Specification of ATMEGA644A-MU | |
---|---|
Status | Active |
Series | AVR? ATmega |
Package | Tray |
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-VFQFN Exposed Pad |
Supplier Device Package | 44-VQFN (7×7) |
Applications
The ATMEGA644A-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.
- Medical Devices: Used in portable medical equipment that demands low power consumption and high accuracy.
- Automotive Systems: Integrates into vehicle electronics for safety and comfort features.
- Embedded Systems: Employed in a wide range of embedded applications from consumer gadgets to industrial machinery.
Operating Temperature: -40¡ãC to +85¡ãC
Key Advantages
1. **High Performance Microcontroller:** Equipped with a powerful 8-bit microcontroller designed for efficient processing tasks.
2. **Advanced Memory System:** Features a large Flash memory capacity allowing extensive program storage.
3. **Power Efficiency:** Optimized for low-power operation, making it suitable for battery-powered applications.
4. **Certification Standards:** Meets stringent industry certifications ensuring compliance with international standards.
Frequently Asked Questions
Q1: What is the maximum operating frequency of the ATMEGA644A-MU?
A1: The ATMEGA644A-MU operates at a maximum frequency of up to 16 MHz.
Q2: Is the ATMEGA644A-MU compatible with other microcontrollers?
A2: Yes, it is compatible with most standard microcontroller peripherals and can be interfaced with other microcontrollers through specific protocols.
Q3: In which specific scenarios would you recommend using the ATMEGA644A-MU?
A3: The ATMEGA644A-MU is recommended for applications requiring a balance between performance and power efficiency, such as in portable electronic devices and small-scale automation projects.
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