Microchip Technology

ATMEGA644A-AUR  

Microcontrollers

The ATMEGA644A-AUR is a microcontroller unit (MCU) manufactured by Microchip Technology. It is a part of the AVR Enhanced series of microcontrollers and is based on the AVR architecture. The ATMEGA644A-AUR is a high-performance, low-power MCU with a wide range of features and applications.

Description:

The ATMEGA644A-AUR is an 8-bit microcontroller with a high-performance 32-bit RISC architecture. It features 64 Kbytes of In-System Programmable Flash memory, 4 Kbytes of In-System Programmable SRAM, and 2 Kbytes of In-System Programmable EEPROM. The MCU operates at a frequency of up to 20 MHz and has a wide operating voltage range of 1.8-5.5 volts.

Features:

1. 32-bit RISC architecture for high code density and execution speed.
2. 64 Kbytes of In-System Programmable Flash memory for storing program code.
3. 4 Kbytes of In-System Programmable SRAM for data storage and manipulation.
4. 2 Kbytes of In-System Programmable EEPROM for non-volatile data storage.
5. 44 general-purpose I/O lines with optional internal pull-up resistors.
6. 33 programmable timer/counters with up to 16-bit resolution.
7. 2 PWM channels with 8-bit resolution.
8. 8-channel, 10-bit ADC with up to 11 multiplexed inputs.
9. 2-channel USART for serial communication.
10. USB 2.0 interface with low-speed and full-speed operation.
11. Internal voltage reference and temperature sensor.
12. Sleep, power-down, and power-save modes for low-power operation.
13. Brownout detection and reset.
14. Programmable watchdog timer.
15. In-System Programming (ISP) and In-Application Programming (IAP) capabilities.

Applications:

The ATMEGA644A-AUR is suitable for a wide range of applications due to its high performance, low power consumption, and versatile features. Some common applications include:

1. Industrial control systems and automation.
2. Home automation and smart home devices.
3. Medical equipment and portable medical devices.
4. Portable electronics and battery-powered devices.
5. Data acquisition and signal processing systems.
6. Motor control and power management applications.
7. Embedded systems in consumer electronics.
8. Human-Machine Interface (HMI) devices.
9. Security systems and access control devices.
10. Networking and communication devices.

The ATMEGA644A-AUR's combination of performance, memory, and low-power capabilities make it an ideal choice for a variety of embedded applications where efficient processing and resource management are crucial.

ATMEGA644A-AUR Documents

Download datasheets and manufacturer documentation for ATMEGA644A-AUR

PCN Assembly/Origin :

Fabrication Site 27/Sep/2023      

PCN Packaging :

Boxes 07/Dec/2016       MBB/Label Chgs 16/Nov/2018      

Design Resources :

ATmega644 Development Tool Selector      

PCN Design/Specification :

ATMEGA Datasheet 11/Dec/2018       ATmega164A/PA/324A/PA/644A/PA/1284/P 20/Jan/2020      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH