| Specification of ATMEGA644PV-20AU | |
|---|---|
| Status | Obsolete |
| 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) | 1.8V ~ 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 ATMEGA644PV-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.
- 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 control modules.
- Consumer Electronics: Commonly found in digital cameras and other consumer gadgets demanding efficient processing capabilities.
Operating Temperature: -40¡ãC to +85¡ãC
Key Advantages
1. **High Performance Microcontroller:** Equipped with a powerful 8-bit microcontroller designed for high-speed operations.
2. **Advanced Memory Management:** Features enhanced memory management options including multiple RAM types and large flash memory capacity.
3. **Power Efficiency:** Optimized for low-power consumption, making it suitable for battery-operated devices.
4. **Certification Standards:** Meets stringent industrial standards ensuring reliability and safety in diverse environments.
Frequently Asked Questions
Q1: What is the maximum operating frequency of the ATMEGA644PV-20AU?
A1: The ATMEGA644PV-20AU can operate at frequencies up to 16 MHz, providing sufficient speed for most embedded system applications.
Q2: Is the ATMEGA644PV-20AU compatible with other microcontrollers from the same series?
A2: Yes, the ATMEGA644PV-20AU 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 ATMEGA644PV-20AU over other microcontrollers?
A3: The ATMEGA644PV-20AU is recommended for applications requiring high precision and stability, such as industrial automation and medical devices, due to its superior performance and reliability.
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