AT90PWM2 datasheet(361/365 Pages) ATMEL

361 / 365 page

361

AT90PWM2/3

4317B–AVR–02/05

Power-down Mode.............................................................................................. 40

Standby Mode..................................................................................................... 40

Power Reduction Register .................................................................................. 41

Minimizing Power Consumption ......................................................................... 42

System Control and Reset ................................................................. 44

Internal Voltage Reference ................................................................................. 49

Watchdog Timer .................................................................................................. 50

Interrupts ............................................................................................. 56

Interrupt Vectors in AT90PWM2/3 ...................................................................... 56

I/O-Ports............................................................................................... 62

Introduction ......................................................................................................... 62

Ports as General Digital I/O ................................................................................ 63

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

External Interrupts .............................................................................. 82

Timer/Counter0 and Timer/Counter1 Prescalers ............................. 84

8-bit Timer/Counter0 with PWM......................................................... 87

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

Timer/Counter Clock Sources............................................................................. 88

Counter Unit........................................................................................................ 88

Output Compare Unit.......................................................................................... 89

Compare Match Output Unit ............................................................................... 91

Modes of Operation ............................................................................................. 92

Timer/Counter Timing Diagrams......................................................................... 96

8-bit Timer/Counter Register Description ........................................................... 97

16-bit Timer/Counter1 with PWM..................................................... 104

Overview........................................................................................................... 104

Accessing 16-bit Registers ............................................................................... 106

Timer/Counter Clock Sources............................................................................110

Counter Unit...................................................................................................... 110

Input Capture Unit............................................................................................. 111

Output Compare Units ...................................................................................... 112

Compare Match Output Unit ............................................................................. 114

Modes of Operation .......................................................................................... 115

Timer/Counter Timing Diagrams....................................................................... 123

16-bit Timer/Counter Register Description ........................................................125

Power Stage Controller – (PSC0, PSC1 & PSC2) ........................... 132

Features............................................................................................................ 132

AT90PWM2 Datasheet(PDF) 361 Page - ATMEL Corporation