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ATMEGA644PA-AUR Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
ATMEGA644PA-AURAtmel14134Yes

ATMEGA644PA-AUR** is a microcontroller from **Atmel** (now part of Microchip Technology).

The ATMEGA644PA-AUR is a microcontroller from Atmel (now part of Microchip Technology). Below are its specifications, descriptions, and features:

Specifications:

  • Core: 8-bit AVR RISC
  • Operating Voltage: 1.8V - 5.5V
  • Clock Speed: Up to 20 MHz
  • Flash Memory: 64 KB
  • SRAM: 4 KB
  • EEPROM: 2 KB
  • I/O Pins: 32
  • ADC Channels: 8 (10-bit resolution)
  • Timers: 3 (Two 8-bit, One 16-bit)
  • PWM Channels: 6
  • Communication Interfaces:
  • USART (2x)
  • SPI
  • I²C (TWI)
  • Package: 44-pin TQFP (AUR suffix)
  • Operating Temperature Range: -40°C to +85°C

Descriptions:

The ATMEGA644PA-AUR is a low-power, high-performance microcontroller based on Atmel’s AVR architecture. It is designed for embedded applications requiring efficient processing, versatile I/O, and robust communication interfaces.

Features:

  • Low Power Consumption: Multiple sleep modes for energy efficiency.
  • In-System Programming (ISP): Supports firmware updates via SPI.
  • JTAG Interface: For debugging and programming.
  • Analog Comparator: Built-in for signal comparison.
  • Watchdog Timer: For system reliability.
  • Hardware Multiplier: Accelerates arithmetic operations.
  • Robust Peripherals: Includes timers, PWM, and ADC for sensor interfacing.

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

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