Specification of ATMEGA645A-AU | |
---|---|
Status | Active |
Series | AVR? ATmega |
Package | Tray |
Supplier | Microchip Technology |
Digi-Key Programmable | Verified |
Core Processor | AVR |
Core Size | 8-Bit |
Speed | 16MHz |
Connectivity | SPI, UART/USART, USI |
Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
Number of I/O | 54 |
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 | 64-TQFP |
Supplier Device Package | 64-TQFP (14×14) |
Applications
The ATMEGA645A-AU is versatile and suitable for various applications across different industries:
- Industrial Automation: Used in control systems requiring high reliability and robust performance.
- Consumer Electronics: Ideal for smart home devices due to its low power consumption and efficient processing capabilities.
- Medical Devices: Suitable for portable medical equipment where size and battery life are critical.
- Automotive Systems: Can be found in vehicle diagnostics and infotainment systems.
- Embedded Systems: Commonly used in embedded applications that require precise timing and low-power operation.
Operating Temperature: -40¡ãC to +85¡ãC
Key Advantages
1. **High Performance Microcontroller:** Equipped with a powerful 8-bit microcontroller designed for demanding applications.
2. **Advanced Memory Management Unit (MMU):** Offers enhanced memory protection and management features.
3. **Power Efficiency:** Designed to operate efficiently at lower voltages, reducing energy consumption.
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 ATMEGA645A-AU?
A1: The ATMEGA645A-AU can operate up to 20 MHz, providing sufficient processing speed for most applications.
Q2: Is the ATMEGA645A-AU compatible with other microcontrollers from the same series?
A2: Yes, it is fully backward-compatible with other microcontrollers from the same series, allowing easy integration into existing projects.
Q3: In which specific scenarios would you recommend using the ATMEGA645A-AU over other microcontrollers?
A3: The ATMEGA645A-AU is recommended for applications requiring high precision and low power consumption, such as in medical devices and automotive systems.
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