The QP80C31BH is a microcontroller manufactured by Rochester Electronics. It is a classic 8-bit microcontroller based on the MCS-51 architecture. The device is widely used in embedded systems and control applications. As a product from Rochester Electronics, it is likely a remanufactured or continued production of a legacy component, ensuring availability for long-lifecycle applications.

Applications

• Industrial control systems.
• Embedded systems.
• Robotics.
• Automotive electronics.
• Consumer electronics.

Features

• 8-bit CPU with extensive instruction set.
• 4 KB on-chip ROM (Read-Only Memory).
• 128 bytes of on-chip RAM (Random-Access Memory).
• 32 programmable I/O lines.
• Two 16-bit timer/counters.
• Full-duplex UART (Universal Asynchronous Receiver/Transmitter).
• Six interrupt sources.

Benefits

• Simple and well-understood architecture.
• Large number of available software development tools.
• Robust and reliable operation.
• Wide range of applications.
• Continued availability from Rochester Electronics.

Additional Details

The QP80C31BH microcontroller is designed to be a versatile and reliable solution for a wide range of control applications. Its architecture is widely documented and supported by numerous development tools, making it easy to program and integrate into existing systems. The device has a ROM-based program memory and a limited amount of on-chip RAM, making it suitable for applications with moderate memory requirements. The integrated UART allows for serial communication with other devices. The timer/counters can be used for generating PWM signals or for timing events. The microcontroller's interrupt system allows for responsive control of external events. The fact that it is supplied by Rochester Electronics assures long-term availability, making it suitable for applications with extended product lifecycles.