P89C51RC2BA, 8-bit Microcontroller, 44-PLCC

The P89C51RC2BA is a high-performance 8-bit microcontroller from Philips (now NXP), built on the MCS-51 architecture with 32KB of ISP/IAP Flash memory and 512 bytes of RAM. Designed for embedded control applications, it allows remote firmware updates via In-System Programming (ISP) or self-programming via In-Application Programming (IAP).

Operating at speeds up to 33MHz, this microcontroller is optimized for high-speed applications, supporting both 6-clock and 12-clock modes for increased flexibility. It integrates three 16-bit timers, an enhanced UART, SPI/I²C interfaces, and 32 I/O pins, making it ideal for industrial automation, motor control, IoT devices, and smart appliances.

Additional features such as Idle Mode, Power-Down Mode, and Watchdog Timer enhance reliability in battery-powered and low-power applications. The microcontroller is available in a DIP-40 package, ensuring easy integration into existing circuit designs.

• Enhanced 8051-Compatible Architecture: Fully supports the MCS-51 instruction set while offering enhanced performance and speed.
• 32KB In-System Programmable (ISP) Flash Memory: Supports In-Application Programming (IAP), allowing for firmware updates without external programming.
• High-Speed Performance: Operates at up to 33MHz, supporting both 6-clock and 12-clock per cycle operation.
• 512 Bytes of RAM: Offers sufficient internal memory for real-time processing and embedded applications.
• Power Management Options: Supports Idle Mode and Power-Down Mode for energy efficiency.
• Compact PLCC-44 Package: Designed for surface-mount applications, offering a higher pin density while maintaining a compact footprint.