ATmega3290P datasheet(380/385 Pages) ATMEL

380 / 385 page

iii

8021E–AVR–07/09

ATmega329P/3290P

13.3 Alternate Port Functions .......................................................................................68

13.4 Register Description .............................................................................................88

8-bit Timer/Counter0 with PWM ............................................................ 92

14.1 Features ...............................................................................................................92

14.2 Overview ..............................................................................................................92

14.3 Timer/Counter Clock Sources ..............................................................................93

14.4 Counter Unit .........................................................................................................93

14.5 Output Compare Unit ...........................................................................................95

14.6 Compare Match Output Unit .................................................................................96

14.7 Modes of Operation ..............................................................................................97

14.8 Timer/Counter Timing Diagrams ........................................................................102

14.9 Timer/Counter0 and Timer/Counter1 Prescalers ................................................103

14.10 Register Description .........................................................................................105

16-bit Timer/Counter1 .......................................................................... 110

15.1 Features .............................................................................................................110

15.2 Overview ............................................................................................................110

15.3 Accessing 16-bit Registers .................................................................................113

15.4 Timer/Counter Clock Sources ............................................................................115

15.5 Counter Unit .......................................................................................................116

15.6 Input Capture Unit ..............................................................................................117

15.7 Output Compare Units ........................................................................................119

15.8 Compare Match Output Unit ...............................................................................121

15.9 Modes of Operation ............................................................................................122

15.10 Timer/Counter Timing Diagrams ......................................................................129

15.11 Register Description .........................................................................................131

8-bit Timer/Counter2 with PWM and Asynchronous Operation ...... 138

16.1 Features .............................................................................................................138

16.2 Overview ............................................................................................................138

16.3 Timer/Counter Clock Sources ............................................................................139

16.4 Counter Unit .......................................................................................................140

16.5 Output Compare Unit .........................................................................................140

16.6 Compare Match Output Unit ...............................................................................142

16.7 Modes of Operation ............................................................................................143

16.8 Timer/Counter Timing Diagrams ........................................................................147

16.9 Asynchronous Operation of Timer/Counter2 ......................................................149

ATmega3290P Datasheet(PDF) 380 Page - ATMEL Corporation