| Specification of ATMEGA644P-20PU | |
|---|---|
| Status | Active |
| 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) | 2.7V ~ 5.5V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40C ~ 85C (TA) |
| Mounting Type | Through Hole |
| Package / Case | 40-DIP (0.600″, 15.24mm) |
| Supplier Device Package | 40-PDIP |
Applications
The ATMEGA644P-20PU 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.
- Consumer Electronics: Commonly found in smart home devices and wearable technology.
- Automotive: Used in vehicle diagnostics and infotainment systems.
- Medical Devices: Essential in portable medical equipment like blood glucose monitors.
- Embedded Systems: Ideal for applications that require low power consumption and high processing speed.
Operating Temperature: -40¡ãC to +85¡ãC
Key Advantages
1. **High Performance:** The ATMEGA644P-20PU offers exceptional processing capabilities with a clock frequency up to 16 MHz.
2. **Advanced Memory Management:** Equipped with a powerful memory system supporting both RAM and Flash storage.
3. **Power Efficiency:** Designed with features that significantly reduce power consumption, making it suitable for battery-operated devices.
4. **Certification Standards:** Meets stringent industrial and automotive standards ensuring reliability and safety.
Frequently Asked Questions
Q1: What is the maximum operating temperature range?
A1: The ATMEGA644P-20PU operates within a wide temperature range from -40¡ãC to +85¡ãC, making it suitable for diverse environments.
Q2: Can this microcontroller be used in automotive applications?
A2: Yes, the ATMEGA644P-20PU is certified for automotive use, meeting ISO 26262 safety standards.
Q3: In which specific scenarios would you recommend using this microcontroller?
A3: This microcontroller is recommended for applications requiring high reliability and performance, such as industrial automation, consumer electronics, and automotive systems.
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