ATMEGA328P-20AU datasheet(5/420 Pages) ATMEL

Part #	ATMEGA328P-20AU

Description	8-bit Atmel Microcontroller with 4/8/16K Bytes In-System Programmable Flash

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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5 / 420 page

5

8025M–AVR–6/11

ATmega48P/88P/168P

2.1

Block Diagram

Figure 2-1.

Block Diagram

PORT C (7)

PORT B (8)

PORT D (8)

USART 0

8bit T/C 2

16bit T/C 1

8bit T/C 0

A/D Conv.

Internal

Bandgap

Analog

Comp.

SPI

TWI

SRAM

Flash

EEPROM

Watchdog

Oscillator

Watchdog

Timer

Oscillator

Circuits /

Clock

Generation

Power

Supervision

POR / BOD &

RESET

PROGRAM

LOGIC

debugWIRE

2

GND

AREF

AVCC

ADC[6..7]

PC[0..6]

PB[0..7]

PD[0..7]

6

RESET

XTAL[1..2]

CPU

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ATMEGA328P-20AU Datasheet(PDF) 5 Page - ATMEL Corporation

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