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ATMEGA4809-AFR

MCHPATMEGA4809-AFR

Microchip Technology
AVR megaAVR® 0, Functional Safety (FuSa) Microcontroller IC 8-Bit 20MHz 48KB (48K x 8) FLASH 48-TQFP (7x7)
Active17,576 in stock
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Overview

The ATMEGA4809-AFR is an 8-bit AVR microcontroller featuring a 20MHz core, 48KB of Flash memory, and 6KB of RAM. It offers robust peripheral sets, including I2C, SPI, and UART/USART, along with essential system functions like Brown-out Detect/Reset and a Watchdog Timer. This device is designed for a wide range of embedded applications requiring a balance of performance, memory, and low-power operation.

Why Choose This Part

Engineers choose the ATMEGA4809-AFR for its dependable AVR architecture, which includes a hardware multiplier for efficient computation. Its single-cycle I/O access and two-level interrupt controller ensure responsive system operation. The microcontroller also offers flexible clocking options and integrated power management features, contributing to overall system efficiency and design flexibility.

Applications

Industrial Control Systems
Suitable for control panels, sensor interfaces, and data acquisition units due to its reliable AVR core and communication peripherals.
Consumer Electronics
Can be integrated into appliances, smart devices, and user interface controls, leveraging its 20MHz speed and various I/O options.
Battery-Powered Devices
Its low-power modes (Idle, Standby, Power-Down) and efficient internal oscillators make it ideal for portable and battery-operated applications.
Embedded Sensing Applications
The rich set of peripherals and flexible I/O are well-suited for processing data from various sensors and actuators.
Motor Control
With PWM capabilities and a 20MHz clock speed, it can be used in basic motor control applications requiring precise timing.

Key Specifications

Speed 20MHz
RAM Size 6K x 8
Core Size 8-Bit
EEPROM Size 256 x 8
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Connectivity I2C, SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 41
Core Processor AVR
Package / Case 48-TQFP
Data Converters A/D 16x10b
Oscillator Type Internal
Program Memory Size 48KB (48K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 125degC (TA)
Supplier Device Package 48-TQFP (7x7)
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V

Getting Started

To begin development with the ATMEGA4809-AFR, Microchip's MPLAB X IDE is the recommended environment, paired with the MPLAB Snap In-Circuit Debugger/Programmer or the Atmel-ICE. For rapid prototyping, a Curiosity Nano evaluation kit for the ATMEGA4809 (e.g., ATMEGA4809-CNANO) provides an integrated debugger and quick access to I/O pins.

Part of ATmega family » ATMEGA4809

ATMEGA4809 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Flash Temp Range Stock
ATMEGA4809-AFR (this part) TQFP-48 48KB -40degC ~ 125degC .. 17,576
ATMEGA4809-AF TQFP-48 48KB -40degC ~ 125degC .. 15,994
ATMEGA4809-MU (Microchip) VFQFN-48 48KB -40degC ~ 85degC (.. 911

Also Consider

ATMEGA328P-AU MCHPMicrochip Technology - This is a widely used AVR microcontroller with a strong community, offering a smaller memory footprint suitable for less complex projects.
PIC18F47Q10-I/PT MCHPMicrochip Technology - This PIC microcontroller provides an alternative 8-bit platform with different peripheral sets and a comparable performance level.

Categories

Microcontrollers > AVR Microcontrollers > Microchip Education & Prototyping > Arduino Ecosystem Industrial & Automation > Functional Safety