Microchip Technology

ATMEGA644PA-AU  

Microcontrollers

Microchip Technology's ATMEGA644PA-AU is a low-power, high-performance 8-bit microcontroller that belongs to the AVR Enhanced series. It is designed for a wide range of applications, including industrial control, automotive systems, and portable devices.

Description:

The ATMEGA644PA-AU features a high-density, non-volatile PicoPower technology that enables it to operate at low power consumption levels. It has a 16 MHz maximum operating frequency and is equipped with 64 KB of In-System Programmable Flash memory, 4 KB of In-System Programmable SRAM, and 2 KB of EEPROM.

Features:

1. 8-bit AVR microcontroller with enhanced Harvard architecture
2. 16 MHz maximum operating frequency
3. 64 KB of In-System Programmable Flash memory
4. 4 KB of In-System Programmable SRAM
5. 2 KB of EEPROM
6. 44 general-purpose I/O lines
7. 32 general-purpose working registers
8. Nested interrupt controller with 16 priority levels
9. On-chip debug system with JTAG interface
10. Internal calibrated oscillator
11. Sleep mode to reduce power consumption
12. Wake-up on touch and wake-up on ACom (analog comparator)
13. Programmable watchdog timer
14. Programmable clock output
15. SPI, TWI, and USART interfaces

Applications:

The ATMEGA644PA-AU is suitable for a wide range of applications, including:

1. Industrial control systems
2. Automotive systems
3. Portable devices
4. Smart sensors and actuators
5. Home automation and security systems
6. Medical equipment
7. Data acquisition and signal processing systems
8. Battery-powered devices
9. Low-power embedded systems
10. General-purpose microcontroller applications
    The ATMEGA644PA-AU's combination of low power consumption, high performance, and a wide range of features make it an ideal choice for many embedded applications.

ATMEGA644PA-AU Documents

Download datasheets and manufacturer documentation for ATMEGA644PA-AU

Errata :

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

PCN Assembly/Origin :

Fabrication Site 27/Sep/2023      

Datasheets :

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

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/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