Microchip Technology

ATMEGA644A-PU  

Microcontrollers

The ATMEGA644A-PU is a microcontroller unit (MCU) manufactured by Microchip Technology. It is a part of the AVR Enhanced series of MCUs, which are known for their high performance, low power consumption, and advanced features.

Description:

The ATMEGA644A-PU is an 8-bit MCU 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 1.8-5.5V.

Features:

1. Enhanced Core: The ATMEGA644A-PU features an enhanced core with a 32-bit RISC architecture, which provides high performance and low power consumption.
2. Memory: The MCU has 64 Kbytes of In-System Programmable Flash memory, 4 Kbytes of In-System Programmable SRAM, and 2 Kbytes of In-System Programmable EEPROM.
3. I/O Ports: The ATMEGA644A-PU has 34 general-purpose I/O pins, which can be used for a variety of applications.
4. Timers and PWM: The MCU features a range of timers and PWM channels, which can be used for precise control of external devices.
5. Communication Interfaces: The ATMEGA644A-PU has a range of communication interfaces, including a UART, SPI, and I2C.
6. ADC: The MCU has a 10-bit ADC with up to 8 channels, which can be used for analog signal processing.
7. Security: The ATMEGA644A-PU features a JTAG interface and a bootloader, which can be used to provide secure firmware updates.

Applications:

The ATMEGA644A-PU is a versatile MCU that can be used in a wide range of applications, including:

1. Industrial Control: The MCU's high performance and low power consumption make it well-suited for industrial control applications, such as motor control and sensor monitoring.
2. Medical Devices: The ATMEGA644A-PU's advanced features and security options make it an ideal choice for medical devices, such as portable monitoring equipment and diagnostic devices.
3. Consumer Electronics: The MCU can be used in a range of consumer electronics, including home automation systems, portable devices, and gaming consoles.
4. Automotive: The ATMEGA644A-PU can be used in automotive applications, such as engine control units, infotainment systems, and safety systems.
5. IoT Devices: The MCU's low power consumption and advanced features make it well-suited for IoT devices, such as smart home devices and wearables.

Overall, the ATMEGA644A-PU is a high-performance, low-power MCU with a range of features and applications that make it an ideal choice for a variety of applications.

ATMEGA644A-PU Documents

Download datasheets and manufacturer documentation for ATMEGA644A-PU

PCN Assembly/Origin :

ATMEGAyy Test Site 18/Dec/2023      

Datasheets :

ATmega164A/PA/324A/PA/644A/PA/1284/P      

PCN Packaging :

Boxes 07/Dec/2016       Transfer to Microchip/Label/Pkg 5/Sep/2016      

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