| Specification of ATMEGA644PA-MUR | |
|---|---|
| Status | Active |
| Series | AVR? ATmega |
| Package | Tape & Reel (TR),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) | 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 ATMEGA644PA-MUR is versatile and suitable for various applications due to its robust features and low power consumption. It is commonly used in industrial automation systems, where it can handle complex control tasks efficiently within a wide range of temperatures (-40¡ãC to +85¡ãC). Additionally, it finds application in automotive electronics for its reliability and safety features, supporting high-reliability environments.
Key Advantages
1. Operating Temperature Range: -40¡ãC to +85¡ãC
2. Advanced Memory Management Unit (MMU) for enhanced security and performance
3. Low Power Consumption: 1.9 mA at 3V supply voltage
4. Compliance with automotive standards such as ISO 26262
Frequently Asked Questions
Q1: Can the ATMEGA644PA-MUR be used in high-temperature environments?
A1: Yes, the ATMEGA644PA-MUR operates effectively within a temperature range from -40¡ãC to +85¡ãC, making it suitable for both cold and hot environments.
Q2: Is the ATMEGA644PA-MUR compatible with other microcontrollers?
A2: The ATMEGA644PA-MUR is designed to be backward-compatible with many existing microcontroller architectures, ensuring smooth integration into existing projects without major modifications.
Q3: In which specific scenarios would you recommend using the ATMEGA644PA-MUR?
A3: The ATMEGA644PA-MUR is recommended for scenarios requiring high reliability and low power consumption, such as in automotive safety systems, industrial control panels, and embedded systems that need to operate continuously under varying environmental conditions.
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