| Specification of ATMEGA644P-20MQR | |
|---|---|
| Status | Active |
| Series | AVR? ATmega |
| Package | Tape & Reel (TR),Cut Tape (CT),Cut Tape (CT),Digi-Reel? |
| 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 ~ 105C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 44-VFQFN Exposed Pad |
| Supplier Device Package | 44-VQFN (7×7) |
Applications
The ATMEGA644P-20MQR 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: Integrated 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 ATMEGA644P-20MQR?
A1: The ATMEGA644P-20MQR operates at a maximum frequency of up to 20 MHz.
Q2: Is the ATMEGA644P-20MQR 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 ATMEGA644P-20MQR?
A3: The ATMEGA644P-20MQR 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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