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The ATMEGA644V-10AUR is a microcontroller from ATMEL (now Microchip Technology). Below are its specifications, descriptions, and features:

Specifications:

• Manufacturer: ATMEL (Microchip Technology)
• Core: 8-bit AVR RISC
• Flash Memory: 64KB
• SRAM: 4KB
• EEPROM: 2KB
• Operating Voltage: 1.8V - 5.5V
• Max Clock Speed: 10MHz (at 1.8V - 5.5V)
• Package: 44-pin TQFP (Thin Quad Flat Package)
• I/O Pins: 32
• Timers/Counters: 3 (2x 8-bit, 1x 16-bit)
• PWM Channels: 6
• ADC Channels: 8 (10-bit resolution)
• USART/UART: 2
• SPI: 1
• I2C (TWI): 1
• Operating Temperature: -40°C to +85°C

Descriptions:

The ATMEGA644V-10AUR is a low-power, high-performance microcontroller based on the AVR RISC architecture. It features 64KB of in-system programmable Flash memory, 4KB SRAM, and 2KB EEPROM. It supports a wide operating voltage range (1.8V - 5.5V) and is optimized for embedded applications requiring efficient power consumption and high-speed processing.

Features:

• Advanced RISC Architecture: 131 powerful instructions, most executed in a single clock cycle.
• Low Power Consumption: Multiple sleep modes for energy efficiency.
• Peripheral Features:
• Two USARTs for serial communication.
• Master/Slave SPI interface.
• Byte-oriented Two-Wire Interface (TWI/I2C).
• Six PWM channels for motor control and signal generation.
• 8-channel 10-bit ADC for analog signal processing.
• Robust Debugging: On-chip debug interface (debugWIRE).
• Flexible Clocking Options: Internal calibrated oscillator, external crystal, or resonator support.
• Wide Operating Voltage: Suitable for battery-powered applications.

This microcontroller is commonly used in industrial control, automation, consumer electronics, and IoT applications.