Overview
The ATMEGA644-20AUR is an 8-bit AVR microcontroller produced by Microchip Technology. This device is part of the AVR ATmega series and is known for its high performance, low power consumption, and robust feature set. The ATMEGA644-20AUR is housed in a 44-pin TQFP package and operates at a maximum frequency of 20 MHz. It is designed to be versatile and reliable, making it suitable for a wide range of applications, from simple embedded systems to more complex designs.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | AVR 8-bit RISC |
| Program Memory Size | 64KB (32K x 16) Flash |
| RAM Size | 4K x 8 |
| EEPROM Size | 2K x 8 |
| Operating Temperature | -40°C to +85°C |
| Supply Voltage | 2.7 V to 5.5 V |
| Maximum Frequency | 20 MHz |
| Package/Case | 44-TQFP (10x10) |
| Number of I/O | 32 |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Lead Free Status / RoHS Status | Lead Free / RoHS Compliant |
Key Features
- High Performance: The ATMEGA644-20AUR features an 8-bit AVR RISC core, providing efficient execution of instructions.
- Low Power Consumption: Designed to operate at low power levels, making it suitable for battery-powered devices.
- Robust Memory: Includes 64KB of Flash memory, 4KB of SRAM, and 2KB of EEPROM.
- Advanced Peripherals: Equipped with brown-out detect/reset, power-on reset (POR), PWM, and a watchdog timer (WDT).
- Flexible Communication: Supports I²C, SPI, and UART/USART communication protocols.
- Operating Range: Operates over a wide temperature range from -40°C to +85°C.
Applications
- Embedded Systems: Ideal for various embedded system applications due to its versatility and robust feature set.
- Industrial Automation: Used in industrial automation for control and monitoring systems.
- Consumer Electronics: Found in consumer electronics such as remote controls, appliances, and gaming devices.
- Automotive Systems: Used in automotive systems for control and monitoring functions.
- Medical Devices: Suitable for medical devices requiring precise control and low power consumption.
Q & A
- What is the core processor of the ATMEGA644-20AUR?
The core processor is an 8-bit AVR RISC.
- What is the maximum operating frequency of the ATMEGA644-20AUR?
The maximum operating frequency is 20 MHz.
- What is the package type of the ATMEGA644-20AUR?
The package type is 44-TQFP (10x10).
- What are the supported communication protocols?
The device supports I²C, SPI, and UART/USART communication protocols.
- What is the operating temperature range of the ATMEGA644-20AUR?
The operating temperature range is -40°C to +85°C.
- How much program memory does the ATMEGA644-20AUR have?
The device has 64KB (32K x 16) of Flash program memory.
- Is the ATMEGA644-20AUR RoHS compliant?
- What peripherals are available on the ATMEGA644-20AUR?
The device includes brown-out detect/reset, POR, PWM, and a watchdog timer (WDT).
- How much RAM does the ATMEGA644-20AUR have?
The device has 4KB of SRAM.
- What is the EEPROM size of the ATMEGA644-20AUR?
The device has 2KB of EEPROM.
