| Specification of ATMEGA644P-20AUR | |
|---|---|
| Status | Active |
| Series | AVR? ATmega |
| Package | Tape & Reel (TR),Cut Tape (CT),Digi-Reel? |
| Supplier | Microchip Technology |
| Digi-Key Programmable | Not Verified |
| Core Processor | ARM7 |
| Core Size | 16/32-Bit |
| Speed | 55MHz |
| Connectivity | CANbus, Ethernet, IC, SPI, SSC, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | 62 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | – |
| RAM Size | 32K x 8 |
| Voltage – Supply (Vcc/Vdd) | 1.65V ~ 1.95V |
| Data Converters | A/D 8x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40C ~ 85C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 100-LQFP |
| Supplier Device Package | 100-LQFP (14×14) |
Applications
The ATMEGA644P-20AUR microcontroller 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.
- Home Automation Systems: Used in smart home devices that manage lighting, security, and appliances.
- Medical Devices: Employed in portable medical equipment such as blood glucose monitors and ECG machines.
- Automotive Electronics: Integrated into vehicle diagnostics tools and infotainment systems.
- Consumer Electronics: Found in digital cameras, MP3 players, and other small electronic gadgets.
Operating Temperature: -40¡ãC to +85¡ãC
Key Advantages
1. **High Performance:** Equipped with a powerful 8-bit RISC processor running at up to 16 MHz.
2. **Advanced Memory Management Unit (MMU):** Supports up to 64 KB of program memory and 128 KB of data memory.
3. **Power Efficiency:** Designed with low-power modes to extend battery life in portable devices.
4. **Certification Standards:** Meets automotive and industrial safety standards, ensuring reliable operation in demanding environments.
Frequently Asked Questions
Q1: What is the maximum operating temperature range for the ATMEGA644P-20AUR?
A1: The ATMEGA644P-20AUR operates within a temperature range from -40¡ãC to +85¡ãC, making it suitable for both cold and hot environments.
Q2: Can the ATMEGA644P-20AUR be used in automotive applications?
A2: Yes, the ATMEGA644P-20AUR meets automotive safety standards, making it appropriate for use in automotive electronics.
Q3: In which specific scenarios would you recommend using the ATMEGA644P-20AUR?
A3: The ATMEGA644P-20AUR is ideal for applications requiring high reliability and performance, such as industrial automation systems, medical devices, and automotive electronics.
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