AT89C51RC-24PU Microcontroller: Features, Specifications & Applications | Microchip 8051 MCU 2024-11-14 Explore the AT89C51RC-24PU - a high-performance 8-bit microcontroller from Microchip with 32KB Flash, 24MHz speed, 32 I/O pins, and industrial-grade reliability. Ideal for embedded systems.