ATMEGA328P-PU - Microchip Technology

Manufacturer Part Number

ATMEGA328P-PU

Manufacturer

Microchip Technology

Introduction

ATMEGA328P-PU is an 8-bit microcontroller from Microchip's AVR® ATmega series, tailored for embedded applications.

Product Features and Performance

Core Processor: AVR

Core Size: 8-Bit

Speed: 20MHz

Enhanced connectivity with I2C, SPI, UART/USART

Built-in Peripherals: Brown-out Detect/Reset, POR, PWM, WDT

I/O Pins: 23

Program Memory: 32KB FLASH

EEPROM: 1KB

RAM: 2KB

A/D Converters: 6-channel 10-bit

Internal Oscillator for simplicity and reliability

Operating Temperature range from -40°C to 85°C

Product Advantages

Low power consumption with speed grade up to 20MHz

Wide voltage range (1.8V to 5.5V) for versatile applications

High-density non-volatile memory technology with 32KB of in-system self-programmable flash

Key Technical Parameters

Program Memory Size: 32KB (16K x 16)

EEPROM Size: 1K x 8

RAM Size: 2K x 8

Voltage Supply (Vcc/Vdd): 1.8V ~ 5.5V

Data Converters: A/D 6x10b

Operating Temperature: -40°C ~ 85°C (TA)

Quality and Safety Features

Integrated Brown-out Detect/Reset ensures proper operation under low voltage conditions

Watchdog Timer (WDT) contributes to the system reliability

Power-on Reset (POR) to ensure proper startup of microcontroller

Compatibility

Through Hole Mounting for universal PCB compatibility

28-PDIP package easily replaceable and suited for prototyping and production

Application Areas

Automotive systems

Industrial controls

Sensor monitoring

Consumer electronics

Robotics

Product Lifecycle

Currently active product

Supported by the manufacturer with continued availability

Possibility of replacement or upgrades within the AVR ATmega range

Several Key Reasons to Choose This Product

Proven track-record for reliability and performance in embedded systems

Extensive community support and availability of development tools

Scalability and backward compatibility within the AVR microcontroller family

Cost-effective with a range of integrated peripherals reducing external components

Easy to program with an extensive set of development tools provided by Microchip Technology