| Specification of ATMEGA644A-AU | |
|---|---|
| Status | Active |
| Series | AVR? ATmega |
| Package | Tray |
| Supplier | Microchip Technology |
| Digi-Key Programmable | Not Verified |
| Core Processor | AVR |
| Core Size | 8/16-Bit |
| Speed | 32MHz |
| Connectivity | IC, IrDA, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | 50 |
| Program Memory Size | 384KB (384K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 4K x 8 |
| RAM Size | 32K x 8 |
| Voltage – Supply (Vcc/Vdd) | 1.6V ~ 3.6V |
| Data Converters | A/D 16x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40C ~ 85C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 64-TQFP |
| Supplier Device Package | 64-TQFP (14×14) |
Applications
The ATMEGA644A-AU is widely used in various industries due to its robust performance and reliability. Here are some key applications:
- Industrial Automation: Utilized in control systems requiring high precision and stability.
- Consumer Electronics: Commonly found in smart home devices like thermostats and security systems.
- Medical Devices: Used in portable medical equipment that needs reliable operation under varying conditions.
- Automotive Systems: Integrates into vehicle electronics for safety features and diagnostics.
- Embedded Systems: Employed in embedded applications such as vending machines and industrial robots.
Operating Temperature: -40¡ãC to +85¡ãC
Key Advantages
1. **High Performance Microcontroller:** Equipped with a powerful 8-bit microcontroller designed for efficient processing tasks.
2. **Advanced Memory Management:** Features enhanced memory management capabilities for improved system performance.
3. **Power Efficiency:** Optimized power consumption modes ensure long battery life in portable devices.
4. **Certification Standards:** Meets stringent industry certifications ensuring compliance with international standards.
Frequently Asked Questions
Q1: What are the main differences between the ATMEGA644A-AU and other similar microcontrollers?
A1: The ATMEGA644A-AU stands out due to its advanced memory management and power efficiency features, making it ideal for demanding applications.
Q2: Can the ATMEGA644A-AU be used in environments with extreme temperatures?
A2: Yes, it operates within a wide range of temperatures from -40¡ãC to +85¡ãC, making it suitable for both cold and hot environments.
Q3: In which specific scenarios would you recommend using the ATMEGA644A-AU?
A3: The ATMEGA644A-AU is recommended for applications requiring high reliability and performance, such as industrial automation and automotive systems.
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