The AT89LP428-20PU is a high-performance, low-power microcontroller from Microchip Technology, designed to offer an optimal solution for a wide range of embedded applications. This microcontroller is part of the AT89LP family that is known for its advanced features and capabilities which make it a perfect choice for projects requiring a balance between power efficiency and processing power.

Key Features

• Core: The AT89LP428-20PU is built around a powerful 8-bit microcontroller core that operates at a maximum frequency of 20MHz, providing quick and efficient data processing capabilities suitable for a variety of tasks.
• Memory: It comes equipped with 4KB of Flash memory, which is ideal for storing your application code, and 256 bytes of RAM for data storage during operation.
• I/O Pins: The device features 28 programmable input/output pins, allowing for versatile connectivity and interface options with other components in your system.
• Power Efficiency: Designed with power-saving technology, the AT89LP428-20PU supports a wide voltage range from 2.7V to 5.5V, making it an excellent choice for battery-operated devices.
• Peripherals: This microcontroller is equipped with an array of built-in peripherals, including a 10-bit Analog-to-Digital Converter (ADC), PWM channels, and serial communication interfaces like UART for robust data exchange.
• In-System Programming: The AT89LP428-20PU supports in-system programming through its SPI interface, allowing for easy updates and modifications to the application code without the need for additional programming hardware.

Applications

The versatility of the AT89LP428-20PU makes it suitable for an array of applications, including but not limited to industrial control systems, consumer electronics, home automation, and IoT devices. Its robust feature set ensures that designers can implement complex functionalities while maintaining low power consumption.

Package Information

The microcontroller is available in a 40-pin PDIP (Plastic Dual In-line Package) form factor, which is ideal for prototyping and can be easily integrated into both through-hole and surface-mounted PCB designs.

Conclusion

With its combination of performance, power efficiency, and rich peripheral set, the Microchip Technology AT89LP428-20PU stands as a compelling choice for developers who require a reliable and versatile microcontroller for their next project.