The ATTINY44V-XU is an 8-bit AVR microcontroller from Microchip Technology (formerly Atmel). It is part of the tinyAVR family, designed for low-power applications requiring a small footprint and cost-effectiveness.

Applications:

• Sensor control
• Motor control
• Timer applications
• Lighting control
• Remote control systems
• Simple embedded systems
• Battery-powered devices

Features:

• AVR 8-bit RISC architecture.
• 4 KB of Flash memory.
• 256 bytes of SRAM.
• 256 bytes of EEPROM.
• 12 general-purpose I/O lines.
• 8-bit Timer/Counter with two PWM channels.
• 10-bit ADC (Analog-to-Digital Converter).
• Analog Comparator.
• USI (Universal Serial Interface) for SPI and I2C communication.
• Low power consumption.
• Operating voltage of 1.8V - 5.5V.
• Available in SOIC and QFN packages.

Benefits:

• Low power consumption makes it ideal for battery-powered applications.
• Small size and cost-effectiveness make it suitable for space-constrained and budget-sensitive designs.
• Rich set of peripherals allows for flexible system integration.
• Easy to program and debug using AVR development tools.
• Robust performance and reliability.

Additional Details:

The ATTINY44V-XU operates over a temperature range of -40°C to +85°C. The ADC has a resolution of 10 bits and can measure up to 11 analog input channels. The USI can be configured as either SPI or I2C master or slave. The device includes a watchdog timer for increased system reliability. It supports various power-saving modes including sleep mode and power-down mode. The AVR architecture is known for its efficient code execution and deterministic timing. The device is supported by Microchip's MPLAB X IDE and Atmel Studio development environments.