Microchip Technology ATMEGA6450A-AUR

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATmega
Packaging Cut Tape (CT) | Tape & Reel (TR)
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity SPI, UART/USART, USI
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 69
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 -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 100-TQFP (14x14)
Package / Case 100-TQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATMEGA6450A-AUR from Microchip Technology is a high-performance 8-bit AVR microcontroller designed for demanding embedded applications. With a 20 MHz clock speed, 64KB of flash memory, and 4KB of SRAM, it delivers efficient processing for complex tasks. Its wide supply voltage range of 1.8V to 5.5V ensures flexibility in various power environments, while integrated features like brown-out detection, power-on reset, PWM, and watchdog timer enhance system reliability. Housed in a 100-TQFP package, this MCU operates reliably across -40°C to 85°C, making it suitable for industrial, automotive, and consumer electronics.

  • Wide Voltage Range (1.8V-5.5V): Enables direct battery operation and compatibility with 3.3V and 5V logic, reducing power supply complexity.
  • High Flash Memory (64KB): Provides ample space for complex firmware, supporting advanced features and over-the-air updates.
  • Integrated Safety Features: Brown-out detection and watchdog timer prevent system failures, ensuring reliable operation in critical applications.
  • Low Power Consumption: Multiple sleep modes and low-voltage operation extend battery life in portable devices.
  • Robust Temperature Range: -40°C to 85°C operation suits harsh industrial and automotive environments.

Industrial Control Systems

The ATMEGA6450A-AUR's 20 MHz AVR core and 64KB flash enable complex control algorithms for motor control and process automation, with 4KB SRAM handling real-time data.

Smart Sensors

With a wide voltage range (1.8V-5.5V) and low-power modes, it is ideal for smart sensors in IoT nodes, ensuring long battery life while processing analog signals.

Home Automation

Its PWM channels and WDT support reliable operation in home automation hubs, managing lighting, HVAC, and security systems with robust performance.

Portable Medical Devices

The low-voltage operation and brown-out detection make it suitable for portable medical monitors, ensuring safe and stable operation in critical health applications.

Automotive Aftermarket

Operating from -40°C to 85°C, it can be used in automotive diagnostic tools and telematics units, providing reliable performance in harsh environments.

Data Logging Systems

With 64KB flash and 4KB RAM, it can store extensive logs in environmental monitoring systems, while the WDT ensures data integrity during long deployments.

Q: What is the maximum operating frequency of the ATMEGA6450A-AUR?
A: The ATMEGA6450A-AUR operates at up to 20 MHz.
Q: What is the supply voltage range?
A: It supports 1.8V to 5.5V, making it suitable for battery-powered applications.
Q: How much flash memory does it have?
A: It features 64KB of in-system programmable flash memory.
Q: What package is available?
A: It comes in a 100-TQFP package.
Q: Does it include a watchdog timer?
A: Yes, it has a built-in watchdog timer (WDT) for system reliability.
Base Product Number : ATMEGA6450A
20MHz 4KB RAM 64KB flash 8-bit MCU AVR industrial IoT low power microcontroller PWM TQFP-100 WDT
Q: What is the maximum operating frequency of the ATMEGA6450A-AUR?
A: The ATMEGA6450A-AUR operates at up to 20 MHz.
Q: What is the supply voltage range?
A: It supports 1.8V to 5.5V, making it suitable for battery-powered applications.
Q: How much flash memory does it have?
A: It features 64KB of in-system programmable flash memory.
Q: What package is available?
A: It comes in a 100-TQFP package.
Q: Does it include a watchdog timer?
A: Yes, it has a built-in watchdog timer (WDT) for system reliability.