The DS80C390-FCR+ is a high-performance, 8-bit microcontroller from Maxim Integrated designed for demanding embedded systems applications. This powerful microcontroller features a quad-pipelined, 8051-compatible microprocessor core that can execute instructions up to four times faster than a standard 8051 at the same clock frequency. It is an excellent choice for industrial control systems, telecommunications, and any application requiring high-speed data processing and real-time control.

Key Features

• High-Speed Processing: The quad-pipelined architecture allows for instruction execution speeds of up to 100 MIPS (million instructions per second) at a 25 MHz clock rate, providing the high performance required for complex tasks.
• Expanded Memory: With support for up to 16 MB of linear program memory and 16 MB of linear data memory, the DS80C390-FCR+ can handle large applications with ease.
• Enhanced Communication Capabilities: Equipped with dual full-duplex serial ports, this microcontroller can manage multiple communication protocols simultaneously, making it ideal for networked systems.
• Flexible I/O Options: The device includes 32 I/O ports, providing ample connectivity for various peripherals and enabling versatile system designs.
• Robust Interrupt Handling: With 21 interrupt sources and 4 priority levels, the DS80C390-FCR+ ensures responsive and reliable operation in systems with multiple interrupt-driven tasks.

Technical Specifications

• Core: 8051-compatible, quad-pipelined
• Frequency: Up to 25 MHz
• Memory: Up to 16 MB (linear)
• Serial Ports: 2 full-duplex
• I/O Ports: 32
• Package: 80-pin QFP (Quad Flat Package)
• Operating Temperature: -40°C to +85°C

The DS80C390-FCR+ is designed with reliability in mind, featuring a built-in watchdog timer and power-fail reset to maintain system integrity. Its extended temperature range ensures performance in harsh environments, making it a dependable choice for industrial and outdoor applications. Whether you're upgrading existing systems or designing new solutions, the DS80C390-FCR+ provides a blend of speed, flexibility, and robustness to meet the challenges of today's complex embedded systems.