ATMEGA4809-AU - Microchip Technology

Manufacturer Part Number

ATMEGA4809-AU

Manufacturer

Microchip Technology

Introduction

The ATMEGA4809-AU is a high-performance microcontroller from the megaAVR® 0 series featuring Microchip's Functional Safety (FuSa) standards designed for embedded applications.

Product Features and Performance

Core Processor: AVR

Core Size: 8-Bit

Speed: 20MHz

Connectivity includes I2C, SPI, UART/USART

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

Number of I/O: 41

Program Memory Size: 48KB (24K x 16)

Program Memory Type: FLASH

EEPROM Size: 256 x 8

RAM Size: 6K x 8

Onboard A/D Converters: 16x10 bit

Oscillator Type: Internal

Product Advantages

Functional Safety (FuSa) feature for reliable and safe operation

Wide voltage supply range (1.8V to 5.5V) allowing for flexible power management

Extensive range of peripherals and connectivity options for versatile applications

Key Technical Parameters

Operating Voltage: 1.8V ~ 5.5V

Interfaces: I2C, SPI, UART/USART

Internal Oscillator for standalone operation

Operating Temperature: -40°C ~ 85°C

Package/Case: 48-TQFP (7x7)

Quality and Safety Features

Integrated brown-out detect and reset features for increased reliability

Watchdog timer to reset the microcontroller in case of software errors

Compliant with functional safety standards to ensure safe operation

Compatibility

Leads a standard TQFP package for surface mount compatibility

Widely compatible with various peripherals and expansion modules due to extensive connectivity options

Application Areas

Industrial control systems

Consumer electronics

Automotive systems

Internet of Things (IoT) devices

Smart home automation

Product Lifecycle

Product Status: Active

No indication of nearing discontinuation, with replacements and upgrades regularly offered by Microchip

Several Key Reasons to Choose This Product

Tailored for safety-critical applications, meeting Functional Safety standards

Operational across a broad temperature range, suitable for harsh environments

Versatile connectivity options cater to complex embedded system designs

High number of I/Os available for multifaceted interfacing

Large program memory and RAM for sophisticated programs and data processing

Backed by Microchip's reputation for quality in microcontroller technology

Comprehensive technical support and documentation from the manufacturer