ATMEGA328P-AN datasheet(6/50 Pages) ATMEL

Part #	ATMEGA328P-AN

Description	ATMEL 8-BIT MICROCONTROLLER WITH 4/8/16/32KBYTES IN-SYSTEM PROGRAMMABLE FLASH

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Manufacturer	ATMEL [ATMEL Corporation]

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ATmega48A/PA/88A/PA/168A/PA/328/P [DATASHEET]

Atmel-8271JS-AVR- ATmega-Datasheet_11/2015

2.

Overview

The ATmega48A/PA/88A/PA/168A/PA/328/P 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

ATmega48A/PA/88A/PA/168A/PA/328/P achieves throughputs approaching 1 MIPS per MHz allowing the

system designer to optimize power consumption versus processing speed.

2.1

Block Diagram

Figure 2-1.

Block Diagram

The 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 accessed in one

single instruction executed in one clock cycle. The resulting architecture is more code efficient while achieving

throughputs up to ten times faster than conventional CISC microcontrollers.

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

Similar Part No. - ATMEGA328P-AN

Manufacturer	Part #	Datasheet	Description
Microchip Technology	ATMEGA328P-AN	33Mb / 662P	High Performance, Low Power AVR® 8-Bit Microcontroller Family 2018
ATMEL Corporation	ATMEGA328P-AN	406Kb / 24P	8-bit AVR Microcontrollers 06/2016
Microchip Technology	ATMEGA328P-ANR	33Mb / 662P	High Performance, Low Power AVR® 8-Bit Microcontroller Family 2018
ATMEL Corporation	ATMEGA328P-ANR	406Kb / 24P	8-bit AVR Microcontrollers 06/2016

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Similar Description - ATMEGA328P-AN

Manufacturer	Part #	Datasheet	Description
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	ATMEGA168PA	1Mb / 326P	ATMEL 8-BIT MICROCONTROLLER WITH 4/8/16/32KBYTES
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ATMEGA328P-AN Datasheet(PDF) 6 Page - ATMEL Corporation

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