ATMEGA64L-8MI View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATMEGA64L-8MI

8-bit AVR® Microcontroller with 64K Bytes In-System Programmable Flash

Atmel Corporation 

Standby Mode..................................................................................................... 46

Extended Standby Mode .................................................................................... 46

Minimizing Power Consumption ......................................................................... 47

System Control and Reset ................................................................ 49

Internal Voltage Reference ................................................................................. 54

Watchdog Timer ................................................................................................. 54

Timed Sequences for Changing the Configuration of the Watchdog Timer ....... 58

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

Interrupt Vectors in ATmega64........................................................................... 59

I/O Ports.............................................................................................. 64

Introduction ......................................................................................................... 64

Ports as General Digital I/O ................................................................................ 65

Alternate Port Functions ..................................................................................... 69

Register Description for I/O Ports ....................................................................... 85

External Interrupts............................................................................. 88

8-bit Timer/Counter0 with PWM and Asynchronous Operation .... 91

Overview............................................................................................................. 91

Timer/Counter Clock Sources............................................................................. 92

Counter Unit........................................................................................................ 93

Output Compare Unit.......................................................................................... 93

Compare Match Output Unit ............................................................................... 95

Modes of Operation ............................................................................................ 96

Timer/Counter Timing Diagrams....................................................................... 100

8-bit Timer/Counter Register Description ......................................................... 102

Asynchronous Operation of the Timer/Counter ................................................ 105

Timer/Counter Prescaler................................................................................... 108

16-bit Timer/Counter (Timer/Counter1 and Timer/Counter3)....... 110

Overview........................................................................................................... 110

Accessing 16-bit Registers ............................................................................... 113

Timer/Counter Clock Sources........................................................................... 115

Counter Unit...................................................................................................... 116

Input Capture Unit............................................................................................. 117

Output Compare Units ...................................................................................... 119

Compare Match Output Unit ............................................................................. 120

Modes of Operation .......................................................................................... 122

Timer/Counter Timing Diagrams....................................................................... 129

16-bit Timer/Counter Register Description ....................................................... 131

Timer/Counter3, Timer/Counter2 and Timer/Counter1 Prescalers ....

142

ii ATmega64(L)

2490G–AVR–03/04

Share Link: