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ATMEGA644PA-MU Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
ATMEGA644PA-MUMICROCHIP1800Yes

ATMEGA644PA-MU** is a microcontroller from **Microchip Technology** based on the **AVR RISC architecture**.

The ATMEGA644PA-MU is a microcontroller from Microchip Technology based on the AVR RISC architecture. Below are its specifications, descriptions, and features:

Manufacturer:

  • MICROCHIP

Specifications:

  • Core: 8-bit AVR
  • Flash Memory: 64KB
  • SRAM: 4KB
  • EEPROM: 2KB
  • Clock Speed: Up to 20 MHz
  • Operating Voltage: 1.8V – 5.5V
  • Package: QFN-44 (7x7mm)
  • I/O Pins: 32
  • ADC Channels: 8 (10-bit resolution)
  • Timers:
  • 2x 8-bit timers
  • 2x 16-bit timers
  • PWM Channels: 6
  • Communication Interfaces:
  • USART (2x)
  • SPI
  • I²C (TWI)
  • Watchdog Timer: Yes
  • Power-on Reset (POR) & Brown-out Detection (BOD): Yes
  • Operating Temperature Range: -40°C to +85°C

Descriptions:

The ATMEGA644PA-MU is a low-power, high-performance microcontroller with picoPower technology, making it suitable for battery-operated and energy-efficient applications. It features a rich peripheral set, including ADC, PWM, USART, SPI, and I²C, making it ideal for embedded control applications.

Features:

  • Advanced RISC Architecture (131 instructions, mostly single-cycle execution)
  • Low Power Consumption (Active, Idle, and Power-down modes)
  • On-chip Debug Interface (debugWIRE)
  • Self-Programmable Flash Memory
  • Internal Calibrated Oscillator
  • JTAG Interface for Programming & Debugging
  • Wide Operating Voltage (1.8V – 5.5V)
  • High Endurance Non-Volatile Memory

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

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