Microchip Technology

AT89LP51RB2-20AU  

Microcontrollers

AT89LP51RB2-20AU Description

The AT89LP51RB2-20AU is a high-performance, 8-bit microcontroller from Microchip Technology, designed for a wide range of embedded applications. This microcontroller is part of the 89LP series and features a robust 8051 core processor, capable of operating at a maximum speed of 20MHz. It is equipped with 24KB of FLASH program memory and 1.375K x 8 bytes of RAM, providing ample storage for complex applications. The AT89LP51RB2-20AU operates within a supply voltage range of 2.4V to 5.5V, making it suitable for both low-power and standard voltage applications.

This microcontroller is housed in a 44-pin TQFP package, ideal for surface mount applications. It includes an internal oscillator and offers a variety of connectivity options, such as EBI/EMI, I2C, SPI, and UART/USART interfaces. The device also features seven 10-bit A/D converters, enhancing its data acquisition capabilities. With a moisture sensitivity level (MSL) of 3 (168 hours), the AT89LP51RB2-20AU is well-suited for environments with varying humidity levels.

AT89LP51RB2-20AU Features

• Core Processor: 8051 core, ensuring compatibility with a wide range of existing 8051-based applications.
• Program Memory: 24KB FLASH memory, offering flexibility for code storage and updates.
• RAM Size: 1.375K x 8 bytes, providing sufficient temporary storage for data processing.
• Speed: 20MHz maximum operating frequency, enabling fast execution of complex tasks.
• Voltage Range: 2.4V to 5.5V, supporting a variety of power supply options.
• Connectivity: EBI/EMI, I2C, SPI, and UART/USART interfaces, facilitating communication with various peripherals.
• Data Converters: Seven 10-bit A/D converters, enhancing precision in analog-to-digital signal conversion.
• I/O Pins: 40 I/O pins, providing extensive connectivity options for peripherals and sensors.
• Package: 44-pin TQFP, suitable for surface mount technology and compact designs.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance.

AT89LP51RB2-20AU Applications

The AT89LP51RB2-20AU is ideal for a variety of applications due to its robust feature set and flexibility. Some specific use cases include:

• Industrial Automation: The microcontroller's extensive I/O capabilities and connectivity options make it suitable for controlling and monitoring industrial processes.
• Consumer Electronics: Its low power consumption and compact design make it ideal for portable devices and home appliances.
• Automotive Systems: The robustness and reliability of the AT89LP51RB2-20AU make it suitable for automotive applications, such as engine control units and infotainment systems.
• Medical Devices: The microcontroller's precision A/D converters and reliable operation make it suitable for medical monitoring devices and diagnostic equipment.
• Smart Metering: The device's low power consumption and extensive connectivity options make it ideal for smart metering applications, where accurate data acquisition and communication are crucial.

Conclusion of AT89LP51RB2-20AU

The AT89LP51RB2-20AU from Microchip Technology is a versatile and powerful 8-bit microcontroller, offering a comprehensive set of features and capabilities. Its robust 8051 core, extensive memory options, and wide range of connectivity interfaces make it suitable for a variety of embedded applications. The device's compliance with environmental and regulatory standards, along with its low power consumption and compact design, further enhance its appeal. Whether used in industrial automation, consumer electronics, automotive systems, medical devices, or smart metering, the AT89LP51RB2-20AU provides reliable performance and flexibility, making it a standout choice in the embedded IC chips market.

AT89LP51RB2-20AU Documents

Download datasheets and manufacturer documentation for AT89LP51RB2-20AU

PCN Assembly/Origin :

Assembly 03/Aug/2020      

Datasheets :

AT89LP51RB2,RC2,IC2 Datasheet       AT89LP51RB2,RC2,IC2 Summary      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

Design Resources :

AT89LP51RB2 Development Tool Selector      

PCN Design/Specification :

Marking Chgs 11/Jul/2017       Copper Bonding Wire 17/Oct/2013      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH