The ATMEGA325-16AU is a microcontroller unit (MCU) produced by Microchip Technology. It is part of the ATmega family of 8-bit AVR microcontrollers, which are widely used in various embedded systems and applications.
Description:
The ATMEGA325-16AU is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. It features 32 KB of In-System Programmable Flash memory, 2 KB of In-System Programmable SRAM, and 1 KB of In-System Programmable EEPROM. The device operates at a frequency of 16 MHz and has a wide operating voltage range of 1.8-5.5 V.
Features:
- 32 KB of In-System Programmable Flash memory for storing program code
- 2 KB of In-System Programmable SRAM for data storage
- 1 KB of In-System Programmable EEPROM for non-volatile data storage
- 44 general-purpose I/O lines
- 32 general-purpose working registers
- Nested interrupt controller with 16 levels of interrupt priority
- On-chip debug system with JTAG and Serial Wire Debug (SWD) interfaces
- Internal and external interrupts
- Three 16-bit timer/counters with input capture and compare modes
- Eight-channel 10-bit Analog-to-Digital Converter (ADC)
- Two USARTs for serial communication
- SPI and TWI interfaces for communication with external devices
- Power-saving features, including system clock frequency scaling, power reduction mode, and sleep modes
Applications:
The ATMEGA325-16AU is suitable for a wide range of applications due to its versatile features and low-power consumption. Some common applications include:
- Industrial control systems
- Home automation and smart home devices
- Medical equipment and monitoring devices
- Portable electronic devices, such as fitness trackers and wearable electronics
- Automotive control systems, such as engine management and infotainment systems
- Robotics and automation systems
- Data acquisition and signal processing systems
- Consumer electronics, such as appliances and audio/video equipment
- IoT devices and wireless communication systems
- Battery-powered devices, where low power consumption is critical
The ATMEGA325-16AU's combination of memory, I/O capabilities, and power-saving features make it a popular choice for a variety of embedded systems and applications.