ATmega32HVB datasheet(267/273 Pages) ATMEL

267 / 273 page

8042A–AVR–07/09

ATmega16HVB/32HVB

9.6VADC Clock Prescaler ............................................................................................29

9.7OSI – Oscillator Sampling Interface ........................................................................29

9.8Register Description ................................................................................................32

Power Management and Sleep Modes ................................................. 35

10.1Sleep Modes ..........................................................................................................35

10.2Idle Mode ...............................................................................................................37

10.3ADC Noise Reduction ............................................................................................37

10.4Power-save Mode ..................................................................................................37

10.5Power-off Mode .....................................................................................................38

10.6Power Reduction Register .....................................................................................38

10.7Minimizing Power Consumption ............................................................................38

10.8Register Description ..............................................................................................39

System Control and Reset .................................................................... 42

11.1Resetting the AVR .................................................................................................42

11.2Reset Sources .......................................................................................................42

11.3Reset and the Voltage Reference .........................................................................45

11.4Watchdog Timer ....................................................................................................46

11.5Register Description ..............................................................................................49

Interrupts ................................................................................................ 52

12.1Overview ................................................................................................................52

12.2Interrupt Vectors in ATmega16HVB/32HVB ..........................................................52

12.3Moving Interrupts Between Application and Boot Space .......................................56

12.4Register Description ..............................................................................................56

External Interrupts ................................................................................. 58

13.1Overview ................................................................................................................58

13.2Register Description ..............................................................................................58

High Voltage I/O Ports ........................................................................... 62

14.1Overview ................................................................................................................62

14.2High Voltage Ports as General Digital I/O .............................................................63

14.3Overview ................................................................................................................64

14.4Alternate Port Functions ........................................................................................64

14.5Register Description ..............................................................................................66

Low Voltage I/O-Ports ............................................................................ 67

15.1Overview ................................................................................................................67

ATmega32HVB датащи(PDF) 267 Page - ATMEL Corporation