ATMEGA328-MMH - Microchip Technology

Manufacturer Part Number

ATMEGA328-MMH

Manufacturer

Microchip Technology

Introduction

The ATMEGA328-MMH is an 8-bit high-performance microcontroller from Microchip Technology's AVR® ATmega series, designed for efficient control in embedded systems.

Product Features and Performance

Core Processor: AVR

Core Size: 8-Bit for optimal balance between performance and power consumption

Speed: Clock speed of 20MHz for fast processing

Connectivity: Includes I2C, SPI, UART/USART for versatile inter-device communication

Peripherals: Features Brown-out Detect/Reset, Power-on Reset (POR), Pulse Width Modulation (PWM), Watchdog Timer (WDT) for enhanced functionality

Number of I/O: 23 programmable input/output pins for flexible device control

Program Memory Size: 32KB flash memory for program storage

EEPROM Size: 1K x 8 for non-volatile data storage

RAM Size: 2K x 8 for efficient data manipulation

Voltage Supply (Vcc/Vdd): Operates across a wide range of voltage (1.8V ~ 5.5V) for flexible power requirements

Data Converters: A/D 8x10b, enabling analog to digital conversions

Oscillator Type: Features an internal oscillator for clock generation

Operating Temperature: -40°C ~ 85°C, suitable for challenging environmental conditions

Product Advantages

Balanced performance and power consumption make it ideal for battery-operated applications

Flexibility in power supply voltage allows use in varied environments

Comprehensive peripheral set supports advanced features without external components

High program memory size enables complex program execution

Integrated oscillator reduces external component requirement, simplifying design

Key Technical Parameters

Core Processor: AVR

Speed: 20MHz

Program Memory: 32KB FLASH

EEPROM: 1K x 8

RAM: 2K x 8

Voltage Supply Range: 1.8V to 5.5V

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Built-in brown-out detect and power-on reset circuits enhance system reliability

Watchdog Timer helps to recover from error conditions

Compatibility

Compatible with a broad range of communication interfaces for extensive device interconnectivity

Application Areas

Ideal for embedded systems in automotive, consumer electronics, industrial control, and sensor systems

Product Lifecycle

Status: Active, ensuring continued production and support

No known discontinuation, providing stability for long-term projects

Several Key Reasons to Choose This Product

High integration level reduces overall system cost and complexity

Wide voltage and temperature range ensure reliability in diverse environments

Large memory capacity enables sophisticated application development

Versatile connectivity options for flexible system design

Active product lifecycle status ensures long-term availability and support