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Microchip 8-bit AVR ATmega Microcontroller 20 MHz 48kB FLASH 48-Pin TQFP ATMEGA4809-AFR
Specifications
| Country of Origin | Taiwan |
|---|---|
| Brand | Microchip |
| Height | 1.05mm |
| Length | 7mm |
| Model | ATMEGA4809-AFR |
| Width | 7mm |
| Mount Type | Surface |
| Series | Atmega |
| Maximum Operating Temperature | 125°C |
| Package Type | TQFP |
| Minimum Operating Temperature | -40°C |
| Ram size | 6kB |
| Standards/Approvals | RoHS |
| Pin Count | 48 |
| Maximum Supply Voltage | 5.5V |
| Minimum Supply Voltage | 1.8V |
| Device Core | AVR |
| Program Memory Size | 48kB |
| Maximum Clock Frequency | 20MHz |
| Number of Programmable I/Os | 41 |
| Analogue Comparators | 1 |
| Number of Timers | 1 |
| Instruction Set Architecture | RISC |
| ADCs | 16 x 10 Bit |
| Program Memory Type | FLASH |
Key Features
- Operates with an 8-bit AVR device core for efficient processing.
- Equipped with 48kB of flash program memory and 6kB of internal SRAM.
- Features a maximum operating voltage of 5.5V and supports a minimum of 1.8V.
- Includes a 16-channel 10-bit Analog-to-Digital Converter (ADC) and a real-time counter.
- Supports multiple communication peripherals including three USARTs with advanced baud rate features.
- Built with a watchdog timer and programmable brown-out detection for reliability.
- Designed for operation between -40°C and 125°C, suitable for industrial environments.
- Offers low power consumption with various sleep modes including idle, power-down, and standby.
Product Description
Microchip ATMEGA4809-AFR 8-bit AVR microcontroller is designed for embedded system applications requiring robust performance and low power consumption. Featuring a 20 MHz maximum clock frequency and 48kB FLASH memory, it offers efficient program execution within a compact 48-pin TQFP package. The device includes a 6kB internal SRAM and 256 bytes of EEPROM for flexible data storage.
This microcontroller operates over a wide voltage range from 1.8V to 5.5V and is rated for a broad temperature range of -40°C to 125°C, making it suitable for industrial and automotive applications. Its capabilities include 16 channels of 10-bit ADC, a watchdog timer, and a real-time counter which are essential for precise system monitoring and control.
The ATMEGA4809-AFR integrates three USART interfaces with fractional baud rate generators supporting auto baud and start-of-frame detection, enhancing reliable communication for complex data transfer. It also features a configurable custom logic module and advanced event system for core-independent peripheral operations.
Additional functional benefits include a hardware multiplier for efficient math operations, JTAG interface for on-chip debugging, cyclic redundancy check mechanisms, and multiple sleep modes reducing power consumption during idle periods. The device supports programming and debugging via a single unified pin interface (UPDI).
Operates at 20 MHz with 8-bit AVR core architecture. Contains 48kB FLASH program memory and 6kB internal SRAM. Supports 41 programmable I/O pins and one 16-bit timer. Analog comparator and 16 x 10-bit ADC channels enable sensor interfacing.
Low power features with multiple sleep modes. Package dimensions: 7 mm width x 7 mm length x 1.05 mm height. RoHS compliant.
This microcontroller is ideally suited for applications such as embedded systems, PC motherboards, LCD monitors, portable hubs, printers, and scanners. Its robust design and comprehensive features facilitate versatile industrial, commercial, and consumer electronics development.
Explore the Microcontrollers category on EnvMart for a wide range of semiconductor solutions tailored to your engineering needs.
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Frequently Asked Questions
The maximum clock frequency of this microcontroller is 20 MHz.
It operates over a voltage range from 1.8V to 5.5V.
This microcontroller is equipped with 48kB of FLASH program memory.
The package dimensions are 7 mm in width, 7 mm in length, and 1.05 mm in height.
It features 16 channels of 10-bit Analog-to-Digital Converter (ADC).
The operating temperature range is from -40°C to 125°C, making it suitable for industrial environments.
It comes in a 48-pin TQFP (Thin Quad Flat Package).
Yes, it includes one 16-bit timer for various timing applications.
It supports three USART interfaces with advanced baud rate features for reliable communication.
Yes, this microcontroller is RoHS compliant.
It has an internal SRAM size of 6kB.
It includes a watchdog timer and programmable brown-out detection for enhanced reliability.
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