The MD80C31BH is a microcontroller manufactured by Rochester Electronics. It is a member of the MCS-51 family of microcontrollers, known for their robust architecture and wide range of applications. As a static CMOS design, the MD80C31BH offers high performance with low power consumption, making it suitable for various embedded systems.

Applications

• Embedded control systems
• Industrial automation
• Consumer electronics
• Robotics
• Instrumentation and measurement devices

Features

• Fully static CMOS design for low power consumption
• 80C51 instruction set compatible
• 4K Bytes of on-chip ROM (MD80C31 version requires external program memory)
• 128 Bytes of on-chip RAM
• Two 16-bit timer/counters
• Full duplex UART
• Six interrupt sources
• Four 8-bit I/O ports
• Built-in oscillator and clock circuitry

Benefits

• Low Power Consumption: The static CMOS design minimizes power consumption, extending battery life in portable devices and reducing overall energy costs.
• High Performance: Delivers robust performance for demanding control applications.
• Versatile I/O: Four 8-bit I/O ports provide flexible interfacing options for sensors, actuators, and other peripherals.
• Timer/Counters: Two 16-bit timer/counters enable precise timing and control functions.
• UART for Serial Communication: The full-duplex UART facilitates easy serial communication with other devices.
• Simplified System Design: Integrated oscillator and clock circuitry reduces the need for external components, simplifying system design.

Additional Details

The MD80C31BH operates from a single power supply. It is available in various package options, including DIP and PLCC. The operating temperature range is typically from -40°C to +85°C, making it suitable for industrial environments. It uses a standard 8051 instruction set architecture, allowing for easy software development and compatibility with existing 8051 codebases. The microcontroller’s interrupt system allows for rapid response to external events, ensuring real-time performance in critical applications.