ATmega64A datasheet(386/392 Pages) ATMEL

386 / 392 page

8160C–AVR–07/09

ATmega64A

8.8

External Clock .................................................................................................42

8.9

Timer/Counter Oscillator ..................................................................................43

8.10

Power Management and Sleep Modes ................................................. 46

9.1

Idle Mode .........................................................................................................46

9.2

ADC Noise Reduction Mode ............................................................................46

9.3

Power-down Mode ...........................................................................................47

9.4

Power-save Mode ............................................................................................47

9.5

Standby Mode .................................................................................................47

9.6

Extended Standby Mode .................................................................................47

9.7

Minimizing Power Consumption ......................................................................48

9.8

System Control and Reset .................................................................... 51

10.1

Internal Voltage Reference ..............................................................................55

10.2

Watchdog Timer ..............................................................................................55

10.3

Timed Sequences for Changing the Configuration of the Watchdog Timer ....56

10.4

Interrupts ................................................................................................ 60

11.1

Overview ..........................................................................................................60

11.2

Interrupt Vectors in ATmega64A .....................................................................60

11.3

External Interrupts ................................................................................. 65

12.1

I/O Ports .................................................................................................. 68

13.1

Overview ..........................................................................................................68

13.2

Ports as General Digital I/O .............................................................................69

13.3

Alternate Port Functions ..................................................................................73

13.4

8-bit Timer/Counter0 with PWM and Asynchronous Operation ........ 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 .......................................................................................94

ATmega64A Datasheet(PDF) 386 Page - ATMEL Corporation

ATmega64A Datasheet(HTML) 386 Page - ATMEL Corporation

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