ATMEGA128A_14 datasheet(4/369 Pages) ATMEL

부품명	ATMEGA128A

상세설명	8-bit Microcontroller with 128Kbytes

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제조업체	ATMEL [ATMEL Corporation]

홈페이지	http://www.atmel.com

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ATmega 128A [DATASHEET]

Atmel-8151I-8-bit-AVR-ATmega128A_Datasheet-08/2014

2.1

Block Diagram

Figure 2-1.

Block Diagram

The Atmel®AVR® core combines a rich instruction set with 32 general purpose working registers. All the 32

registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent registers to be

PROGRAM

COUNTER

INTERNAL

OSCILLATOR

WATCHDOG

TIMER

STACK

POINTER

PROGRAM

FLASH

MCU CONTROL

REGISTER

SRAM

GENERAL

PURPOSE

REGISTERS

INSTRUCTION

REGISTER

TIMER/

COUNTERS

INSTRUCTION

DECODER

DATA DIR.

REG. PORTB

DATA DIR.

REG. PORTE

DATA DIR.

REG. PORTA

DATA DIR.

REG. PORTD

DATA REGISTER

PORTB

DATA REGISTER

PORTE

DATA REGISTER

PORTA

DATA REGISTER

PORTD

TIMING AND

CONTROL

OSCILLATOR

INTERRUPT

UNIT

EEPROM

SPI

USART0

STATUS

REGISTER

Z

Y

X

ALU

PORTB DRIVERS

PORTE DRIVERS

PORTA DRIVERS

PORTF DRIVERS

PORTD DRIVERS

PORTC DRIVERS

PB0 - PB7

PE0 - PE7

PA0 - PA7

PF0 - PF7

VCC

AGND

GND

AREF

CONTROL

LINES

PC0 - PC7

8-BIT DATA BUS

AVCC

USART1

CALIB. OSC

DATA DIR.

REG. PORTC

DATA REGISTER

PORTC

ON-CHIP DEBUG

JTAG TAP

PROGRAMMING

LOGIC

PEN

BOUNDARY-

SCAN

DATA DIR.

REG. PORTF

DATA REGISTER

PORTF

ADC

PD0 - PD7

DATA DIR.

REG. PORTG

DATA REG.

PORTG

PORTG DRIVERS

PG0 - PG4

TWO-WIRE SERIAL

INTERFACE

유사한 부품 번호 - ATMEGA128A_14

제조업체	부품명	데이터시트	상세설명
ATMEL Corporation	ATMEGA128A	7Mb / 386P	Write/Erase cycles: 10,000 Flash/100,000 EEPROM
ATMEL Corporation	ATMEGA128A	561Kb / 22P	8-bit Microcontroller with 128K Bytes In-System Programmable Flash

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유사한 설명 - ATMEGA128A_14

제조업체	부품명	데이터시트	상세설명
ATMEL Corporation	ATMEGA128-16AN	481Kb / 24P	8-bit Atmel Microcontroller with 128KBytes In-System Programmable Flash
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ATMEGA128A 데이터시트(PDF) 4 Page - ATMEL Corporation

ATMEGA128A 데이터시트(HTML) 4 Page - ATMEL Corporation

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