Operation .........................................................................................91

14.8

Timer/Counter Timing Diagrams .....................................................................95

14.9

16-bit Timer/Counter1 with PWM ........................................................ 104

15.1

Features ........................................................................................................104

15.2

Overview ........................................................................................................104

15.3

Accessing 16-bit Registers ............................................................................106

15.4

Timer/Counter Clock Sources .......................................................................109

15.5

Counter Unit ..................................................................................................110

15.6

Input Capture Unit .........................................................................................111

15.7

Output Compare Units ...................................................................................113

15.8

Compare Match Output Unit ..........................................................................115

15.9

Modes of Operation .......................................................................................116

15.10

Timer/Counter Timing Diagrams ...................................................................124

15.11

Timer/Counter0 and Timer/Counter1 Prescalers .............................. 133

16.1

Internal Clock Source ....................................................................................133

16.2

Prescaler Reset .............................................................................................133

16.3

External Clock Source ...................................................................................133

16.4

8-bit Timer/Counter2 with PWM and Asynchronous Operation ...... 136

17.1

Features ........................................................................................................136

17.2

Overview ........................................................................................................136

ATmega328P Datasheet(PDF) 340 Page - ATMEL Corporation

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