Microchip Technology ATMEGA64A-AU
| Parameters | |
|---|---|
| Series | AVR® ATmega |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 64-TQFP |
| Mfr | Microchip Technology |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | 64-TQFP (14x14) |
| Speed | 16MHz |
| Oscillator Type | Internal |
| Core Processor | AVR |
| RAM Size | 4K x 8 |
| Number of I/O | 53 |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| EEPROM Size | 2K x 8 |
| Program Memory Type | FLASH |
| Connectivity | I²C, SPI, UART/USART |
| Core Size | 8-Bit |
| Program Memory Size | 64KB (32K x 16) |
| Data Converters | A/D 8x10b |
| Package | Tray |
| Product Status | Active |
| Base Product Number | ATMEGA64 |
| REACH Status | REACH Unaffected |
| Other Names | ATMEGA64AAU |
| Standard Package | 90 |
| ECCN | EAR99 |
| HTSUS | 8542.31.0001 |
ATMEGA64A-AU 8-Bit AVR Microcontroller
The ATMEGA64A-AU is a high-performance, low-power 8-bit AVR® microcontroller from Microchip Technology (formerly Atmel), designed for embedded applications requiring robust processing capabilities and cost efficiency. Built on the AVR RISC architecture, it integrates 64KB of in-system self-programmable Flash memory, 4KB SRAM, and 2KB EEPROM, enabling flexible firmware updates and data storage. The device operates at up to 16 MHz with a 131 powerful instruction set, delivering 1 MIPS per MHz performance. Its TQFP-64 package supports compact PCB designs, while features like power-saving sleep modes, on-chip debug (OCD) support, and multiple clock sources make it ideal for industrial control, consumer electronics, and automotive systems.
ATMEGA64A-AU 8-Bit Microcontroller Applications
The ATMEGA64A-AU is widely used in applications demanding reliability and flexibility:
● Industrial Automation: Controls motor drives, sensors, and HMI panels with precise timing and low power draw.
● Consumer Electronics: Powers smart appliances, gaming peripherals, and wearable devices with its compact footprint.
● Automotive Systems: Manages dashboard displays, lighting controls, and CAN bus interfaces in vehicles.
● IoT Devices: Serves as the core processor for battery-operated sensors and edge nodes due to its low power modes.
Alternative MCU Models
● PIC16F877A-I/P (Microchip): A 20MHz MCU with 8KB Flash, 368B RAM, and 33 I/Os, suitable for legacy systems and basic automation.
● MSP430G2553IPW14R (Texas Instruments): A 16-bit ultra-low-power MCU with 16KB Flash, 512B RAM, and 10-bit ADC, ideal for portable devices.
● N76E003AT20 (Nuvoton): An 8051-based MCU with 18KB Flash, 1KB RAM, and 32MHz speed, targeting high-speed data processing tasks.
