The ATMEGA323L-4AC is a high-performance, low-power Microchip picoPower® 8-bit AVR® RISC-based microcontroller. Combining 32KB ISP flash memory with read-while-write capabilities, 1KB EEPROM, 2KB SRAM, 32 general purpose I/O lines, 32 general purpose working registers, a JTAG interface for Boundary-scan, On-chip Debugging support and programming, and five software selectable power saving modes, the ATMEGA323L-4AC is optimized for industrial control systems, medical devices, automotive applications, and many other embedded systems.

Key Features

• Advanced RISC Architecture – With 131 powerful instructions, most of which are executed in a single clock cycle, the ATMEGA323L-4AC achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.
• High Endurance Non-volatile Memory Segments – The device comes with 32KB of in-system self-programmable flash, 1KB EEPROM, and 2KB internal SRAM, supporting numerous read/write cycles and ensuring data retention over extensive periods.
• JTAG (IEEE std. 1149.1 Compliant) Interface – Enables on-chip debugging and programming for enhanced development productivity.
• Peripheral Features – Includes two 8-bit timer/counters with separate prescaler and compare mode, two expanded 16-bit timer/counters with separate prescaler, compare mode and capture mode, real-time counter with separate oscillator, four PWM channels, and six sleep modes.
• Power Efficiency – The picoPower technology allows the ATMEGA323L-4AC to operate at a voltage range of 2.7-5.5V, ensuring low power consumption during operation and in power-down modes.
• Comprehensive I/O Support – Boasts 32 programmable I/O lines that can be used for a wide range of functions and are especially useful for interfacing with external hardware.

Applications

The ATMEGA323L-4AC is versatile and can be used in a variety of applications, including:

• Industrial Control Systems
• Automotive Systems
• Medical Monitoring Devices
• Consumer Electronics
• Home Automation
• Internet of Things (IoT) Devices

With its rich feature set and low power consumption, the ATMEGA323L-4AC from Microchip Technology is an excellent choice for designers looking for a robust microcontroller with flexible programming and precise control capabilities.