The DS80C390-FCR from Maxim Integrated is a high-performance, 8-bit microcontroller that is a part of the 8051 family. This microcontroller is designed to cater to the demanding needs of embedded control applications. It features a quadruple clock rate core, allowing the DS80C390-FCR to achieve four times the throughput of a conventional 8051 at the same clock frequency.

Key Features

• High-Speed Processing: The quadruple clock rate core enables the DS80C390-FCR to execute instructions up to 4 times faster than standard 8051 microcontrollers, significantly increasing performance.
• Expanded Memory: It supports up to 16MB of linear program memory and up to 16MB of linear data memory, providing ample space for complex applications.
• Dual Data Pointers: With dual data pointers, this microcontroller is optimized for efficient data movement, which is especially beneficial for buffer management in data-intensive operations.
• Flexible Interrupts: The DS80C390-FCR offers 7 interrupt sources with four priority levels, giving developers the flexibility to manage a variety of interrupt-driven events.
• Integrated Watchdog Timer: The built-in watchdog timer ensures reliable operation by resetting the system in the event of a software anomaly or malfunction.

Connectivity and Compatibility

The microcontroller is equipped with a full-duplex serial port, facilitating easy communication with peripheral devices and other microcontrollers. Additionally, its instruction set is fully compatible with the MCS-51 family, ensuring a smooth transition for projects upgrading from other 8051-based devices.

Applications

The DS80C390-FCR is versatile and can be used in a wide range of applications, including industrial control systems, telecommunications, automotive systems, and any application that requires high-speed data processing and a high level of integration.

Package and Availability

This microcontroller is available in a robust 80-pin QFP (Quad Flat Package) that ensures a compact footprint while providing enough pins for extensive input/output (I/O) capabilities. The DS80C390-FCR is designed for reliability and is a suitable choice for mission-critical applications where performance and dependability are paramount.