The Maxim Integrated DS87C520-QNL+ is a high-performance, quick-pulse 8051-compatible microcontroller designed to tackle demanding embedded system applications. This microcontroller stands out with its robust feature set and enhancements that improve speed, reduce power consumption, and provide greater flexibility than traditional 8051 microcontroller units (MCUs).

Key Features

• High-Speed Architecture: The DS87C520-QNL+ operates at up to 33 MHz, significantly surpassing the speed of a standard 8051 MCU, which typically runs at 12 MHz. This speed enhancement allows for quicker data processing and improved overall performance.
• Low Power Consumption: With its power-saving modes, including idle and power-down features, the DS87C520-QNL+ is optimized for battery-powered and power-sensitive applications, ensuring efficient energy use while maintaining performance.
• Expanded Memory: This microcontroller offers 16KB of on-chip static RAM and 64KB of EPROM, providing ample space for complex programs and data storage without the need for external memory components.
• Dual Data Pointer: To speed up data movement operations, the DS87C520-QNL+ includes a dual data pointer, which is beneficial for adjusting and processing large data blocks.
• Watchdog Timer: A dedicated watchdog timer helps prevent system failures by resetting the system in the event of a software anomaly or malfunction, enhancing the reliability of applications.

Applications

The DS87C520-QNL+ is particularly well-suited for applications requiring high-speed data processing and efficient power management. It is ideal for industrial control systems, telecommunications, automotive systems, and any other embedded systems that demand a high level of reliability and performance.

Package and Quality

This microcontroller comes in a 44-pin PLCC (Plastic Leaded Chip Carrier) package, which is known for its compact form factor and durability. The DS87C520-QNL+ is also part of Maxim Integrated's commitment to high-quality standards, ensuring a reliable and consistent performance for the most critical applications.

With its advanced features and capabilities, the Maxim Integrated DS87C520-QNL+ is a versatile and powerful solution for designers looking to push the boundaries of what's possible with 8051-based microcontrollers.