Microchip Technology

ATMEGA4809-AFR  

Microcontrollers

The ATMEGA4809-AFR is a low-power microcontroller (MCU) from Microchip Technology's AVR product line. It is based on the enhanced AVR core, which offers high performance and low power consumption. The device is available in a 48-pin QFN package and is suitable for a wide range of applications, including industrial control, medical devices, and IoT devices.

Key Features:

1. CPU: The ATMEGA4809-AFR features an enhanced low-power AVR core with a clock speed of up to 20 MHz.
2. Memory: The device includes 512 KB of In-System Programmable Flash memory, 64 KB of In-System Programmable SRAM, and 4 KB of EEPROM.
3. I/O: The ATMEGA4809-AFR provides 34 general-purpose I/O pins, which can be used for various functions, including digital I/O, PWM, and communication interfaces.
4. Communication Interfaces: The device offers a range of communication interfaces, including a USART, a SPI, and a TWI/I2C interface.
5. Analog-to-Digital Converter (ADC): The ATMEGA4809-AFR includes a 10-bit ADC with up to 16 channels, suitable for measuring various analog signals.
6. Power Management: The device features a range of power-saving modes, including system sleep mode, power-save mode, and standby mode, which help to reduce power consumption in battery-powered applications.
7. Security: The ATMEGA4809-AFR includes a JTAG interface and a debug interface, providing secure debugging and programming capabilities.

Applications:

1. Industrial Control: The ATMEGA4809-AFR can be used in industrial control applications, such as motor control, sensor interfacing, and process control.
2. Medical Devices: The device's low power consumption and robust performance make it suitable for use in medical devices, such as portable monitoring equipment and wearable health devices.
3. IoT Devices: The ATMEGA4809-AFR's communication interfaces and low power consumption make it an ideal choice for IoT devices, such as smart home appliances, environmental sensors, and energy management systems.
4. Automotive Applications: The device's robust performance and low power consumption make it suitable for use in automotive applications, such as infotainment systems, power management, and safety systems.

In summary, the ATMEGA4809-AFR is a versatile and low-power microcontroller from Microchip Technology's AVR product line. Its enhanced AVR core, extensive communication interfaces, and power-saving features make it suitable for a wide range of applications, including industrial control, medical devices, and IoT devices.

ATMEGA4809-AFR Documents

Download datasheets and manufacturer documentation for ATMEGA4809-AFR

Errata :

megaAVR® 0-series Errata      

PCN Assembly/Origin :

New Assembly Site 11/Apr/2023      

Datasheets :

ATmega4808/4809 Datasheet       megaAVR® 0-Series Family      

PCN Packaging :

MBB/Label Chgs 16/Nov/2018      

Design Resources :

ATMEGA4809 Development Tool Selector      

PCN Design/Specification :

ATmega4808/4809 22/Jun/2020       ATmega4808/4809 19/Mar/2021      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH