| Specification of ATMEGA644P-20MU | |
|---|---|
| Status | Active |
| Series | AVR? ATmega |
| Package | Bulk |
| Supplier | Rochester Electronics, LLC |
| Digi-Key Programmable | Not 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-VFQFN Exposed Pad |
| Supplier Device Package | 44-VQFN (7×7) |
Applications
The ATMEGA644P-20MU 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.
- Home Automation Systems: Ideal for smart home devices that need reliable operation under varying conditions.
- Medical Devices: Used in portable medical equipment where power efficiency and low noise levels are critical.
- Automotive Electronics: Employed in vehicle diagnostics and entertainment systems.
- Consumer Electronics: Commonly found in digital cameras and small electronic gadgets.
Operating Temperature: -40¡ãC to +85¡ãC
Key Advantages
1. **High Performance Microcontroller:** The ATMEGA644P-20MU features a powerful microcontroller unit capable of handling complex tasks efficiently.
2. **Enhanced Security Features:** Includes advanced security mechanisms such as hardware encryption and secure boot options.
3. **Power Efficiency:** Designed with low-power consumption modes to extend battery life in portable applications.
4. **Certification Standards:** Meets stringent industrial and automotive standards ensuring reliability and safety.
Frequently Asked Questions
Q1: What are the main security features of the ATMEGA644P-20MU?
A1: The ATMEGA644P-20MU includes hardware encryption and secure boot options to protect against unauthorized access and ensure system integrity.
Q2: Is the ATMEGA644P-20MU suitable for automotive applications?
A2: Yes, it meets the necessary certification standards and can be used in automotive electronics, though specific adaptations may be required depending on the application.
Q3: In which specific scenarios would you recommend using the ATMEGA644P-20MU?
A3: The ATMEGA644P-20MU is recommended for scenarios requiring high performance, enhanced security, and power efficiency, such as industrial automation, medical devices, and consumer electronics.
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