ATMEGA32(2008) 데이터 시트보기 (PDF) - Atmel Corporation

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ATMEGA32
(Rev.:2008)

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

Atmel Corporation 

Overview

Block Diagram

ATmega32(L)

The ATmega32 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC

architecture. By executing powerful instructions in a single clock cycle, the ATmega32 achieves

throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power con-

sumption versus processing speed.

Figure 2. Block Diagram

VCC

PA0 - PA7

PC0 - PC7

GND

AVCC

AREF

PORTA DRIVERS/BUFFERS

PORTA DIGITAL INTERFACE

MUX &

ADC

ADC

INTERFACE

PROGRAM

COUNTER

PROGRAM

FLASH

INSTRUCTION

REGISTER

INSTRUCTION

DECODER

CONTROL

LINES

AVR CPU

STACK

POINTER

SRAM

GENERAL

PURPOSE

REGISTERS

X

Y

Z

ALU

STATUS

REGISTER

PROGRAMMING

LOGIC

+

-

SPI

COMP.

INTERFACE

PORTC DRIVERS/BUFFERS

PORTC DIGITAL INTERFACE

TWI

TIMERS/

COUNTERS

OSCILLATOR

INTERNAL

OSCILLATOR

WATCHDOG

TIMER

MCU CTRL.

& TIMING

INTERRUPT

UNIT

EEPROM

OSCILLATOR

INTERNAL

CALIBRATED

OSCILLATOR

USART

XTAL1

XTAL2

RESET

PORTB DIGITAL INTERFACE

PORTB DRIVERS/BUFFERS

PB0 - PB7

PORTD DIGITAL INTERFACE

PORTD DRIVERS/BUFFERS

PD0 - PD7

3

2503N–AVR–06/08

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