The TN87C51GB1 is an 8-bit microcontroller from the 8051 family, now manufactured by Rochester Electronics. This microcontroller is widely used in embedded systems for control and automation applications. It features a robust architecture, versatile peripherals, and a user-friendly instruction set. Due to its reliability and wide availability, it remains a popular choice for both legacy systems and new designs.

Applications

• Industrial control systems
• Consumer electronics
• Automotive electronics
• Robotics
• Instrumentation and measurement devices

Features

• 8-bit CPU with optimized instruction set
• 8 KB Flash memory
• 256 bytes of RAM
• 32 programmable I/O lines
• Two 16-bit timer/counters
• Full-duplex UART serial port
• Programmable watchdog timer
• Low-power idle and power-down modes

Benefits

• Versatile and reliable control
• Easy to program and debug
• Low power consumption
• Cost-effective solution
• Wide availability
• Suitable for both legacy and new designs

Additional Details

The TN87C51GB1 operates at a clock frequency up to 24 MHz, providing sufficient processing power for a wide range of applications. The 8 KB of Flash memory allows for easy program storage and updates. The 256 bytes of RAM provide sufficient memory for data storage and manipulation. The 32 programmable I/O lines can be configured for various digital input and output functions. The two 16-bit timer/counters enable precise timing and control operations. The full-duplex UART serial port facilitates communication with other devices. The programmable watchdog timer enhances system reliability by detecting and recovering from software errors. The low-power idle and power-down modes minimize power consumption in battery-powered applications. The microcontroller is typically packaged in a 40-pin PDIP or a 44-pin PLCC package for easy integration into circuit boards. The operating temperature range is typically from -40°C to +85°C, ensuring reliable performance in diverse environments.