Product Overview: ATMEGA644PA-PU

The ATMEGA644PA-PU is a high-performance microcontroller unit (MCU) from the popular ATmega family, produced by Microchip Technology. This 8-bit MCU is based on the AVR enhanced RISC architecture, which provides a perfect blend of power efficiency and processing capability. The device operates at a maximum frequency of 20MHz and is equipped with a substantial 64KB in-system programmable flash memory, making it suitable for a wide range of applications.

Key Features

• Advanced RISC Architecture: With 32 x 8 general-purpose working registers, the ATMEGA644PA-PU executes powerful instructions in a single clock cycle, enabling throughputs approaching 1 MIPS per MHz.
• Memory: This MCU boasts 64KB of in-system self-programmable flash, 2KB EEPROM, and 4KB SRAM, providing ample space for complex programs and data storage.
• Peripherals: It includes a range of integrated peripherals such as two 8-bit timer/counters, two 16-bit timer/counters, four PWM channels, and a 10-bit ADC with 8 channels, enhancing its functionality for various tasks.
• Communication: The device supports serial communication via USART, SPI, and a two-wire interface (TWI), allowing for easy integration with other components and systems.
• Power Efficiency: The ATMEGA644PA-PU features multiple power-saving modes, which significantly reduce power consumption during idle periods.

Applications

The versatility of the ATMEGA644PA-PU makes it suitable for an array of applications, including but not limited to:

• Industrial control systems
• Home automation
• Medical devices
• Automotive
• Consumer electronics

Package and Quality

The ATMEGA644PA-PU comes in a 40-pin PDIP (Plastic Dual In-line Package), which is widely used and preferred for prototyping and small-scale production due to its ease of handling and soldering. Microchip Technology ensures high reliability and performance, making this MCU a trusted choice for both hobbyists and professional engineers alike.