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ATMEGA4809-AU The ATMEGA4809-AU is an 8-bit AVR microcontroller from Microchip Technology with 48KB Flash memory, 6KB RAM, and 256B EEPROM. It operates at up to 20MHz and is housed in a 48-TQFP package.
Mfr Part #:

ATMEGA4809-AU

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATMEGA4809-AU is an 8-bit AVR microcontroller from Microchip Technology with 48KB Flash memory, 6KB RAM, and 256B EEPROM. It operates at up to 20MHz and is housed in a 48-TQFP package.
✓ Total Stock: 5,025 pcs

ATMEGA4809-AU Available from 2 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
3,314 pcs
On Request
3314 pcs On Request 1 On Request On Request On Request On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
1,711 pcs
On Request
1711 pcs On Request 1 On Request On Request On Request On Request On Request
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ATMEGA4809-AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Lead Style
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Voltage
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ATMEGA4809-AU Description

Short technical summary and product information.

The ATMEGA4809-AU is a member of Microchip Technology's megaAVR 0-series of microcontrollers, featuring an 8-bit AVR core with hardware multiplier running at up to 20MHz. It offers 48KB of Flash program memory, 6KB of SRAM, and 256 bytes of EEPROM, providing ample storage for embedded applications.

 

This microcontroller includes a rich set of peripherals such as I²C, SPI, and UART/USART connectivity, along with 16-channel 10-bit analog-to-digital converter, brown-out detect/reset, power-on reset, PWM, and watchdog timer. With 41 general-purpose I/O lines and an internal oscillator, it offers flexibility for a wide range of control and monitoring tasks.

 

The device is supplied in a 48-TQFP (7x7mm) package and supports surface mount assembly. It operates over a supply voltage range of 1.8V to 5.5V and a temperature range of -40°C to +85°C, making it suitable for industrial and commercial environments.

ATMEGA4809-AU Quick Information

Product Type: Microcontroller
Series: ATmega4809
Canonical Name: Microchip Technology ATMEGA4809-AU AVR 8-bit Microcontroller
Subcategory: AVR Microcontrollers

ATMEGA4809-AU Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ATMEGA4809-AU Features

  • 8-bit AVR core running at 20MHz.
  • 48KB Flash program memory with 6KB SRAM.
  • 256 bytes of EEPROM for non-volatile data.
  • 41 general-purpose I/O lines in 48-TQFP package.
  • I²C, SPI, and UART/USART serial communication interfaces.

ATMEGA4809-AU Applications

  • Ideal for industrial control and automation systems.
  • Suitable for sensor interfacing and data acquisition.
  • Used in consumer electronics and IoT edge devices.
  • Applicable in motor control and PWM-driven applications.

ATMEGA4809-AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATMEGA4809-AU?

The ATMEGA4809-AU operates from 1.8V to 5.5V.

What package does the ATMEGA4809-AU come in?

The ATMEGA4809-AU is supplied in a 48-TQFP (7x7mm) package for surface mount assembly.

What is the operating temperature range of the ATMEGA4809-AU?

The ATMEGA4809-AU operates from -40°C to +85°C (TA).

Is the ATMEGA4809-AU RoHS compliant?

The ATMEGA4809-AU is listed as RoHS3 Compliant, though this status is unverified and should be confirmed with the manufacturer.

How much Flash memory does the ATMEGA4809-AU have?

The ATMEGA4809-AU has 48KB of Flash program memory.

What communication interfaces are available on the ATMEGA4809-AU?

The ATMEGA4809-AU supports I²C, SPI, and UART/USART serial communication interfaces.

How many I/O pins does the ATMEGA4809-AU have?

The ATMEGA4809-AU has 41 general-purpose I/O pins.

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