| Specification of ATMEGA644PA-MN | |
|---|---|
| Status | Active |
| Series | AVR? ATmega |
| Package | Bulk |
| Supplier | Rochester Electronics, LLC |
| 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 ~ 105C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 44-VFQFN Exposed Pad |
| Supplier Device Package | 44-VQFN (7×7) |
Applications
The ATMEGA644PA-MN microcontroller 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 managing sensor inputs and controlling actuators, ensuring reliability under harsh conditions.
Key Advantages
1. Operating temperature range from -40¡ãC to +85¡ãC, making it ideal for extreme environments.
2. Integrated ADC with high resolution, supporting up to 12-bit conversion accuracy.
3. Low power consumption modes that reduce energy usage significantly, extending battery life in portable devices.
4. Compliance with automotive standards such as ISO 26262, enhancing safety and reliability in automotive applications.
Frequently Asked Questions
Q1: Can the ATMEGA644PA-MN be used in automotive applications?
A1: Yes, it is compliant with automotive standards like ISO 26262, making it suitable for automotive applications requiring high safety and reliability.
Q2: What are the power efficiency metrics of the ATMEGA644PA-MN?
A2: The ATMEGA644PA-MN operates at very low current consumption during sleep mode, which helps in conserving battery life in portable devices.
Q3: In which specific scenarios does the ATMEGA644PA-MN excel?
A3: The ATMEGA644PA-MN excels in scenarios requiring precise analog-to-digital conversions and robust performance in varying environmental conditions, such as industrial monitoring systems and automotive control units.
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