ATmega1284P datasheet(374/380 Pages) ATMEL

374 / 380 page

8059D–AVR–11/09

ATmega1284P

7.12Register Description ..............................................................................................38

Power Management and Sleep Modes ................................................. 40

8.1Overview .................................................................................................................40

8.2Sleep Modes ...........................................................................................................40

8.3BOD Disable ............................................................................................................41

8.4Idle Mode .................................................................................................................41

8.5ADC Noise Reduction Mode ...................................................................................41

8.6Power-down Mode ..................................................................................................42

8.7Power-save Mode ...................................................................................................42

8.8Standby Mode .........................................................................................................42

8.9Extended Standby Mode .........................................................................................42

8.10Power Reduction Registers ...................................................................................43

8.11Minimizing Power Consumption ............................................................................43

8.12Register Description ..............................................................................................45

System Control and Reset .................................................................... 48

9.1Resetting the AVR ...................................................................................................48

9.2Internal Voltage Reference ......................................................................................52

9.3Watchdog Timer ......................................................................................................53

9.4Register Description ................................................................................................56

Interrupts ................................................................................................ 59

10.1Overview ...............................................................................................................59

10.2Interrupt Vectors in ATmega1284P .......................................................................59

10.3Register Description ..............................................................................................63

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

11.1Overview ...............................................................................................................65

11.2Register Description ..............................................................................................65

I/O-Ports .................................................................................................. 70

12.1Overview ...............................................................................................................70

12.2Ports as General Digital I/O ...................................................................................71

12.3Alternate Port Functions ........................................................................................76

12.4Register Description ..............................................................................................90

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

13.1Features ................................................................................................................92

13.2Overview ...............................................................................................................92

ATmega1284P Datasheet(PDF) 374 Page - ATMEL Corporation