Description
The ATMEGA328-AU is a high-performance, low-power 8-bit AVR RISC-based microcontroller featuring 32KB of in-system programmable (ISP) flash memory with read-while-write capabilities. Designed for versatility and efficiency, it features 23 general-purpose I/O lines, a 6-to-8 channel 10-bit A/D converter, and multiple communication interfaces including SPI, I2C, and UART. With its ability to execute powerful instructions in a single clock cycle, it achieves throughputs approaching 1 MIPS per MHz, making it a staple for a wide range of embedded control applications.
Key Features
- Advanced RISC Architecture: High-performance core optimized for throughput, achieving 1 MIPS per MHz.
- Versatile Memory: 32KB flash, 1KB EEPROM, and 2KB RAM for flexible program and data storage.
- Integrated Peripherals: Includes three flexible timer/counters, a 10-bit A/D converter, and a programmable watchdog timer.
- Ultra-Low Power: Features five software-selectable power-saving modes (Idle, Power-down, Standby, etc.) with power consumption as low as 0.1µA in power-down mode.
- Robust System Design: Equipped with power-on reset, programmable brown-out detection, and an internal calibrated oscillator.
- Flexible Connectivity: Supports standard serial communication interfaces including SPI, I2C, and UART.
Applications
- Consumer Electronics: Highly efficient controller for smart household appliances and integrated devices.
- Industrial Automation: Reliable core for embedded control, instrumentation, and sensor monitoring.
- Battery-Operated Systems: Low-power profile makes it ideal for portable instruments and handheld equipment.
- Robotics & Prototyping: The industry-standard choice for a wide variety of hobbyist and commercial embedded projects.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | ATMEGA328-AU |
| Brand | Microchip |
| Operating Frequency | Up to 20 MHz |
| Supply Voltage | 1.8V to 5.5V |
| Operating Temp | –40°C to +85°C |
| Package/Case | TQFP (32 Pins) |
Note: Product images are shown for illustrative purposes only and may differ from the actual product. Please refer to the official Microchip datasheet for complete electrical characteristics and application design details.
