Mcu, 8Bit, Atmega, 16Mhz, Tqfp-64; Product Range:Avr Atmega Family Atmega64 Series Microcontrollers; Cpu Speed:16Mhz; Program Memory Size:64Kb; Ram Memory Size:4Kb; No. Of Pins:64Pins; Mcu Case Style:Tqfp; No. Of I/O S:53I/O S; Rohs Compliant: Yes |Microchip ATMEGA64A-AU

ATMEGA64A-AU – 8-Bit AVR Microcontroller with 64KB Flash – Microchip Technology

Optimize your embedded designs with the Microchip ATMEGA64A-AU microcontroller. This high-performance 8-bit AVR® MCU delivers robust processing capabilities, versatile connectivity, and ultra-low power consumption, making it ideal for demanding industrial and consumer applications. PCX supplies authentic Microchip components with same-day shipping and dedicated technical support.

Key Features

• Core: 8-Bit AVR RISC Processor @ 16MHz
• Memory: 64KB Flash, 4KB SRAM, 2KB EEPROM
• Voltage Range: 2.7V – 5.5V (Low-Power Operation)
• I/O Pins: 53 Programmable Digital I/Os
• Connectivity: I2C, SPI, Dual UART/USART
• Analog: 8-Channel 10-bit ADC
• Operating Temp: -40°C to +85°C (Industrial Grade)

Technical Details

The ATMEGA64A-AU features a Harvard architecture with 32K x 16 FLASH organization for efficient code execution. Integrated peripherals include Power-on Reset (POR), programmable Watchdog Timer (WDT), Brown-out Detection (BOD), and four PWM channels. Its internal oscillator eliminates external clock components, while the 64-TQFP package (14x14mm) enables compact surface-mount designs. Verified programmable via SPI, this active-status IC supports rapid prototyping.

Typical Applications

• Industrial Control Systems (PLCs, Sensor Hubs)
• Consumer Electronics (Smart Home Devices, IoT)
• Automotive Accessories (Diagnostic Tools, Lighting)
• Medical Monitoring Equipment
• Motor Control & Power Management

About Microchip Technology

Microchip Technology is a global leader in microcontroller and analog semiconductor solutions, renowned for innovation in embedded control systems. With over 30 years of industry expertise, their products set benchmarks for reliability across automotive, industrial, and consumer markets.

Microchip’s rigorous quality testing and long-term product lifecycle commitment ensure design stability. The AVR® ATmega series, including this ATMEGA64A-AU, exemplifies their dedication to energy-efficient, high-performance processing.

About Microcontrollers

Microcontrollers (MCUs) are integrated circuits that serve as the computational core in embedded systems. Combining a processor, memory, and programmable I/Os on a single chip, they enable precise control of electronic devices while minimizing power consumption and footprint.

8-bit MCUs like the ATMEGA64A-AU balance processing power with cost-effectiveness for real-time control tasks. Their versatility makes them indispensable in automation, IoT, and portable electronics where responsiveness and low-energy operation are critical.

Packaging

Available in protective Tray packaging for automated assembly. Contact PCX for reel options or bulk quantities.

FAQs

Q: Is this MCU suitable for battery-powered devices?
A: Yes, its 2.7-5.5V operating range and sleep modes extend battery life.

Q: Can I use Arduino IDE for programming?
A: Yes, via ISP programming headers. Refer to the datasheet for pin mapping.

Q: Does it support real-time debugging?
A: Yes, via JTAG interface (external debugger required).

Q: What’s the difference between ATmega64 and ATmega64A?
A: The “A” revision offers lower power consumption and improved manufacturing process.

Q: Is the internal oscillator calibration accurate?
A: Factory-calibrated to ±1% at 25°C and 3V, suitable for UART communication.

Q: Can PCX provide samples?
A: Yes, PCX offers samples for qualified design projects.

Note: Product images are representational. Refer to datasheet for exact specifications.

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