| Specification of ATMEGA644-20PU | |
|---|---|
| Status | Active |
| Series | AVR? ATmega |
| Package | Tube |
| Supplier | Microchip Technology |
| 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 | Through Hole |
| Package / Case | 40-DIP (0.600″, 15.24mm) |
| Supplier Device Package | 40-PDIP |
Applications
The ATMEGA644-20PU 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 diagnostic tools that need reliable operation under varying conditions.
- Automotive Systems: Integrated into vehicle electronics for safety features and diagnostics.
- Embedded Systems: Employed in a variety of embedded applications where low power consumption and high functionality are crucial.
Operating Temperature: -40¡ãC to +85¡ãC
Key Advantages
1. **High Performance Microcontroller:** The ATMEGA644-20PU offers a powerful microcontroller with advanced peripherals and memory options.
2. **Enhanced Security Features:** Includes hardware-based encryption capabilities for secure communication and data protection.
3. **Power Efficiency:** Designed with low-power 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 differences between the ATMEGA644-20PU and other similar microcontrollers?
A1: The ATMEGA644-20PU stands out due to its enhanced security features and improved power management capabilities compared to standard microcontrollers.
Q2: Can the ATMEGA644-20PU be used in automotive applications?
A2: Yes, it can be used in automotive applications but requires compliance with specific automotive certification standards such as ISO 26262.
Q3: In which specific scenarios would you recommend using the ATMEGA644-20PU?
A3: The ATMEGA644-20PU is recommended for applications requiring high security levels, such as medical devices and automotive systems, where reliability and safety are paramount.
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