The MPC860SRZQ50D4 is a PowerPC? architecture-based quad integrated communications controller (PowerQUICC?). The CPU on the MPC860SRZQ50D4 is the MPC8xx core, a 32-bit microprocessor that implements the PowerPC architecture, incorporating memory management units (MMUs) and instruction and data caches. The MPC860SRZQ50D4 PowerQUICC? offers an integrated processor and peripheral solution that can be used in a variety of communications and networking controller applications.