| Specification of ATMEGA644PA-MU | |
|---|---|
| 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) | 1.8V ~ 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 ATMEGA644PA-MU is widely used in various industries due to its robust performance and versatile features. Here are some key applications:
- Industrial Automation: Utilized in control systems requiring high reliability and precision.
- Consumer Electronics: Commonly found in smart home devices like thermostats and security systems.
- Automotive: Used in vehicle diagnostics and infotainment systems.
- Medical Devices: Employed in portable medical equipment that demands precise timing and low power consumption.
- Embedded Systems: Ideal for applications needing a balance between processing power and energy efficiency.
Operating Temperature: -40¡ãC to +85¡ãC
Key Advantages
1. **High Performance Microcontroller:** Equipped with a powerful 8-bit microcontroller designed for efficient multitasking.
2. **Advanced Memory Management:** Features enhanced memory management capabilities, including large Flash and RAM capacities.
3. **Power Efficiency:** Optimized for low-power operation, making it suitable for battery-powered applications.
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 ATMEGA644PA-MU?
A1: The ATMEGA644PA-MU can operate at frequencies up to 16 MHz.
Q2: Is the ATMEGA644PA-MU compatible with other microcontrollers from the same family?
A2: Yes, it is fully backward-compatible with other microcontrollers from the same family, allowing for easy integration into existing projects.
Q3: In which specific scenarios would you recommend using the ATMEGA644PA-MU?
A3: The ATMEGA644PA-MU is recommended for applications requiring both high performance and low power consumption, such as in portable medical devices and battery-operated sensors.
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