ATMEGA32(2008) Ver la hoja de datos (PDF) - Atmel Corporation

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ATMEGA32
(Rev.:2008)

8-bit Microcontroller with 32K Bytes In-System Programmable Flash

Atmel Corporation 

Table of Contents

Features 1

Pin Configurations 2

Overview 3

Block Diagram 3

Pin Descriptions 4

Resources 6

Data Retention 6

About Code Examples 7

AVR CPU Core 8

Introduction 8

Architectural Overview 8

ALU – Arithmetic Logic Unit 9

Status Register 10

General Purpose Register File 11

Stack Pointer 12

Instruction Execution Timing 13

Reset and Interrupt Handling 13

AVR ATmega32 Memories 16

In-System Reprogrammable Flash Program Memory 16

SRAM Data Memory 17

EEPROM Data Memory 18

I/O Memory 23

System Clock and Clock Options 24

Clock Systems and their Distribution 24

Clock Sources 25

Default Clock Source 25

Crystal Oscillator 26

Low-frequency Crystal Oscillator 28

External RC Oscillator 28

Calibrated Internal RC Oscillator 29

External Clock 31

Timer/Counter Oscillator 31

Power Management and Sleep Modes 32

Idle Mode 33

ADC Noise Reduction Mode 33

2503N–AVR–06/08

ATmega32(L)

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