| Specification of ATMEGA644-20AU | |
|---|---|
| Status | Active |
| Series | AVR? ATmega |
| Package | Tray |
| Supplier | Microchip Technology |
| Digi-Key Programmable | Verified |
| Core Processor | AVR |
| Core Size | 8-Bit |
| Speed | 20MHz |
| Connectivity | IC, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Number of I/O | 32 |
| Program Memory Size | 64KB (32K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 2K x 8 |
| RAM Size | 4K x 8 |
| Voltage – Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40C ~ 85C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 44-TQFP |
| Supplier Device Package | 44-TQFP (10×10) |
Applications
The ATMEGA644-20AU 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 and wearable technology.
- Automotive: Used in vehicle diagnostics and infotainment systems.
- Medical Devices: Essential in portable medical equipment like blood glucose monitors.
- Embedded Systems: Ideal for applications that require low power consumption and high integration capabilities.
Operating Temperature: -40¡ãC to +85¡ãC
Key Advantages
1. **High Performance Microcontroller:** The ATMEGA644-20AU features a powerful microcontroller unit capable of handling complex tasks efficiently.
2. **Advanced Memory Management:** Equipped with enhanced memory management options, including large flash memory capacity.
3. **Power Efficiency:** Designed with energy-saving modes to reduce power consumption without compromising performance.
4. **Certification Standards:** Meets stringent industrial and automotive standards ensuring reliability and safety.
Frequently Asked Questions
Q1: What is the maximum operating frequency of the ATMEGA644-20AU?
A1: The ATMEGA644-20AU operates at a maximum frequency of up to 16 MHz.
Q2: Is the ATMEGA644-20AU compatible with other microcontrollers from the same series?
A2: Yes, it is fully compatible with other microcontrollers from the ATmega series, allowing for easy integration into existing projects.
Q3: In which specific scenarios would you recommend using the ATMEGA644-20AU over other microcontrollers?
A3: The ATMEGA644-20AU is recommended for applications requiring high integration capabilities and advanced memory management features, such as automotive diagnostics and advanced consumer electronics.
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