Microchip Technology

ATMEGA644P-20PU  

Microcontrollers

Microchip Technology's ATMEGA644P-20PU is a type of microcontroller unit (MCU) that is commonly used in a variety of applications. Here is a description of the ATMEGA644P-20PU, including its features and applications:

Description:

The ATMEGA644P-20PU is a low-power, high-performance 8-bit microcontroller based on the AVR enhanced RISC architecture. It features 64 Kbytes of in-system programmable Flash memory, 4 Kbytes of EEPROM, and 4 Kbytes of SRAM. The device operates at a frequency of up to 20 MHz and is available in a 40-pin TQFP package.

Features:

Some of the key features of the ATMEGA644P-20PU include:

1. 64 Kbytes of in-system programmable Flash memory
2. 4 Kbytes of EEPROM
3. 4 Kbytes of SRAM
4. 40 general purpose I/O lines
5. 23 programmable peripheral interfaces
6. On-chip debug system
7. Three precision voltage references
8. Internal and external interrupts
9. Three 16-bit timer/counters
10. UART, SPI, and I2C serial communication interfaces

Applications:

The ATMEGA644P-20PU is suitable for a wide range of applications, including:

1. Industrial control systems
2. Medical equipment
3. Home automation systems
4. Automotive control systems
5. Portable devices
6. Data acquisition systems
7. Battery management systems
8. Smart sensors
9. Security systems
10. Robotics

Overall, the ATMEGA644P-20PU is a versatile and powerful microcontroller that can be used in a variety of applications where high performance and low power consumption are required.

ATMEGA644P-20PU Documents

Download datasheets and manufacturer documentation for ATMEGA644P-20PU

PCN Assembly/Origin :

Mult Dev Assembly 28/May/2020      

Datasheets :

ATmega644P/V Summary       ATmega164_324_644P/V Appendix       ATmega164_324_644P/V Datasheet      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

Design Resources :

ATmega644 Development Tool Selector      

HTML Datasheet :

ATmega644P/V Summary       ATmega164_324_644P/V Datasheet      

PCN Design/Specification :

Marking Chgs 11/Jul/2017       ATMEGA Datasheet 12/Dec/2018      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH