ATtiny44 datasheet(232/236 Pages) ATMEL

232 / 236 page

8006H–AVR–10/09

ATtiny24/44/84

7.3

Power Reduction Register ...............................................................................35

7.4

Minimizing Power Consumption ......................................................................35

7.5

System Control and Reset .................................................................... 39

8.1

Resetting the AVR ...........................................................................................39

8.2

Reset Sources .................................................................................................40

8.3

Internal Voltage Reference ..............................................................................42

8.4

Watchdog Timer ..............................................................................................42

8.5

Interrupts ................................................................................................ 48

9.1

Interrupt Vectors ..............................................................................................48

9.2

External Interrupts ...........................................................................................49

9.3

I/O Ports .................................................................................................. 54

10.1

Ports as General Digital I/O .............................................................................55

10.2

Alternate Port Functions ..................................................................................58

10.3

8-bit Timer/Counter0 with PWM ............................................................ 69

11.1

Features ..........................................................................................................69

11.2

Overview ..........................................................................................................69

11.3

Clock Sources .................................................................................................70

11.4

Counter Unit ....................................................................................................70

11.5

Output Compare Unit .......................................................................................71

11.6

Compare Match Output Unit ............................................................................73

11.7

Modes of Operation .........................................................................................74

11.8

Timer/Counter Timing Diagrams .....................................................................78

11.9

16-bit Timer/Counter1 ............................................................................ 87

12.1

Features ..........................................................................................................87

12.2

Overview ..........................................................................................................87

12.3

Timer/Counter Clock Sources .........................................................................89

12.4

Counter Unit ....................................................................................................89

12.5

Input Capture Unit ...........................................................................................90

12.6

Output Compare Units .....................................................................................92

ATtiny44 Datasheet(PDF) 232 Page - ATMEL Corporation

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