Template:mpu The CN3005-400 CP is a 64-bit single-core MIPS communication microprocessor (CP) designed by Cavium and introduced in 2005. This processor, which incorporates a single cnMIPS core, operates at 400 MHz and dissipates 3 Watts. This processors includes a number of hardware communication accelerators including units for high-performance packet I/O processing, QoS, and TCP acceleration.